ArticlePlant physiology1999
Arabidopsis mutants lacking the 43- and 54-kilodalton subunits of the chloroplast signal recognition particle have distinct phenotypes.
Article in Plant physiology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.
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Who cites it
60 citing papers in PubMed, 112 citations in OpenAlex.
- Switchable client specificity in a dual functional chaperone coordinates light-harvesting complex biogenesis.Science advances · 2025Article
- Coordinated cpSRP43 and cpSRP54 Abundance Is Essential for Tetrapyrrole Biosynthesis While cpSRP43 Is Independent of Retrograde Signaling.Plants (Basel, Switzerland) · 2025Article
- GET3B is involved in chloroplast biogenesis and interacts with the thylakoidal ALB3 and ALB4 insertases.Plant cell reports · 2025Article
- Yellow barley xan-m mutants are deficient in the motor unit SECA1 of the SEC1 translocase system.Planta · 2025Article
- STIC2 selectively binds ribosome-nascent chain complexes in the cotranslational sorting of Arabidopsis thylakoid proteins.The EMBO journal · 2024Article
- The role of chloroplast SRP54 domains and its C-terminal tail region in post- and co-translational protein transport in vivo.Journal of experimental botany · 2024Article
- OsALB3 Is Required for Chloroplast Development by Promoting the Accumulation of Light-Harvesting Chlorophyll-Binding Proteins in Rice.Plants (Basel, Switzerland) · 2023Article
- Simultaneous CAS9 editing of cpPlant direct · 2023Article
- Chloroplast SRP54 and FtsH protease coordinate thylakoid membrane-associated proteostasis in Arabidopsis.Plant physiology · 2023Article
- Loss of CpFTSY Reduces Photosynthetic Performance and Affects Insertion of PsaC of PSI in Diatoms.Plant & cell physiology · 2023Article
- Photosynthesis in rice is increased by CRISPR/Cas9-mediated transformation of two truncated light-harvesting antenna.Frontiers in plant science · 2023Article
- Fine mapping of CscpFtsY, a gene conferring the yellow leaf phenotype in cucumber (Cucumis sativus L.).BMC plant biology · 2022Article
- Chloroplast SRP43 autonomously protects chlorophyll biosynthesis proteins against heat shock.Nature plants · 2021Article
- A homolog of GuidedEntry of Tail-anchored proteins3 functions in membrane-specific protein targeting in chloroplasts of Arabidopsis.The Plant cell · 2021Article
- Protein Targeting Into the Thylakoid Membrane Through Different Pathways.Frontiers in physiology · 2021Review
- Chloroplast SRP54s are Essential for Chloroplast Development in Rice.Rice (New York, N.Y.) · 2020Article
- Ribosome-Associated Chloroplast SRP54 Enables Efficient Cotranslational Membrane Insertion of Key Photosynthetic Proteins.The Plant cell · 2019Article
- Characterization of Proteins Involved in Chloroplast Targeting Disturbed by Rice Stripe Virus by Novel Protoplast⁻Chloroplast Proteomics.International journal of molecular sciences · 2019Article
- Molecular mechanism of SRP-dependent light-harvesting protein transport to the thylakoid membrane in plants.Photosynthesis research · 2018Review
- Chloroplast SRP43 acts as a chaperone for glutamyl-tRNA reductase, the rate-limiting enzyme in tetrapyrrole biosynthesis.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The chloroplast signal recognition particle (cpSRP) is a protein complex consisting of 54- and 43-kD subunits encoded by the fifty-four chloroplast, which encodes cpSRP54 (ffc), and chaos (cao) loci, respectively. Two new null alleles in the ffc locus have been identified. ffc1-1 is caused by a stop codon in exon 10, while ffc1-2 has a large DNA insertion in intron 8. ffc mutants have yellow first true leaves that subsequently become green. The reaction center proteins D1, D2, and psaA/B, as well as seven different light-harvesting chlorophyll proteins (LHCPs), were found at reduced levels in the young ffc leaves but at wild-type levels in the older leaves. The abundance of the two types of LHCP was unaffected by the mutation, while two others were increased in the absence of cpSRP54. Null mutants in the cao locus contain reduced levels of the same subset of LHCP proteins as ffc mutants, but are distinguishable in four ways: young leaves are greener, the chlorophyll a/b ratio is elevated, levels of reaction center proteins are normal, and there is no recovery in the level of LHCPs in the adult plant. The data suggest that cpSRP54 and cpSRP43 have some nonoverlapping roles and that alternative transport pathways can compensate for the absence of a functional cpSRP.
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