Most human isolates of Mycobacterium avium Mav-A and Mav-B are strong producers of hemolysin, a putative virulence factor.

J Clin Microbiol

Dipartimento di Patologia Sperimentale, Biotecnologie Mediche, Infettivologia, ed Epidemiologia, Università di Pisa, I-56127 Pisa, Italy.

Published: December 2003

Hemolysin was quantified in 58 isolates of Mycobacterium avium from human, animal, and environmental sources. Human Mav-A and Mav-B isolates were the strongest producers; in contrast, animal and environmental Mav-A isolates and human, animal, and environmental Mav-C organisms were low-level producers. Hemolysin production was not restricted to isolates causing invasive infections.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC308984PMC
http://dx.doi.org/10.1128/JCM.41.12.5738-5740.2003DOI Listing

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