ArticleJournal of experimental botany2012
Arabidopsis cpSRP54 regulates carotenoid accumulation in Arabidopsis and Brassica napus.
Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 31 citations in OpenAlex.
- 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
- STIC2 selectively binds ribosome-nascent chain complexes in the cotranslational sorting of Arabidopsis thylakoid proteins.The EMBO journal · 2024Article
- A homolog of GuidedEntry of Tail-anchored proteins3 functions in membrane-specific protein targeting in chloroplasts of Arabidopsis.The Plant cell · 2021Article
- Chloroplast SRP54s are Essential for Chloroplast Development in Rice.Rice (New York, N.Y.) · 2020Article
- Sorting of SEC translocase SCY components to different membranes in chloroplasts.Journal of experimental botany · 2017Article
- Suppressors of the Chloroplast Protein Import MutantThe Plant cell · 2017Article
- Organization of chlorophyll biosynthesis and insertion of chlorophyll into the chlorophyll-binding proteins in chloroplasts.Photosynthesis research · 2015Review
- Genetic enhancement of Brassica napus seed quality.Transgenic research · 2014Review
- KNOX1 genes regulate lignin deposition and composition in monocots and dicots.Frontiers in plant science · 2013Article
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An Arabidopsis thaliana mutant, cbd (carotenoid biosynthesis deficient), was recovered from a mutant population based on its yellow cotyledons, yellow-first true leaves, and stunted growth. Seven-day-old seedlings and mature seeds of this mutant had lower chlorophyll and total carotenoids than the wild type (WT). Genetic and molecular characterization revealed that cbd was a recessive mutant caused by a T-DNA insertion in the gene cpSRP54 encoding the 54 kDa subunit of the chloroplast signal recognition particle. Transcript levels of most of the main carotenoid biosynthetic genes in cbd were unchanged relative to WT, but expression increased in carotenoid and abscisic acid catabolic genes. The chloroplasts of cbd also had developmental defects that contributed to decreased carotenoid and chlorophyll contents. Transcription of AtGLK1 (Golden 2-like 1), AtGLK2, and GUN4 appeared to be disrupted in the cbd mutant suggesting that the plastid-to-nucleus retrograde signal may be affected, regulating the changes in chloroplast functional and developmental states and carotenoid content flux. Transformation of A. thaliana and Brassica napus with a gDNA encoding the Arabidopsis cpSRP54 showed the utility of this gene in enhancing levels of seed carotenoids without affecting growth or seed yield.
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