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Original Articles

The CarA/LitR-Family Transcriptional Regulator: Its Possible Role as a Photosensor and Wide Distribution in Non-Phototrophic Bacteria

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Pages 2320-2324 | Received 19 Apr 2006, Accepted 12 May 2006, Published online: 22 May 2014
 

Abstract

LitR is a MerR-family regulator that controls light-induced carotenogenesis in Streptomyces coelicolor. The introduction of litR conferred photo-dependent transcription activities on Streptomyces griseus, which does not perform photo-responsive carotenogenesis. LitR discovers homologs encoded at illumination-related loci of various non-phototrophic bacterial genomes. Probably, LitR acts not only as a transcriptional regulator but also a photosensor.

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