期刊
EMERGING INFECTIOUS DISEASES
卷 16, 期 2, 页码 272-280出版社
CENTERS DISEASE CONTROL
DOI: 10.3201/eid1602.091032
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资金
- UK Department of Health
To inform development of tuberculosis (TB) control strategies, we characterized a total of 2,261 Mycobacterium tuberculosis complex isolates by using multiple phenotypic and molecular markers, including polymorphisms in repetitive sequences (spoligotyping and variable-number tandem repeats [VNTRs]) and large sequence and single-nucleotide polymorphisms. The Beijing family was strongly associated with multidrug resistance (p = 0.0001), and VNTR allelic variants showed strong associations with spoligotyping families: >= 5 copies at exact tandem repeat (ETR) A, >= 2 at mycobacterial interspersed repetitive unit 24, and >= 3 at ETR-B associated with the East African-Indian and M. bovis strains. All M. tuberculosis isolates were differentiated into 4 major lineages, and a maximum parsimony tree was constructed suggesting a more complex phylogeny for M. africanum. These findings can be used as a model of pathogen global diversity.
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