Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal

Abstract Species with effective thermal adaptation mechanisms allowing them to thrive within a wide temperature range can benefit from climatic changes as they can displace highly specialized species. Here, we studied the adaptive capabilities of the Baikal endemic amphipods Eulimnogammarus verrucos...

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Autores principales:	Kseniya Vereshchagina, Elizaveta Kondrateva, Andrei Mutin, Lena Jakob, Daria Bedulina, Ekaterina Shchapova, Ekaterina Madyarova, Denis Axenov-Gribanov, Till Luckenbach, Hans-Otto Pörtner, Magnus Lucassen, Maxim Timofeyev
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0ce36523d971498cb79e51ab8c500323
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spelling	oai:doaj.org-article:0ce36523d971498cb79e51ab8c5003232021-12-02T16:51:04ZLow annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal10.1038/s41598-021-89581-x2045-2322https://doaj.org/article/0ce36523d971498cb79e51ab8c5003232021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89581-xhttps://doaj.org/toc/2045-2322Abstract Species with effective thermal adaptation mechanisms allowing them to thrive within a wide temperature range can benefit from climatic changes as they can displace highly specialized species. Here, we studied the adaptive capabilities of the Baikal endemic amphipods Eulimnogammarus verrucosus (Gerstfeld, 1858) and Eulimnogammarus cyaneus (Dybowsky, 1874) compared to the potential Holarctic Baikal invader Gammarus lacustris Sars, 1863 at the cellular level including the energy metabolism and the antioxidant system. All species were long-term exposed to a range of temperatures (1.5 °C to mimic winter conditions and the three species-specific preferred temperatures (i.e., 6 °C for E. verrucosus, 12 °C for E. cyaneus and 15 °C for G. lacustris). At 1.5 °C, we found species-specific metabolic alterations (i.e., significantly reduced ATP content and lactate dehydrogenase activity) indicating limitations on the activity level in the Holarctic G. lacustris. Although the two Baikal endemic amphipod species largely differ in thermal tolerance, no such limitations were found at 1.5 °C. However, the cold-stenothermal Baikal endemic E. verrucosus showed changes indicating a higher involvement of anaerobic metabolism at 12 °C and 15 °C, while the metabolic responses of the more eurythermal Baikal endemic E. cyaneus may support aerobic metabolism and an active lifestyle at all exposure temperatures. Rising temperatures in summer may provide a competitive advantage for G. lacustris compared to the Baikal species but the inactive lifestyle in the cold is likely preventing G. lacustris from establishing a stable population in Lake Baikal.Kseniya VereshchaginaElizaveta KondratevaAndrei MutinLena JakobDaria BedulinaEkaterina ShchapovaEkaterina MadyarovaDenis Axenov-GribanovTill LuckenbachHans-Otto PörtnerMagnus LucassenMaxim TimofeyevNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kseniya Vereshchagina Elizaveta Kondrateva Andrei Mutin Lena Jakob Daria Bedulina Ekaterina Shchapova Ekaterina Madyarova Denis Axenov-Gribanov Till Luckenbach Hans-Otto Pörtner Magnus Lucassen Maxim Timofeyev Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
description	Abstract Species with effective thermal adaptation mechanisms allowing them to thrive within a wide temperature range can benefit from climatic changes as they can displace highly specialized species. Here, we studied the adaptive capabilities of the Baikal endemic amphipods Eulimnogammarus verrucosus (Gerstfeld, 1858) and Eulimnogammarus cyaneus (Dybowsky, 1874) compared to the potential Holarctic Baikal invader Gammarus lacustris Sars, 1863 at the cellular level including the energy metabolism and the antioxidant system. All species were long-term exposed to a range of temperatures (1.5 °C to mimic winter conditions and the three species-specific preferred temperatures (i.e., 6 °C for E. verrucosus, 12 °C for E. cyaneus and 15 °C for G. lacustris). At 1.5 °C, we found species-specific metabolic alterations (i.e., significantly reduced ATP content and lactate dehydrogenase activity) indicating limitations on the activity level in the Holarctic G. lacustris. Although the two Baikal endemic amphipod species largely differ in thermal tolerance, no such limitations were found at 1.5 °C. However, the cold-stenothermal Baikal endemic E. verrucosus showed changes indicating a higher involvement of anaerobic metabolism at 12 °C and 15 °C, while the metabolic responses of the more eurythermal Baikal endemic E. cyaneus may support aerobic metabolism and an active lifestyle at all exposure temperatures. Rising temperatures in summer may provide a competitive advantage for G. lacustris compared to the Baikal species but the inactive lifestyle in the cold is likely preventing G. lacustris from establishing a stable population in Lake Baikal.
format	article
author	Kseniya Vereshchagina Elizaveta Kondrateva Andrei Mutin Lena Jakob Daria Bedulina Ekaterina Shchapova Ekaterina Madyarova Denis Axenov-Gribanov Till Luckenbach Hans-Otto Pörtner Magnus Lucassen Maxim Timofeyev
author_facet	Kseniya Vereshchagina Elizaveta Kondrateva Andrei Mutin Lena Jakob Daria Bedulina Ekaterina Shchapova Ekaterina Madyarova Denis Axenov-Gribanov Till Luckenbach Hans-Otto Pörtner Magnus Lucassen Maxim Timofeyev
author_sort	Kseniya Vereshchagina
title	Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
title_short	Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
title_full	Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
title_fullStr	Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
title_full_unstemmed	Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal
title_sort	low annual temperature likely prevents the holarctic amphipod gammarus lacustris from invading lake baikal
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/0ce36523d971498cb79e51ab8c500323
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Low annual temperature likely prevents the Holarctic amphipod Gammarus lacustris from invading Lake Baikal

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