Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

Studies on pH stress in marine animals typically focus on direct or species-specific aspects. We here test the hypothesis that a drop to pH = 7.6 indirectly affects the intra- and interspecific interactions of benthic invertebrates by means of chemical communication. We recorded fitness-relevant beh...

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Autores principales:	Lauric Feugere, Lauren Angell, James Fagents, Rebecca Nightingale, Kirsty Rowland, Saffiyah Skinner, Jőrg Hardege, Helga Bartels-Hardege, Katharina C. Wollenberg Valero
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	behavioural cost stress propagation stress metabolites chemical communication ocean acidification Science Q General. Including nature conservation, geographical distribution QH1-199.5
Acceso en línea:	https://doaj.org/article/7004ad3c46f1428e9498ed62bf8de97f
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spelling	oai:doaj.org-article:7004ad3c46f1428e9498ed62bf8de97f2021-12-01T17:00:30ZBehavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites2296-774510.3389/fmars.2021.773870https://doaj.org/article/7004ad3c46f1428e9498ed62bf8de97f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmars.2021.773870/fullhttps://doaj.org/toc/2296-7745Studies on pH stress in marine animals typically focus on direct or species-specific aspects. We here test the hypothesis that a drop to pH = 7.6 indirectly affects the intra- and interspecific interactions of benthic invertebrates by means of chemical communication. We recorded fitness-relevant behaviours of small hermit crabs Diogenes pugilator, green shore crabs Carcinus maenas, and harbour ragworms Hediste diversicolor in response to short-term pH drop, and to putative stress metabolites released by conspecifics or gilt-head sea bream Sparus aurata during 30 min of acute pH drop. Not only did acute pH drop itself impair time to find a food cue in small hermit crabs and burrowing in harbour ragworms, but similar effects were observed under exposure to pH drop-induced stress metabolites. Stress metabolites from S. aurata, but not its regular control metabolites, also induced avoidance responses in all recipient species. Here, we confirm that a short-term abrupt pH drop, an abiotic stressor, has the capacity to trigger the release of metabolites which induce behavioural responses in conspecific and heterospecific individuals, which can be interpreted as a behavioural cost. Our findings that stress responses can be indirectly propagated through means of chemical communication warrant further research to confirm the effect size of the behavioural impairments caused by stress metabolites and to characterise their chemical nature.Lauric FeugereLauren AngellJames FagentsRebecca NightingaleKirsty RowlandSaffiyah SkinnerJőrg HardegeHelga Bartels-HardegeKatharina C. Wollenberg ValeroFrontiers Media S.A.articlebehavioural coststress propagationstress metaboliteschemical communicationocean acidificationScienceQGeneral. Including nature conservation, geographical distributionQH1-199.5ENFrontiers in Marine Science, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	behavioural cost stress propagation stress metabolites chemical communication ocean acidification Science Q General. Including nature conservation, geographical distribution QH1-199.5
spellingShingle	behavioural cost stress propagation stress metabolites chemical communication ocean acidification Science Q General. Including nature conservation, geographical distribution QH1-199.5 Lauric Feugere Lauren Angell James Fagents Rebecca Nightingale Kirsty Rowland Saffiyah Skinner Jőrg Hardege Helga Bartels-Hardege Katharina C. Wollenberg Valero Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
description	Studies on pH stress in marine animals typically focus on direct or species-specific aspects. We here test the hypothesis that a drop to pH = 7.6 indirectly affects the intra- and interspecific interactions of benthic invertebrates by means of chemical communication. We recorded fitness-relevant behaviours of small hermit crabs Diogenes pugilator, green shore crabs Carcinus maenas, and harbour ragworms Hediste diversicolor in response to short-term pH drop, and to putative stress metabolites released by conspecifics or gilt-head sea bream Sparus aurata during 30 min of acute pH drop. Not only did acute pH drop itself impair time to find a food cue in small hermit crabs and burrowing in harbour ragworms, but similar effects were observed under exposure to pH drop-induced stress metabolites. Stress metabolites from S. aurata, but not its regular control metabolites, also induced avoidance responses in all recipient species. Here, we confirm that a short-term abrupt pH drop, an abiotic stressor, has the capacity to trigger the release of metabolites which induce behavioural responses in conspecific and heterospecific individuals, which can be interpreted as a behavioural cost. Our findings that stress responses can be indirectly propagated through means of chemical communication warrant further research to confirm the effect size of the behavioural impairments caused by stress metabolites and to characterise their chemical nature.
format	article
author	Lauric Feugere Lauren Angell James Fagents Rebecca Nightingale Kirsty Rowland Saffiyah Skinner Jőrg Hardege Helga Bartels-Hardege Katharina C. Wollenberg Valero
author_facet	Lauric Feugere Lauren Angell James Fagents Rebecca Nightingale Kirsty Rowland Saffiyah Skinner Jőrg Hardege Helga Bartels-Hardege Katharina C. Wollenberg Valero
author_sort	Lauric Feugere
title	Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
title_short	Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
title_full	Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
title_fullStr	Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
title_full_unstemmed	Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites
title_sort	behavioural stress propagation in benthic invertebrates caused by acute ph drop-induced metabolites
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/7004ad3c46f1428e9498ed62bf8de97f
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Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

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