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Coupled intra- and interdomain dynamics support domain cross-talk in Pin1 [Signal Transduction]

The functional mechanisms of multidomain proteins often exploit interdomain interactions, or “cross-talk.” An example is human Pin1, an essential mitotic regulator consisting of a Trp–Trp (WW) domain flexibly tethered to a peptidyl-prolyl isomerase (PPIase) domain, resulting in interdomain interactions important for Pin1 function. Substrate binding to the WW domain alters its transient contacts with the PPIase domain via means that are only partially understood. Accordingly, we have investigated Pin1 interdomain interactions using NMR paramagnetic relaxation enhancement (PRE) and molecular dynamics (MD) simulations. The PREs show that apo-Pin1 samples interdomain contacts beyond the range suggested by previous structural studies. They further show that substrate binding to the WW domain simultaneously alters interdomain separation and the internal conformation of the WW domain. A 4.5-μs all-atom MD simulation of apo-Pin1 suggests that the fluctuations of interdomain distances are correlated with fluctuations of WW domain interresidue contacts involved in substrate binding. Thus, the interdomain/WW domain conformations sampled by apo-Pin1 may already include a range of conformations appropriate for binding Pin1's numerous substrates. The proposed coupling between intra-/interdomain conformational fluctuations is a consequence of the dynamic modular architecture of Pin1. Such modular architecture is common among cell-cycle proteins; thus, the WW–PPIase domain cross-talk mechanisms of Pin1 may be relevant for their mechanisms as well.




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Biochemical and biophysical analyses of hypoxia sensing prolyl hydroxylases from Dictyostelium discoideum and Toxoplasma gondii [Molecular Biophysics]

In animals, the response to chronic hypoxia is mediated by prolyl hydroxylases (PHDs) that regulate the levels of hypoxia-inducible transcription factor α (HIFα). PHD homologues exist in other types of eukaryotes and prokaryotes where they act on non HIF substrates. To gain insight into the factors underlying different PHD substrates and properties, we carried out biochemical and biophysical studies on PHD homologues from the cellular slime mold, Dictyostelium discoideum, and the protozoan parasite, Toxoplasma gondii, both lacking HIF. The respective prolyl-hydroxylases (DdPhyA and TgPhyA) catalyze prolyl-hydroxylation of S-phase kinase-associated protein 1 (Skp1), a reaction enabling adaptation to different dioxygen availability. Assays with full-length Skp1 substrates reveal substantial differences in the kinetic properties of DdPhyA and TgPhyA, both with respect to each other and compared with human PHD2; consistent with cellular studies, TgPhyA is more active at low dioxygen concentrations than DdPhyA. TgSkp1 is a DdPhyA substrate and DdSkp1 is a TgPhyA substrate. No cross-reactivity was detected between DdPhyA/TgPhyA substrates and human PHD2. The human Skp1 E147P variant is a DdPhyA and TgPhyA substrate, suggesting some retention of ancestral interactions. Crystallographic analysis of DdPhyA enables comparisons with homologues from humans, Trichoplax adhaerens, and prokaryotes, informing on differences in mobile elements involved in substrate binding and catalysis. In DdPhyA, two mobile loops that enclose substrates in the PHDs are conserved, but the C-terminal helix of the PHDs is strikingly absent. The combined results support the proposal that PHD homologues have evolved kinetic and structural features suited to their specific sensing roles.




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The HRDC domain oppositely modulates the unwinding activity of E. coli RecQ helicase on duplex DNA and G-quadruplex [Enzymology]

RecQ family helicases are highly conserved from bacteria to humans and have essential roles in maintaining genome stability. Mutations in three human RecQ helicases cause severe diseases with the main features of premature aging and cancer predisposition. Most RecQ helicases shared a conserved domain arrangement which comprises a helicase core, an RecQ C-terminal domain, and an auxiliary element helicase and RNaseD C-terminal (HRDC) domain, the functions of which are poorly understood. In this study, we systematically characterized the roles of the HRDC domain in E. coli RecQ in various DNA transactions by single-molecule FRET. We found that RecQ repetitively unwinds the 3'-partial duplex and fork DNA with a moderate processivity and periodically patrols on the ssDNA in the 5'-partial duplex by translocation. The HRDC domain significantly suppresses RecQ activities in the above transactions. In sharp contrast, the HRDC domain is essential for the deep and long-time unfolding of the G4 DNA structure by RecQ. Based on the observations that the HRDC domain dynamically switches between RecA core- and ssDNA-binding modes after RecQ association with DNA, we proposed a model to explain the modulation mechanism of the HRDC domain. Our findings not only provide new insights into the activities of RecQ on different substrates but also highlight the novel functions of the HRDC domain in DNA metabolisms.




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Novel fluorescent GPCR biosensor detects retinal equilibrium binding to opsin and active G protein and arrestin signaling conformations [Molecular Biophysics]

Rhodopsin is a canonical class A photosensitive G protein–coupled receptor (GPCR), yet relatively few pharmaceutical agents targeting this visual receptor have been identified, in part due to the unique characteristics of its light-sensitive, covalently bound retinal ligands. Rhodopsin becomes activated when light isomerizes 11-cis-retinal into an agonist, all-trans-retinal (ATR), which enables the receptor to activate its G protein. We have previously demonstrated that, despite being covalently bound, ATR can display properties of equilibrium binding, yet how this is accomplished is unknown. Here, we describe a new approach for both identifying compounds that can activate and attenuate rhodopsin and testing the hypothesis that opsin binds retinal in equilibrium. Our method uses opsin-based fluorescent sensors, which directly report the formation of active receptor conformations by detecting the binding of G protein or arrestin fragments that have been fused onto the receptor's C terminus. We show that these biosensors can be used to monitor equilibrium binding of the agonist, ATR, as well as the noncovalent binding of β-ionone, an antagonist for G protein activation. Finally, we use these novel biosensors to observe ATR release from an activated, unlabeled receptor and its subsequent transfer to the sensor in real time. Taken together, these data support the retinal equilibrium binding hypothesis. The approach we describe should prove directly translatable to other GPCRs, providing a new tool for ligand discovery and mutant characterization.




