ArticleThe Plant cell2007
The nuclear-encoded factor HCF173 is involved in the initiation of translation of the psbA mRNA in Arabidopsis thaliana.
Article in The Plant cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 64 papers.
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64 citing papers in PubMed.
- Assembly-dependent translational feedback regulation of photosynthetic proteins in land plants.Nature plants · 2025Article
- Effects of light on chloroplast translation in Marchantia polymorpha are similar to those in angiosperms and are not influenced by light-independent chlorophyll synthesis.The Plant journal : for cell and molecular biology · 2025Article
- Opposing action of photosystem II assembly factors RBD1 and HCF136 underlies light-regulatedProceedings of the National Academy of Sciences of the United States of America · 2025Article
- The psbA open reading frame acts in cis to toggle HCF173 from an activator to a repressor for light-regulated psbA translation in plants.The Plant cell · 2025Article
- Defining the heterogeneous composition of Arabidopsis thylakoid membrane.The Plant journal : for cell and molecular biology · 2025Article
- Localization of proteins involved in the biogenesis and repair of the photosynthetic apparatus to thylakoid subdomains inPlant direct · 2024Article
- Translational activation by a synthetic PPR protein elucidates control of psbA translation in Arabidopsis chloroplasts.The Plant cell · 2024Article
- RESISTANCE TO PHYTOPHTHORA1 promotes cytochrome b559 formation during early photosystem II biogenesis in Arabidopsis.The Plant cell · 2024Article
- The best of both worlds: photosynthesis and Solanaceae biodiversity seeking a sustainable food and cosmetic industry.Frontiers in plant science · 2024Article
- Article
- One-helix protein 2 is not required for the synthesis of photosystem II subunit D1 in Chlamydomonas.Plant physiology · 2023Article
- Chloroplast proteostasis: A story of birth, life, and death.Plant communications · 2023Review
- NNature communications · 2022Article
- Chromosome-scale assemblies of the male and female Populus euphratica genomes reveal the molecular basis of sex determination and sexual dimorphism.Communications biology · 2022Article
- Systematic characterization of gene function in the photosynthetic alga Chlamydomonas reinhardtii.Nature genetics · 2022Article
- Characterization of photosystem II assembly complexes containing ONE-HELIX PROTEIN1 in Arabidopsis thaliana.Journal of plant research · 2022Article
- Rubredoxin 1 Is Required for Formation of the Functional Photosystem II Core Complex inFrontiers in plant science · 2022Article
- Ribosome profiling elucidates differential gene expression in bundle sheath and mesophyll cells in maize.Plant physiology · 2021Article
- Article
- The OsABCI7 Transporter Interacts with OsHCF222 to Stabilize the Thylakoid Membrane in Rice.Plant physiology · 2020Article
4 more citing papers are in PubMed but not listed here.
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6 authors.
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Abstract
To gain insight into the biogenesis of photosystem II (PSII) and to identify auxiliary factors required for this process, we characterized the mutant hcf173 of Arabidopsis thaliana. The mutant shows a high chlorophyll fluorescence phenotype (hcf) and is severely affected in the accumulation of PSII subunits. In vivo labeling experiments revealed a drastically decreased synthesis of the reaction center protein D1. Polysome association experiments suggest that this is primarily caused by reduced translation initiation of the corresponding psbA mRNA. Comparison of mRNA steady state levels indicated that the psbA mRNA is significantly reduced in hcf173. Furthermore, the determination of the psbA mRNA half-life revealed an impaired RNA stability. The HCF173 gene was identified by map-based cloning, and its identity was confirmed by complementation of the hcf phenotype. HCF173 encodes a protein with weak similarities to the superfamily of the short-chain dehydrogenases/reductases. The protein HCF173 is localized in the chloroplast, where it is mainly associated with the membrane system and is part of a higher molecular weight complex. Affinity chromatography of an HCF173 fusion protein uncovered the psbA mRNA as a component of this complex.
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