نتایج جستجو برای: ahpc
تعداد نتایج: 277 فیلتر نتایج به سال:
Investigation of the hippocampus has historically focused on computations within the trisynaptic circuit. However, discovery of important anatomical and functional variability along its long axis has inspired recent proposals of long-axis functional specialization in both the animal and human literatures. Here, we review and evaluate these proposals. We suggest that various long-axis specializa...
The 29 kDa surface protein of Entamoeba histolytica is an abundant antigenic protein expressed by pathogenic strains of this organism. The protein is a member of a widely-dispersed group of homologues which includes at least two cysteinyl peroxidases, Salmonella typhimurium alkyl hydroperoxidase C-22 protein (AhpC) and Saccharomyces cerevisiae thiol-specific antioxidant protein (TSA). Here, for...
Proteins induced by acid or base, during long-term aerobic or anaerobic growth in complex medium, were identified in Escherichia coli. Two-dimensional gel electrophoresis revealed pH-dependent induction of 18 proteins, nine of which were identified by N-terminal sequencing. At pH 9, tryptophan deaminase (TnaA) was induced to a high level, becoming one of the most abundant proteins observed. Tna...
Molecular diagnostic assays, with their ability to rapidly detect resistance-associated mutations in bacterial genes, are promising technologies to control the spread of drug-resistant tuberculosis (DR-TB). Sequencing assays provide detailed information for specific gene regions and can help diagnostic assay developers prioritize mutations for inclusion in their assays. We performed pyrosequenc...
The two components, AhpF and AhpC, of the Salmonella typhimurium alkyl hydroperoxide reductase enzyme system have been overexpressed and purified from Escherichia coli for investigations of their catalytic properties. Recombinant proteins were isolated in high yield (25-33 mg per liter of bacterial culture) and were shown to impart a high degree of protection against killing by cumene hydropero...
Campylobacter jejuni, a microaerophilic foodborne pathogen, inescapably faces high oxygen tension during its transmission to humans. Thus, the ability of C. jejuni to survive under oxygen-rich conditions may significantly impact C. jejuni viability in food and food safety as well. In this study, we investigated the impact of oxidative stress resistance on the survival of C. jejuni under aerobic...
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