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Mapping invisible epitopes by NMR spectroscopy [Molecular Biophysics]

Defining discontinuous antigenic epitopes remains a substantial challenge, as exemplified by the case of lipid transfer polyproteins, which are common pollen allergens. Hydrogen/deuterium exchange monitored by NMR can be used to map epitopes onto folded protein surfaces, but only if the complex rapidly dissociates. Modifying the standard NMR-exchange measurement to detect substoichiometric complexes overcomes this time scale limitation and provides new insights into recognition of lipid transfer polyprotein by antibodies. In the future, this new and exciting development should see broad application to a range of tight macromolecular interactions.




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Identification of compounds that bind the centriolar protein SAS-6 and inhibit its oligomerization [Computational Biology]

Centrioles are key eukaryotic organelles that are responsible for the formation of cilia and flagella, and for organizing the microtubule network and the mitotic spindle in animals. Centriole assembly requires oligomerization of the essential protein spindle assembly abnormal 6 (SAS-6), which forms a structural scaffold templating the organization of further organelle components. A dimerization interaction between SAS-6 N-terminal “head” domains was previously shown to be essential for protein oligomerization in vitro and for function in centriole assembly. Here, we developed a pharmacophore model allowing us to assemble a library of low-molecular-weight ligands predicted to bind the SAS-6 head domain and inhibit protein oligomerization. We demonstrate using NMR spectroscopy that a ligand from this family binds at the head domain dimerization site of algae, nematode, and human SAS-6 variants, but also that another ligand specifically recognizes human SAS-6. Atomistic molecular dynamics simulations starting from SAS-6 head domain crystallographic structures, including that of the human head domain which we now resolve, suggest that ligand specificity derives from favorable Van der Waals interactions with a hydrophobic cavity at the dimerization site.




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Co-crystal structures of HIV TAR RNA bound to lab-evolved proteins show key roles for arginine relevant to the design of cyclic peptide TAR inhibitors [Molecular Biophysics]

RNA-protein interfaces control key replication events during the HIV-1 life cycle. The viral trans-activator of transcription (Tat) protein uses an archetypal arginine-rich motif (ARM) to recruit the host positive transcription elongation factor b (pTEFb) complex onto the viral trans-activation response (TAR) RNA, leading to activation of HIV transcription. Efforts to block this interaction have stimulated production of biologics designed to disrupt this essential RNA-protein interface. Here, we present four co-crystal structures of lab-evolved TAR-binding proteins (TBPs) in complex with HIV-1 TAR. Our results reveal that high-affinity binding requires a distinct sequence and spacing of arginines within a specific β2-β3 hairpin loop that arose during selection. Although loops with as many as five arginines were analyzed, only three arginines could bind simultaneously with major-groove guanines. Amino acids that promote backbone interactions within the β2-β3 loop were also observed to be important for high-affinity interactions. Based on structural and affinity analyses, we designed two cyclic peptide mimics of the TAR-binding β2-β3 loop sequences present in two high-affinity TBPs (KD values of 4.2 ± 0.3 and 3.0 ± 0.3 nm). Our efforts yielded low-molecular weight compounds that bind TAR with low micromolar affinity (KD values ranging from 3.6 to 22 μm). Significantly, one cyclic compound within this series blocked binding of the Tat-ARM peptide to TAR in solution assays, whereas its linear counterpart did not. Overall, this work provides insight into protein-mediated TAR recognition and lays the ground for the development of cyclic peptide inhibitors of a vital HIV-1 RNA-protein interaction.




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Shared requirements for key residues in the antibiotic resistance enzymes ErmC and ErmE suggest a common mode of RNA recognition [Enzymology]

Erythromycin-resistance methyltransferases are SAM dependent Rossmann fold methyltransferases that convert A2058 of 23S rRNA to m6 2A2058. This modification sterically blocks binding of several classes of antibiotics to 23S rRNA, resulting in a multidrug-resistant phenotype in bacteria expressing the enzyme. ErmC is an erythromycin resistance methyltransferase found in many Gram-positive pathogens, whereas ErmE is found in the soil bacterium that biosynthesizes erythromycin. Whether ErmC and ErmE, which possess only 24% sequence identity, use similar structural elements for rRNA substrate recognition and positioning is not known. To investigate this question, we used structural data from related proteins to guide site-saturation mutagenesis of key residues and characterized selected variants by antibiotic susceptibility testing, single turnover kinetics, and RNA affinity–binding assays. We demonstrate that residues in α4, α5, and the α5-α6 linker are essential for methyltransferase function, including an aromatic residue on α4 that likely forms stacking interactions with the substrate adenosine and basic residues in α5 and the α5-α6 linker that likely mediate conformational rearrangements in the protein and cognate rRNA upon interaction. The functional studies led us to a new structural model for the ErmC or ErmE-rRNA complex.




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The Gonchar–Chudnovskies conjecture and a functional analogue of the Thue–Siegel–Roth theorem

A. I. Aptekarev and M. L. Yattselev
Trans. Moscow Math. Soc. 83 (), 251-268.
Abstract, references and article information







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Minerals and Metals for a Low-Carbon Future: Implications for Developing Countries

Minerals and Metals for a Low-Carbon Future: Implications for Developing Countries 30 October 2017 — 5:00PM TO 8:00PM Anonymous (not verified) 13 October 2017 Chatham House, London

This roundtable will explore two sides of minerals and metals for a low-carbon future - the growing demand for metals required for low-carbon technology and the technological and policy innovations that will be required to manage the carbon footprint of the mining sector and its wider energy and industrial linkages. Based around a presentation and scenarios developed by the World Bank, this roundtable discussion will assess which strategic metals will likely rise in demand in order to deliver a low-carbon future, before exploring the possible implications for resource-rich developing countries. In particular, what does a growing demand of minerals for a clean energy future mean for governments and industry, and how might developing countries benefit from this trend? What impact might growth of the mining sector have on a sustainable and climate-smart development? Can renewable energy and other clean tech innovations in the mining industry help reduce the carbon footprint of the sector and related industries, and under what circumstances? And how fit-for-purpose are current donor approaches to the mining sector in an increasingly carbon-constrained world?

Attendance at this event is by invitation only.




