ArticleThe Plant cell2010
The cytoskeleton and the peroxisomal-targeted snowy cotyledon3 protein are required for chloroplast development in Arabidopsis.
Article in The Plant cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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42 citing papers in PubMed, 78 citations in OpenAlex.
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- Cytological, Physiological, and Transcriptomic Analyses of the Leaf Color MutantPlants (Basel, Switzerland) · 2024Article
- ARP2/3 complex associates with peroxisomes to participate in pexophagy in plants.Nature plants · 2023Article
- Multiple ubiquitin E3 ligase genes antagonistically regulate chloroplast-associated protein degradation.Current biology : CB · 2023Article
- Contrasting Metabolisms in Green and White Leaf Sectors of VariegatedInternational journal of molecular sciences · 2023Article
- Usefulness of temperate-adapted maize lines developed by doubled haploid and single-seed descent methods.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Dissecting the genetic control of natural variation in sorghum photosynthetic response to drought stress.Journal of experimental botany · 2022Article
- A glossary of plant cell structures: Current insights and future questions.The Plant cell · 2022Review
- Fine Mapping and Candidate Gene Analysis ofFrontiers in plant science · 2022Article
- Development of SNP Markers for White Immature Fruit Skin Color in Cucumber (Plants (Basel, Switzerland) · 2021Article
- Characterization and transcriptomic analysis of a novel yellow-green leaf wucai (Brassica campestris L.) germplasm.BMC genomics · 2021Article
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- Peroxisomes form intralumenal vesicles with roles in fatty acid catabolism and protein compartmentalization in Arabidopsis.Nature communications · 2020Article
- VENOSA4, a Human dNTPase SAMHD1 Homolog, Contributes to Chloroplast Development and Abiotic Stress Tolerance.Plant physiology · 2020Article
- Extrachloroplastic PP7L Functions in Chloroplast Development and Abiotic Stress Tolerance.Plant physiology · 2019Article
- Reduced expression of the proteolytically inactive FtsH members has impacts on the Darwinian fitness of Arabidopsis thaliana.Journal of experimental botany · 2019Article
- Transcriptome profiling of coriander: a dual purpose crop unravels stem gall resistance genes.Journal of genetics · 2019Article
Corrections and comments
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Authors and funding
10 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Here, we describe the snowy cotyledon3 (sco3-1) mutation, which impairs chloroplast and etioplast development in Arabidopsis thaliana seedlings. SCO3 is a member of a largely uncharacterized protein family unique to the plant kingdom. The sco3-1 mutation alters chloroplast morphology and development, reduces chlorophyll accumulation, impairs thylakoid formation and photosynthesis in seedlings, and results in photoinhibition under extreme CO(2) concentrations in mature leaves. There are no readily apparent changes to chloroplast biology, such as transcription or assembly that explain the disruption to chloroplast biogenesis. Indeed, SCO3 is actually targeted to another organelle, specifically to the periphery of peroxisomes. However, impaired chloroplast development cannot be attributed to perturbed peroxisomal metabolic processes involving germination, fatty acid β-oxidation or photorespiration, though there are so far undescribed changes in low and high CO(2) sensitivity in seedlings and young true leaves. Many of the chloroplasts are bilobed, and some have persistent membranous extensions that encircle other cellular components. Significantly, there are changes to the cytoskeleton in sco3-1, and microtubule inhibitors have similar effects on chloroplast biogenesis as sco3-1 does. The localization of SCO3 to the periphery of the peroxisomes was shown to be dependent on a functional microtubule cytoskeleton. Therefore, the microtubule and peroxisome-associated SCO3 protein is required for chloroplast development, and sco3-1, along with microtubule inhibitors, demonstrates an unexpected role for the cytoskeleton and peroxisomes in chloroplast biogenesis.
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