| Saccharomyces cerevisiae BY4741 and W303-1A laboratory strains differ in salt tolerance. | |
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MedLine Citation:
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PMID: 20960970 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Saccharomyces cerevisiae yeast cells serve as a model to elucidate the bases of salt tolerance and potassium homeostasis regulation in eukaryotic cells. In this study, we show that two widely used laboratory strains, BY4741 and W303-1A, differ not only in cell size and volume but also in their relative plasma-membrane potential (estimated with a potentiometric fluorescent dye diS-C3(3) and as Hygromycin B sensitivity) and tolerance to alkali-metal cations. W303-1A cells and their mutant derivatives lacking either uptake (trk1 trk2) or efflux (nha1) systems for alkali-metal cations are more tolerant to toxic sodium and lithium cations but also more sensitive to higher external concentrations of potassium than BY4741 cells and their mutants. Moreover, our results suggest that though the two strains do not differ in the total potassium content, the regulation of intracellular potassium homeostasis is probably not the same in BY4741 and W303-1A cells. |
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Authors:
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Silvia Petrezselyova; Jaromir Zahradka; Hana Sychrova |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Fungal biology Volume: 114 ISSN: 1878-6146 ISO Abbreviation: Fungal Biol Publication Date: 2010 Feb-Mar |
Date Detail:
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Created Date: 2010-10-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101524465 Medline TA: Fungal Biol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 144-50 Citation Subset: IM |
Affiliation:
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Department of Membrane Transport, Institute of Physiology, Academy of Sciences of the Czech Republic, v.v.i, Videnska 1083, 14220 Prague 4, Czech Republic. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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