A Novel maT-type Transposable Element, BmamaT1, in Bombyx mandarina, Homologous to the B. mori mariner-like Element Bmmar6

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A complex type marner-like element (MLE) was isolated by PCR with genomic DNA of Bombyx mandarina. The clones of this MLE, homologous to the 'Cecropia-ITR-MLE' in BmTNML locus that we have isolated previously from <i>B. mori</i>, were roughly classified into four groups according to the state of inserted elements: (1) Containing a retrotransposon (L1Bm) and another element, (2) containing L1Bm alone, (3) containing another element alone and (4) without insertions. This inserted element was named BmamaT1, as it was homologous to the <i>B. mori</i> MLE called Bmmar6, which was previously reported to be similar to a maT-family member, Bmmar1. Many of the current Cecropia-ITR-MLE clones had, as the BmamaT1 insertion site, the sequence of TA/TATA, which may be a transposition target site. Moreover, the BmamaT1 elements that inserted into the Cecropia-ITR-MLE region were highly homogeneous, making one group when a phylogenetic tree was made together with BmamaT1 members isolated directly from the B. mandarina genome. Many of the inserted type BmamaT1 elements had complete ORF which possessed the so-called DDD catalytic triad. All these findings were taken to indicate that a large fraction of the BmamaT1 elements are still highly active.<br>

収録刊行物

  • Journal of insect biotechnology and sericology  

    Journal of insect biotechnology and sericology 77(1), 45-52, 2008-02-28 

    The Japanese Society of Sericultural Science

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各種コード

  • NII論文ID(NAID)
    10021220981
  • NII書誌ID(NCID)
    AA11558849
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13468073
  • NDL 記事登録ID
    9400409
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産)
  • NDL 請求記号
    Z54-J696
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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