ArticlePlant physiology2011
A functional component of the transcriptionally active chromosome complex, Arabidopsis pTAC14, interacts with pTAC12/HEMERA and regulates plastid gene expression.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed.
- A red/blue optoswitch for temporal control of chloroplast transcription and biogenesis in Arabidopsis.Nature communications · 2026Article
- Architecture of the spinach plastid-encoded RNA polymerase.Nature communications · 2024Article
- PAP1 and PAP7 are required for association of plastid-encoded RNA polymerase with DNA.Plant molecular biology · 2024Article
- Chloroplast gene expression: Recent advances and perspectives.Plant communications · 2023Review
- Arabidopsis FIN219/JAR1 interacts with phytochrome A under far-red light and jasmonates in regulating hypocotyl elongation via a functional demand manner.PLoS genetics · 2023Article
- The PPR protein RARE1-mediated editing of chloroplast accD transcripts is required for fatty acid biosynthesis and heat tolerance in Arabidopsis.Plant communications · 2023Article
- High-throughput discovery of plastid genes causing albino phenotypes in ornamental chimeric plants.Horticulture research · 2023Article
- Correlated retrograde and developmental regulons implicate multiple retrograde signals as coordinators of chloroplast development in maize.The Plant cell · 2022Article
- H4 acetylation by the NuA4 complex is required for plastid transcription and chloroplast biogenesis.Nature plants · 2022Article
- Three-Dimensional Envelope and Subunit Interactions of the Plastid-Encoded RNA Polymerase fromInternational journal of molecular sciences · 2022Article
- PAP8/pTAC6 Is Part of a Nuclear Protein Complex and Displays RNA Recognition Motifs of Viral Origin.International journal of molecular sciences · 2022Article
- Arabidopsis CIA2 and CIL have distinct and overlapping functions in regulating chloroplast and flower development.Plant direct · 2022Article
- Plastid Deficient 1 Is Essential for the Accumulation of Plastid-Encoded RNA Polymerase Core Subunit β and Chloroplast Development inInternational journal of molecular sciences · 2021Article
- Identification of protein interactions of grapevine fanleaf virus RNA-dependent RNA polymerase during infection ofThe Journal of general virology · 2021Article
- A Novel Chloroplast Protein RNA Processing 8 Is Required for the Expression of Chloroplast Genes and Chloroplast Development inFrontiers in plant science · 2021Article
- The Plastid-Encoded RNA Polymerase-Associated Protein PAP9 Is a Superoxide Dismutase With Unusual Structural Features.Frontiers in plant science · 2021Article
- Nucleo-plastidic PAP8/pTAC6 couples chloroplast formation with photomorphogenesis.The EMBO journal · 2020Article
- The plastid transcription machinery and its coordination with the expression of nuclear genome: Plastid-Encoded Polymerase, Nuclear-Encoded Polymerase and the Genomes Uncoupled 1-mediated retrograde communication.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- Article
- mTERF8, a Member of the Mitochondrial Transcription Termination Factor Family, Is Involved in the Transcription Termination of Chloroplast GenePlant physiology · 2020Article
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6 authors.
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Abstract
The SET domain-containing protein, pTAC14, was previously identified as a component of the transcriptionally active chromosome (TAC) complexes. Here, we investigated the function of pTAC14 in the regulation of plastid-encoded bacterial-type RNA polymerase (PEP) activity and chloroplast development. The knockout of pTAC14 led to the blockage of thylakoid formation in Arabidopsis (Arabidopsis thaliana), and ptac14 was seedling lethal. Sequence and transcriptional analysis showed that pTAC14 encodes a specific protein in plants that is located in the chloroplast associated with the thylakoid and that its expression depends on light. In addition, the transcript levels of all investigated PEP-dependent genes were clearly reduced in the ptac14-1 mutants, while the accumulation of nucleus-encoded phage-type RNA polymerase-dependent transcripts was increased, indicating an important role of pTAC14 in maintaining PEP activity. pTAC14 was found to interact with pTAC12/HEMERA, another component of TACs that is involved in phytochrome signaling. The data suggest that pTAC14 is essential for proper chloroplast development, most likely by affecting PEP activity and regulating PEP-dependent plastid gene transcription in Arabidopsis together with pTAC12.
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