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Molecular and serological characterization of Leptospira interrogans serovar Canicola isolated from dogs, swine, and bovine in Brazil
Authors:Fabiana Miraglia  Zenaide M. de Morais  Odir A. Dellagostin  Fabiana K. Seixas  Julio C. Freitas  Francielle G. S. Zacarias  Ádina C. Delbem  Thaís S. P. Ferreira  Gisele O. Souza  Rudy A. Hartskeerl  Silvio A. Vasconcellos  Andrea M. Moreno
Affiliation:1. Faculdade de Medicina Veterinária e Zootecnia, Universidade de S?o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universitária, CEP 05508 270, S?o Paulo/ SP, Brazil
2. Centro de Desenvolvimento Tecnológico - Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
3. Laboratório de Leptospirose Animal, Universidade Estadual de Londrina, Londrina, PR, Brazil
4. WHO/FAO/OIE and National Leptospirosis Reference Centre, KIT Biomedical Research, Royal Tropical Institute, Amsterdam, Netherlands
Abstract:The identification of Leptospira clinical isolates through genotyping and serotyping, besides the recognition of its reservoirs, are important tools for understanding the epidemiology of leptospirosis, and they are also keys for identifying new species and serovars. Fourteen clinical isolates from animals were characterized by means of single enzyme amplified length polymorphism, variable number of tandem repeat analysis, pulsed field gel electrophoresis, and serotyping. All isolates were identified as Leptospira interrogans, serovar Canicola. Infections by this serovar occur in urban regions, where dogs represent the main maintenance hosts, whereas bovine and swine may act as reservoirs of serovar Canicola in rural areas. Both urban and rural aspects of leptospirosis, and the role of domestic animals as maintenance hosts, cannot be neglected in developing and developed countries.
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