1887

Abstract

SUMMARY: Malate degradation by CECT 220 provides energy which enables this organism to remain viable for longer at low environmental pH values. Energy production was not coupled to H-ATPase activity. This protective mechanism against acidic external pH is complemented by another system of ΔpH maintenance. The H-ATPase did not seem to be involved in this system of pH maintenance as the system was not sensitive to '-dicyclohexylcarbodiimide (DCCD) and was functional at very low pH values where ATPase activity was severely inhibited.

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1992-12-01
2021-05-08
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