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Titolo:
Mycobacterium immunogenum sp nov., a novel species related to Mycobacterium abscessus and associated with clinical disease, pseudo-outbreaks and contaminated metalworking fluids: an international cooperative study on mycobacterial taxonomy
Autore:
Wilson, RW; Steingrube, VA; Bottger, EC; Springer, B; Brown-Elliott, BA; Vincent, V; Jost, KC; Zhang, YS; Garcia, MJ; Chiu, SH; Onyi, GO; Rossmoore, H; Nash, DR; Wallace, RJ;
Indirizzi:
Univ Texas Hlth Ctr, Ctr Pulm & Infect Dis Control, Tyler, TX 75708 USA Univ Texas Hlth Ctr Tyler TX USA 75708 t Dis Control, Tyler, TX 75708 USA Univ Texas Hlth Ctr, Dept Microbiol, Tyler, TX 75708 USA Univ Texas Hlth Ctr Tyler TX USA 75708 ept Microbiol, Tyler, TX 75708 USA Hannover Med Sch, Inst Med Mikrobiol, D-30623 Hannover, Germany Hannover Med Sch Hannover Germany D-30623 iol, D-30623 Hannover, Germany Inst Pasteur, Ctr Natl Reference Mycobacteries, Paris, France Inst Pasteur Paris France r Natl Reference Mycobacteries, Paris, France Texas Dept Hlth, Austin, TX 78756 USA Texas Dept Hlth Austin TX USA 78756Texas Dept Hlth, Austin, TX 78756 USA Univ Autonoma Madrid, Fac Med, Dept Prevent Med, Madrid, Spain Univ Autonoma Madrid Madrid Spain Med, Dept Prevent Med, Madrid, Spain BioSan Labs, Warren, MI USA BioSan Labs Warren MI USABioSan Labs, Warren, MI USA
Titolo Testata:
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
, volume: 51, anno: 2001,
parte:, 5
pagine: 1751 - 1764
SICI:
1466-5026(200109)51:<1751:MISNAN>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
RESTRICTION-ENDONUCLEASE ANALYSIS; RAPIDLY GROWING MYCOBACTERIA; LENGTH POLYMORPHISM ANALYSIS; PERFORMANCE LIQUID-CHROMATOGRAPHY; POLYMERASE-CHAIN-REACTION; STERNAL WOUND INFECTIONS; CHELONAE-LIKE ORGANISM; HEAT-SHOCK PROTEIN; FORTUITUM COMPLEX; HYPERSENSITIVITY PNEUMONITIS;
Keywords:
Mycobacterium immunogenum; rapidly growing mycobacterium; mycobacterium taxonomy; metalworking fluids;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
62
Recensione:
Indirizzi per estratti:
Indirizzo: Wilson, RW Univ Texas Hlth Ctr, Ctr Pulm & Infect Dis Control, 11937 US Hwy 271, Tyler, TX 75708 USA Univ Texas Hlth Ctr 11937 US Hwy 271 Tyler TX USA 75708 708 USA
Citazione:
R.W. Wilson et al., "Mycobacterium immunogenum sp nov., a novel species related to Mycobacterium abscessus and associated with clinical disease, pseudo-outbreaks and contaminated metalworking fluids: an international cooperative study on mycobacterial taxonomy", INT J SY EV, 51, 2001, pp. 1751-1764

Abstract

PCR-restriction enzyme pattern analysis of a 439 bp hsp65 gene segment identified 113 unique isolates among non-pigmented rapidly growing mycobacteria (RGM) from clinical and environmental sources that failed to match currently recognized species patterns. This group represented 40% of isolates recovered from bronchoscope contamination pseudo-outbreaks, 0% of disease-associated nosocomial outbreaks and 4% of routine clinical isolates of the Mycobacterium abscessus/Mycobacterium chelonae group submitted to the Mycobacteria/Nocardia laboratory for identification. It is grouped within the Mycobacterium fortuitum complex, with growth in less than 7 d, absence of pigmentation, positive 3-d arylsulfatase reaction and growth on MacConkey agar without crystal violet. It exhibited overlapping biochemical, antimicrobial susceptibility and HPLC characteristics of M. abscessus and M. chelonae. By 16S rRNA gene sequencing, these isolates comprised a homogeneous group with a unique hypervariable region A sequence and differed by 8 and 10 bp, respectively, from M. abscessus and M. chelonae. Surprisingly, this taxon contained two copies of the ribosomal operon, compared with single copies in the two related species. By DNA-DNA hybridization, this new group exhibited < 30% homology with recognized RGM species. The name Mycobacterium immunogenumsp. nov. is proposed for this new taxon.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 18:59:21