A Wzz (Cld) protein determines the chain length of K lipopolysaccharide in Escherichia coli O8 and O9 strains

被引：37

作者：

Franco, AV ^{[1
]}

Liu, D ^{[1
]}

Reeves, PR ^{[1
]}

机构：

[1] UNIV SYDNEY, DEPT MICROBIOL G08, SYDNEY, NSW 2006, AUSTRALIA

来源：

JOURNAL OF BACTERIOLOGY | 1996年 / 178卷 / 07期

关键词：

D O I：

10.1128/jb.178.7.1903-1907.1996

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The modal distribution of O-antigen chain length is determined by the Wzz (Cld/Rol) protein in those cases in which it has been studied. The system of O-antigen synthesis in Escherichia coli serotypes O8 and O9 is different from that reported for most other bacteria, and chain length distribution is thought not to be determined by a Wzz protein. We report the existence in E. coli O8 and O9 strains of similar to and have sequences within the range of variation of those which determine the chain length of typical O antigens, We also find that wzz genes previously identified by their effect on O-antigen chain length, when cloned and transferred to O8 and O9 strains, affect the chain length of a capsule-related form of LPS, K-LPS. We conclude that in at least some O8 and O9 strains there is a wzz gene which controls the chain length of K-LPS but has no effect on the O8 or O9 antigen.

引用

页码：1903 / 1907

页数：5

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