EFFICIENT INCORPORATION OF GALACTOSE INTO LIPOPOLYSACCHARIDE BY ESCHERICHIA-COLI K-12 STRAINS WITH POLAR GALE MUTATIONS

被引:13
作者
SCHNAITMAN, CA [1 ]
AUSTIN, EA [1 ]
机构
[1] UNIV VIRGINIA,SCH MED,DEPT MICROBIOL,CHARLOTTESVILLE,VA 22908
关键词
D O I
10.1128/jb.172.9.5511-5513.1990
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Efficient incorporation of exogenous galactose into lipopolysaccharide was observed in a strain with a galE::Tn10 insertion and a strain with a deletion of galOPE. No incorporation was observed in a strain with a longer (galETK) deletion, indicating that incorporation into the galE mutants was due to a low level of expression of galTK from internal or fortuitous promoters. These galE mutants provided a convenient and specific way to radiolabel lipopolysaccharide.
引用
收藏
页码:5511 / 5513
页数:3
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