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Methods Mol Med. 2004;94:91-106.

Expression cloning.

Author information

1
Corixa Corporation, Seattle, WA, USA.

Abstract

Expression cloning involves the selection of specific polypeptides, generated from a cDNA or genomic DNA library, based on certain characteristics of the expressed proteins, such as antibody or ligand binding, recognition by T-cells, function, or complementation of cell defects. Here we describe the detailed construction of a genomic, random shear lambda expression library, adsorption of anti Escherichia coli antibody from antiserum, the screening of an expression library with specific antisera, and the cloning of genes with potential use in the diagnosis of infectious disease. This approach has been used successfully by our laboratory for the discovery of antigenic components of diagnostics and vaccines for several infectious agents including: Mycobacterium tuberculosis, Anaplasma phagocytophila (formerly Ehrlichia spp. or E. phagocytophila), Babesia microti, Trypanosoma cruzi, Leishmania chagasi, and Chlamydia spp.

PMID:
14959824
[Indexed for MEDLINE]

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