Identification of a pentatricopeptide repeat RNA editing factor in  Physcomitrella patens  chloroplasts | Zendy

Ichinose Mizuho | Zendy; Uchida Masato | Zendy; Sugita Mamoru | Zendy

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Identification of a pentatricopeptide repeat RNA editing factor in Physcomitrella patens chloroplasts

Author(s) -

Ichinose Mizuho,

Uchida Masato,

Sugita Mamoru

Publication year - 2014

Publication title -

febs letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.593

H-Index - 257

eISSN - 1873-3468

pISSN - 0014-5793

DOI - 10.1016/j.febslet.2014.09.031

Subject(s) - pentatricopeptide repeat , physcomitrella patens , rna editing , rna , chloroplast , biology , microbiology and biotechnology , gene , genetics , mutant

The moss Physcomitrella patens has two RNA editing sites in the chloroplasts. Here we identified a novel DYW‐subclass pentatricopeptide repeat (PPR) protein, PpPPR_45, as a chloroplast RNA editing factor in P . patens . Knockdown of the PpPPR_45 gene reduced the extent of RNA editing at the chloroplast rps14 ‐C2 site, whereas over‐expression of PpPPR_45 increased the levels of RNA editing at both the rps14 ‐C2 site and its neighboring C site. This indicates that the expression level of PpPPR_45 affects the extent of RNA editing at the two neighboring sites.

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