ArticleThe Plant cell2006
pTAC2, -6, and -12 are components of the transcriptionally active plastid chromosome that are required for plastid gene expression.
Article in The Plant cell, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 222 papers.
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Who cites it
222 citing papers in PubMed, 488 citations in OpenAlex.
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- Convergent roles of BcGUN4.1, BcSG1, BcCHLH, and BcTPR4 in regulating the leaf greenness of non-heading Chinese cabbage.Molecular horticulture · 2026Article
- OsFeSOD3 Functions as an Enzymatic Component of the PEP Complex, Bifunctionally Regulating Chloroplastic ROS Metabolism and Chloroplast Biogenesis in Rice.Plant biotechnology journal · 2026Article
- A red/blue optoswitch for temporal control of chloroplast transcription and biogenesis in Arabidopsis.Nature communications · 2026Article
- Membranous Interacting Partners of Phage-Type Plastid RNA Polymerase Have Limited Impact on Plastid Gene Expression During Chloroplast Development.Plant direct · 2026Article
- Proteome and Phosphoproteome of Tomato Fruit Identify REDUCED CHLOROPLAST COVERAGE 1a as A Ripening Regulator.Genomics, proteomics & bioinformatics · 2025Article
- A record-setting mitogenome in the holoparasitic plant Balanophora yakushimensis accompanied by exceptional loss of organellar DNA repair and recombination genes.BMC biology · 2025Article
- Deciphering the regulatory network of carbon isotope discrimination in bread wheat through genome-wide association studies and genomic prediction.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- ORANGE family proteins: multifunctional chaperones shaping plant carotenoid level, plastid development, stress tolerance, and more.Molecular horticulture · 2025Review
- A PPR Protein RFCD1 Affects Chloroplast Gene Expression and Chloroplast Development inPlants (Basel, Switzerland) · 2025Article
- OsPRDA1 Interacts With OsFSD2 To Promote Chloroplast Development by Regulating Chloroplast Gene Expression in Rice.Rice (New York, N.Y.) · 2025Article
- Article
- RAS, a Pentatricopeptide Repeat Protein, Interacts with OsTRX z to Regulate Chloroplast Gene Transcription and RNA Processing.Plants (Basel, Switzerland) · 2025Article
- Architecture of the spinach plastid-encoded RNA polymerase.Nature communications · 2024Article
- WHIRLY proteins, multi-layer regulators linking the nucleus and organelles in developmental and stress-induced senescence of plants.Annals of botany · 2024Review
- STIC2 selectively binds ribosome-nascent chain complexes in the cotranslational sorting of Arabidopsis thylakoid proteins.The EMBO journal · 2024Article
- PAP1 and PAP7 are required for association of plastid-encoded RNA polymerase with DNA.Plant molecular biology · 2024Article
- Over-accumulation of chloroplast-nucleus located WHIRLY1 in barley leads to a decrease in growth and an enhanced stress resistance.The Plant journal : for cell and molecular biology · 2024Article
- The uS10c-BPG2 module mediates ribosomal RNA processing in chloroplast nucleoids.Nucleic acids research · 2024Article
162 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Transcription in plastids is mediated by a plastid-encoded multimeric (PEP) and a nuclear-encoded single-subunit RNA polymerase (NEP) and a still unknown number of nuclear-encoded factors. By combining gel filtration and affinity chromatography purification steps, we isolated transcriptionally active chromosomes from Arabidopsis thaliana and mustard (Sinapis alba) chloroplasts and identified 35 components by electrospray ionization ion trap tandem mass spectrometry. Eighteen components, called plastid transcriptionally active chromosome proteins (pTACs), have not yet been described. T-DNA insertions in three corresponding genes, ptac2, -6, and -12, are lethal without exogenous carbon sources. Expression patterns of the plastid-encoded genes in the corresponding knockout lines resemble those of Deltarpo mutants. For instance, expression of plastid genes with PEP promoters is downregulated, while expression of genes with NEP promoters is either not affected or upregulated in the mutants. All three components might also be involved in posttranscriptional processes, such as RNA processing and/or mRNA stability. Thus, pTAC2, -6, and -12 are clearly involved in plastid gene expression.
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