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Mining and the Circular Economy: Implications for the Minerals and Metals Industries

Mining and the Circular Economy: Implications for the Minerals and Metals Industries 6 November 2017 — 4:00PM TO 5:30PM Anonymous (not verified) 31 October 2017 Chatham House, London

The concept of the circular economy has climbed up the international agenda, promoted by China, the EU, and other major metals and minerals producers and consumers. International policy processes including the G7 and G20 have reaffirmed these commitments and have increasingly issued policy guidance on resource efficiency. Many of the core elements of the circular economy are familiar – including enhanced resource efficiency, recycling and the development of ‘secondary markets’. Others require new thinking, from the development of smart designs and systems that ensure ‘circularity’, to the creation of new business models and partnerships that aim to preserve the long-term value of metals and minerals.
At this roundtable, Professor Paul Ekins will discuss the implications of the transition from a linear system of production-use-disposal, to a more circular economy. Looking at current trends, to what extent is a ‘decoupling’ of metal and mineral resources and economic growth underway in OECD and developing economies? Across the value chain, which actors are leading the way in resource efficiency and circular economy approaches? And what are the potential implications for primary demand and for the mining and metals industries and major mining economies?
Attendance at this event is by invitation only.




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Realizing the Potential of Extractives for Industrial and Economic Development

Realizing the Potential of Extractives for Industrial and Economic Development 18 October 2018 — 5:30PM TO 7:00PM Anonymous (not verified) 3 October 2018 Chatham House | 10 St James's Square | London | SW1Y 4LE

Over the past two decades, the extractives industries have risen in importance for many low- and middle- income countries their prospects for economic development and poverty reduction. During a period of rising commodities prices, the development of extractives became increasingly attractive to both governments and companies. There was - and remains - much discussion about their potential to support inclusive development.

However, there are also risks and uncertainties associated with the extractives industries and many things can, and do, go wrong. Fluctuations in commodity prices can be hard to manage and can lead to considerable fiscal pressures. In the longer-term, climate change and the various policy responses to this, will profoundly affect the extractives sector as renewables replace fossil fuels in the global energy mix.

Managing the extractives sectors will therefore remain highly challenging especially in low-income countries where institutions are often weak. This roundtable will bring together some of the foremost academics and practitioners working in the extractives industries and also in economic development to discuss a major new UNU-WIDER study Extractive Industries: The Management of Resources as a Driver of Sustainable Development.

Attendance at this event is by invitation only.




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The Electric Vehicle Revolution: Impacts on Oil Economies and Industry

The Electric Vehicle Revolution: Impacts on Oil Economies and Industry 24 January 2019 — 8:15AM TO 9:45AM Anonymous (not verified) 3 December 2018 Chatham House | 10 St James's Square | London | SW1Y 4LE

Electric vehicle (EV) deployment is gathering pace: the Norwegian government thinks that EV subsidies will be unnecessary by 2025 as they reach parity with diesel and petrol vehicles.

China has stipulated that EVs comprise 12 per cent of vehicle sales by 2020 while more governments are committing to banning diesel and petrol vehicles.

These developments are expected to be replicated as urban air pollution rises up the political agenda while technological developments and falling costs have given rise to ambitious forecasts on the increase in the deployment of EVs and the demise of the internal combustion engine.

Considering this, the presentations and initial discussion focus on:

  • The influence of new technologies on the automotive landscape, including autonomous vehicles.
  • How the automotive and oil companies are adjusting their business models to accommodate and encourage the rise in EVs.
  • The risks and opportunities for the deployment of EVs for incumbents and new market actors.
  • The role of government for example in public procurement and infrastructure development.
  • The potential for modal shift and its impact on oil demand.

The discussion then seeks to explore the need for benchmarks of change including data and metrics to understand the changing risk landscape and the implications for different actors.

Finally, the discussion focuses on the speed of transformation and what this means for existing and new market actors.




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The EU’s Un-Common Agricultural Policy

The EU’s Un-Common Agricultural Policy 21 October 2019 — 8:30AM TO 10:00AM Anonymous (not verified) 27 September 2019 Chatham House | 10 St James's Square | London | SW1Y 4LE

Despite its name, the EU’s Common Agricultural Policy (CAP) provides support to the agricultural sector that varies widely between the 27 member states. The OECD calculates the extent of this support at the EU level but members have blocked the organization calculating support levels for individual EU members. Overall, the EU’s producer support is equivalent to 20 per cent of farm income which is well-above the levels seen in the US at 12.2 per cent and China at 14.3 per cent.
This roundtable will discuss the first estimates of support levels by EU countries produced by Ian Mitchell from the Center for Global Development. It will look at both direct subsidies under the CAP and those that inflate market prices. The discussion will consider the implications for EU finance, for the potential role of EU subsidy reform and for the UK’s options after Brexit.
Attendance at this event is by invitation only.




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Sino-Russian Gas Cooperation: Power of Siberia I and II and Implications for Global LNG Supplies

Sino-Russian Gas Cooperation: Power of Siberia I and II and Implications for Global LNG Supplies 27 November 2019 — 8:30AM TO 9:30AM Anonymous (not verified) 19 November 2019 Chatham House | 10 St James's Square | London | SW1Y 4LE

In a new event in the Sustainable Transitions series, the speaker will present an update of Sino-Russian gas cooperation.

To give a comprehensive account of their impact on global liquefied natural gas (LNG) supplies, he will discuss the following points:

  • Gas is scheduled to start flowing from the Power of Siberia I (POS) on 2 December 2019. But what is the background of development of POS 1 and what is its current status and prospects?
  • What are the chances of exporting gas through the proposed Altai pipeline? Why is the Mongolia export route so significant? And how will it affect the Central Asian Republics and in particular Turkmenistan’s gas export to China?
  • What are the implications of both POS I and Altai gas via Mongolia route in the context of global LNG supply?
  • What are the prospects for multilateral pipeline gas cooperation in northeast Asia?
  • What are the implications for other Arctic onshore LNG supply, in particular, for Novatek’s Yamal LNG and Arctic LNG 1 and 2 to China on top of POS 1 and Altai gas?

Attendance at this event is by invitation only.




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What's next for environmental peacebuilding? Lessons learned and opportunities from conflict-affected states

What's next for environmental peacebuilding? Lessons learned and opportunities from conflict-affected states 17 February 2021 — 3:00PM TO 4:00PM Anonymous (not verified) 8 February 2021 Online

 This event explores lessons and opportunities from conflict-affected states.

