Colanic acid

1. Cephaloridine induces colanic acid in E. coli cells.

   “wild-type Escherichia coli strains overproduce colanic acids (CAs) when exposed to a low dose of cephaloridine”

   Cellslow dose

   Chemical modulation of gut bacterial metabolism induces colanic acid and extends the lifespan of nematode and mammalian hosts

   PLoS biology·11 Nov 2025

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1. zraS mediates colanic acid in E. coli cells.

   “promotes its induction through a mechanism mediated by the membrane-bound histidine kinase ZraS”

   Cellsin low-dose cephaloridine treatment

   Chemical modulation of gut bacterial metabolism induces colanic acid and extends the lifespan of nematode and mammalian hosts

   PLoS biology·11 Nov 2025

More on zraS