Blue light specific and differential expression of a plastid σ factor, Sig5 in Arabidopsis thaliana

@article{Tsunoyama2002BlueLS,
  title={Blue light specific and differential expression of a plastid $\sigma$ factor, Sig5 in Arabidopsis thaliana},
  author={Y. Tsunoyama and K. Morikawa and T. Shiina and Y. Toyoshima},
  journal={FEBS Letters},
  year={2002},
  volume={516}
}
The transcription of plastid gene psbD is under the control of the BLRP ( lue‐ ight‐ esponsive romoter) recognized by plastid‐encoded RNA polymerase, in which nuclear‐encoded σ factors play a crucial role in the promoter recognition. We examined the effects of light on mRNA levels of six different SIG genes in Arabidopsis and found that blue light extensively induced the accumulation of SIG5 transcripts, but red light did not. The blue light specificity was not observed in the accumulations of… Expand
Plastid Transcription in Higher Plants
Plant sigma factors and their role in plastid transcription
Blue light-induced transcription of plastid-encoded psbD gene is mediated by a nuclear-encoded transcription initiation factor, AtSig5.
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