Convergence of two global transcriptional regulators on nitrogen induction of the stress-acclimation gene nblA in the cyanobacterium Synechococcus sp. PCC 7942.

@article{Luque2001ConvergenceOT,
  title={Convergence of two global transcriptional regulators on nitrogen induction of the stress-acclimation gene nblA in the cyanobacterium Synechococcus sp. PCC 7942.},
  author={Ignacio Luque and G{\'e}rald Zabulon and Asunci{\'o}n Contreras and Jean Houmard},
  journal={Molecular microbiology},
  year={2001},
  volume={41 4},
  pages={
          937-47
        }
}
Cyanobacteria respond to environmental stress conditions by degrading their phycobilisomes, the light harvesting complexes for photosynthesis. The expression of nblA, a key gene in this process, is controlled by the response regulator NblR in Synechococcus sp. PCC 7942. Here we show that, under nitrogen stress, nblA is also regulated by NtcA, the global regulator for nitrogen control. NtcA activation of nblA was found to be nitrogen-specific and did not take place under sulphur stress… CONTINUE READING

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