Rat small intestine expresses primarily type VI γ-glutamyl transpeptidase RNA

B. Z. Carter, G. M. Habib, Zheng-Zheng Shi, A. R. Sepulveda, R. M. Lebovitz, Michael W. Lieberman

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

To clarify differences between γ-glutamyl transpeptidase (γGT) expression in the rat and the mouse small intestine, we cloned and sequenced 13 rat small intestine γGT cDNAs and compared them with those obtained from the mouse. We found that all 13 were type VI, which in both species accounts for 80-90% of intestinal γGT. However, rat type VI γGT is substantially longer than mouse type VI RNA and includes at least 67 additional nucleotides at the 5' end that are non-homologous with the 5' end of the mouse type VI RNA; further, these show no homology to another mouse exon (VII) that splices to type VI RNA. In addition, a 168 nucleotide stretch is present in the middle of rat RNA that is absent in mouse type VI RNA.

Original languageEnglish (US)
Pages (from-to)1323-1330
Number of pages8
JournalBiochemistry and Molecular Biology International
Volume35
Issue number6
StatePublished - 1995

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Genetics

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