Studies on a microbial function induced by light

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LitR is an adenosyl Bl2-dependent light-sensitive MerR family transcriptional regulator,and litRhomologues are widely distributed among the Phylogenetically diverse genera of non-Phototrophic bacteria, including gram-positive and gram-negative bacteria. Our study on the function and role of LitR from Thermus and Bacillus revealed that LitrR is a central regulator of the light-inducible carotenoids production in both strains. Furthermore,we showed that LitR protein is an adenosyl B12-dependent light-sensitive regulaor in vivo experiment. We also revealed that LOV type photoreceptor is involved in the LitR-dependent transcriptional regulation in Pseudomonas.