منابع مشابه
Chloroplast RNA-binding and pentatricopeptide repeat proteins.
Chloroplast gene expression is mainly regulated at the post-transcriptional level by numerous nuclear-encoded RNA-binding protein factors. In the present study, we focus on two RNA-binding proteins: cpRNP (chloroplast ribonucleoprotein) and PPR (pentatricopeptide repeat) protein. These are suggested to be major contributors to chloroplast RNA metabolism. Tobacco cpRNPs are composed of five diff...
متن کاملRegulation of chloroplast translation: interactions of RNA elements, RNA-binding proteins and the plastid ribosome.
Chloroplast gene expression is primarily controlled during the translation of plastid mRNAs into proteins, and genetic studies have identified cis-acting RNA elements and trans-acting protein factors required for chloroplast translation. Biochemical analysis has identified both general and specific mRNA-binding proteins as components of the regulation of chloroplast translation, and has reveale...
متن کاملChloroplast RNA editing by pentatricopeptide repeat proteins.
Pentatricopeptide repeat (PPR) proteins function in multiple processes in mRNA maturation in plastids and mitochondria (reviewed in Schmitz-Linneweber and Small, 2008). RNA maturation in chloroplasts is complex, and PPR proteins act in cisand trans-splicing, translation, RNA cleavage, RNA stabilization, and RNA editing. This large protein family, with 450 members in Arabidopsis, is characterize...
متن کاملRNA-binding proteins.
The C. elegans genome encodes many RNA-binding proteins (RBPs) with diverse functions in development, indicative of extensive layers of post-transcriptional control of RNA metabolism. A number of C. elegans RBPs have been identified by forward or reverse genetics. They tend to display tissue-specific mutant phenotypes, which underscore their functional importance. In addition, several RBPs that...
متن کاملRNA-binding proteins: TRAPping RNA bases
In Bacillus subtilis, tryptophan biosynthesis is regulated by a mechanism called attenuation. The new crystal structure of the 'trp RNA binding attenuation protein', TRAP, in complex with RNA has provided new structural insights into how proteins can bind RNA to regulate transcription and translation.
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ژورنال
عنوان ژورنال: Nippon Nōgeikagaku Kaishi
سال: 1997
ISSN: 0002-1407,1883-6844
DOI: 10.1271/nogeikagaku1924.71.1177