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Mol Cell Biol. 1985 January; 5(1): 248-252

Transcriptional and post-transcriptional control of PHO8 expression by PHO regulatory genes in Saccharomyces cerevisiae.

Y Kaneko, Y Tamai, A Toh-e and Y Oshima

ABSTRACT

A DNA fragment bearing the PHO8 gene, which encodes repressible alkaline phosphatase of Saccharomyces cerevisiae, was cloned. Northern hybridizations with the PHO8 DNA as probe indicated that the PHO8 transcript is 1.8 kilobases in length and is more abundant in cells grown in low-phosphate medium than in high-phosphate medium. The pho9 mutant, whose phenotype is defective in the activity of repressible alkaline phosphatase, produced as much of the PHO8 transcript as did the PHO9+ cells. Hence, the PHO9 product should act at the post-transcriptional level. The pho4 mutant could not derepress the PHO8 transcript, whereas the pho80 mutant could, irrespective of the amount of Pi in the medium, as has been suggested by genetic study.

Mol Cell Biol. 1985 January; 5(1): 248-252




This article has been cited by other articles:

  • Campbell, C., Thorsness, P. (1998). Escape of mitochondrial DNA to the nucleus in yme1 yeast is mediated by vacuolar-dependent turnover of abnormal mitochondrial compartments. J. Cell Sci. 111: 2455-2464 [Abstract]  
  • Munsterkotter, M., Barbaric, S., Horz, W. (2000). Transcriptional Regulation of the Yeast PHO8 Promoter in Comparison to the Coregulated PHO5 Promoter. J. Biol. Chem. 275: 22678-22685 [Abstract] [Full Text]  


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