海洋弧菌S14饥饿诱导的依赖结合蛋白的葡萄糖转运调节
Starvation-induced modulations in binding protein-dependent glucose transport by the marine Vibrio sp. S14.
作者信息
Albertson N H, Nyström T, Kjelleberg S
机构信息
Department of General and Marine Microbiology, University of Göteborg, Sweden.
出版信息
FEMS Microbiol Lett. 1990 Jul;58(2):205-9. doi: 10.1111/j.1574-6968.1990.tb13979.x.
The uptake kinetics of D-glucose were examined in the marine Vibrio sp. S14 during a period of 168 h of complete energy and nutrient starvation. Two glucose transport systems were distinguished in Vibrio sp. S14: a low affinity system (Km = 4.6 +/- 0.9 microM) at the onset of starvation, and a high affinity system (Km = 0.55 +/- 0.15 microM) after 168 h of starvation. Both systems had a narrow substrate specificity, and both were osmotic shock-sensitive.
在完全缺乏能量和营养的168小时期间，对海洋弧菌属S14菌株中D - 葡萄糖的摄取动力学进行了研究。在弧菌属S14菌株中区分出两种葡萄糖转运系统：饥饿开始时的低亲和力系统（Km = 4.6 +/- 0.9 microM），以及饥饿168小时后的高亲和力系统（Km = 0.55 +/- 0.15 microM）。这两种系统都具有狭窄的底物特异性，并且都对渗透休克敏感。
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