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Structural basis for bacterial energy extraction from atmospheric hydrogen

Title Structural basis for bacterial energy extraction from atmospheric hydrogen
Authors Rhys Grinter, Ashleigh Kropp, Hari Venugopal, Moritz Senger, Jack Badley, Princess R. Cabotaje, Ruyu Jia, Zehui Duan, Ping Huang, Sven T. Stripp, Christopher K. Barlow, Matthew Belousoff, Hannah S. Shafaat, Gregory M. Cook, Ralf B. Schittenhelm, Kylie A.
Magazine Nature
Date 03/08/2023
DOI 10.1038/s41586-023-05781-7
Introduction Certain bacteria exhibit a significant capability to obtain energy by processing trace amounts of hydrogen from the atmosphere. This biological function is facilitated by specific enzymes, particularly high-affinity [NiFe]-hydrogenases. Understanding the molecular architecture and operational principles of these enzymes is essential for utilising such capabilities in biotechnological applications. This investigation employs advanced cryoelectron microscopy techniques to elucidate the fundamental structural framework of these bacterial hydrogenases. The findings provide insights into critical aspects of their enzyme mechanisms, detailing how these microorganisms efficiently oxidise atmospheric hydrogen. This structural information advances the field of bacteriology and presents opportunities for developing biocatalytic systems for sustainable hydrogen utilisation.
Quote Rhys Grinter, Ashleigh Kropp and Hari Venugopal et al. Structural basis for bacterial energy extraction from atmospheric hydrogen. Nature. 2023. Vol. 615(7952):541-547. DOI: 10.1038/s41586-023-05781-7
Element Hydrogen (H)
Industry Fuel Cells , Research & Laboratory
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