Mycolicibacter arupensis
Mycolicibacter arupensis (formerly Mycobacterium arupense) is a slowly growing mycobacterium first isolated from soil and human sputum samples in Spain.[1] Etymology: arupense, pertaining to the ARUP Institute for Clinical and Experimental Pathology, where the type strain was characterized.
| Mycolicibacter arupensis | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Actinomycetota |
| Class: | Actinomycetia |
| Order: | Mycobacteriales |
| Family: | Mycobacteriaceae |
| Genus: | Mycolicibacter |
| Species: | M. arupensis |
| Binomial name | |
| Mycolicibacter arupensis | |
| Type strain[3] | |
| AR30097 ATCC BAA-1242 DSM 44942 | |
| Synonyms[2] | |
| |
Description
Microscopy
- Gram-positive, nonmotile and acid-fast rods (1–3 µm × 0.5–0.7 µm), mostly strong acid-fast.
Colony characteristics
- Colonies are eugonic, rough and nonpigmented.
Physiology
- Colonies occur within 5 days at 30 °C (optimum temperature, no growth at 45 °C) on Löwenstein-Jensen medium and on Middlebrook 7H10 agar and slowly (10–12 days) at 37 °C; no growth occurs at 42 °C.
- No growth on MacConkey agar without crystal violet.
- The type strain is resistant to D-cycloserine, streptomycin, isoniazid (0.1 and 1 mg/L), rifampin, and thiacetazone and is susceptible to isoniazid (10 mg/L), kanamycin, and capreomycin.
Pathogenesis
There are emerging reports of human pathogenesis caused by M. arupensis. Pulmonary infection and tenosynovitis have been documented. A recent case of recurrent soft tissue abscess caused by M. arupensis has been identified.
References
- Cloud JL, Meyer JJ, Pounder JI, Jost KCJ, Sweeney A, Carroll KC, Woods GL. (2006). "Mycobacterium arupense sp. nov., a non-chromogenic bacterium isolated from clinical specimens". Int J Syst Evol Microbiol. 56 (6): 1413–1418. doi:10.1099/ijs.0.64194-0. PMID 16738122.
- Gupta, Radhey S.; Lo, Brian; Son, Jeen (2018-02-13). "Phylogenomics and Comparative Genomic Studies Robustly Support Division of the Genus Mycobacterium into an Emended Genus Mycobacterium and Four Novel Genera". Frontiers in Microbiology. 9: 67. doi:10.3389/fmicb.2018.00067. ISSN 1664-302X. PMC 5819568. PMID 29497402.
- Euzéby JP, Parte AC. "Mycolicibacter arupensis". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved June 26, 2022.
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External links
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