2010
DOI: 10.1104/pp.110.168120
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Identification of Nuclear Genes Encoding Chloroplast-Localized Proteins Required for Embryo Development in Arabidopsis    

Abstract: We describe here the diversity of chloroplast proteins required for embryo development in Arabidopsis (Arabidopsis thaliana). Interfering with certain chloroplast functions has long been known to result in embryo lethality. What has not been reported before is a comprehensive screen for embryo-defective (emb) mutants altered in chloroplast proteins. From a collection of transposon and T-DNA insertion lines at the RIKEN chloroplast function database (http://rarge.psc.riken.jp/chloroplast/) that initially appear… Show more

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Cited by 218 publications
(310 citation statements)
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References 74 publications
(87 reference statements)
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“…The plastid genome encodes products with critical functions in photosynthesis, plastid gene expression, and fatty acid synthesis (43,44). Table 4 reveals that several plastid transcripts are differentially down-regulated in both mutants.…”
Section: Ise2 Is Found In Chloroplastsmentioning
confidence: 99%
“…The plastid genome encodes products with critical functions in photosynthesis, plastid gene expression, and fatty acid synthesis (43,44). Table 4 reveals that several plastid transcripts are differentially down-regulated in both mutants.…”
Section: Ise2 Is Found In Chloroplastsmentioning
confidence: 99%
“…In this case, plastid growth and division are maintained in the absence of plastid protein synthesis. Moreover, many mutations that disrupt the splicing of chloroplast tRNAs or ribosomal protein mRNAs in maize lead to a complete loss of plastid ribosomes without affecting embryo development (Bryant et al, 2011;Lloyd and Meinke, 2012). Many additional albino mutants of maize and rice (Oryza sativa) lack plastid ribosomes, although the underlying mechanisms are not yet clear.…”
Section: Loss Of Chloroplast Translation Leads To An Arrest In Cell Gmentioning
confidence: 99%
“…In contrast with the grasses, embryo development is compromised in Arabidopsis mutants deficient in plastid translation. This difference between monocotyledonous and dicotyledonous plants appears to be due to the chloroplast accD locus involved in fatty acid biosynthesis, which is essential in Arabidopsis but not in maize, and rapeseed where nuclear genes compensate for its absence (Bryant et al, 2011).…”
Section: Loss Of Chloroplast Translation Leads To An Arrest In Cell Gmentioning
confidence: 99%
See 1 more Smart Citation
“…During seed development, embryo plastids begin to differentiate into green chloroplasts at the torpedo stage and then become colorless during seed ripening, as chloroplasts dedifferentiate to nonphotosynthetic plastids by losing their thylakoids and associated chlorophylls. Upon germination, these dedifferentiated plastids are converted into chloroplasts in the cotyledons (Ciamporova and Pretova, 1980; for review of the significance and biogenesis of plastids in embryogenesis, see Hsu et al, 2010;Bryant et al, 2011).…”
Section: The Search For Substratesmentioning
confidence: 99%