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- W3128327180 endingPage "315" @default.
- W3128327180 startingPage "315" @default.
- W3128327180 abstract "Plastid gene expression (PGE) is essential for chloroplast biogenesis and function and, hence, for plant development. However, many aspects of PGE remain obscure due to the complexity of the process. A hallmark of nuclear-organellar coordination of gene expression is the emergence of nucleus-encoded protein families, including nucleic-acid binding proteins, during the evolution of the green plant lineage. One of these is the mitochondrial transcription termination factor (mTERF) family, the members of which regulate various steps in gene expression in chloroplasts and/or mitochondria. Here, we describe the molecular function of the chloroplast-localized mTERF2 in Arabidopsis thaliana. The complete loss of mTERF2 function results in embryo lethality, whereas directed, microRNA (amiR)-mediated knockdown of MTERF2 is associated with perturbed plant development and reduced chlorophyll content. Moreover, photosynthesis is impaired in amiR-mterf2 plants, as indicated by reduced levels of photosystem subunits, although the levels of the corresponding messenger RNAs are not affected. RNA immunoprecipitation followed by RNA sequencing (RIP-Seq) experiments, combined with whole-genome RNA-Seq, RNA gel-blot, and quantitative RT-PCR analyses, revealed that mTERF2 is required for the splicing of the group IIB introns of ycf3 (intron 1) and rps12." @default.
- W3128327180 created "2021-02-15" @default.
- W3128327180 creator A5078602306 @default.
- W3128327180 creator A5079654654 @default.
- W3128327180 creator A5087762478 @default.
- W3128327180 date "2021-02-03" @default.
- W3128327180 modified "2023-09-25" @default.
- W3128327180 title "Arabidopsis Mitochondrial Transcription Termination Factor mTERF2 Promotes Splicing of Group IIB Introns" @default.
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- W3128327180 doi "https://doi.org/10.3390/cells10020315" @default.
- W3128327180 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7913559" @default.
- W3128327180 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33546419" @default.
- W3128327180 hasPublicationYear "2021" @default.