In the field of peacebuilding, scholars and policymakers increasingly recognize the importance of environmental restoration, afforestation and infrastructural renewal for creating the sustainable livelihoods necessary for successful peacebuilding efforts.

Featuring academics writing for International Affairs on environmental peacebuilding in Colombia, Yemen and the Sahel, this webinar discusses the policy implications of the turn to environmental peacebuilding.

This event is part of the Chatham House’s Environment and Society Discussion Series in which the Energy Environment and Resources Programme brings together leading academics and policymakers to discuss key issues in environmental policy.

In particular, this event focuses on the role of environmental peacebuilding in creating sustainable livelihoods. From the impact the destruction of infrastructure can have on poverty as a driver of conflict, to the role environmental peacebuilding can play in bringing communities together by creating sustainable shared spaces of employment, the importance of the environmental livelihood creation is difficult to overstate.

Panellists focus on how policymakers can best encourage inclusive and sustainable livelihood creation and on addressing the key challenges such approaches face in the context of environmental peacebuilding efforts.




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COVID-19 and food security in southern Africa

COVID-19 and food security in southern Africa 16 July 2021 — 10:00AM TO 11:30AM Anonymous (not verified) 10 June 2021 Online

This event aims to take a deeper look at the interlinking issues of food security, nutrition, climate change and food systems in southern Africa.

Developing climate smart agri-food systems in sub-Saharan Africa is a precondition for achieving the Sustainable Development Goals. Over the years household food security has been affected by different shocks including climate change and the recent COVID-19 pandemic.

The impact on rural households in southern Africa, in particular, has been significant due to the structure of food systems in the region.

This event aims to take a deeper look at the interlinking issues of food security, nutrition, climate change and food systems in southern Africa and consider how practitioners and policymakers can build more equitable, resilient and better food systems. 




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Climate finance and conflict dynamics on the road to COP27

Climate finance and conflict dynamics on the road to COP27 21 September 2022 — 1:00PM TO 2:00PM Anonymous (not verified) 9 September 2022 Online

Stakeholders discuss the role of conflict and conflict sensitivity in climate finance and action.

With climate change, fragility and conflict challenges worsening, the role of international climate finance is more urgent than ever.

From the implementation of climate finance and who it reaches to the rush for renewable energy, the inclusion of conflict analysis and conflict sensitivity principles often remain absent from climate finance discussions and planning.

With COP27 around the corner and for the occasion of International Peace Day, stakeholders ranging from government representatives to climate activists discuss their perspectives on the role of conflict and conflict sensitivity as part of climate finance and action.

This event was organized in partnership with International Alert.




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What happened at COP27?

What happened at COP27? 23 November 2022 — 12:00PM TO 1:00PM Anonymous (not verified) 14 November 2022 Online

Is the world getting back on track for staying within a 1.5°C temperature rise?

The COP27 summit closes out another year marked by record-breaking floods, deadly heatwaves and other extreme weather events, on top of global energy and food shortages and a cost-of-living crisis.

Remarkable geopolitical shifts including Russia’s invasion of Ukraine have weakened commitments to climate goals and led many to worry that governments are backtracking on their climate pledges.

UN officials have urged countries to show up to COP27 with greater ambition but instead of new pledges, the focus is expected to be on whether countries are following through on commitments made at COP26.

This event explored whether COP27 has met the challenge of truly moving the needle, and whether the world is getting back on track for staying within the 1.5°C temperature rise, or for loss and damage and climate justice.

Our expert panel discusses the summit’s overall success and impact on delivering in key areas: climate finance, mitigation, adaptation, loss and damage, nature and biodiversity and the just transition.

This event is part of the Waddesdon Club Webinar Series. The Waddesdon Club is a Chatham House initiative to encourage climate leadership in financial and economic policymaking. Since 2016, it has proved a highly successful forum for convening senior policymakers and leading climate scientists with future leaders in finance ministries, central banks and other public sector economic and financial organizations from around the world.

The initiative is supported by Ikea Foundation, KR Foundation and the Rothschild Foundation.




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An Attack on the ‘One Country, Two Systems’ Principle in Hong Kong

An Attack on the ‘One Country, Two Systems’ Principle in Hong Kong Expert comment sysadmin 11 January 2016

The disappearance of publisher Lee Bo may mark the beginning of the end of Beijing’s commitment to uphold the framework that provides the territory with a high degree of autonomy.

A book featuring Chinese President Xi Jinping and former political heavyweight Bo Xilai on the cover in a display cabinet of the Causeway Bay Books store in Hong Kong. Photo by Getty Images.

The disappearance of a publisher in Hong Kong, Lee Bo, who owns a well-known bookshop that sells books critical of Chinese leaders, is a landmark event and potentially a historical turning point for Hong Kong. It is not clear if this happened at the behest of the senior Chinese leadership. But if those responsible for the disappearing of Lee are not punished, it will be clear that their acts are condoned by the authorities.

This is deeply worrying as it gravely undermines the ‘one country, two systems’ framework, which provides Hong Kong with high degree of autonomy from Beijing. Under the Sino-British Agreement of 1984 and Hong Kong’s Basic Law, which govern relations between Hong Kong and China, the rights of Hong Kong citizens are meant to be protected within the territory. Mainland Chinese authorities do not have the legal power to arrest or detain an individual in, or remove anyone from, Hong Kong.

The Chinese know the limit of their legal authority in Hong Kong. Hence, Lee was quietly disappeared, rather than openly arrested. But that it happened at all may mark the beginning of the end of Beijing’s commitment to uphold the ‘one country, two systems’ framework – a relationship that requires Beijing to tolerate, if not respect, the judicial integrity and the way of life in Hong Kong.

Do we know for sure that Lee was ‘disappeared’ by China’s security apparatus? Before he disappeared, Lee said in an interview that he knew he had been watched and that his emails were accessed by Chinese agents, and that he would not travel to the mainland as a result. And we know that Lee’s travel documents are all in his home; yet he is now supposedly in China ‘assisting the authorities in an investigation’ into something unspecified. This explanation comes from a fax sent to Lee’s wife, probably intended by the Chinese authorities to put an end to speculation. But why would Chinese authorities work with Lee, a British citizen who carries no travel documents and would thus have broken the law by entering China? The circumstantial evidence is strong enough to show that whether he was taken by Chinese officers or someone else, his removal from Hong Kong to China must have received official endorsement.

