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The Transcriptional Response of Yeast to Saline Stress

Open access
Posas, Francesc, Chambers, James R., Heyman, John A., Hoeffler, James P., de Nadal, Eulalia, Ariño, Joaquı́n·2000·Journal of Biological Chemistry

Abstract

Adaptation to changes in extracellular salinity is a critical event for cell survival. Genome-wide DNA chip analysis has been used to analyze the transcriptional response of yeast cells to saline stress. About 7% of the genes encoded in the yeast genome are induced more than 5-fold after a mild and brief saline shock (0.4 m NaCl, 10 min). Interestingly, most responsive genes showed a very transient expression pattern, as mRNA levels dramatically declined after 20 min in the presence of stress. A quite similar set of genes increased expression in cells subjected to higher saline concentrations (0.8 m NaCl), although in this case the response was delayed. Therefore, our data show that cells respond to saline stress by inducing the expression of a very large number of genes and suggest that stress adaptation requires regulation of many cellular aspects. The transcriptional induction of most genes that are strongly responsive to salt stress was highly or fully dependent on the presence of the stress-activated mitogen-activated protein kinase Hog1, indicating that the Hog1-mediated signaling pathway plays a key role in global gene regulation under saline stress conditions.

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Metadata

Authors
Posas, F., Chambers, J. R., Heyman, J. A., Hoeffler, J. P., de Nadal, E., & Ariño, J.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-06
Volume
275
Issue
23
Pages
17249-17255
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2035303243
Cited by
423
References
2
FWCI
8.67
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The Transcriptional Response of Yeast to Saline Stress. https://app.cochat.ai/papers/10.1074/jbc.m910016199
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Posas, F., Chambers, J. R., Heyman, J. A., Hoeffler, J. P., de Nadal, E., & Ariño, J. (2000). The Transcriptional Response of Yeast to Saline Stress. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m910016199

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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