Official website of the Johns Hopkins Antibiotic (ABX), HIV, Diabetes, and Psychiatry Guides, powered by Unbound Medicine. Johns Hopkins Guide App for iOS, iPhone, iPad, and Android included. Explore these free sample topics:
-- The first section of this topic is shown below --
- M. celatum: slow growing (3-8 wks to culture). May cause false positive M. tuberculosis direct (MTD) test.
- M. genavense: very slow grower; difficult to grow; alert lab if M. genavense suspected.
- M. haemophilum: slow growing; alert lab if suspected since requires hemin or iron to grow in culture and grows best at 28-30°C.
- M. malmoense: slow growing; most clinical isolates/reports from northern Europe.
- M. mucogenicum: rapidly grows (< 7 days in culture); sporadic contaminant in respiratory samples; water is environmental reservoir. Previously known as M. chelonae-like organism.
- M. simiae: growth may take 4-6 weeks on LJ slants.
- M. szulgai: scotochromagen at 37ºC, and a photochromogen at 25ºC.