ArticleNucleic acids research1998
Nuclear encoding of a plastid sigma factor in rice and its tissue- and light-dependent expression.
Article in Nucleic acids research, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 76 citations in OpenAlex.
- A heat-inducible expression system for external control of gene expression in plastids.Plant biotechnology journal · 2024Article
- Plastid Gene Transcription: An Update on Promoters and RNA Polymerases.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Subfunctionalization of sigma factors during the evolution of land plants based on mutant analysis of liverwort (Marchantia polymorpha L.) MpSIG1.Genome biology and evolution · 2013Article
- Article
- Plant sigma factors and their role in plastid transcription.Plant cell reports · 2007Review
- Nucleus-encoded plastid sigma factor SIG3 transcribes specifically the psbN gene in plastids.Nucleic acids research · 2007Article
- Chlamydomonas reinhardtii encodes a single sigma70-like factor which likely functions in chloroplast transcription.Current genetics · 2006Article
- Article
- In vitro reconstitution of rice anthranilate synthase: distinct functional properties of the alpha subunits OASA1 and OASA2.Plant molecular biology · 2004Article
- Structure, circadian regulation and bioinformatic analysis of the unique sigma factor gene in Chlamydomonas reinhardtii.Photosynthesis research · 2004Article
- Molecular genetic analysis of chloroplast gene promoters dependent on SIG2, a nucleus-encoded sigma factor for the plastid-encoded RNA polymerase, in Arabidopsis thaliana.Nucleic acids research · 2003Article
- Characterization of Arabidopsis plastid sigma-like transcription factors SIG1, SIG2 and SIG3.Plant molecular biology · 2003Article
- Unique architecture of the plastid ribosomal RNA operon promoter recognized by the multisubunit RNA polymerase in tobacco and other higher plants.The Plant cell · 2003Article
- A RelA-SpoT homolog (Cr-RSH) identified in Chlamydomonas reinhardtii generates stringent factor in vivo and localizes to chloroplasts in vitro.Nucleic acids research · 2002Article
- Characterization of rice anthranilate synthase alpha-subunit genes OASA1 and OASA2. Tryptophan accumulation in transgenic rice expressing a feedback-insensitive mutant of OASA1.Plant physiology · 2001Article
- Involvement of a nuclear-encoded basic helix-loop-helix protein in transcription of the light-responsive promoter of psbD.Plant physiology · 2001Article
- Requirement for cytoplasmic protein synthesis during circadian peaks of transcription of chloroplast-encoded genes in Chlamydomonas.Plant molecular biology · 2000Article
- Complementary expression of two plastid-localized sigma-like factors in maize.Plant physiology · 2000Article
- Identification of two essential sequence elements in the nonconsensus type II PatpB-290 plastid promoter by using plastid transcription extracts from cultured tobacco BY-2 cells.The Plant cell · 1999Article
- Characterization of two chloroplast RNA polymerase sigma factors from Zea mays: photoregulation and differential expression.Proceedings of the National Academy of Sciences of the United States of America · 1999Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A full-length cDNA encoding a putative sigma factor for a plastid RNA polymerase was isolated from the higher plant Oryza sativa . The nucleotide sequence of the corresponding nuclear gene, named Os-sigA ( O.sativa sigma A), predicts a polypeptide of 519 amino acids that contains a putative plastid-targeting sequence in its N-terminal region. The predicted mature protein shows extensive sequence homology to bacterial sigma factors, encompassing the conserved regions 1.2, 2.1, 2.2, 2.3, 2.4, 3, 4.1 and 4.2 implicated in binding to -10 promoter elements, promoter melting and interaction with the core RNA polymerase enzyme. RNA blot analysis revealed that the abundance of Os-sigA transcripts was markedly greater in green shoots than in roots or in dark-grown etiolated shoots of rice seedlings. Furthermore, exposure of dark-grown etiolated seedlings to light resulted in a rapid increase in the amount of Os-sigA mRNA in the shoot. These observations suggest that regulation of expression of the nuclear gene for this putative plastid RNA polymerase sigmafactor by light contributes to light-dependent transcriptional regulation of plastid genes.
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