Gamma-butyrolactone-dependent expression of the Streptomyces antibiotic regulatory protein gene srrY plays a central role in the regulatory cascade leading to lankacidin and lankamycin production in Streptomyces rochei.

Abstract excerpt

Our previous studies revealed that the srrX and srrA genes carried on the large linear plasmid pSLA2-L constitute a gamma-butyrolactone-receptor system in Streptomyces rochei. Extensive transcriptional analysis has now showed that the Streptomyces antibiotic regulatory protein gene srrY, which is also carried on pSLA2-L, is a target of the receptor/repressor SrrA and plays a central role in lankacidin and...

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