Evolution of the GC content of the histone 3 gene in seven Drosophila species

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The molecular evolution of the histone multigene family was studied by cloning and determining the nucleotide sequences of the histone 3 genes in seven <i>Drosophila</i> species, <i>D. takahashii, D. lutescens, D. ficusphila, D. persimilis, D.pseudoobscura, D. americana</i> and <i>D. immigrans</i>. CT repeats, a TATA box and an AGTG motif in the 5' region, and a hairpin loop and purine-rich motifs (CAA(T/G)GAGA) in the 3' region were conserved even in distantly related species. In <i>D. hydei</i> and <i>D.americana,</i> the GC content at the third codon position in the protein coding region was relatively low (49% and 45%), while in <i>D. takahashii</i> and <i>D. lutescens</i> it was relatively high (64% and 65%). The non- significant correlation between the GC contents in the 3' region and at the third codon position as well as the evidence of less constraint in the 3' region suggested that mutational bias may not be the major mechanism responsible for the biased nucleotide change at the third codon position or for codon usage bias.<br>

収録刊行物

  • Genes & genetic systems

    Genes & genetic systems 78(4), 309-318, 2003-08-25

    The Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10012456658
  • 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
    6705435
  • 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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