Mycobacterium malmoense

Mycobacterium malmoense is a Gram-positive bacterium from the genus Mycobacterium.

Etymology

From the city of Malmö, Sweden where the strain used for the description was isolated from patients.

Description

Gram-positive, nonmotile, acid-fast and coccoid to short rods.

Environmental reservoir: soil and water.

Colony characteristics

Smooth and nonpigmented colonies, growth below the surface of semisolid agar medium after deep inoculation (as seen with M. bovis), 0.9 - 1.7mm in diameter.

Physiology

Growth on inspissated egg medium and oleic acid-albumin agar at a temperature range of 22°C-37°C requires over 1 week.

Susceptible to ethambutol, ethionamide, kanamycin and cycloserine.

Differential characteristics

Antigenic structure: seroagglutination demonstrates a single serovar distinct from that of other species.

Pathogenesis

Usually infects young children with cervical lymphadenitis or adults with chronic pulmonary disease, (mostly with previously documented pneumoconiosis).

Rarely causes extrapulmonary diseases and disseminated infections

This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Mycobacterium_malmoense

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Mycobacterium malmoense

Etymology

Description

Pathogenesis

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