Should the rest of the world be concerned about this? Hong Kong is a major financial center that services the world economy, and it can do so largely because it enjoys judicial independence and the high degree of autonomy under the ‘one country, two systems’ framework. It is also a shining example of how the rights and scope of development for individuals can be respected in a Chinese community. Should the ‘one country, two systems’ framework be undermined, Hong Kong as we know it will be no more.

Beijing’s quick response in requiring Lee to fax his family may come across as ham-fisted and callous, but it also demonstrates that it had not expected the strong backlash to Lee’s disappearance. A strong and well-articulated international response that brings the matter to Xi’s attention may persuade him that it is in China’s best interest to put a stop to this process of undermining the ‘one country, two systems’ framework. Given Hong Kong’s importance to the global economy, this should be a priority for the international community.

This article was originally published in the Diplomat.

To comment on this article, please contact Chatham House Feedback




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Taiwan Charts a New Course After Elections

Taiwan Charts a New Course After Elections Expert comment sysadmin 19 January 2016

The resounding victory for the opposition marks a decisive break with the past and could make life much more difficult for Beijing.

DPP supporters shine lights from their mobile devices as they celebrate election results during a rally in Taipei on 16 January 2016. Photo via Getty Images.

A victory for Taiwan’s Democratic Progressive Party (DPP) in Taiwan’s presidential election on Saturday had been widely predicted. But the margin of victory, and the crushing defeat suffered by the ruling Kuomintang (KMT) in the concurrent legislative elections, could mean a conclusive shift in both the country’s domestic politics and its important relationship with Beijing.

Why the DPP won

President elect Tsai Ing-wen’s victory was no close run thing nor was it a result of a split in the opposition vote as was claimed for her predecessor. The KMT ran a disastrously inept presidential campaign. The farcical way in which they first chose then unseated a totally unsuitable candidate simply underlined their lack of cohesion or purpose. This came on top of an unconvincing record in administration that showed the party to be increasingly tired, self-destructive and out of touch. Eric Chu, the eventual replacement choice, had neither the time nor the charisma to put things right.

Moreover, on the key issue of mainland policy, the KMT had come to be seen as serving more a party interest than a national one. It now appears that a majority in Taiwan believe that the DPP will more effectively champion and promote their interests in relation to China than the KMT. The coup de theatre of the meeting of the presidents of China and Taiwan in November had no discernible electoral impact. More widely, the view of the national identity as a Taiwanese one rather than a Chinese or hybrid Chinese/Taiwanese one has taken firm hold. The DPP responded more effectively to this new political climate.

What it means for relations with Beijing

Relations between Taiwan and the mainland can only become more difficult now, but quite how that works out in practical terms remains to be seen. It seems unlikely that China will choose, initially at least, to row back from the agreements reached with the outgoing administration, but further progress will be problematic. A new basis needs to be worked out for political negotiations, and neither side will wish to compromise its position. It is likely that there will be increasingly hard line and even bellicose rhetoric emanating from some quarters in China, but it will remain more measured on the official side. The reality of China’s military and economic power remains there for all to see.

The last DPP administration saw heightened tensions in US/China/Taiwan relations. The US will no doubt be arguing for calm and caution with both sides. All the official pronouncements so far from the DPP have been moderate. There is no desire for a confrontational policy from Taiwan, but equally Tsai made it clear that she was determined that ‘our democratic system, national identity, and international space must be respected. Any form of suppression will harm the stability of cross strait relations.’

A new era

President elect Tsai will be able to form and run an administration free from the shackles of a hostile legislature that made life so difficult for the first DPP administration under Chen Shui-bian, and her party can now claim a convincing popular mandate. She won by a margin of twelve percentage points over her rivals.

But the new administration faces real challenges, even beyond mainland policy. Taiwan’s economy has been relatively stagnant. There are increasing demands for new style politics. In her victory speech Tsai spoke of her wish to respond to the desire of the people for a government that is more willing to listen and one that is more transparent and accountable. She will want to escape from the shadow of the corruption that blighted the last DPP administration.

The DPP now has full control of Taiwan’s political processes for the first time ever, but equally significantly the pretensions of the KMT to be the natural ruling party in Taiwan have been dealt a devastating blow. Taiwan’s democracy has moved into a new era.

To comment on this article, please contact Chatham House Feedback




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Populism Comes to South Korea

Populism Comes to South Korea Expert comment sysadmin 20 December 2016

Public disgust with the embattled president reflects not only the unedifying details of her impeachment but a wider distrust of the political system.

South Korean protesters hold torches during a rally against the president in central Seoul. Photo by Getty Images.

For South Korea’s President Park Geun-hye, the jury is quite literally still out. Impeached by the country’s National Assembly on 9 December over claims of corruption, cronyism and influence peddling, she defiantly rejected – in a detailed statement – all of the charges levelled at her by an independent prosecutor. Any resolution of the issue must now await the ruling of the country’s Constitutional Court on the legitimacy of the impeachment vote – a decision that most likely will come early in the new year.

For the special prosecutor’s office, which is due to start its formal investigation on 21 December, the challenge is to find unambiguous evidence of the president’s direct responsibility for any of the corruption that may have taken place. The president, for her part, can claim, with some credibility that so far she has been tried only in the court of public opinion; that in South Korea’s rumour-prone, scandal-hungry media environment in which prosecutors have been known in the past to leak information to skew public debate, she has been denied natural justice and the presumption of innocence until proven guilty.

Long shadows

But for the more than three-quarters of the Korean public calling for Park’s resignation, the president is symptomatic of Korean society’s wider flaws, including a pattern of corruption, privilege and hypocrisy endemic to the country’s political, economic and social elites. At a time of anemic economic growth (the country’s growth rate is predicted to slow to 2.1% next year), widening wealth and income disparities and reduced employment opportunities for a highly educated workforce, there is a growing mood of populist disaffection with the entire social and political system – for its lack of fairness and transparency and its perceived regulatory inefficiencies. This has been highlighted dramatically by disasters such as the Sewol ferry sinking that claimed the lives of some 300 school-children in August 2014 – at which time the president was castigated for being absent from her office at the time of a grave national crisis.

