THE GENE FIMU AFFECTS EXPRESSION OF SALMONELLA-TYPHIMURIUM TYPE-1 FIMBRIAE AND IS RELATED TO THE ESCHERICHIA-COLI TRANSFER-RNA GENE ARGU

被引:27
作者
SWENSON, DL [1 ]
KIM, KJ [1 ]
SIX, EW [1 ]
CLEGG, S [1 ]
机构
[1] UNIV IOWA,DEPT MICROBIOL,IOWA CITY,IA 52242
来源
MOLECULAR & GENERAL GENETICS | 1994年 / 244卷 / 02期
关键词
FIMBRIAE; SALMONELLA; TRANSFER-RNA; FIMU;
D O I
10.1007/BF00283525
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The gene fimU, located on a recombinant plasmid carrying the Salmonella typhimurium type 1 fimbrial gene cluster is closely related to the Escherichia coli tRNA gene argU. The fimU gene complements an E. coli argU mutant that is a P2 lysogen, thereby allowing the phage P4 to grow in this strain but preventing the growth of phage lambda. In addition, fimU was shown to be involved in fimbrial expression since transformants of the E. coli argU mutant could produce fimbriae only in the presence of fimU but not in its absence, whereas in an E. coli argU(+) strain fimbriation did not require the fimU gene.
引用
收藏
页码:216 / 218
页数:3
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