嗜酸细菌嗜酸硫杆菌中的细胞质pH稳态
Cytoplasmic pH homeostasis in an acidophilic bacterium, Thiobacillus acidophilus.
作者信息
Zychlinsky E, Matin A
出版信息
J Bacteriol. 1983 Dec;156(3):1352-5. doi: 10.1128/jb.156.3.1352-1355.1983.
Abstract
The cytoplasmic buffering capacity of Thiobacillus acidophilus (along with membrane properties) is responsible for the cytoplasmic pH homeostasis in metabolically compromised cells. When a large influx of H+ occurs, the cytoplasmic buffering capacity prevents drastic changes in pH; in addition, this influx, by increasing the positive membrane potential, eventually leads to a cessation of further H+ influx.
摘要
嗜酸硫杆菌的细胞质缓冲能力（连同膜特性）负责代谢受损细胞中的细胞质pH稳态。当大量H+涌入时，细胞质缓冲能力可防止pH值发生剧烈变化；此外，这种涌入通过增加正膜电位，最终导致进一步的H+涌入停止。
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