ArticlePlant physiology2003
AtSig5 is an essential nucleus-encoded Arabidopsis sigma-like factor.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
18 citing papers in PubMed, 52 citations in OpenAlex.
- Plastid Gene Transcription: An Update on Promoters and RNA Polymerases.Methods in molecular biology (Clifton, N.J.) · 2021Article
- ATHB17 enhances stress tolerance by coordinating photosynthesis associated nuclear gene and ATSIG5 expression in response to abiotic stress.Scientific reports · 2017Article
- Leaf Variegation of Thylakoid Formation1 Is Suppressed by Mutations of Specific σ-Factors in Arabidopsis.Plant physiology · 2015Article
- Plastid gene expression during chloroplast differentiation and dedifferentiation into non-photosynthetic plastids during seed formation.Plant molecular biology · 2013Article
- Frequency-based time-series gene expression recomposition using PRIISM.BMC systems biology · 2012Article
- Function of plastid sigma factors in higher plants: regulation of gene expression or just preservation of constitutive transcription?Plant molecular biology · 2011Article
- COP1-mediated degradation of BBX22/LZF1 optimizes seedling development in Arabidopsis.Plant physiology · 2011Article
- ANK6, a mitochondrial ankyrin repeat protein, is required for male-female gamete recognition in Arabidopsis thaliana.Proceedings of the National Academy of Sciences of the United States of America · 2010Article
- Indispensable Roles of Plastids in Arabidopsis thaliana Embryogenesis.Current genomics · 2010Article
- Regulon organization of Arabidopsis.BMC plant biology · 2008Article
- Network discovery pipeline elucidates conserved time-of-day-specific cis-regulatory modules.PLoS genetics · 2008Article
- 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
- Building up of the plastid transcriptional machinery during germination and early plant development.Plant physiology · 2006Article
- Dual temporal role of plastid sigma factor 6 in Arabidopsis development.Plant physiology · 2006Article
- Chlamydomonas reinhardtii encodes a single sigma70-like factor which likely functions in chloroplast transcription.Current genetics · 2006Article
- Microarray profiling of plastid gene expression in a unicellular red alga, Cyanidioschyzon merolae.Plant molecular biology · 2005Article
- Blue light-induced transcription of plastid-encoded psbD gene is mediated by a nuclear-encoded transcription initiation factor, AtSig5.Proceedings of the National Academy of Sciences of the United States of America · 2004Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Transcription of chloroplast genes is subject to control by nucleus-encoded proteins. The chloroplast-encoded RNA polymerase (PEP) is a eubacterial-type RNA polymerase that is presumed to assemble with nucleus-encoded sigma-factors mediating promoter recognition. Recently, families of sigma-factor genes have been identified in several plants including Arabidopsis. One of these genes, Arabidopsis SIG5, encodes a sigma-factor, AtSig5, which is phylogenetically distinct from the other family members. To investigate the role of this plant sigma-factor, two different insertional alleles of the SIG5 gene were identified and characterized. Heterozygous mutant plants showed no visible leaf phenotype, but exhibited siliques containing aborted embryos and unfertilized ovules. Our inability to recover plants homozygous for a SIG5 gene disruption indicates that SIG5 is an essential gene. SIG5 transcripts accumulate in flower tissues, consistent with a role for AtSig5 protein in reproduction. Therefore, SIG5 encodes an essential member of the Arabidopsis sigma-factor family that plays a role in plant reproduction in addition to its previously proposed role in leaf chloroplast gene expression.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.