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Mol Microbiol. 1989 Feb;3(2):125-30.

Biochemical and antigenic characterization of the Mycobacterium tuberculosis 71kD antigen, a member of the 70kD heat-shock protein family.

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M.R.C. Tuberculosis and Related Infections Unit, Hammersmith Hospital, London, UK.


A 71 kiloDalton antigen from Mycobacterium tuberculosis is recognized by antibodies and by T lymphocytes during infection (Britton et al., 1986a). Partial sequence analysis indicates a relationship between this antigen and the highly conserved family of 70-kiloDalton heat shock proteins (hsp70) (Young et al., 1988). Biochemical and serological characterization of the protein confirms its membership of the hsp70 gene family, and metabolic labelling demonstrates that it is a major component of the mycobacterial response to heat stress. The role of stress proteins as antigens during infection is discussed.

[Indexed for MEDLINE]

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