Comparative studies on chloroplast DNA in Ogura-type CMS lines derived from a cybrid (Brassica oleracea L. var. capitata) and a chimera (Brassica rapa L. var. peruviridis) and on a distinction of chloroplast DNA by PCR in Brassicaceae

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Two cytoplasmic male sterile (CMS) lines were found in the progenies of an intergeneric cybrid (<i>Brassica oleracea</i> L. var. <i>capitata</i>) derived from asymmetrical protoplast-fusion and an interspecific chimera (<i>Brassica rapa</i> L. var. <i>peruviridis</i>) derived from <i>in vitro</i> grafting. Although these CMS lines were different in origin, they both had abnormal anthers and aborted pollen grains. The mitochondrial DNA in these CMS lines indicated the presence of <i>orf138</i>, an indicator gene for Ogura-type cytoplasm. In this study, direct sequencing of two regions near the <i>rps16</i> in chloroplast DNA was performed. Although the sequence of the two regions in these two CMS lines was different from that in their parental lines, it was the same as the sequence in an Ogura-type CMS radish. Thus, these results suggest that the two CMS lines possess chloroplast DNA of the Ogura-type or a similar type as well as Ogura-type mitochondrial DNA. Furthermore, the region between <i>rps16</i> and <i>trnK</i> was compared among species related to <i>Brassica</i> by PCR. The result indicated the presence of many sequence variations in this region and suggested that chloroplast DNAs could be distinguished by analyzing this region by PCR.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 25(2), 177-182, 2008-03-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021913067
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    13424580
  • NDL 記事登録ID
    9422977
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z54-J126
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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