Suppression of early competence mutations in Bacillus subtilis by mec mutations.

Abstract excerpt

Although competence normally develops only in glucose-minimal salts media, mecA and mecB mutations permit the expression of competence and of late competence genes in complex media as well (D. Dubnau and M. Roggiani, J. Bacteriol. 172:4048-4055, 1990). The expression of late competence genes is dependent on the products of the regulatory genes comA, comB, comP, sin, abrB, spo0H, and spo0A. We show here that this...

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