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Revista mexicana de biodiversidad

versión On-line ISSN 2007-8706versión impresa ISSN 1870-3453


MENDOZA-ALMERALLA, Cinthya; BURROWES, Patricia  y  PARRA-OLEA, Gabriela. Chytridiomycosis in amphibians from Mexico: a revision. Rev. Mex. Biodiv. [online]. 2015, vol.86, n.1, pp.238-248. ISSN 2007-8706.

Chytridiomycosis is a disease caused by the fungal pathogen Batrachochytrium dendrobatidis(Bd), which affects the skin of amphibians and may cause death. The decline of amphibian populations as a result of the effect of this pathogen occurred simultaneously in various parts of the world from the early 1980's. In Mexico the epidemic wave of Bdwas identified in the 1970's, which is consistent with the decline of salamander (caudate) populations in the southern part of the country. Our work presents a review of the state of knowledge of chytridiomycosis as a factor in the decline of amphibian populations worldwide and the information gathered until now of the presence of this pathogen in Mexico. To date, there has been infection in 50 Mexican amphibian species that are mainly distributed in the mountainous regions of central and southern Mexico, and was determined that the families Hylidae and Plethodontidae are the most affected. Several authors have suggested that global climate change has played a key role in the occurrence and virulence of Batrachochytriumbecause the temperature increase induces an imbalance in the pathogen-host relationship to increased virulence of Bdand / or increased susceptibility to infection in amphibians. On this matter, we analyzed the reported temperatures of 1964-1989 in areas where the decline of caudates was more drastic. We found no relationship between the decline of salamanders with temperature. However, the international trade, the introduction and displacement of the "bullfrog" Lithobates catesbeianaare important factors for the spread of the pathogen.

Palabras llave : Global climate change; Invasive species; Decline.

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