Involvement of PHO80 and PHO85 genes in Saccharomyces cerevisiae ion tolerance

Xi Cheng Mao, Yu Lei Xia, Ya Fang Hu, Chang De Lu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

PHO85 is a versatile gene in Saccharomyces cerevisiae, which is involved in metabolism of inorganic phosphate and usage of carbon source, accumulation of glycogen, regulation of protein stability and cell cycle control. The viability of wild type budding yeast strain YPH499 and its derivative pho85Δ mutant, pho80Δ mutant, and pap1 (pcl7)Δ mutant in different cations were investigated and their tolerance to the cations(LC50) was measured. The results showed that the deletion of PHO85 or PHO80 gene both increased sensibility of Sacchromyces cerevisiae to ions K+, Mg2+, Zn2+, Ca2+ and Mn2+, while the deletion of pap1 (pcl7) gene did not lead to such phenotype. The difference between the patterns of relative growth curve of the mutants and wild type strain in the above ions also implied that PHO80 was the unique PCLs in complex with PHO85 CDK, that were contributed to K+ and Mg2+ ion homeostasis control and there were some other PCLs besides PHO80 that were involved in Zn2+, Ca2+ and Mn2+ tolerance regulation as cyclin of PHO85 CDK. Furthermore, the amount of the total cellular calcium of pho85Δ mutant, pho80Δ mutant and YPH499 indicated that the ability of calcium accumulation of pho85Δ mutant and pho80Δ mutant was impaired.

Original languageEnglish (US)
Pages (from-to)86-91
Number of pages6
JournalActa Biochimica et Biophysica Sinica
Volume35
Issue number1
StatePublished - 2003

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Yeast
Saccharomyces cerevisiae
Genes
Ions
Cations
Calcium
Saccharomycetales
Cyclins
Protein Stability
Cell Cycle Checkpoints
Glycogen
Metabolism
Homeostasis
Carbon
Phosphates
Cells
Derivatives
Phenotype
Growth
Proteins

Keywords

  • Metal ion tolerance
  • PHO80
  • PHO85

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics

Cite this

Involvement of PHO80 and PHO85 genes in Saccharomyces cerevisiae ion tolerance. / Mao, Xi Cheng; Xia, Yu Lei; Hu, Ya Fang; Lu, Chang De.

In: Acta Biochimica et Biophysica Sinica, Vol. 35, No. 1, 2003, p. 86-91.

Research output: Contribution to journalArticle

Mao, Xi Cheng ; Xia, Yu Lei ; Hu, Ya Fang ; Lu, Chang De. / Involvement of PHO80 and PHO85 genes in Saccharomyces cerevisiae ion tolerance. In: Acta Biochimica et Biophysica Sinica. 2003 ; Vol. 35, No. 1. pp. 86-91.
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