Abstract
We have studied the regulation of sulfate assimilation by the gliding bacterium Cytophaga johnsonae in which 20% of the total sulfur is in the sulfornate moiety of sulfonolipid. Added cystine inhibited sulfate uptake and growth with cystine as sulfur source resulted in a repression of sulfate uptake. However, low concentrations of cystine preferentially repressed the terminal reactions of sulfate assimilation responsible for cysteine synthesis while allowing the transport and activation of sulfate for sulfonolipid synthesis. The significance of this novel pattern of regulation in bacteria is discussed.
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Gilmore, D.F., Godchaux, W. & Leadbetter, E.R. Regulation of sulfate assimilation in Cytophaga johnsonae . Arch. Microbiol. 152, 387–392 (1989). https://doi.org/10.1007/BF00425178
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DOI: https://doi.org/10.1007/BF00425178