Publikationsdatum:
1997-06-13
Beschreibung:
Exposure of the yeast Saccharomyces cerevisiae to high extracellular osmolarity induces the Sln1p-Ypd1p-Ssk1p two-component osmosensor to activate a mitogen-activated protein (MAP) kinase cascade composed of the Ssk2p and Ssk22p MAP kinase kinase kinases (MAPKKKs), the Pbs2p MAPKK, and the Hog1p MAPK. A second osmosensor, Sho1p, also activated Pbs2p and Hog1p, but did so through the Ste11p MAPKKK. Although Ste11p also participates in the mating pheromone-responsive MAPK cascade, there was no detectable cross talk between these two pathways. The MAPKK Pbs2p bound to the Sho1p osmosensor, the MAPKKK Ste11p, and the MAPK Hog1p. Thus, Pbs2p may serve as a scaffold protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Posas, F -- Saito, H -- GM50909/GM/NIGMS NIH HHS/ -- GM53415/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Jun 13;276(5319):1702-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Immunology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9180081" target="_blank"〉PubMed〈/a〉
Schlagwort(e):
Calcium-Calmodulin-Dependent Protein Kinases/*metabolism
;
Enzyme Activation
;
Genes, Fungal
;
Genetic Complementation Test
;
MAP Kinase Kinase Kinases
;
*Mitogen-Activated Protein Kinase Kinases
;
*Mitogen-Activated Protein Kinases
;
Mutation
;
Osmolar Concentration
;
Osmotic Pressure
;
Peptides/metabolism
;
Phosphorylation
;
Protein Kinases/*metabolism
;
Protein-Serine-Threonine Kinases/*metabolism
;
Protein-Tyrosine Kinases/genetics/*metabolism
;
Recombinant Fusion Proteins/metabolism
;
Saccharomyces cerevisiae/*enzymology/genetics
;
*Saccharomyces cerevisiae Proteins
;
Signal Transduction
Print ISSN:
0036-8075
Digitale ISSN:
1095-9203
Thema:
Biologie
,
Chemie und Pharmazie
,
Informatik
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
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