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Updated: Aug 3, 2026

Generation of Recombinant Human IgG Monoclonal Antibodies from Immortalized Sorted B Cells
Published on: June 5, 2015
A simple method for the production of specific antiserum to protein encoded in cloned genes. Immunization with
A simple technique for raising specific antisera to protein encoded by cloned genes is described. The procedure involves preparation of an antiserum to Escherichia coli beta-galactosidase and the use of that serum to immunoprecipitate a fusion protein in a crossed immunoelectrophoresis gel followed by immunization with fusion protein precipitin arcs. An antiserum was prepared against protein encoded by an open reading frame in a dispersed repeated DNA sequence found in the protozoan Trypanosoma brucei. This serum recognized a polypeptide doublet of 33.5 and 32.5 kDa on immunoblots prepared from extracts of T. brucei. The method described should be applicable to other investigations where an immunochemical reagent against protein encoded by a cloned gene is desired.
A simple technique for raising specific antisera to protein encoded by cloned genes is described. The procedure involves preparation of an antiserum to Escherichia coli beta-galactosidase and the use of that serum to immunoprecipitate a fusion protein in a crossed immunoelectrophoresis gel followed by immunization with fusion protein precipitin arcs. An antiserum was prepared against protein encoded by an open reading frame in a dispersed repeated DNA sequence found in the protozoan Trypanosoma brucei. This serum recognized a polypeptide doublet of 33.5 and 32.5 kDa on immunoblots prepared from extracts of T. brucei. The method described should be applicable to other investigations where an immunochemical reagent against protein encoded by a cloned gene is desired.
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