Genotyping of Leptospira interrogans isolates from Mexican patients

Authors

  • Rafael García-González Universidad Nacional Autónoma de México (UNAM), Facultad de Medicina, Departamento de Microbiología y Parasitología https://orcid.org/0000-0002-5428-2379
  • Angélica Reyes-Torres Universidad Nacional Autónoma de México (UNAM), Facultad de Medicina, Departamento de Microbiología y Parasitología
  • María del Rocío Reyes-Montes Universidad Nacional Autónoma de México (UNAM), Facultad de Medicina, Departamento de Microbiología y Parasitología https://orcid.org/0000-0002-3866-9995
  • Esperanza Duarte-Escalante Universidad Nacional Autónoma de México (UNAM), Facultad de Medicina, Departamento de Microbiología y Parasitología https://orcid.org/0000-0002-6315-7860
  • María Guadalupe Frías-De-León Hospital Regional de Alta Especialidad de Ixtapaluca https://orcid.org/0000-0002-3160-8698
  • Beatriz Rivas-Sánchez Hospital General de México
  • Oscar Velasco-Castrejón Hospital General de México

DOI:

https://doi.org/10.1590/s1678-9946201961026

Keywords:

L. interrogans serovar POM, RAPD, UPGMA, Minimum Spanning Networks

Abstract

The aim of this study was genotypically characterize Leptospira sp. clinical isolates from Mexico which were previously identified as Leptospira interrogans serovar Pomona (POM) by phenotypic methods. The Random Amplified Polymorphic DNA (RAPD) method was used for DNA amplification with five oligonucleotides. A dendrogram was constructed using the Unweighted Pair Group Method Analysis (UPGMA). During the genotypic characterization, the studied isolates constituted a group which was associated with the reference strain L. interrogans serovar Pomona. The Minimum Spanning Networks (MST) analysis revealed the same cluster between Mexican isolates and the reference strain POM. Clinical isolates identified as L. interrogans serovar POM have a clonal reproduction type, suggesting that this clone is distributed in different regions of Mexico.

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Published

2019-08-09

Issue

Section

Original Articles

How to Cite

Genotyping of Leptospira interrogans isolates from Mexican patients. (2019). Revista Do Instituto De Medicina Tropical De São Paulo, 61, e26. https://doi.org/10.1590/s1678-9946201961026