Bioenergetics theory and components:Periplasmic electron-transport systems in bacteria

Richardson, D. J. ORCID: https://orcid.org/0000-0002-6847-1832, Sawers, G. and Van Spanning, R. J. M. (2021) Bioenergetics theory and components:Periplasmic electron-transport systems in bacteria. In: Encyclopedia of Biological Chemistry. Elsevier, pp. 31-37. ISBN 9780128194607

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Abstract

The periplasmic compartment lies between the inner (cytoplasmic) and outer membranes of Gram-negative bacteria. It is frequently termed the ‘periplasmic space’, but this is a misnomer as the term ‘space’ suggests a void and the periplasmic compartment is far from that. In fact, it is a highly metabolically active compartment where many important respiratory electron-transfer proteins are located. In bacteria these periplasmic redox proteins result in a great respiratory diversity, as they can facilitate electron transfer between a range of electron donors (e.g., formate, hydrogen, reduced nitrogen species, and reduced sulfur species) and electron acceptors (e.g., nitrogen and sulfur oxyanions, dimethylsulfoxide, and trimethylamine N oxide). This underlies the success of bacteria in colonizing a wide range of the Earth׳s oxic and anoxic environments and the important contribution of bacteria to critical biogeochemical element cycles, such as the nitrogen, sulfur, and carbon cycles.

Item Type: Book Section
Additional Information: This is a reproduction of A.B. Hooper, A.A. DiSpirito, Chemolithotrophy, in Encyclopedia of Biological Chemistry (Second Edition), Edited by: William J. Lennarz, M. Daniel Lane, Elsevier Inc., 2013, https://doi.org/10.1016/B978-0-12-378630-2.00219-X.
Uncontrolled Keywords: biochemistry, genetics and molecular biology(all) ,/dk/atira/pure/subjectarea/asjc/1300
Faculty \ School:
Faculty of Science > School of Biological Sciences
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Depositing User: LivePure Connector
Date Deposited: 05 Jul 2022 15:30
Last Modified: 12 Aug 2022 05:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/85965
DOI: 10.1016/B978-0-12-819460-7.00601-0

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