Journal
NATURE CHEMICAL BIOLOGY
Volume 5, Issue 2, Pages 94-96Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nchembio.135
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Funding
- Wellcome Trust [069769]
- Biotechnology and Biological Sciences Research Council [BB/D017858/1]
- Biotechnology and Biological Sciences Research Council [BB/D017858/1] Funding Source: researchfish
- BBSRC [BB/D017858/1] Funding Source: UKRI
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The aerobic respiratory chain of Escherichia coli has two terminal quinol oxidases: cytochrome bo and cytochrome bd. Cytochrome bd was thought to function solely to facilitate micro-aerobic respiration. However, it has recently been shown to be overexpressed under conditions of nitric oxide (NO) stress; we show here that cytochrome bd is crucial for protecting E. coli cells from NO-induced growth inhibition by virtue of its fast NO dissociation rate.
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