大肠杆菌素V制剂的分离与性质研究。

T Kucharzewska, H Stepień, E Gasior
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引用次数: 0

摘要

大肠杆菌菌株CLI(V)产生大肠杆菌素V,它可以以两种不同的化学形式存在。一种热稳定的脂多糖-蛋白质复合物是细胞洗涤液的主要成分。胞内粘菌素是热不稳定的,似乎是一种简单的蛋白质。初步实验表明,大肠杆菌素V同时抑制蛋白质、RNA和DNA的合成。它的作用方式类似于colicins: E1, B, K和A。
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Isolation and some properties of colicin V preparations.

E. coli strain CLI(V) produces colicin V which can exist in two chemically different forms. A heat-stable, liposaccharide-protein complex is present as a main component of the cell wash. An intracellular colicin is a heat-labile and seems to be a simple protein. Preliminary experiments have shown that colicin V inhibits simultaneously synthesis of protein, RNA and DNA. Its mode of action is similar to colicins: E1, B, K and A.

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