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Items: 2

1.

Transcriptomic changes induced in yeast cells by the lack of potassium in the medium

(Submitter supplied) Potassium is the major intracellular cation in S. cerevisiae, which can be concentrated up to 200-300 mM even from relatively low potassium (< 1 mM) environments. This is achieved by mean of a high affinity K+-transport system encoded by the genes TRK1 and TRK2. Recently, our group became interested in the effects of sudden shortage of extracellular potassium. Transcriptomic analysis indicates that lack of potassium drastically alters sulfur metabolism (mainly Met and Cys metabolism), triggers an oxidative stress response and activates the mitochondrial retrograde pathway. more...
Organism:
Saccharomyces cerevisiae
Type:
Expression profiling by array
Platform:
GPL4069
18 Samples
Download data: GPR
Series
Accession:
GSE24712
ID:
200024712
2.

Transcriptomic profile of yeast cells lacking the high affinity K+-transport system

(Submitter supplied) Potassium is the major intracellular cation in S. cerevisiae, which can be concentrated up to 200-300 mM even from relatively low potassium (< 1 mM) environments. This is achieved by mean of a high affinity K+-transport system encoded by the genes TRK1 and TRK2. Recently, our group became interested in the effects of sudden shortage of extracellular potassium. Transcriptomic analysis indicates that lack of potassium drastically alters sulfur metabolism (mainly Met and Cys metabolism), triggers an oxidative stress response and activates the mitochondrial retrograde pathway. more...
Organism:
Saccharomyces cerevisiae
Type:
Expression profiling by array
Platform:
GPL4069
4 Samples
Download data: GPR
Series
Accession:
GSE24711
ID:
200024711

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