Analysis of the ntp1+ gene, encoding neutral trehalase in the fission yeast Schizosaccharomyces pombe
- PMID: 9838130
- DOI: 10.1016/s0167-4781(98)00214-0
Analysis of the ntp1+ gene, encoding neutral trehalase in the fission yeast Schizosaccharomyces pombe
Abstract
We have cloned and sequenced the ntp1+ gene that codes for neutral trehalase in the fission yeast Schizosaccharomyces pombe. The ntp1+ gene product (Ntp1p) showed a 45-55% identity with neutral trehalases from other yeasts at the amino acid sequence level. However, in clear contrast to other neutral yeast trehalases so far characterized (which show two cAMP phospho-sites), only one consensus site for cAMP-dependent protein phosphorylation was found in Ntp1p. Northern blot hybridization experiments demonstrated that the Wis-Phh1/Sty1 MAP kinase cascade regulates ntp1+ expression during osmostress.
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