نتایج جستجو برای: raft
تعداد نتایج: 5927 فیلتر نتایج به سال:
The hexose-proton symporter HUP1 shows a spotty distribution in the plasma membrane of the green alga Chlorella kessleri. Chlorella cannot be transformed so far. To study the membrane localization of the HUP1 protein in detail, the symporter was fused to green fluorescent protein (GFP) and heterologously expressed in Saccharomyces cerevisiae and Schizosaccharomyces pombe. In these organisms, th...
Fungal sphingolipids contain ceramide with a very-long-chain fatty acid (C26). To investigate the physiological significance of the C26-substitution on this lipid, we performed a screen for mutants that are synthetically lethal with ELO3. Elo3p is a component of the ER-associated fatty acid elongase and is required for the final elongation cycle to produce C26 from C22/C24 fatty acids. elo3delt...
T-cell activation is initiated by the concerted engagement of the T-cell receptor and different co-stimulatory molecules, and requires cytoskeleton-dependent membrane dynamics. Here, we have studied the relationships between tetraspanins, cytoskeleton and raft microdomains, and their relevance in T-cell signaling. Localization studies and density-gradient flotation experiments indicate that par...
The ALP (alkyl-lysophospholipid) edelfosine (1-O-octadecyl-2-O-methyl-rac-glycero-3-phosphocholine; Et-18-OCH3) induces apoptosis in S49 mouse lymphoma cells. To this end, ALP is internalized by lipid raft-dependent endocytosis and inhibits phosphatidylcholine synthesis. A variant cell-line, S49AR, which is resistant to ALP, was shown previously to be unable to internalize ALP via this lipid ra...
Abstract In today’s time, construction is the main key for development of any nation, but land resources are getting deplete. Thus, on compressible soil left as a choice. Stone columns or granular piles (GPs) broadly used to advance bearing capacity crummy ground and lessen displacement constructionserected them. GP most efficient cheap improvement. Analysis single partially strengthened (SPS) ...
Social organisms can surmount many ecological challenges by working collectively. An impressive example of such collective behavior occurs when ants physically link together into floating 'rafts' to escape from flooded habitat. However, raft formation may represent a social dilemma, with some positions posing greater individual risks than others. Here, we investigate the position and function o...
Addition of exogenous ceramide causes a significant displacement of cholesterol in lipid raft model membranes. However, whether ceramide-induced cholesterol displacement is sufficient to alter the protein composition of caveolin-enriched lipid raft membranes is unknown. Therefore, we examined whether increasing endogenous ceramide levels with bacterial sphingomyelinase (bSMase) depleted cholest...
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