1994•Journal of BacteriologyOpen access

Analysis of type II polyketide beta-ketoacyl synthase specificity in Streptomyces coelicolor A3(2) by trans complementation of actinorhodin synthase mutants

E S Kim, D. A. Hopwood, David H. Sherman

Abstract

Complementation of defined actinorhodin beta-ketoacyl synthase (KS) mutants by various other KS genes suggested that the ORF1-encoded KS may be relatively generalized in function, whereas the ORF2-encoded KS component may provide specificity in polyketide chain construction. Evidence for differential temporal-spatial expression of the actinorhodin and spore pigment KSs in Streptomyces coelicolor was obtained.

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Key concepts: Actinorhodin, Streptomyces coelicolor, Complementation, Biology, Polyketide synthase, Polyketide, Mutant, ATP synthase