Cloning of the gene encoding a 22-kilodalton cell surface antigen of Mycobacterium bovis BCG and analysis of its potential for DNA vaccination against tuberculosis.

Last updated on 22-8-2019 by Anonymous (not verified)

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English

Abstract:

Using spleen cells from mice vaccinated with live Mycobacterium bovis BCG, we previously generated three monoclonal antibodies reactive against a 22-kDa protein present in mycobacterial culture filtrate (CF) (K. Huygen et al., Infect. Immun. 61:2687-2693, 1993). These monoclonal antibodies were used to screen an M. bovis BCG genomic library made in phage lambdagt11. The gene encoding a 233-amino-acid (aa) protein, including a putative 26-aa signal sequence, was isolated, and sequence analysis indicated that the protein was 98% identical with the M. tuberculosis Lppx protein and that it cont…

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