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The multiple-stress responsive plastid sigma factor, SIG5, directs activation of the psbD blue light-responsive promoter (BLRP) in Arabidopsis thaliana.
Transcription in higher plant plastids is performed by two types of RNA polymerases called NEP and PEP, and expression of photosynthesis genes in chloroplasts is largely dependent on PEP, aExpand
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RpaB, Another Response Regulator Operating Circadian Clock-dependent Transcriptional Regulation in Synechococcus elongatus PCC 7942*
Background: The circadian output pathway in cyanobacteria is mediated by a two-component system consisting of SasA/RpaA. Results: An additional response regulator, RpaB, directly binds toExpand
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DNA Microarray Analysis of Plastid Gene Expression in an Arabidopsis Mutant Deficient in a Plastid Transcription Factor Sigma, SIG2
The plastid genome of higher plants contains more than one hundred genes for photosynthesis, gene expression, and other processes. Plastid transcription is done by two types of RNA polymerase, PEPExpand
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Glutamyl‐tRNA mediates a switch in RNA polymerase use during chloroplast biogenesis
Chloroplast genes of higher plants are transcribed by two types of RNA polymerase that are encoded by nuclear (NEP (nuclear‐encoded plastid RNA polymerase)) or plastid (PEP (plastid‐encoded plastidExpand
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Molecular genetic analysis of chloroplast gene promoters dependent on SIG2, a nucleus-encoded sigma factor for the plastid-encoded RNA polymerase, in Arabidopsis thaliana.
Most photosynthesis-related genes in mature chloroplasts are transcribed by a eubacterial-type RNA polymerase (PEP) whose core subunits are encoded by the plastid genome. It has been shown previouslyExpand
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Dynamics of RpaB-promoter interaction during high light stress, revealed by chromatin immunoprecipitation (ChIP) analysis in Synechococcus elongatus PCC 7942.
  • M. Hanaoka, K. Tanaka
  • Biology, Medicine
  • The Plant journal : for cell and molecular…
  • 1 October 2008
In cyanobacteria, a series of genes are induced by, and cause tolerance to, high light stress conditions. Some of these genes share a short, repeated sequence motif known as a high light regulatory 1Expand
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Circadian Control of Chloroplast Transcription by a Nuclear-Encoded Timing Signal
Synchronizing Photosynthetic Capacity Coordination of photosynthetic activity with sunlight benefits plant productivity. Noordally et al. (p. 1316) analyzed how the Arabidopsis circadian clock keepsExpand
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Induction of a Group 2 σ Factor, RPOD3, by High Light and the Underlying Mechanism in Synechococcus elongatus PCC 7942*
Among the σ70 family bacterial σ factors, group 2 σ factors have similar promoter recognition specificity to group 1 (principal) σ factors and express and function under specific environmental andExpand
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A tetrapyrrole-regulated ubiquitin ligase controls algal nuclear DNA replication
In plant cells, organelle DNA replication (ODR) is coordinated with nuclear DNA replication (NDR), with ODR preceding NDR during cell cycle progression. We previously showed that the occurrence ofExpand
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Characterization of four nuclear-encoded plastid RNA polymerase sigma factor genes in the liverwort Marchantia polymorpha: blue-light- and multiple stress-responsive SIG5 was acquired early in the
The plastids of plant cells each contain their own genome, and a bacterial-type RNA polymerase called plastid-encoded plastid RNA polymerase (PEP) is involved in transcription of this genome. WhileExpand
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