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Journal of Clinical Microbiology, March 2005, p. 1348-1352, Vol. 43, No. 3
0095-1137/05/$08.00+0 doi:10.1128/JCM.43.3.1348-1352.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
Laboratorio de Micologia, Instituto de Medicina Tropical "Alexander von Humboldt," Universidad Peruana Cayetano Heredia, Lima, Peru,1 Mycology Section, Scientific Institute of Public Health, Brussels,2 Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium3
Received 13 August 2004/ Returned for modification 3 October 2004/ Accepted 18 November 2004
Amplified fragment length polymorphism (AFLP) was used to analyze the genetic diversity of Peruvian strains of Sporothrix schenckii and to compare them to a panel of non-Peruvian strains. AFLP analysis suggests that the Peruvian strains can be divided into two homogeneous clusters with no reference to geographical origin or the clinical form of sporotrichosis. The strains from abroad present heterogeneous profiles, with the Bolivian strain and the Colombian strains related to one of the Peruvian population. Sequencing of internal transcribed spacer 2, used to examine the relationships over a longer distance, confirmed the division of Peruvian strains into two populations that can be identified on the basis of a single but specific sequence divergence. This paper introduces automated AFLP analysis as a valuable tool for further investigation of the epidemiology and ecology of S. schenckii.
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