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Researchers Reveal Molecular Mechanism of Ruthenium Complex Induced DNA Phase Separation

Chinese Academy of Sciences The phenomenon of “liquid-liquid” phase separation (LLPS) of biological macromolecules in living cells regulates many cell activities. DNA LLPS manipulates many important processes such as gene transcription, translation, and chromosome high-level structure assembly. Abnormity of DNA LLPS causes oncogene expression, genome inactivation, uncontrolled transcription activation and other cellular processes, which are directly related to fatal diseases. Recently, a research group led by Prof. LI Guohui from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS), in collaboration with Prof. MAO Zongwan’s group from Sun Yat-Sen University, revealed the molecular mechanism of ruthenium complex induced DNA phase separation in living cells.

Oxygen-vacancy-mediated Catalysis Boosts Direct Methanation of Biomass

Chinese Academy of Sciences Biomethane (CH Currently, CH 4 is mainly produced via a multi-step process in which biomass is first gasified into biogas, followed by the methanation of the latter. This method requires high temperature and pressure and shows low selectivity for chemical or biological processes. Recently, a research group led by Prof. WANG Feng from the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, in collaboration with Prof. WANG Min’s group from Dalian University of Technology, proposed interfacial oxygen-vacancy (Vo)-mediated catalysis over Ru/TiO 2 for the direct methanation of lignocellulosic biomass at temperatures below 200°C and with a selectivity above 95%.

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