First evidence of ranavirus in native and invasive amphibians in Colombia
Ranaviruses can cause mass mortality events in amphibians, thereby becoming a threat to populations that are already facing dramatic declines. Ranaviruses affect all life stages and persist in multiple amphibian hosts. The detrimental effects of ranavirus infections to amphibian populations have already been observed in the UK and in North America. In Central and South America, the virus has been reported in several countries, but the presence of the genus Ranavirus (Rv) in Colombia is unknown. To help fill this knowledge gap, we surveyed for Rv in 60 species of frogs (including one invasive species) in Colombia. We also tested for co-infection with Batrachochytrium dendrobatidis (Bd) in a subset of individuals. For Rv, we sampled 274 vouchered liver tissue samples collected between 2014 and 2019 from 41 localities covering lowlands to mountaintop páramo habitat across the country. Using quantitative polymerase chain reaction (qPCR) and end-point PCR, we detected Rv in 14 individuals from 8 localities, representing 6 species, including 5 native frogs of the genera Osornophryne, Pristimantis and Leptodactylus, and the invasive American bullfrog Rana catesbeiana. Bd was detected in 7 of 140 individuals, with 1 co-infection of Rv and Bd in an R. catesbeiana specimen collected in 2018. This constitutes the first report of ranavirus in Colombia and should set off alarms about this new emerging threat to amphibian populations in the country. Our findings provide some preliminary clues about how and when Rv may have spread and contribute to understanding how the pathogen is distributed globally.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:153 |
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| Enthalten in: |
Diseases of aquatic organisms - 153(2023) vom: 16. Feb., Seite 51-58 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Flechas, Sandra V [VerfasserIn] |
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| Links: |
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| Themen: |
American bullfrog |
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| Anmerkungen: |
Date Completed 17.02.2023 Date Revised 17.02.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3354/dao03717 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM353013560 |
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| 520 | |a Ranaviruses can cause mass mortality events in amphibians, thereby becoming a threat to populations that are already facing dramatic declines. Ranaviruses affect all life stages and persist in multiple amphibian hosts. The detrimental effects of ranavirus infections to amphibian populations have already been observed in the UK and in North America. In Central and South America, the virus has been reported in several countries, but the presence of the genus Ranavirus (Rv) in Colombia is unknown. To help fill this knowledge gap, we surveyed for Rv in 60 species of frogs (including one invasive species) in Colombia. We also tested for co-infection with Batrachochytrium dendrobatidis (Bd) in a subset of individuals. For Rv, we sampled 274 vouchered liver tissue samples collected between 2014 and 2019 from 41 localities covering lowlands to mountaintop páramo habitat across the country. Using quantitative polymerase chain reaction (qPCR) and end-point PCR, we detected Rv in 14 individuals from 8 localities, representing 6 species, including 5 native frogs of the genera Osornophryne, Pristimantis and Leptodactylus, and the invasive American bullfrog Rana catesbeiana. Bd was detected in 7 of 140 individuals, with 1 co-infection of Rv and Bd in an R. catesbeiana specimen collected in 2018. This constitutes the first report of ranavirus in Colombia and should set off alarms about this new emerging threat to amphibian populations in the country. Our findings provide some preliminary clues about how and when Rv may have spread and contribute to understanding how the pathogen is distributed globally | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a American bullfrog | |
| 650 | 4 | |a Biological collections | |
| 650 | 4 | |a Emerging infectious disease | |
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| 700 | 1 | |a Urbina, Jenny |e verfasserin |4 aut | |
| 700 | 1 | |a Crawford, Andrew J |e verfasserin |4 aut | |
| 700 | 1 | |a Gutiérrez, Karen |e verfasserin |4 aut | |
| 700 | 1 | |a Corrales, Katherin |e verfasserin |4 aut | |
| 700 | 1 | |a Castellanos, Luisa A |e verfasserin |4 aut | |
| 700 | 1 | |a González, Mailyn A |e verfasserin |4 aut | |
| 700 | 1 | |a Cuervo, Andrés M |e verfasserin |4 aut | |
| 700 | 1 | |a Catenazzi, Alessandro |e verfasserin |4 aut | |
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