Abstract:
:While high-copy-number IS6110-based restriction fragment length polymorphism (HCN-RFLP) is the gold standard for typing most Mycobacterium tuberculosis strains, the time taken for culturing and low throughput make it impractical for large-scale prospective typing of large numbers of isolates. The development of a new method, mycobacterial interspersed repetitive units (MIRU), a variation of the original variable-number tandem repeat (VNTR) technique, may provide a viable alternative. Panels based on the original 12-loci MIRU (12MIRU), a combination of 12MIRU and remaining ETR loci (15MIRU-VNTR), and an extended panel with an additional 10 novel regions (25VNTR) were used to study three populations with varying degrees of epidemiological data. MIRU discrimination increased with panel size and the addition of spoligotyping. Combining these two techniques enabled a reduction in the panel size from 25 to 14 loci without a significant loss in discrimination. However, 25VNTR alone or in combination with spoligotyping still possessed weaker discrimination than RFLP for high-copy-number isolates.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Gopaul KK,Brown TJ,Gibson AL,Yates MD,Drobniewski FAdoi
10.1128/JCM.01428-05subject
Has Abstractpub_date
2006-07-01 00:00:00pages
2492-8issue
7eissn
0095-1137issn
1098-660Xpii
44/7/2492journal_volume
44pub_type
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