Complicating the current stand-off is the long-shadow of identity politics and unresolved disagreements about the country’s postwar historical narrative. As the daughter of the man responsible for the Korean economic ‘miracle’ who protected the country from the external communist threat in the North and radical subversion from within, Park’s political lineage is, for the older generation of voters in their sixties and above, a powerful reason to back the beleaguered president.

Already there are signs that this constituency is beginning to rally behind Park, with 30,000 demonstrating on 17 December against the impeachment decision, and with the governing Saenuri party showing signs of a consolidation of power around pro-Park legislators. The president, who has a reputation for stubbornness, may be calculating that this core support may allow her to defy the much larger calls for her resignation. She may also be hoping that the constitutional court, in which the majority of justices are politically conservative, will rule in her favour, allowing her to see out the remainder of her time in office, set to end in February 2018.

A pro-Park ruling by the court seems unlikely given the weight of the circumstantial evidence. Leading opposition politicians, including Moon Jae-in, former head of the Democratic Party and the current front runner in any post-impeachment presidential contest, has warned of a popular ‘revolution’ if the impeachment vote is not upheld. Moreover, the appetite for street protests against the president remains undimmed, and even conservative politicians appear to be positioning themselves for a post-Park era. Ban Ki-moon, the outgoing UN secretary general and long considered a likely Saenuri party candidate for the presidency, has been publicly distancing himself from Park. With 20.5% support, behind Moon on 23.7%, he has compelling reasons to align himself with the popular mood.

Lessons

At an individual level, the experience of President Park combines both political failure and personal tragedy. She has demonstrably failed to live up to her early commitments to represent all Koreans and to bridge the deep divisions between left and right in Korean society. She has also remained deeply isolated from the professional politicians and democratic polity she purports to lead. This is perhaps not so surprising given her authoritarian heritage and the experience of seeing both her parents assassinated in space of five years in the 1970s. The trauma of this experience reportedly made her distrustful of government officials and overly inclined to rely on the guidance of personal friends of dubious reliability, the font of her current troubles. There is also a profound irony that a politician who came to power vowing to place ‘trust-politik’ at the heart of her policy towards North Korea has seen her political position undermined, perhaps fatally, by a near complete collapse in public confidence in her administration.

More widely, the Park saga reveals an important and potentially seismic shift in public attitudes in South Korea, perhaps spurred by a growing populist trend evident elsewhere, whether in the US, Europe or parts of Southeast Asia. Koreans appear to have lost patience with their political system. This new climate of dissent – emboldened by the signs that protest can potentially lead to radical political change – is likely to prove a challenge to any future Korean leader hoping to secure the trust and legitimacy needed to govern.

To comment on this article, please contact Chatham House Feedback




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Twenty Years After Hong Kong Handover, Does ‘One Country, Two Systems’ Still Work?

Twenty Years After Hong Kong Handover, Does ‘One Country, Two Systems’ Still Work? Expert comment sysadmin 28 June 2017

This unique constitutional framework can endure – if Hong Kong society can reconcile its different visions of the future.

Golden Bauhinia Square prepares for the anniversary commemorations. Photo: Getty Images.

Twenty years after the handover of Hong Kong from British to Chinese sovereignty, the ‘one country, two systems’ arrangement – the main aim of which was to guarantee the continuity of Hong Kong’s open society and way of life – can be said to have worked well. Street protests remain a regular feature of Hong Kong’s political culture. Freedom of information and expression are alive and well. Hong Kong retains its ‘capitalist way of life’, its legal system based on common law and independent judiciary, and its status as an international financial centre. As a result the city remains one of the most open economies across Asia, with robust institutions and transparency which are hard to find anywhere else in the region.

Yet the 79-day ‘occupy’ protests of autumn 2014 showed that something is not quite right in the city of Hong Kong.

The protests themselves had a number of causes. Partly they reflected socioeconomic concerns, especially the rise in income inequality and lack of affordable housing. These might have been dealt with to some extent by better governance over the years, but they are also a feature of many societies in the current phase of globalization – a case, perhaps, of too much ‘capitalist way of life’.

Politically, the desire expressed by many in 2014 was for a form of ‘genuine universal suffrage’ for the selection of Hong Kong’s chief executive which went beyond a provision of Hong Kong’s mini constitution, the Basic Law, that candidates should be put forward by a ‘nominating committee’. It was on this point that the possibility of constitutional reform foundered in 2015, leaving Hong Kong no further ahead in its ‘gradual progress’ towards democracy.

But this episode also brought to the surface the tension between different visions for Hong Kong’s future. In particular, many in Hong Kong are still uncomfortable with the ‘one country’ part of the deal, rejected by some (especially young people) in the ways that they conceptualize Hong Kong identity – according to one recent survey, as little as 3.1% of Hong Kong youths identify themselves as ‘Chinese’. These issues are likely to constrain political development for some time to come.

At their sharpest, some of these visions are for some form of self-determination, or even independence, for Hong Kong. This is not just anathema to the national authorities in Beijing, but contradicts a basic tenet of Hong Kong’s handover in 1997, the return to Chinese sovereignty. This is not just something on which Beijing will never compromise, but will seek to challenge.

It is this which explains the sense in Hong Kong that the central government has been looking to become politically more involved since 2014. But the challenge of influencing Hong Kong society is great, and other than strengthening relations with the establishment camp, Beijing has not been able to tighten its grip. If anything, the centre of gravity of Hong Kong politics has continued to drift away from Beijing, not towards it.

How this will play out remains to be seen. Some amelioration of social tensions could help. But the fundamental divergence in visions of Hong Kong’s future will not be resolved so easily.

Looking forward therefore, the key to the continued success of ‘one country, two systems’ lies in Hong Kong society. If mainstream acceptance of the compromises involved can return, then this unique constitutional framework can still work for years to come.




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Artificial Intelligence Apps Risk Entrenching India’s Socio-economic Inequities

Artificial Intelligence Apps Risk Entrenching India’s Socio-economic Inequities Expert comment sysadmin 14 March 2018

Artificial intelligence applications will not be a panacea for addressing India’s grand challenges. Data bias and unequal access to technology gains will entrench existing socio-economic fissures.

Participants at an AI event in Bangalore. Photo: Getty Images.

