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Volume 4 Issue 4, April 2020

Methanogenic archaea reduce carbon dioxide all the way to methane by using dihydrogen as a substrate. This gas is processed by hydrogenase enzymes, one class of which cleaves dihydrogen at an iron cofactor and directly delivers hydride to a coenzyme as part of methanogenesis. See Huang et al.

Image: Gangfeng Huang/Carl Conway. Design: Carl Conway

Volume 4 Issue 4

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    • Stephen G. Davey
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Reviews

  • During free-radical polymerization of multivinyl monomers, the regulation of intermolecular crosslinking and intramolecular cyclization enables the construction of complex polymer architectures. This Review summarizes methods to achieve this control and techniques to analyse the sub-chain connections. Finally, it discusses exemplary biomedical applications of the complex polymer products.

    • Yongsheng Gao
    • Dezhong Zhou
    • Wenxin Wang
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Perspectives

  • Hydrogenotrophic methanogenesis involves enzymatic conversion of carbon dioxide to methane. This Perspective describes the reactions at play, with a particular focus on how [Fe]-hydrogenase cleaves dihydrogen and delivers hydride to an organic substrate.

    • Gangfeng Huang
    • Tristan Wagner
    • Seigo Shima
    Perspective
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