ArticleBMC plant biology2019
An isoform of the plastid RNA polymerase-associated protein FSD3 negatively regulates chloroplast development.
Article in BMC plant biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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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
6 citing papers in PubMed, 14 citations in OpenAlex.
- OsFeSOD3 Functions as an Enzymatic Component of the PEP Complex, Bifunctionally Regulating Chloroplastic ROS Metabolism and Chloroplast Biogenesis in Rice.Plant biotechnology journal · 2026Article
- Linking Superoxide Production and Scavenging in Plant Development.Plant, cell & environment · 2026Review
- QTL mapping and candidate gene analysis reveal two major loci regulating green leaf color in non-heading Chinese cabbage.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Molecular and Biochemical Analysis of Duplicated Cytosolic CuZn Superoxide Dismutases of Rice andFrontiers in plant science · 2022Article
- Protein-protein interactions in plant antioxidant defense.Frontiers in plant science · 2022Review
- Splice Variants of Superoxide Dismutases in Rice and Their Expression Profiles under Abiotic Stresses.International journal of molecular sciences · 2021Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundPlastid-encoded RNA polymerase (PEP) plays an essential role in chloroplast development by governing the expression of genes involved in photosynthesis. At least 12 PEP-associated proteins (PAPs), including FSD3/PAP4, regulate PEP activity and chloroplast development by modulating formation of the PEP complex.
resultsIn this study, we identified FSD3S, a splicing variant of FSD3; the FSD3 and FSD3S transcripts encode proteins with identical N-termini, but different C-termini. Characterization of FSD3 and FSD3S proteins showed that the C-terminal region of FSD3S contains a transmembrane domain, which promotes FSD3S localization to the chloroplast membrane but not to nucleoids, in contrast to FSD3, which localizes to the chloroplast nucleoid. We also found that overexpression of FSD3S negatively affects photosynthetic activity and chloroplast development by reducing expression of genes involved in photosynthesis. In addition, FSD3S failed to complement the chloroplast developmental defects in the fsd3 mutant.
conclusionThese results suggest FSD3 and FSD3S, with their distinct localization patterns, have different functions in chloroplast development, and FSD3S negatively regulates expression of PEP-dependent chloroplast genes, and development of chloroplasts.
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