Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles
Parasites can impact tadpole survival in both lethal and sublethal ways. Sublethal effects include alterations in morphology and behavior, reduced competitive ability, and increased vulnerability to predation, while lethal effects result in direct mortality. These impacts can have significant conseq...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-12-01
|
| Series: | International Journal for Parasitology: Parasites and Wildlife |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213224424001196 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850124412048637952 |
|---|---|
| author | Paula Maria Rosa Murilo de Souza Queiroz Rodolfo Mei Pelinson Luciano A. Anjos Denise de Cerqueira Rossa-Feres |
| author_facet | Paula Maria Rosa Murilo de Souza Queiroz Rodolfo Mei Pelinson Luciano A. Anjos Denise de Cerqueira Rossa-Feres |
| author_sort | Paula Maria Rosa |
| collection | DOAJ |
| description | Parasites can impact tadpole survival in both lethal and sublethal ways. Sublethal effects include alterations in morphology and behavior, reduced competitive ability, and increased vulnerability to predation, while lethal effects result in direct mortality. These impacts can have significant consequences at both individual and population levels, especially given that amphibians host various parasites and pathogens, which may contribute to population declines. This study investigated the influence of digenetic trematodes, specifically Lophosicyadiplostomum sp. and Echinostomatidae metacercariae – larval stages found in second intermediate hosts, on the development and behavior of Physalaemus cuvieri tadpoles. Behavioral experiments assessed tadpole activity (time and movement number), water column use, and food consumption rates using video recordings and image analysis. Swimming performance was evaluated through predation simulations, and tadpole morphology (i.e. body size and mass) was measured post-experimentally. Infections by these digenetic trematodes resulted in a notable reduction in tadpole activity. A negative correlation was observed between Lophosicyadiplostomum sp. parasite load and both tadpole activity duration and movement frequency, indicating a common response to trematode infection. This study underscores the need for further research on digenetic trematodes to determine whether these behavioral modifications represent host manipulation by the parasites, potentially optimizing their transmission to the final host. |
| format | Article |
| id | doaj-art-47cb6d38af7b4125b8b8bd09fe024aff |
| institution | OA Journals |
| issn | 2213-2244 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | International Journal for Parasitology: Parasites and Wildlife |
| spelling | doaj-art-47cb6d38af7b4125b8b8bd09fe024aff2025-08-20T02:34:19ZengElsevierInternational Journal for Parasitology: Parasites and Wildlife2213-22442024-12-012510102310.1016/j.ijppaw.2024.101023Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpolesPaula Maria Rosa0Murilo de Souza Queiroz1Rodolfo Mei Pelinson2Luciano A. Anjos3Denise de Cerqueira Rossa-Feres4Universidade Estadual Paulista “Júlio de Mesquita, Filho”, Instituto de Biociências, Letras e Ciências Exatas, Campus de São José do Rio Preto, Brazil; Corresponding author.Universidade Estadual Paulista “Júlio de Mesquita Filho”, Faculdade de Engenharia, Campus de Ilha Solteira, BrazilUniversidade Estadual de Campinas – UNICAMP, Cidade Universitária “Zeferino Vaz”, BrazilUniversidade Estadual Paulista “Júlio de Mesquita Filho”, Faculdade de Engenharia, Campus de Ilha Solteira, BrazilUniversidade Estadual Paulista “Júlio de Mesquita, Filho”, Instituto de Biociências, Letras e Ciências Exatas, Campus de São José do Rio Preto, BrazilParasites can impact tadpole survival in both lethal and sublethal ways. Sublethal effects include alterations in morphology and behavior, reduced competitive ability, and increased vulnerability to predation, while lethal effects result in direct mortality. These impacts can have significant consequences at both individual and population levels, especially given that amphibians host various parasites and pathogens, which may contribute to population declines. This study investigated the influence of digenetic trematodes, specifically Lophosicyadiplostomum sp. and Echinostomatidae metacercariae – larval stages found in second intermediate hosts, on the development and behavior of Physalaemus cuvieri tadpoles. Behavioral experiments assessed tadpole activity (time and movement number), water column use, and food consumption rates using video recordings and image analysis. Swimming performance was evaluated through predation simulations, and tadpole morphology (i.e. body size and mass) was measured post-experimentally. Infections by these digenetic trematodes resulted in a notable reduction in tadpole activity. A negative correlation was observed between Lophosicyadiplostomum sp. parasite load and both tadpole activity duration and movement frequency, indicating a common response to trematode infection. This study underscores the need for further research on digenetic trematodes to determine whether these behavioral modifications represent host manipulation by the parasites, potentially optimizing their transmission to the final host.http://www.sciencedirect.com/science/article/pii/S2213224424001196Trophic transmissionHost manipulationDigenetic trematodesAnuran tadpoles |
| spellingShingle | Paula Maria Rosa Murilo de Souza Queiroz Rodolfo Mei Pelinson Luciano A. Anjos Denise de Cerqueira Rossa-Feres Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles International Journal for Parasitology: Parasites and Wildlife Trophic transmission Host manipulation Digenetic trematodes Anuran tadpoles |
| title | Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles |
| title_full | Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles |
| title_fullStr | Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles |
| title_full_unstemmed | Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles |
| title_short | Parasite-Driven host manipulation: The case of trematodes in Neotropical tadpoles |
| title_sort | parasite driven host manipulation the case of trematodes in neotropical tadpoles |
| topic | Trophic transmission Host manipulation Digenetic trematodes Anuran tadpoles |
| url | http://www.sciencedirect.com/science/article/pii/S2213224424001196 |
| work_keys_str_mv | AT paulamariarosa parasitedrivenhostmanipulationthecaseoftrematodesinneotropicaltadpoles AT murilodesouzaqueiroz parasitedrivenhostmanipulationthecaseoftrematodesinneotropicaltadpoles AT rodolfomeipelinson parasitedrivenhostmanipulationthecaseoftrematodesinneotropicaltadpoles AT lucianoaanjos parasitedrivenhostmanipulationthecaseoftrematodesinneotropicaltadpoles AT denisedecerqueirarossaferes parasitedrivenhostmanipulationthecaseoftrematodesinneotropicaltadpoles |