Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions
Cercarial activity and survival are crucial traits for the transmission of trematodes. Temperature is particularly important, as faster depletion of limited cercarial energy reserves occurs at high temperatures. Seasonal climate conditions in high latitude regions may be challenging to complete trem...
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Online Access: | https://hdl.handle.net/10037/24369 https://doi.org/10.1017/S0031182021002006 |
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ftunivtroemsoe:oai:munin.uit.no:10037/24369 2023-05-15T18:28:13+02:00 Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions Born-Torrijos, Ana Van Beest, Gabrielle S. Vyhlídalová, Tereza Knudsen, Rune Kristoffersen, Roar Amundsen, Per-Arne Thieltges, David W. Soldánová, Miroslava 2021-11-11 https://hdl.handle.net/10037/24369 https://doi.org/10.1017/S0031182021002006 eng eng Cambridge University Press Parasitology Norges forskningsråd: 213610 Born-Torrijos, Van Beest, Vyhlídalová, Knudsen, Kristoffersen, Amundsen, Thieltges, Soldánová. Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions. Parasitology. 2021 FRIDAID 1963690 doi:10.1017/S0031182021002006 0031-1820 1469-8161 https://hdl.handle.net/10037/24369 embargoedAccess Copyright 2021 The Author(s) Journal article Tidsskriftartikkel Peer reviewed acceptedVersion 2021 ftunivtroemsoe https://doi.org/10.1017/S0031182021002006 2022-03-16T23:58:04Z Cercarial activity and survival are crucial traits for the transmission of trematodes. Temperature is particularly important, as faster depletion of limited cercarial energy reserves occurs at high temperatures. Seasonal climate conditions in high latitude regions may be challenging to complete trematode life cycle during the 6-month ice-free period, but temperature effects on the activity and survival of freshwater cercariae have not been previously identified. After experimentally simulating natural subarctic conditions during warmer and colder months (13 and 6°C), a statistical approach identifying changes in the tendency of cercarial activity loss and mortality data was used to detect differences in three trematode genera, represented by four taxa ( Diplostomum spp., Apatemon spp., small- and large-sized Plagiorchis spp.). A strong temperature-dependent response was identified in both activity loss and mortality in all taxa, with Diplostomum spp. cercariae showing the most gradual changes compared to other taxa. Furthermore, whilst activity loss and mortality dynamics could not be divided into ‘fish- vs invertebrate-infecting cercariae’ groups, the detected taxa-specific responses in relation to life-history traits indicate the swimming behaviour of cercariae and energy allocation among larvae individuals as the main drivers. Cercariae exploit the short transmission window that allows a stable continuance of trematodes’ life cycles in high-latitude freshwater ecosystems. Article in Journal/Newspaper Subarctic University of Tromsø: Munin Open Research Archive Parasitology 149 4 457 468 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
description |
Cercarial activity and survival are crucial traits for the transmission of trematodes. Temperature is particularly important, as faster depletion of limited cercarial energy reserves occurs at high temperatures. Seasonal climate conditions in high latitude regions may be challenging to complete trematode life cycle during the 6-month ice-free period, but temperature effects on the activity and survival of freshwater cercariae have not been previously identified. After experimentally simulating natural subarctic conditions during warmer and colder months (13 and 6°C), a statistical approach identifying changes in the tendency of cercarial activity loss and mortality data was used to detect differences in three trematode genera, represented by four taxa ( Diplostomum spp., Apatemon spp., small- and large-sized Plagiorchis spp.). A strong temperature-dependent response was identified in both activity loss and mortality in all taxa, with Diplostomum spp. cercariae showing the most gradual changes compared to other taxa. Furthermore, whilst activity loss and mortality dynamics could not be divided into ‘fish- vs invertebrate-infecting cercariae’ groups, the detected taxa-specific responses in relation to life-history traits indicate the swimming behaviour of cercariae and energy allocation among larvae individuals as the main drivers. Cercariae exploit the short transmission window that allows a stable continuance of trematodes’ life cycles in high-latitude freshwater ecosystems. |
format |
Article in Journal/Newspaper |
author |
Born-Torrijos, Ana Van Beest, Gabrielle S. Vyhlídalová, Tereza Knudsen, Rune Kristoffersen, Roar Amundsen, Per-Arne Thieltges, David W. Soldánová, Miroslava |
spellingShingle |
Born-Torrijos, Ana Van Beest, Gabrielle S. Vyhlídalová, Tereza Knudsen, Rune Kristoffersen, Roar Amundsen, Per-Arne Thieltges, David W. Soldánová, Miroslava Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
author_facet |
Born-Torrijos, Ana Van Beest, Gabrielle S. Vyhlídalová, Tereza Knudsen, Rune Kristoffersen, Roar Amundsen, Per-Arne Thieltges, David W. Soldánová, Miroslava |
author_sort |
Born-Torrijos, Ana |
title |
Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
title_short |
Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
title_full |
Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
title_fullStr |
Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
title_full_unstemmed |
Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
title_sort |
taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions |
publisher |
Cambridge University Press |
publishDate |
2021 |
url |
https://hdl.handle.net/10037/24369 https://doi.org/10.1017/S0031182021002006 |
genre |
Subarctic |
genre_facet |
Subarctic |
op_relation |
Parasitology Norges forskningsråd: 213610 Born-Torrijos, Van Beest, Vyhlídalová, Knudsen, Kristoffersen, Amundsen, Thieltges, Soldánová. Taxa-specific activity loss and mortality patterns in freshwater trematode cercariae under subarctic conditions. Parasitology. 2021 FRIDAID 1963690 doi:10.1017/S0031182021002006 0031-1820 1469-8161 https://hdl.handle.net/10037/24369 |
op_rights |
embargoedAccess Copyright 2021 The Author(s) |
op_doi |
https://doi.org/10.1017/S0031182021002006 |
container_title |
Parasitology |
container_volume |
149 |
container_issue |
4 |
container_start_page |
457 |
op_container_end_page |
468 |
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1766210592089047040 |