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嗜热细菌热纤梭菌的F型或V型钠-ATP酶

The F- or V-type Na(+)-ATPase of the thermophilic bacterium Clostridium fervidus.

作者信息

Speelmans G, Poolman B, Abee T, Konings W N

机构信息

Department of Microbiology, University of Groningen, Haren, The Netherlands.

出版信息

J Bacteriol. 1994 Aug;176(16):5160-2. doi: 10.1128/jb.176.16.5160-5162.1994.

Abstract

Clostridium fervidus is a thermophilic, anaerobic bacterium which uses solely Na+ as a coupling ion for energy transduction. Important features of the primary Na+ pump (ATPase) that generates the sodium motive force are presented. The advantage of using a sodium rather than a proton motive force at high temperatures becomes apparent from the effect of temperature on H+ and Na+ permeation in liposomes.

摘要

嗜热梭菌是一种嗜热厌氧菌,它仅将Na⁺作为能量转导的偶联离子。本文介绍了产生钠动力势的初级Na⁺泵(ATP酶)的重要特性。从温度对脂质体中H⁺和Na⁺渗透的影响可以看出,在高温下使用钠动力势而非质子动力势的优势。

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