Intact pks 15/1 in non-W-Beijing Mycobacterium tuberculosis isolates.

From: Emerging Infectious Diseases | Date: May 1, 2006| Author: | Copyright information

To determine whether intact pks 15/1 is unique to the W-Beijing family, we investigated 147 Mycobacterium tuberculosis strains with different IS6110 genotypes. Intact pks 15/1 was found in 87.8% of cerebrospinal fluid and 84.9% of sputum isolates. It was found not only in W-Beijing strains ([approximately equal to] 97%) but also in other genotypes (38.5%-100%).

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Two structurally related families of cell envelope lipids, phthiocerol diesters and phenolic glycolipids, are virulence factors of Mycobacterium tuberculosis and M. leprae. They are also produced by ...