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Differential immunogenicity of novel Mycobacterium tuberculosis antigens derived from live and dead bacilli

Amara, RR and Satchidanandam, V (1997) Differential immunogenicity of novel Mycobacterium tuberculosis antigens derived from live and dead bacilli. In: Infection and Immunity, 65 (11). pp. 4880-4882.

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Abstract

Mouse serum raised against killed antigen preparations of Mycobacterium tuberculosis failed to recognize most of the recombinant antigens of M. tuberculosis that were originally identified by reactivity to tuberculosis (TB) patient sera. Similar results were obtained with serum from guinea pigs immunized with live and killed mycobacteria. Antibodies raised against seven random TB patient serum-reactive antigens detected each of these antigens in the sonicate preparation. The nucleotide sequences of the genes for these seven antigens revealed that all represented hitherto unreported genes of M. tuberculosis. Our results suggest differential presentation to the host immune system of the same antigens derived from live and killed mycobacteria.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Society for Microbiology.
Department/Centre: Division of Biological Sciences > Molecular Reproduction, Development & Genetics (formed by the merger of DBGL and CRBME)
Date Deposited: 18 Mar 2009 11:53
Last Modified: 29 Jun 2011 06:48
URI: http://eprints.iisc.ernet.in/id/eprint/18860

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