نتایج جستجو برای: exoenzyme s
تعداد نتایج: 711274 فیلتر نتایج به سال:
Exoenzyme S, which had been thought to be unselective, catalyzes the ADP-ribosylation of only a subset of cellular proteins. The intermediate filament protein vimentin is one of the more abundant substrates. Disassembled vimentin, and proteolytic fragments of vimentin that cannot form filaments, is more readily ADP-ribosylated than is filamentous vimentin.
Botulinum C3 exoenzyme specifically ADP-ribosylates a group of ras-related small molecular weight GTP-binding proteins, rho, and inhibits their biological activity. Using this enzyme, we examined the function of rho in PMA-induced activation of lymphocyte function-associated antigen-1 (LFA-1) in a B lymphoblastoid cell line, JY. Northern blot analysis revealed that among the three rho genes, rh...
Pseudomonas aeruginosa utilises a type III secretion system (TTSS) to introduce exoenzyme S and exoenzyme T into host cells to subvert host cell signalling and thereby promote infection. In this study, we have employed the heterologous TTSS of Yersinia to deliver different mutants of ExoT into HeLa cells. Wild-type ExoT and ExoT variants expressing either GAP (GTPase activating protein) or ADP-...
The engineering of microorganisms to produce a variety of extracellular enzymes (exoenzymes), for example for producing renewable fuels and in biodegradation of xenobiotics, has recently attracted increasing interest. Productivity is often reduced by "cheater" mutants, which are deficient in exoenzyme production and benefit from the product provided by the "cooperating" cells. We present a game...
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