نتایج جستجو برای: 4b core protein
تعداد نتایج: 1427655 فیلتر نتایج به سال:
Rat brain tryptophan 5-monooxygenase was activated by incubation with ATP, Mg2+, calmodulin, and micromolar concentrations of Ca2+. The activating activity was resolved into two distinct peaks upon gel filtration on Sepharose CL-6B: one, Ca2+-, calmodulin-dependent protein kinase, and the other, a heat-labile activator protein. The activator protein was purified to apparent homogeneity from rat...
Background and Aims: The hepatitis C virus (HCV) F protein is a recently described, frameshift product of HCV core encoding sequence. Its function and antigenic properties are unknown. In order to assess the presence of antibodies specific for F protein we characterized specific anti-F antibodies in patients with chronic HCV infection. Methods: The F protein was cloned from the HCV genome....
Robust replication of hepatitis C virus (HCV) in cell culture occurs only with the JFH-1 (genotype 2a) recombinant genome. The aim of this study was to develop a system for HCV infection quantification analysis and apply it for the selection of patient sera that may contain cell culture infectious viruses, particularly of the most clinically important genotype 1. Initially, a hepatoma cell line...
Over 90% of the human listeriosis cases are caused by Listeria monocytogenes serotypes 1/2a, 1/2b and 4b strains. As an alternative to antigen-antibody based serotyping, a PCR-based method for serogrouping has been developed and validated. In this communication, we report an in-depth analysis of five 4b variant strains, four clinical isolates from Australia and one environmental isolate from US...
BACKGROUND AND OBJECTIVE Neisseria meningitidis is a leading cause of meningitis and sepsis worldwide. The factor H binding protein (fHBP) is a key virulence factor of Neisseria meningitidis that is able to selectively bind to human factor H, the key regulator of the alternative complement pathway, which it has important implications for meningococcal pathogenesis and vaccine design. The aims o...
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