نتایج جستجو برای: regulatable expression cassette
تعداد نتایج: 878522 فیلتر نتایج به سال:
Application of exogenously regulatable promoter systems to transgenic models for the study of aging.
Transgenic mouse and gene knockout technologies offer powerful tools for dissecting the roles of specific genes in the process of aging. Tke interpretation of the results of such studies is limited, however, by the fact that the gene of interest of over- or underexpressed throughout the life span of the animal model. Among other problems, this situation makes it difficult to separate the effect...
A gene cassette incorporating the crs-rsd site-specific recombination system from the Salmonella enterica subsp. enterica serovar Dublin virulence plasmid improved the inheritance in S. enterica serotype Typhi strain CVD908-htrA of a multicopy plasmid expression vector. Use of this recombination cassette may improve expression of heterologous antigens from multicopy plasmid expression vectors i...
2006, 80(1):27. DOI: 10.1128/JVI.80.1.27-37.2006. J. Virol. Castro Donna Palmer, Philip Ng, Pedro R. Lowenstein and Maria G. Kurt Kroeger, Hasmik Agadjanian, Lali Medina-Kauwe, F. Curtin, Gwendalyn D. King, Gabriela Jaita, Chunyan Liu, Marianela Candolfi, Jeffrey M. Zirger, Carlos Barcia, James Weidong Xiong, Shyam Goverdhana, Sandra A. Sciascia, Response against Adenoviruses the Brain in the P...
tissue plasminogen activator (tpa) is a serine protease, which is composed of five distinct structural domains with 17 disulfide bonds, representing a model of high-disulfide proteins in human body. one of the most important limitations for high yield heterologous protein production in escherichia coli (e. coli) is the expression of complex proteins with multiple disulfide bridges. in this stud...
BACKGROUND The use of small interfering RNAs (siRNAs) as genetic inhibitors of gene expression has been shown to be an effective way of studying gene function in mammalian cells. Recently, different DNA vectors for expression of small hairpin RNAs (shRNAs) or co-expression of sense and antisense RNAs have been developed that direct siRNA-mediated gene silencing. One expression cassette design t...
Background: Chlamydomonas reinhardtii is a novel recombinant eukaryotic expression system with many advantages including fast growth rate, rapid scalability, absence of human pathogens and the ability to fold and assemble complex proteins accurately, however, obstacle relatively low expression level necessitates optimizing foreign gene expression in this system. The Green Fluorescent Protein (G...
BACKGROUND The lipase subfamilies I.1 and I.2 show more than 33% homology in the amino acid sequences and most members share another common property that their genes are clustered with the secondary genes whose protein products are required for folding the lipase into an active conformation and secretion into the culture medium. In previous studies, the lipase (LipA) and its chaperone (LipB) fr...
A new expression cassette (EC0) consisting of the fused 5' and 3' intergenic regions (IGRs) of the Eremothecium cymbalariae translational elongation factor 1α (EcTEF1) gene was evaluated through expression of the bacterial hygromycin B phosphotransferase (hph) resistance gene in the common baker's yeast Saccharomyces cerevisiae. Progressively shorter versions of the hph-containing EC cassette (...
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