Artificial intelligence (AI) is high on the Indian government’s agenda. Some days ago, Prime Minister Narendra Modi inaugurated the Wadhwani Institute for Artificial Intelligence, reportedly India’s first research institute focused on AI solutions for social good. In the same week, Niti Aayog CEO Amitabh Kant argued that AI could potentially add $957 billion to the economy and outlined ways in which AI could be a ‘game changer’.

During his budget speech, Finance Minister Arun Jaitley announced that Niti Aayog would spearhead a national programme on AI; with the near doubling of the Digital India budget, the IT ministry also announced the setting up of four committees for AI-related research. An industrial policy for AI is also in the pipeline, expected to provide incentives to businesses for creating a globally competitive Indian AI industry.

Narratives on the emerging digital economy often suffer from technological determinism — assuming that the march of technological transformation has an inner logic, independent of social choice and capable of automatically delivering positive social change. However, technological trajectories can and must be steered by social choice and aligned with societal objectives. Modi’s address hit all the right notes, as he argued that the ‘road ahead for AI depends on and will be driven by human intentions’. Emphasising the need to direct AI technologies towards solutions for the poor, he called upon students and teachers to identify ‘the grand challenges facing India’ – to ‘Make AI in India and for India’.

To do so, will undoubtedly require substantial investments in R&D, digital infrastructure and education and re-skilling. But, two other critical issues must be simultaneously addressed: data bias and access to technology gains.

While computers have been mimicking human intelligence for some decades now, a massive increase in computational power and the quantity of available data are enabling a process of ‘machine learning.’ Instead of coding software with specific instructions to accomplish a set task, machine learning involves training an algorithm on large quantities of data to enable it to self-learn; refining and improving its results through multiple iterations of the same task. The quality of data sets used to train machines is thus a critical concern in building AI applications.

Much recent research shows that applications based on machine learning reflect existing social biases and prejudice. Such bias can occur if the data set the algorithm is trained on is unrepresentative of the reality it seeks to represent. If for example, a system is trained on photos of people that are predominantly white, it will have a harder time recognizing non-white people. This is what led a recent Google application to tag black people as gorillas.

Alternatively, bias can also occur if the data set itself reflects existing discriminatory or exclusionary practices. A recent study by ProPublica found for example that software that was being used to assess the risk of recidivism in criminals in the United States was twice as likely to mistakenly flag black defendants as being at higher risk of committing future crimes.

The impact of such data bias can be seriously damaging in India, particularly at a time of growing social fragmentation. It can contribute to the entrenchment of social bias and discriminatory practices, while rendering both invisible and pervasive the processes through which discrimination occurs. Women are 34 per cent less likely to own a mobile phone than men – manifested in only 14 per cent of women in rural India owning a mobile phone, while only 30 per cent of India’s internet users are women.

Women’s participation in the labour force, currently at around 27 per cent, is also declining, and is one of the lowest in South Asia. Data sets used for machine learning are thus likely to have a marked gender bias. The same observations are likely to hold true for other marginalized groups as well.

Accorded to a 2014 report, Muslims, Dalits and tribals make up 53 per cent of all prisoners in India; National Crime Records Bureau data from 2016 shows in some states, the percentage of Muslims in the incarcerated population was almost three times the percentage of Muslims in the overall population. If AI applications for law and order are built on this data, it is not unlikely that it will be prejudiced against these groups.

(It is worth pointing out that the recently set-up national AI task force is comprised of mostly Hindu men – only two women are on the task force, and no Muslims or Christians. A recent article in the New York Times talked about AI’s ‘white guy problem’; will India suffer from a ‘Hindu male bias’?)

Yet, improving the quality, or diversity, of data sets may not be able to solve the problem. The processes of machine learning and reasoning involve a quagmire of mathematical functions, variables and permutations, the logic of which are not readily traceable or predictable. The dazzle of AI-enabled efficiency gains must not blind us to the fact that while AI systems are being integrated into key socio-economic systems, their accuracy and logic of reasoning have not been fully understood or studied.

The other big challenge stems from the distribution of AI-led technology gains. Even if estimates of AI contribution to GDP are correct, the adoption of these technologies is likely to be in niches within the organized sector. These industries are likely to be capital- rather than labour-intensive, and thus unlikely to contribute to large-scale job creation.

At the same time, AI applications can most readily replace low- to medium-skilled jobs within the organized sector. This is already being witnessed in the outsourcing sector – where basic call and chat tasks are now automated. Re-skilling will be important, but it is unlikely that those who lose their jobs will also be those who are being re-skilled – the long arch of technological change and societal adaptation is longer than that of people’s lives. The contractualization of work, already on the rise, is likely to further increase as large industries prefer to have a flexible workforce to adapt to technological change. A shift from formal employment to contractual work can imply a loss of access to formal social protection mechanisms, increasing the precariousness of work for workers.

The adoption of AI technologies is also unlikely in the short- to medium-term in the unorganized sector, which engages more than 80 per cent of India’s labor force. The cost of developing and deploying AI applications, particularly in relation to the cost of labour, will inhibit adoption. Moreover, most enterprises within the unorganized sector still have limited access to basic, older technologies – two-thirds of the workforce are employed in enterprises without electricity. Eco-system upgrades will be important but incremental. Given the high costs of developing AI-based applications, most start-ups are unlikely to be working towards creating bottom-of-the-pyramid solutions.

Access to AI-led technology gains is thus likely to be heavily differentiated – a few high-growth industries can be expected, but these will not necessarily result in the welfare of labour. Studies show that labour share of national income, especially routine labour, has been declining steadily across developing countries.

We should be clear that new technological applications themselves are not going to transform or disrupt this trend – rather, without adequate policy steering, these trends will be exacerbated.

Policy debates about AI applications in India need to take these two issues seriously. AI applications will not be a panacea for addressing ‘India’s grand challenges’. Data bias and unequal access to technology gains will entrench existing socio-economic fissures, even making them technologically binding.

In addition to developing AI applications and creating a skilled workforce, the government needs to prioritize research that examines the complex social, ethical and governance challenges associated with the spread of AI-driven technologies. Blind technological optimism might entrench rather than alleviate the grand Indian challenge of inequity and growth.

This article was originally published in the Indian Express.




