Niacin-positive Mycobacterium kansasii isolated from immunocompromised patients. |
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| Authors: | I Nachamkin R R MacGregor J L Staneck A Y Tsang J C Denner M Willner S Barbagallo |
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| Affiliation: | Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia 19104. |
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| Abstract: | ![]()
Niacin-positive Mycobacterium kansasii was isolated from three patients, two with respiratory infections and one with a perirectal abscess. The isolates were phenotypically similar to other strains of M. kansasii, differing only in their ability to produce niacin. This phenotype has been reported only twice in the literature, during the 1960s. |
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