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. 1992 Jun 11;20(11):2767-72.
doi: 10.1093/nar/20.11.2767.

Heterologous activation of the actinorhodin biosynthetic pathway in Streptomyces lividans

N M Romero  1 , V Parro, F Malpartida, R P Mellado
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Free PMC article

Heterologous activation of the actinorhodin biosynthetic pathway in Streptomyces lividans

N M Romero et al. Nucleic Acids Res. .
Free PMC article

Abstract

A DNA fragment of Streptomyces fradiae is able to activate the antibiotic actinorhodin biosynthetic pathway when cloned in Streptomyces lividans. The activator DNA region has been sequenced and its transcription initiation and termination sites accurately mapped in vivo. This DNA encodes a 132 nucleotides long transcript which is apparently responsible for the actinorhodin production phenotype, possibly acting as an antisense RNA. The sequence of the activator gene revealed no homology with any other known Streptomyces coelicolor genes concerned with actinorhodin biosynthesis or its pleiotropic regulation.

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