نتایج جستجو برای: recombinant
تعداد نتایج: 110984 فیلتر نتایج به سال:
chaperones are produced by prokaryotic, yeast and higher eukaryotic cells for various purposes. over-expression of each chaperone or sets of them affect the production level of a recombinant protein in the cell. on the basis of this hypothesis, five different plasmids with 5 different combinations of 6 chaperones molecule, transformed into escherichia coli along with human basic fibroblast grow...
after using 3 different generations of antibodies including human and non-human hyperimmune sera, monoclonal antibodies and chimeric antibodies, more recently a newer approach has been developed in which the antibody genes are cloned directly from a patient peripheral b-lymphocytes and expressed in a host like e. coli. in this study the candida albicans serotype a (nctc 3153) mannan was purifie...
background: detection of hepatitis c virus specific antibodies is the initial step in chronic hcv diagnosis. hcv ns4b is among the most immunogenic hcv antigens and has been widely used in commercial enzyme immunoassays (eia). additionally, ns4b, a key protein in the virus replication, can be an alternative target for antiviral therapy.objectives: development of a new method for high-level exp...
bioconversion of cellulosic material into bioethanol needs cellulase complex enzymesthat contain endoglucanase, exoglucanase and beta glucosidase. one of the most important organisms that produce cellulases is the filamentous fungi, trichoderma reesei which able to secrete large amounts of different cellulases. these enzymes are probably the most widely used cellulases industrially, however, th...
background: cd52 is a small glycoprotein with a gpi anchor at its c-terminus. cd52 is expressed by normal and malignant t and b lymphocytes and monocytes. there are detectable amounts of soluble cd52 in plasma of patients with cll and could be used as a tumor marker. although the biological function of cd52 is unknown but it seems that cd52 may be involved in migration and activation of t-cells...
background: various prokaryotic and eukaryotic expression systems have been developed for the production of recombinant proteins. in the present study, we used a new protein expression system based on the iranian lizard leishmania, a trypanosomatid protozoan as a host, for the expression of lpg3 gene from leishmania infantum (l.infantum). methods: the lpg3 gene was cloned in the expression cass...
background: regarding that accurate diagnosis of human hydatidosis still needs more investigations, the present study was conducted to clone, express, and evaluate the gene encoding agb subunits (egagb16 kda) from echinococcus granulosus (iranian g1 strain) and its evaluation by elisa test. methods: dna was extracted from protoscoleces and was utilized by pcr for strain identification. total rn...
background: the optimization of bioprocess conditions towards improved growth profile and productivity yield is considered of great importance in biopharmaceutical manufacturing. peptones as efficient sources of nutrients have been studied for their effect on media development however, their role on metabolic pathway is not well understood. methods: in the present study, the effect of different...
results based on our results, mab against recombinant erns was produced and reacted successfully with recombinant and natural antigens. conclusions with regards to the role of erns in the identification of pi animals, it appears that erns recombinant antigen and the specific monoclonal antibodies produced against it may be suitable for developing bvdv laboratory diagnostic assays. objectives er...
Background and purpose: The 50 KDa protein (50 µg) in carboxylic domain of the neurotoxin heavy chain (BoNT/A-Hc) recognizes surface receptors on target neurons and this fragment contains the principle protective antigenic determinants. Recently, this fragment has been used as a recombinant vaccine candidate for botulism. The study aimed to compare the evaluation of BoNT/A-Hc production in fed-...
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