New wildlife hosts of Leptospira interrogans in Campeche, Mexico

Rev Inst Med Trop Sao Paulo. 2015 Mar-Apr;57(2):181-3. doi: 10.1590/S0036-46652015000200015.

Abstract

Leptospira interrogans has been identified to cause leptospirosis, a widespread zoonotic disease that has been identified in domestic and wild animals. This work analyzed kidneys from two species of wild rodents from the state of Campeche, Mexico. Analyses were made by PCR using specific primers for detection of Leptospira interrogans DNA. The rodent species that tested positive were Heteromys gaumeri and Ototylomys phyllotis, both of which are new hosts for the bacteria in Southeastern Mexico. These records provide new insights into the disease's transmission that should be studied carefully in order to identify other potential host species, including humans, which are at risk of becoming infected if they are in contact with infected wildlife.

Lepstospira interrogans ha sido identificada como uno de los agentes causantes de la leptospirosis, una zoonosis ampliamente distribuida, la cual se ha identificado en numerosos animales domésticos y silvestres. En este trabajo se analizaron los riñones de dos especies de roedores silvestres procedentes del estado de Campeche, México mediante la técnica de PCR con iniciadores específicos para la detección de DNA de Leptospira interrogans. Las especies de roedores que resultaron positivas corresponden a Heteromys gaumeri y Ototylomys phyllotis, ambas representan nuevos registros de huéspedes para la bacteria en el sureste de México. Estos nuevos huéspedes deberán ser estudiados cuidadosamente con el fin de determinar la posibilidad de que otras especies de animales, y en particular los humanos, entren en contacto con el patógeno presente en animales silvestres.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • DNA, Bacterial / genetics
  • Disease Reservoirs / classification*
  • Disease Reservoirs / microbiology
  • Host Specificity
  • Kidney / microbiology*
  • Leptospira interrogans / genetics*
  • Mexico
  • Polymerase Chain Reaction

Substances

  • DNA, Bacterial