نتایج جستجو برای: recombinant h2b antigen
تعداد نتایج: 301159 فیلتر نتایج به سال:
The gene encoding a 19-kDa antigen from Mycobacterium tuberculosis was expressed as a recombinant protein in the rapid-growing species Mycobacterium smegmatis. The recombinant antigen was expressed at a level approximately ninefold higher than in M. tuberculosis and, like the native antigen, was found in the pellet fraction after high-speed centrifugation of bacterial extracts. The 19-kDa antig...
background and objectives: hbha and mtb32c have been isolated from culture supernatants of mycobacterium tu- berculosis (m. tuberculosis) and mycobacterium bovis (m. bovis) and their immunogenicity previously studies have been confirmed. in this study, capability of constructed vector containing two mycobacterial immunodaminant antigens (mt- b32c-hbha), in producing new chimeric protein under t...
Introduction: Toxoplasma gondii (T. gondii) is distributed worldwide and infects most species. The serious incidence and severe or fatal injury caused by T. gondii infection clearly indicates the necessity for the event of a vaccine. The current study goals were to evaluate serological applications of Toxoplasma gondiirhoptry protein 1 (ROP1) ...
background : toxoplasma gondii is an obligate intracellular protozoan parasite, capable of infecting all species of mammals including man. congenital toxoplasmosis is more important during pregnancy for the first time. in this study we expressed and purified p43 toxoplasma gondii tachyzoite and bradyzoite specific surface antigen. methods : the recombinant pgemex-1 contained toxoplasma p43 codi...
Abstract Background and purpose: Clostridium botulinum neurotoxins are the most potent toxins that cause the life-threatening botulism syndrome in humans and animals. Researches have shown that the binding domain of the botulinum neurotoxin type E has a high immunogenicity effect that could be used as an efficient recombinant vaccine. The recombinant vaccines are not potent enough to stimulate...
Covalent modification of histones by ubiquitylation is a prominent epigenetic mark that features in a variety of chromatin-based events such as histone methylation, gene silencing, and repair of DNA damage. The prototypical example of histone ubiquitylation is that of histone H2B in Saccharomyces cerevisiae. In this case, attachment of ubiquitin to lysine 123 (K123) of H2B is important for regu...
conclusions based on the findings, application of recombinant arcaga antigen for the detection of h. pylori infection is a simple, rapid, and brief non-invasive method. therefore, it can be suggested as an appropriate antigen for h. pylori detection kits. results we investigated caga protein, using the immunoblotting method in stool samples, which were already identified as positive by the appl...
Introduction: Plant ribosome inactivating proteins act as N-glycosidase enzyme and produce by several family of Caryophyllaceae such as Saponaria Officinalis. Different Isoforms of RIPs expressed by Saponaria Officinalis. SO6 isoform depurinate Adenine 4324 in the conserved GAGA loop of 28SrRNA and disrupts protein synthesis. The aim of this study was expression of SO6 isoform in E.coli and inv...
IFI16 (gamma-interferon-inducible protein 16), a predominantly nuclear protein involved in transcriptional regulation, also functions as an innate immune response DNA sensor and induces the IL-1β and antiviral type-1 interferon-β (IFN-β) cytokines. We have shown that IFI16, in association with BRCA1, functions as a sequence independent nuclear sensor of episomal dsDNA genomes of KSHV, EBV and H...
Histone H2B monoubiquitination is a key histone modification that has significant effects on chromatin higher-order structure and gene transcription. Multiple biological processes have been suggested to be tightly related to the dynamics of H2B monoubiquitination. However, a comprehensive understanding of biological roles of H2B monoubiquitination is still poorly understood. In the present stud...
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