Mycobacterium yongonense sp nov., a slow-growing non-chromogenic species closely related to Mycobacterium intracellulare
- Authors
- Kim, Byoung-Jun; Math, Renukaradhya K.; Jeon, Che Ok; Yu, Hee-Kyung; Park, Young-Gil; Kook, Yoon-Hoh; Kim, Bum-Joon
- Issue Date
- Jan-2013
- Publisher
- SOC GENERAL MICROBIOLOGY
- Citation
- INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, v.63, no.1, pp 192 - 199
- Pages
- 8
- Journal Title
- INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
- Volume
- 63
- Number
- 1
- Start Page
- 192
- End Page
- 199
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/15013
- DOI
- 10.1099/ijs.0.037465-0
- ISSN
- 1466-5026
1466-5034
- Abstract
- A slow-growing non-chromogenic mycobacterium was isolated from a patient with pulmonary disease. Phenotypically, strain 05-1390(T) was similar to Mycobacterium intracellulare ATCC 13950(T). The 16S rRNA gene sequence (1385 bp) of strain 05-1390(T) showed a high degree of similarity to those of the M. intracellulare complex, namely Mycobacterium marseillense 5351974(T) (100%), M. intracellulare ATCC 13950(T)(99.8%) and Mycobacterium chimaera DSM 44623(T) (99.9%). Phylogenetic analysis based on internal transcribed spacer 1 (ITS1) and the hsp65 gene indicated that strain 05-1390(T) was closely related to M. intracellulare ATCC 13950T, but that it was a distinct phylogenetic entity. Of particular interest, an analysis based on the rpoB gene (701 bp) showed that it is closely related to Mycobacterium parascrofulaceum ATCC BAA-614(T) (994%), a scotochromogenic strain, rather than to the M. intracellulare-related strains. Unique MALDI-TOF MS profiles also supported the taxonomic status of this strain as a distinct species. These data support the conclusion that strain 05-1390(T) represents a novel mycobacterial species, for which the name Mycobacterium yongonense sp. nov. is proposed; the type strain is 05-1390(T) (=DSM 45126(T)=KCTC 19555(T)).
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