Tr1-copia group retrotransposons in persimmon (Diospyros kaki Thunb.)

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We cloned and characterized <i>Ty1-copia</i> group retrotransposons in persimmon (<i>Diospyros kaki</i> Thunb.). Genomic DNA or methyl jasmonate (MJA)-treated cDNA were used as templates to amplify the reverse transcriptase region of <i>Ty1-copia</i> group retrotransposons. About 280 bp fragments were amplified and cloned, and 97 clones were sequenced. Forty-nine clones included frameshift or the stop codon, or both. Among 48 clones containing complete reading frames, 42 clones had unique nucleotide sequences. Alignment and phylogenetic analysis of putative amino acid sequences in the 42 clones indicated that these clones (named <i>Tdk</i>; retroTransposon in <i>Diospyros kaki</i>) fell into seven subgroups and six ungrouped sequences, indicating high sequence heterogeneity in Tdk clones. Phylogenetic analysis comparing unrelated plant species shows that some Tdk clones are more closely related to <i>Ty1-copia</i> group retrotransposons in the orders <i>Solanales</i> and <i>Sapindales</i> rather than to other <i>Tdk</i> clones. Southern blot analysis using <i>Tdk2B, Tdk4c, Tdk6Ac, Tdk12K</i> and <i>Tdk13G</i> clones as probes showed that persimmon and its related species, <i>D. lotus, D. lotus</i> var. <i>glabba, D. oleifera, D. rhombifolia</i> and <i>D. virginiana</i>, contained multiple <i>Tdk</i>-like sequences, indicating that homologous elements exist in other <i>Diospyros</i> species.<br>

収録刊行物

  • Genes & genetic systems

    Genes & genetic systems 77(2), 131-136, 2002-04-01

    The Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10008639612
  • NII書誌ID(NCID)
    AA11077421
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13417568
  • NDL 記事登録ID
    6264876
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z53-W539
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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