Signal transduction in Halobacterium depends on fumarate.

Abstract excerpt

The isolation of a straight-swimming mutant of Halobacterium halobium is reported which has a defect in switching the rotational sense of its flagellar motor. Cells of this mutant strain could be complemented with an extract from wild-type cells by mild sonication and resealing of the cells in fresh medium. The switch factor responsible for restoration of wild-type behaviour was isolated from membrane vesicle...

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