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Journal of Clinical Microbiology, Jul 1995, 1716-1719, Vol 33, No. 7
C Valsangiacomo, F Baggi, V Gaia, T Balmelli, R Peduzzi and JC Piffaretti
A novel method for molecular typing of organisms, amplified fragment length
polymorphism analysis, was tested for its suitability in epidemiological
studies in medical microbiology. Amplified fragment length polymorphism
analysis, originally developed for typing crop plants, consists of a simple
restriction-ligation reaction and a subsequent PCR amplification. In a
single-step reaction, the genomic DNA is digested and the restriction
fragments are ligated to specially constructed adapters. PCR amplification
of such tagged restriction fragments with primers complementary to the
adapters allows the detection of restriction fragment length polymorphisms
upon resolution on agarose gels. The method is fast, efficient, and
reproducible for typing strains of Legionella pneumophila isolated from
both humans and the environment. The accuracy of the method was tested by
comparison with standard restriction fragment length polymorphism typing
performed with both a ribosomal and a genomic probe.
Copyright © 1995 by the American Society for Microbiology. All rights reserved.
Use of amplified fragment length polymorphism in molecular typing of Legionella pneumophila and application to epidemiological studies
Istituto Cantonale Batteriosierologico, Lugano, Switzerland.
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