نتایج جستجو برای: protein interaction map
تعداد نتایج: 1870650 فیلتر نتایج به سال:
We study the question of detecting Conserved Protein Interaction Modules (CPIMs) in two protein-protein interaction (PPI) networks. A CPIM contains a pair of groups of interacting proteins, one in each PPI network, that share a high degree of evolutionary conservation. We propose a novel algorithm called GraphHopper that analyzes two PPI networks to find CPIMs. GraphHopper keeps the two PPI net...
Nanobiotechnology has provided promising novel diagnostic and therapeutic strategies which capable to create a broad spectrum of nano-based imaging agents and medicines for human administrations. Several studies have demonstrated that the surface of nanomaterials is immediately coated with suspended proteins after contact with plasma or other biological fluids to form protein corona-nanoparticl...
A goal of systems biology is to build a concrete biochemical network map, which provides an important instruction to trace the pathways of interest or to understand the mechanism of a biological system. In the postgenomic era, not only the concrete biochemical maps, but also postgenomic maps (mRNA coexpression and protein-protein interaction networks) have been extensively produced. In the bioc...
BACKGROUND Genetic screens in Drosophila melanogaster and Caenorhabditis elegans identified the kinase suppressor of Ras, Ksr, as a new component in the Ras intracellular signaling pathway. In these organisms, mutations in Ksr resulted in attenuation of Ras-mediated signaling. Homologs of Ksr have also been isolated from mice and humans; their precise role in Ras signaling is not well defined. ...
An epistasis map (E-MAP) was constructed in the fission yeast, Schizosaccharomyces pombe, by systematically measuring the phenotypes associated with pairs of mutations. This high-density, quantitative genetic interaction map focused on various aspects of chromosome function, including transcription regulation and DNA repair/replication. The E-MAP uncovered a previously unidentified component of...
We have used the two-hybrid system of Fields and Song to identify protein-protein interactions that occur in the pheromone response pathway of the yeast Saccharomyces cerevisiae. Pathway components Ste4p, Ste5p, Ste7p, Ste11p, Ste12p, Ste20p, Fus3p and Kss1p were tested in all pairwise combinations. All of the interactions we detected involved at least one member of the MAP kinase cascade that ...
One of the most intriguing examples of cross talk between signaling systems is the interrelationship between G protein-coupled receptor and growth factor receptor pathways leading to activation of the ERK/MAP kinase phosphorylation cascade. This review focuses on the mechanism of this cross talk, denoting primarily signaling components known to occur in the G protein-coupled receptor branch of ...
Cell interaction with adhesive proteins or growth factors in the extracellular matrix initiates Ras/mitogen-activated protein (MAP) kinase signaling. Evidence is provided that MAP kinase (ERK1 and ERK2) influences the cells' motility machinery by phosphorylating and, thereby, enhancing myosin light chain kinase (MLCK) activity leading to phosphorylation of myosin light chains (MLC). Inhibition ...
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