Regulation, sensory domains and roles of twoDesulfovibrio desulfuricansATCC27774 Crp family transcription factors, HcpR1 and HcpR2, in response to nitrosative stress

What is it about?

Bacteria that survive in oxygen-deficient environments have developed defence mechanisms to protect themselves from chemical attack. We show that bacteria that reduce sulfate to sulfide in the human body have evolved two independent mechanisms to detect attack by nitric oxide. In contrast, only one of these mechanisms is found in sulfate reducing bacteria isolated from anaerobic soils and sediments.

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