カイコビテリン分解プロテアーゼ遺伝子の構造

DOI 日本農学文献記事索引 Web Site 参考文献18件
  • 池田 素子
    Laboratory of Sericulture and Entomoresources, Graduate School of Bioagricultural Sciences, Nagoya University
  • 山下 興亜
    Laboratory of Sericulture and Entomoresources, Graduate School of Bioagricultural Sciences, Nagoya University

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タイトル別名
  • Structure of the gene encoding vitellin-degrading protease of the silkworm, Bombyx mori.
  • Structure of the gene encoding vitellin

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A genomic DNA for the vitellin-degrading protease (Vtn protease) was isolated from a genomic library of Bombyx mori and sequenced. The Vtn protease gene was organized with 5 exons interrupted by 4 introns. This exon/intron organization was rigidly conserved in mammalian trypsin genes, but was not found in insect trypsin genes so far sequenced. Vtn protease gene was present as a single copy in the haploid B. mori genome. A cluster of the concensus sequence, designated as a Dfd binding site, a homeodomain protein binding site, was observed in the 5′ flanking region, suggesting the involvement of homeotic proteins in the regulation of Vtn protease gene expression.

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