ArticlePlant molecular biology2007
Chloroplast ribosome release factor 1 (AtcpRF1) is essential for chloroplast development.
Article in Plant molecular biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 59 citations in OpenAlex.
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- Lethal albinic seedling, encoding a threonyl-tRNA synthetase, is involved in development of plastid protein synthesis system in rice.Plant cell reports · 2017Article
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- Inheritance and allelism of morphological traits in eastern redbud (Cercis canadensis L.).Horticulture research · 2015Article
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- The translational apparatus of plastids and its role in plant development.Molecular plant · 2014Review
- Integrated analysis of transcriptome and metabolome of Arabidopsis albino or pale green mutants with disrupted nuclear-encoded chloroplast proteins.Plant molecular biology · 2014Article
- RBF1, a plant homolog of the bacterial ribosome-binding factor RbfA, acts in processing of the chloroplast 16S ribosomal RNA.Plant physiology · 2014Article
- Genomic stability in response to high versus low linear energy transfer radiation in Arabidopsis thaliana.Frontiers in plant science · 2014Article
- Common and specific protein accumulation patterns in different albino/pale-green mutants reveals regulon organization at the proteome level.Plant physiology · 2012Article
- Evolution and diversification of the organellar release factor family.Molecular biology and evolution · 2012Article
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Authors and funding
13 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To study the functions of nuclear genes involved in chloroplast development, we systematically analyzed albino and pale green Arabidopsis thaliana mutants by use of the Activator/Dissociation (Ac/Ds) transposon tagging system. In this study, we focused on one of these albino mutants, designated apg3-1 (for a lbino or p ale g reen mutant 3). A gene encoding a ribosome release factor 1 (RF1) homologue was disrupted by the insertion of a Ds transposon into the APG3 gene; a T-DNA insertion into the same gene caused a similar phenotype (apg3-2). The APG3 gene (At3g62910) has 15 exons and encodes a protein (422-aa) with a transit peptide that functions in targeting the protein to chloroplasts. The amino acid sequence of APG3 showed 40.6% homology with an RF1 of Escherichia coli, and complementation analysis using the E. coli rf1 mutant revealed that APG3 functions as an RF1 in E. coli, although complementation was not successful in the RF2-deficient (rf2) mutants of E. coli. These results indicate that the APG3 protein is an orthologue of E. coli RF1, and is essential for chloroplast translation machinery; it was accordingly named AtcpRF1. Since the chloroplasts of apg3-1 plants contained few internal thylakoid membranes, and chloroplast proteins related to photosynthesis were not detected by immunoblot analysis, AtcpRF1 is thought to be essential for chloroplast development.
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