INHIBITION OF ESCHERICHIA-COLI CHEMOTAXIS BY OMEGA-CONOTOXIN, A CALCIUM-ION CHANNEL BLOCKER

被引:39
|
作者
TISA, LS
OLIVERA, BM
ADLER, J
机构
[1] UNIV WISCONSIN,DEPT BIOCHEM,MADISON,WI 53706
[2] UNIV WISCONSIN,DEPT GENET,MADISON,WI 53706
[3] UNIV UTAH,DEPT BIOL,SALT LAKE CITY,UT 84112
关键词
D O I
10.1128/JB.175.5.1235-1238.1993
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Escherichia coli chemotaxis was inhibited by omega-conotoxin, a calcium ion channel blocker. With Tris-EDTA-permeabilized cells, nanomolar levels of omega-conotoxin inhibited chemotaxis without loss of motility. Cells treated with omega-conotoxin swam with a smooth bias, i.e., tumbling was inhibited.
引用
收藏
页码:1235 / 1238
页数:4
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