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Combatting Human Trafficking: The Situation in East Asia

Combatting Human Trafficking: The Situation in East Asia 16 September 2019 — 10:30AM TO 5:30PM Anonymous (not verified) 30 August 2019 Taipei, Taiwan

In 2017, there were an estimated 40.3 million victims of modern slavery worldwide. The prevalence for individuals to fall victim to forced labour practices is highest in the Asia-Pacific region where four out of every 1,000 people have been found to be victims of forced labour and labour trafficking. Many of these victims end up in the more developed economies of East Asia as destination countries of labour trafficking. Such cases are, however, often under-reported and under-detected, largely owing to a lack of a coherent response to trafficking across the sub-region.

At this roundtable, organized in partnership with the Taiwan Foundation for Democracy, the Taiwan-Asia Exchange Foundation and the University of Portsmouth, participants will discuss emerging anti-trafficking practices from a regional perspective including legal and policy frameworks and the role of business and recruitment agencies.

Attendance at this event is by invitation only.




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Putting the Hong Kong Crisis into Historical and Comparative Perspective

Putting the Hong Kong Crisis into Historical and Comparative Perspective 14 November 2019 — 8:30AM TO 9:30AM Anonymous (not verified) 17 October 2019 Chatham House | 10 St James's Square | London | SW1Y 4LE

This roundtable will focus on current events unfolding in Hong Kong, where the territory has been convulsed with protests for several months.

The speakers will examine how class, race and poverty play into the conflict. Taking a comparative approach, they will examine the generational divide, looking at the ideological gulf between the older, more conservative and pro-Beijing population versus the younger, more pro-democracy protesters. The discussion will also draw upon the erosion of trust between police and the wider public.

While acknowledging the unique features of this wave of unrest, the speakers will draw parallels, placing the current crisis in Hong Kong beside events that have occurred in other periods and other places.

Parallels to be explored include those with Shanghai struggles of the 1910s through 1980s and upheavals and crackdowns in the former Soviet bloc during the Cold War.




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Bangladesh: The Trade-Off Between Economic Prosperity and Human Rights

Bangladesh: The Trade-Off Between Economic Prosperity and Human Rights 11 March 2020 — 1:00PM TO 2:00PM Anonymous (not verified) 28 February 2020 Chatham House | 10 St James's Square | London | SW1Y 4LE

Bangladesh’s recent gains in economic and social indices, set against its record of corruption and poor civil rights, has at times been termed the ‘Bangladesh Paradox’. Yet this label is overly simplistic; the current situation proves that these trends can coexist.

The Awami League government, in power since 2009, has increased political stability, delivered unprecedented economic and social advances, and adopted a counter-terrorism strategy to stamp out extremist groups. At the same time, it is criticized for curbing civil rights and failing to hold credible elections. However, as the two previous regimes have demonstrated, the rights situation is unlikely to improve even if the Awami League were replaced.

How did worsening rights become a feature of the state irrespective of its political dispensation? An unresolved contest between political and non-political state actors may hold the key to that puzzle. The perils of the current dispensation have recently manifested in weakening economic indicators, which jeopardize the very stability and social progress for which the country has garnered much praise.




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Webinar: Hong Kong: Dissent in the Age of Coronavirus

Webinar: Hong Kong: Dissent in the Age of Coronavirus 17 April 2020 — 12:00PM TO 1:00PM Anonymous (not verified) 8 April 2020

Street protests demanding greater autonomy and democratization in Hong Kong upended the city for seven months last year. However, with the outbreak of the coronavirus in China in late January, the protests quickly died out. What does this mean for the city’s protest movement?

The speaker will argue that, despite the lack of high-profile street rallies, protest in the city is continuing. It is building on and evolving from last year’s protest movement albeit in different forms. At the same time, the Hong Kong authorities, emboldened by a hard line from Beijing, have begun cracking down on activists and protesters in the city as they seek to put a lid on dissent ahead of important Legislative Council elections scheduled for this September.

In this webinar, the speaker will look at the current state of dissent in Hong Kong and prospects for Hong Kong’s future.

This event will be held on the record.




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India's Response to COVID-19: Political and Social Implications

India's Response to COVID-19: Political and Social Implications 12 May 2020 — 12:00PM TO 12:45PM Anonymous (not verified) 14 May 2020

On March 23rd, India’s Prime Minister Narendra Modi ordered the world’s largest lockdown on its population of 1.3 billion. The strict measures were praised by some for their success in slowing the spread of coronavirus but faced criticism for the lack of warning which led millions of migrant workers to return home without assistance. Recently the government has begun to lift restrictions in an attempt to revive the economy.

The Indian government has sought technological solutions to contain the pandemic and these have raised concerns around privacy, surveillance, equity and mass use. Furthermore, some low wage workers are forced to accept these solutions if they are to return to work, leaving them with little choice.

In this webinar, the speakers discuss the economic, political and healthcare implications of the coronavirus pandemic on India. Will India seek to rethink its strategy for leadership in the post-COVID-19 global order? Is it possible to develop technologies that can effectively limit the spread of the coronavirus and ensure privacy?

The speakers argue that careful consideration of the second and third-order effects of the pandemic, and the tools being used to contain it, are necessary to preserve rights, liberties, and even democracy.




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Webinar: On the Front Line: The Impact of COVID-19 on Asia's Migrant Workers

Webinar: On the Front Line: The Impact of COVID-19 on Asia's Migrant Workers 21 May 2020 — 2:00PM TO 2:45PM Anonymous (not verified) 15 May 2020

Asia’s army of migrant workers are on the frontline in confronting the health and economic effects of COVID-19. Lacking formal safety nets, health care access, and facing social dislocation, hundreds of millions across the region are bearing the brunt of the coronavirus lockdown. Asian governments have scrambled to come up with an effective health and humanitarian response, exposing public apathy and significant shortcomings in public policy.

Is better regional coordination necessary to mitigate the impact of the COVID-19 on migrant labourers? Is the private sector in Asia part of the problem or part of the solution?

In this webinar, the speakers will discuss the likely implications of lasting economic damage on the livelihoods of Asia’s migrant workers, as well as responses and measures to effectively mitigate the impact.










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Error analysis of second-order local time integration methods for discontinuous Galerkin discretizations of linear wave equations

Constantin Carle and Marlis Hochbruck
Math. Comp. 93 (), 2611-2641.
Abstract, references and article information