| Inhibition of Escherichia coli chemotaxis by omega-conotoxin, a calcium ion channel blocker. | |||||||||||
Abstract | |||||||||||
| 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. | |||||||||||
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