Mechanistic Insight into Pentatricopeptide Repeat Proteins as Sequence-Specific RNA-Binding Proteins for Organellar RNAs in Plants | Zendy

Takahiro Nakamura | Zendy; Yusuke Yagi | Zendy; Kazuhiro Kobayashi | Zendy

Open Access

Mechanistic Insight into Pentatricopeptide Repeat Proteins as Sequence-Specific RNA-Binding Proteins for Organellar RNAs in Plants

Author(s) -

Takahiro Nakamura,

Yusuke Yagi,

Kazuhiro Kobayashi

Publication year - 2012

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pcs069

Subject(s) - pentatricopeptide repeat , gene , biology , rna binding protein , eukaryote , genetics , rna , arabidopsis , gene expression , microbiology and biotechnology , computational biology , genome , rna editing , mutant

The pentatricopeptide repeat (PPR) protein family is highly expanded in terrestrial plants. Arabidopsis contains 450 PPR genes, which represents 2% of the total protein-coding genes. PPR proteins are eukaryote-specific RNA-binding proteins implicated in multiple aspects of RNA metabolism of organellar genes. Most PPR proteins affect a single or small subset of gene(s), acting in a gene-specific manner. Studies over the last 10 years have revealed the significance of this protein family in coordinated gene expression in different compartments: the nucleus, chloroplast and mitochondrion. Here, we summarize recent studies addressing the mechanistic aspect of PPR proteins.

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