Body length of Hylodes cf. ornatus and Lithobates catesbeianus tadpoles, depigmentation of mouthparts, and presence of Batrachochytrium dendrobatidis are related

A fungal pathogen Batrachochytrium dendrobatidis (Bd), which can cause morbidity and death of anurans, has affected amphibian populations on a worldwide basis. Availability of pure cultures of Bd isolates is essential for experimental studies to understand the ecology of this pathogen. We evaluated...

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Published inBrazilian journal of biology Vol. 73; no. 1; pp. 195 - 199
Main Authors Vieira, C A, Toledo, L F, Longcore, J E, Longcore, J R
Format Journal Article
LanguageEnglish
Portuguese
Published Brazil Instituto Internacional de Ecologia 01.02.2013
Subjects
Animals
Anura - microbiology
BIOLOGY
Chytridiomycota - isolation & purification
Hypopigmentation - microbiology
Larva - microbiology
Mouth - microbiology
Mycoses - diagnosis
Mycoses - microbiology
Mycoses - veterinary
tadpole
Lithobates catesbeianus
depigmentation
despigmentação
Hylodes cf. ornatus
girino
Batrachochytrium dendrobatidis
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Summary:A fungal pathogen Batrachochytrium dendrobatidis (Bd), which can cause morbidity and death of anurans, has affected amphibian populations on a worldwide basis. Availability of pure cultures of Bd isolates is essential for experimental studies to understand the ecology of this pathogen. We evaluated the relationships of body length of Hylodes cf. ornatus and Lithobates catesbeianus tadpoles to depigmentation of mouthparts and determined if dekeratinization indicated an infection by Batrachochytrium dendrobatidis. A strong association existed for both species, one from South America (Brazil: São Paulo) and one from North America (USA: Maine). We believe it prudent not to kill adult amphibians if avoidable, thus obtaining tissue for isolating Bd from tadpoles is reasonable because infected specimens of some species can be selectively collected based on depigmentation of mouthparts.
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ISSN:1519-6984
1678-4375
1678-4375
1519-6984
DOI:10.1590/S1519-69842013000100021