Molecular Cloning and Characterization of a Novel Isoform of the Human UDP-Galactose Transporter, and of Related Complementary DNAs Belonging to the Nucleotide-Sugar Transporter Gene Family

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We described recently the molecular cloning of human UDP-galactose transporter 1 (bUGT1) [Miura, N. <i>et al</i>. (1996) <i>J. Biochem</i>. 120, 236-241]. Now we have characterized its isoform, hUGT2, that is most likely generated through the alternative splicing of a transcript derived from the UGT genomic gene, that also codes for hUGT1. Introduction of the open reading frame sequence of hUGT2 into a mouse cell line, Had-1, that lacks the UDP-galactose transporter, complemented the genetic defect of the mutant, as judged from the lectin-sensitivity spectra of the transformants and the nucleotide-sugar transporting activity of microsomal vesicles isolated from them. UGT-related genes were found through a BLAST search of dbEST based on their significant similarity with hUGT genes. We report here cDNA clones belonging to two subfamilies of the nucleotide-sugar transporter gene family. One is the human CMP-sialic acid transporter gene, and the other is a group of homologous genes with an undefined function that are distributed in man, mouse, and rat, and show significant similarity to the yeast UDP-<i>N</i>-acetylglucosamine transporter.

収録刊行物

  • The journal of biochemistry

    The journal of biochemistry 120(6), 1074-1078, 1996-12-01

    社団法人 日本生化学会

参考文献:  12件中 1-12件 を表示

被引用文献:  6件中 1-6件 を表示

各種コード

  • NII論文ID(NAID)
    10005191909
  • NII書誌ID(NCID)
    AA00694073
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    0021924X
  • NDL 記事登録ID
    4090634
  • NDL 雑誌分類
    ZR2(科学技術--生物学--生化学)
  • NDL 請求記号
    Z53-B472
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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