Genetic Control of Cell Growth and Development in the YeastSaccharomyces cerevisiae: I. Phenotypic Selection of Mutants among Strains of the Peterhof Genetic Collection

Genetic Control of Cell Growth and Development in the YeastSaccharomyces cerevisiae: I.... Results of identifying phenotypes intrinsic to mutations of genes that regulate the activity of the signal transduction pathway of RAS-cyclic adenosinemonophosphate in six strains belonging to the Peterhof genetic collection of the yeast Saccharomyces cerevisiaeare presented: an increase or decrease in the amount of the accumulated glycogen, resistance or sensitivity to heat shock and nitrogen starvation, and the growth and viability in media containing unfermentable carbon sources (potassium acetate, ethanol, and glycerol) at temperatures 30 and 70°C. Collectively these phenotypic characteristics in five examined yeast strains can be interpreted as indicating disturbances in the activity of the RAS/cAMP pathway. However, the discrepancies revealed between cellular phenotypes in these strains and in the strains with a decreased or increased activity of the RAS/cAMP pathway did not allow them to be assigned to a particular functional activity group. The inconsistencies between phenotypes detected in this study may be prerequisites for the identification of new genes responsible for this signal transduction pathway or new mutations in the known genes that determine other phenotypic combinations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Genetic Control of Cell Growth and Development in the YeastSaccharomyces cerevisiae: I. Phenotypic Selection of Mutants among Strains of the Peterhof Genetic Collection

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Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1016617106559
Publisher site
See Article on Publisher Site

Abstract

Results of identifying phenotypes intrinsic to mutations of genes that regulate the activity of the signal transduction pathway of RAS-cyclic adenosinemonophosphate in six strains belonging to the Peterhof genetic collection of the yeast Saccharomyces cerevisiaeare presented: an increase or decrease in the amount of the accumulated glycogen, resistance or sensitivity to heat shock and nitrogen starvation, and the growth and viability in media containing unfermentable carbon sources (potassium acetate, ethanol, and glycerol) at temperatures 30 and 70°C. Collectively these phenotypic characteristics in five examined yeast strains can be interpreted as indicating disturbances in the activity of the RAS/cAMP pathway. However, the discrepancies revealed between cellular phenotypes in these strains and in the strains with a decreased or increased activity of the RAS/cAMP pathway did not allow them to be assigned to a particular functional activity group. The inconsistencies between phenotypes detected in this study may be prerequisites for the identification of new genes responsible for this signal transduction pathway or new mutations in the known genes that determine other phenotypic combinations.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 16, 2004

References

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