- Mycobacterium gilvum
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Mycobacterium gilvum Scientific classification Kingdom: Bacteria Phylum: Actinobacteria Order: Actinomycetales Suborder: Corynebacterineae Family: Mycobacteriaceae Genus: Mycobacterium Species: M. gilvum Binomial name Mycobacterium gilvum
Stanford and Gunthorpe 1971, ATCC 43909Mycobacterium gilvum
Etymology: gilvum, Latin for pale yellow.Contents
Description
Pleomorphic gram-positive, nonmotile and acid-fast rods.
Colony characteristics
- Pale yellow, Scotochromogenic, and smooth pleomorphic colonies.
- Rapid growth on Löwenstein-Jensen medium at 25 °C and 37 °C, but not at 45 °C, within 7 days.
- Resistant to isoniazid, rifampicin, and sodium aminosalicylate.
Differential characteristics
- 5 species-specific antigens, demonstrable in immunodiffusion tests.
Pathogenesis
- Not assumed to be pathogenic.
- Biosafety level 1
Type strain
First isolated from sputum and pleura fluid (London). Strain ATCC 43909 = CCUG 37676 = CIP 106743 = DSM 44503 = JCM 6395 = NCTC 10742.
References
- Stanford,J., G. Gunthorpe. 1971. A study of some fast-growing scotochromogenic mycobacteria including species descriptions of Mycobacterium gilvum (new species) and Mycobacterium duvalii (new species). British Journal of Experimental Pathology, 52, 627-637.] PMID 5002706
Slowly growing
(R1P=photochromogenic;
R2S=scotochromogenic;
R3N=nonchromogenic)Rapidly growing/
Runyon IVM. neoaurum groupF/T groupsM. fortuitum groupM. vaccae groupM. smegmatis groupM. chelonae groupM. elephantis group
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