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Journal of Clinical Microbiology, Mar 1997, 647-651, Vol 35, No. 3
M Goyal, NA Saunders, JD van Embden, DB Young and RJ Shaw
Mycobacterium tuberculosis isolates from 167 patients attending three
London hospitals were analyzed by two techniques for strain
differentiation. A significant number of isolates that appeared identical
with the recently developed spoligotyping system could be distinguished
from each other by IS6110 restriction fragment length polymorphism
analysis, with the latter technique demonstrating a generally higher level
of discrimination. Spoligotyping, on the other hand, was particularly
useful for analysis of isolates with low IS6110 copy numbers, and use of
the two techniques in tandem provided an optimal approach to the
identification of clusters with epidemiological evidence consistent with
recent transmission. Spoligotyping can be applied directly to clinical
samples by PCR and provides an important tool for the rapid detection of
nosocomial transmission of individual strains.
Copyright © 1997 by the American Society for Microbiology. All rights reserved.
Differentiation of Mycobacterium tuberculosis isolates by spoligotyping and IS6110 restriction fragment length polymorphism
Department of Respiratory Medicine, Imperial College School of Medicine at St. Mary's, London, United Kingdom.
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