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Related Experiment Video

Updated: Jun 22, 2026

Using Terminal Transferase-mediated dUTP Nick End-labelling (TUNEL) and Caspase 3/7 Assays to Measure Epidermal Cell Death in Frogs with Chytridiomycosis

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Chytridiomycosis in frogs from Uruguay.

Claudio Borteiro¹, Juan Carlos Cruz, Francisco Kolenc

¹Río de Janeiro 4058, CP 12800, Montevideo, Uruguay. borteiro@gmail.com

Diseases of Aquatic Organisms

|May 30, 2009

Summary

This summary is machine-generated.

The fungal disease chytridiomycosis, caused by Batrachochytrium dendrobatidis, has been newly identified in four native Uruguayan amphibian species. Its impact on these populations, particularly declining ones, requires further investigation.

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Area of Science:

Herpetology
Amphibian Pathology
Conservation Biology

Background:

Amphibian chytridiomycosis, caused by the pathogen Batrachochytrium dendrobatidis, is a significant threat to global amphibian populations.
The presence and impact of Batrachochytrium dendrobatidis in South American amphibian communities are not fully understood.
Uruguay's native amphibian fauna faces various environmental pressures, making them potentially vulnerable to emerging diseases.

Purpose of the Study:

To report the first occurrence of amphibian chytridiomycosis in native amphibians in Uruguay.
To identify amphibian species affected by Batrachochytrium dendrobatidis in the surveyed region.
To assess the potential conservation implications of this disease for Uruguayan amphibians.

Main Methods:

Field surveys were conducted to collect amphibian specimens.
Histological examination of tissues was performed to detect the presence of Batrachochytrium dendrobatidis.
Species identification of infected amphibians was carried out.

Main Results:

Histological evidence confirmed the presence of Batrachochytrium dendrobatidis infection in four native Uruguayan amphibian species: Hypsiboas pulchellus, Odontophrynus maisuma, Physalaemus henselii, and Scinax squalirostris.
This represents the first documented report of amphibian chytridiomycosis in Uruguay.
The specific effects and pathology of chytridiomycosis on these newly identified host species remain to be determined.

Conclusions:

The discovery of Batrachochytrium dendrobatidis in Uruguay highlights the ongoing spread of this devastating amphibian disease.
The disease poses a potential conservation concern, especially for Physalaemus henselii, which is apparently declining, and Odontophrynus maisuma, due to its restricted distribution and habitat disturbance.
Further research is crucial to understand the disease's impact on these species and to develop effective conservation strategies.