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Batrachochytrium dendrobatidis and Chytridiomycosis in Anuran Amphibians of Colombia

Batrachochytrium dendrobatidis and Chytridiomycosis in Anuran Amphibians of Colombia In order to investigate the possible presence of the chytrid fungus Batrachochytrium dendrobatidis (Chytridiomycota: Chytridiales) in frogs (Amphibia: Anura) of Colombia, we made a retrospective examination of formalin-fixed specimens preserved in natural history collections. Using the staining technique of hematoxylin and eosin to identify B. dendrobatidis in histological slices, we found evidence of the fungus in 3 of the 53 frog species examined from a total of 672 specimens collected in 17 departments within Colombia between 1968 and 2006. The infected specimens were found dead or dying in recent years in high elevation sites, suggesting that chytridiomycosis (the disease caused by the fungus) may represent a significant threat to Colombian amphibians. We conclude that a more extensive search for B. dendrobatidis in museum specimens and wild-caught frogs should be undertaken as soon as possible, using both histological and molecular genetic techniques, in order to further characterize the geographic and taxonomic extent of infections of B. dendrobatidis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png EcoHealth Springer Journals

Batrachochytrium dendrobatidis and Chytridiomycosis in Anuran Amphibians of Colombia

EcoHealth , Volume 5 (1) – Feb 17, 2008

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References (36)

Publisher
Springer Journals
Copyright
Copyright © 2008 by International Association for Ecology and Health
Subject
Medicine & Public Health; Public Health; Environmental Health; Ecosystems; Microbiology; Animal Ecology; Water and Health
ISSN
1612-9202
eISSN
1612-9210
DOI
10.1007/s10393-008-0159-z
pmid
18648794
Publisher site
See Article on Publisher Site

Abstract

In order to investigate the possible presence of the chytrid fungus Batrachochytrium dendrobatidis (Chytridiomycota: Chytridiales) in frogs (Amphibia: Anura) of Colombia, we made a retrospective examination of formalin-fixed specimens preserved in natural history collections. Using the staining technique of hematoxylin and eosin to identify B. dendrobatidis in histological slices, we found evidence of the fungus in 3 of the 53 frog species examined from a total of 672 specimens collected in 17 departments within Colombia between 1968 and 2006. The infected specimens were found dead or dying in recent years in high elevation sites, suggesting that chytridiomycosis (the disease caused by the fungus) may represent a significant threat to Colombian amphibians. We conclude that a more extensive search for B. dendrobatidis in museum specimens and wild-caught frogs should be undertaken as soon as possible, using both histological and molecular genetic techniques, in order to further characterize the geographic and taxonomic extent of infections of B. dendrobatidis.

Journal

EcoHealthSpringer Journals

Published: Feb 17, 2008

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