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      Nucleo-cytoplasmic interactions affect RNA editing of cox2, atp6 and atp9 in alloplasmic male-sterile rice (Oryza sativa L.) lines.

      1 , , ,
      Mitochondrion
      Elsevier BV

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          Abstract

          RNA editing plays an important role in the regulation of mitochondrial gene expression in flowering plants. In this study, we examined RNA editing of the mitochondrial genes cox2, atp6 and atp9 in five isonuclear alloplasmic male-sterile lines (IAMSLs) of rice to investigate whether different cytoplasmic types affect RNA editing. Although many editing sites were conserved among the three genes, we found that the editing efficiency of certain sites was significantly different between different IAMSLs or between IAMSLs and their corresponding cytoplasmic donor CMS lines. Furthermore, several editing sites were found to be either present or absent in certain IAMSLs and their corresponding CMS lines. These results indicate that nuclear loci, as well as unknown editing factors within the mitochondria of different cytoplasmic types, may be involved in RNA editing, and they suggest that RNA editing in plant mitochondria is affected by nucleo-cytoplasmic interactions.

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          Author and article information

          Journal
          Mitochondrion
          Mitochondrion
          Elsevier BV
          1872-8278
          1567-7249
          Mar 2013
          : 13
          : 2
          Affiliations
          [1 ] State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice, Ministry of Agriculture, College of Life Sciences, Wuhan University, Wuhan, 430072, People's Republic of China.
          Article
          S1567-7249(13)00022-6
          10.1016/j.mito.2013.01.011
          23395688
          6144464a-5459-4755-bb43-4f6e1fc85965
          History

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