Molecular cloning and expression of a cDNA encoding an olfactory-specific mouse phenol sulphotransferase

Hiro Omi Tamura, Yuki Harada, Atsushi Miyawaki, Katsuhiko Mikoshiba, Michio Matsui

研究成果: Article査読

22 被引用数 (Scopus)

抄録

Previously we demonstrated the presence of phenol sulphotransferase (P-ST) in mouse nasal cytosols and identified its zonal location in mouse nasal cavity by staining with an antiserum raised against a rat liver P-ST isoenzyme.,PSTG. In the present study a cDNA was isolated from a mouse olfactory cDNA library by immunological screening with the antiserum. The isolated cDNA consisted of 1347 bp with a 912 bp open reading frame encoding a 304-residue polypeptide. Both the nucleotide and deduced amino acid sequences of the cDNA were 94% identical with those of a rat liver P-ST isoenzyme, ST1C1. The expressed enzyme in Escherichia coli displayed high P-ST activity towards phenolic odorants such as eugenol and guaiacol, and it showed a high N-hydroxy-2-acetylaminofluorene sulphation activity in comparison with the rat ST1C1 enzyme. These results indicate that the olfactory P-ST encoded by the cDNA is a mouse orthologue of rat ST1C1; however, expression of the olfactory P-ST mRNA is specific for nasal tissues as revealed by reverse transcriptase-mediated PCR (RT-PCR).

本文言語English
ページ(範囲)953-958
ページ数6
ジャーナルBiochemical Journal
331
3
DOI
出版ステータスPublished - 1998 5 1

ASJC Scopus subject areas

  • 生化学
  • 分子生物学
  • 細胞生物学

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