Journal
BIOCHEMICAL SOCIETY TRANSACTIONS
Volume 33, Issue -, Pages 190-192Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BST0330190
Keywords
Compylobacter; Nap; nitrate; nitric oxide; nitrite; Nrf
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Funding
- Biotechnology and Biological Sciences Research Council [D18189] Funding Source: researchfish
- Biotechnology and Biological Sciences Research Council [D18189] Funding Source: Medline
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Campylobacter jejuni is a small genome pathogen that is incapable of growing strictly anaerobically due to its dependence on an oxygen-requiring ribonucleotide reductase for DNA synthesis. Nevertheless, it has a complex branched respiratory chain, which allows the use of several alternative electron acceptors for growth under oxygen-limited conditions. C. jejuni is equipped with both nitrate reductase (Nap) and nitrite reductase (Nrf) located in the periplasm, each predicted to receive electrons from menaquinol through distinct redox proteins. The pathways of electron transport to nitrate and nitrite are reviewed in this paper. Nitrate is considered as a potential in vivo electron acceptor and a role for nitrite reductase in NO detoxification is suggested.
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