ArticlePlant physiology2006
Dual temporal role of plastid sigma factor 6 in Arabidopsis development.
Article in Plant physiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed.
- Article
- Overexpression of RPOTmp Being Targeted to Either Mitochondria or Chloroplasts inInternational journal of molecular sciences · 2024Article
- Stromal Protein Chloroplast Development and Biogenesis1 Is Essential for Chloroplast Development and Biogenesis inFrontiers in plant science · 2022Article
- Plastid Gene Transcription: An Update on Promoters and RNA Polymerases.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Transcription is a major driving force for plastid genome instability in Arabidopsis.PloS one · 2019Article
- LLM-Domain B-GATA Transcription Factors Play Multifaceted Roles in Controlling Greening in Arabidopsis.The Plant cell · 2018Article
- Phenotypic, histological and proteomic analyses reveal multiple differences associated with chloroplast development in yellow and variegated variants from Camellia sinensis.Scientific reports · 2016Article
- Leaf Variegation of Thylakoid Formation1 Is Suppressed by Mutations of Specific σ-Factors in Arabidopsis.Plant physiology · 2015Article
- Arabidopsis thaliana mutants lacking cpFtsY or cpSRP54 exhibit different defects in photosystem II repair.Frontiers in plant science · 2015Article
- AtSIG6 and other members of the sigma gene family jointly but differentially determine plastid target gene expression in Arabidopsis thaliana.Frontiers in plant science · 2014Article
- Seedling Lethal1, a pentatricopeptide repeat protein lacking an E/E+ or DYW domain in Arabidopsis, is involved in plastid gene expression and early chloroplast development.Plant physiology · 2013Article
- Plastid gene expression during chloroplast differentiation and dedifferentiation into non-photosynthetic plastids during seed formation.Plant molecular biology · 2013Article
- How to build functional thylakoid membranes: from plastid transcription to protein complex assembly.Planta · 2013Review
- Sigma factor-mediated plastid retrograde signals control nuclear gene expression.The Plant journal : for cell and molecular biology · 2013Article
- SIG1, a sigma factor for the chloroplast RNA polymerase, differently associates with multiple DNA regions in the chloroplast chromosomes in vivo.International journal of molecular sciences · 2012Article
- Transcriptional organization of the large and the small ATP synthase operons, atpI/H/F/A and atpB/E, in Arabidopsis thaliana chloroplasts.Plant molecular biology · 2012Article
- A functional component of the transcriptionally active chromosome complex, Arabidopsis pTAC14, interacts with pTAC12/HEMERA and regulates plastid gene expression.Plant physiology · 2011Article
- Intracompartmental and intercompartmental transcriptional networks coordinate the expression of genes for organellar functions.Plant physiology · 2011Article
- Plastid-to-nucleus retrograde signals are essential for the expression of nuclear starch biosynthesis genes during amyloplast differentiation in tobacco BY-2 cultured cells.Plant physiology · 2011Article
- Function of plastid sigma factors in higher plants: regulation of gene expression or just preservation of constitutive transcription?Plant molecular biology · 2011Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants contain nuclear-coded sigma factors for initiation of chloroplast transcription. The in vivo function of individual members of the sigma gene family has become increasingly accessible by knockout and complementation strategies. Here we have investigated plastid gene expression in an Arabidopsis (Arabidopsis thaliana) mutant with a defective gene for sigma factor 6. RNA gel-blot hybridization and real-time reverse transcription polymerase chain reaction together indicate that this factor has a dual developmental role, with both early and persistent (long-term) activities. The early role is evident from the sharp decrease of certain plastid transcripts only in young mutant seedlings. The second (persistent) role is reflected by the up- and down-regulation of other transcripts at the time of primary leaf formation and subsequent vegetative development. We conclude that sigma 6 does not represent a general factor, but seems to have specialized roles in developmental stage- and gene-specific plastid transcription. The possibility that plastid DNA copy number might be responsible for the altered transcript patterns in mutant versus wild type was excluded by the results of DNA gel-blot hybridization. Retransformation of the knockout line with the full-length sigma 6 cDNA further established a causal relationship between the functional sigma gene and the resulting phenotype.
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