1887

Abstract

Analysis with anti- BCG and anti- Ravenel sera, absorption tests with anti-η antibody, and the failure to detect any factor that affected η antigenic activity in BCG or strain H37Ra confirmed the absence of η precipitinogen in BCG and Ravenel. No η-positive strains were found among 7 strains of , 19 representative strains of 15 mycobacterial species other than and , or 13 niacin-negative strains of mycobacteria isolated from patients. However, η activity was detected in all 9 laboratory strains of tested, including virulent and avirulent strains, and in 29 of 30 niacin-positive strains isolated from patients, including 15 strains with single or multiple resistance to seven drugs.

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/content/journal/ijsem/10.1099/00207713-34-4-401
1984-10-01
2019-10-24
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-34-4-401
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