title: Architecture of the PPR gene family in the moss Physcomitrella patens.
abstract: Pentatricopeptide repeat (PPR) proteins are widespread in eukaryotes and in particular, include several hundred members in land plants. The majority of PPR proteins are localized in mitochondria and plastids, where they play a crucial role in various aspects of RNA metabolism at the post-transcriptional level in gene expression. However, many of their functions remain to be characterized. In contrast to vascular plants, the moss Physcomitrella patens has only 105 PPR genes. This number may represent a minimum set of PPR proteins required for post-transcriptional regulation in plant organelles. Here, we review the overall structure of the P. patens PPR gene family and the current status of the functional characterization of moss PPR proteins.
authors: Center for Gene Research; Nagoya University; Chikusa-ku; Nagoya, Japan.
authors: Mamoru
authors: M
authors: Sugita
authors: Center for Gene Research; Nagoya University; Chikusa-ku; Nagoya, Japan.
authors: Mizuho
authors: M
authors: Ichinose
authors: Center for Gene Research; Nagoya University; Chikusa-ku; Nagoya, Japan.
authors: Mizuki
authors: M
authors: Ide
authors: Center for Gene Research; Nagoya University; Chikusa-ku; Nagoya, Japan.
authors: Chieko
authors: C
authors: Sugita
mesh_terms: D017360:Arabidopsis / Q000235:genetics; D019068:Bryopsida / Q000235:genetics*; D059765:Homologous Recombination; D012275:Oryza / Q000235:genetics; D010940:Plant Proteins / Q000235:genetics* / Q000378:metabolism*; D017434:Protein Structure, Tertiary; D017393:RNA Editing; D012326:RNA Splicing; D016601:RNA-Binding Proteins / Q000235:genetics* / Q000378:metabolism*
chemical_list: D010940:Plant Proteins; D016601:RNA-Binding Proteins
keywords: DYW domain; PPR protein; Physcomitrella patens; RNA cleavage; RNA editing; RNA splicing; homologous recombination; moss; targeted gene disruption
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