A naïve population of European oyster Ostrea edulis with reduced susceptibility to the pathogen Bonamia ostreae: are S-strategy life traits providing protection?

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dc.contributor.author Egerton, Sian
dc.contributor.author Lynch, Sharon A.
dc.contributor.author Prado-Alvarez, Maria
dc.contributor.author Flannery, Grace
dc.contributor.author Brennan, Elaine
dc.contributor.author Hugh-Jones, Tristan
dc.contributor.author Hugh-Jones, David
dc.contributor.author Culloty, Sarah C.
dc.date.accessioned 2020-09-23T09:40:29Z
dc.date.available 2020-09-23T09:40:29Z
dc.date.issued 2020-06-13
dc.identifier.citation Egerton, S., Lynch, S. A., Prado-Alvarez, M., Flannery, G., Brennan, E., Hugh-Jones, T., Hugh-Jones, D. and Culloty, S. C. (2020) 'A naïve population of European oyster Ostrea edulis with reduced susceptibility to the pathogen Bonamia ostreae: are S-strategy life traits providing protection?', Integrative and Comparative Biology, 60(2), pp. 249-260. doi: 10.1093/icb/icaa071 en
dc.identifier.volume 60 en
dc.identifier.issued 2 en
dc.identifier.startpage 249 en
dc.identifier.endpage 260 en
dc.identifier.issn 1557-7023
dc.identifier.uri http://hdl.handle.net/10468/10569
dc.identifier.doi 10.1093/icb/icaa071 en
dc.description.abstract European populations of the native flat oyster, Ostrea edulis, have been heavily depleted by two protozoan parasites, Marteila refringens and Bonamia ostreae, with mortalities of up to 90% reported in naïve populations. However, in studies carried out over a 10-year period, researching the parasite–host relationship of B. ostreae and O. edulis in several age cohorts within a naïve O. edulis population from Loch Ryan (LR), Scotland, 1364 specimens were challenged and only 64 (5%), across multiple testing protocols, screened positive for B. ostreae. This article presents a case for the development of S-strategy life traits in the LR population that coincide with enhanced immune function and survival. Oysters are considered typical r-strategists (small in size with fast development and high fecundity) while S-strategists, as outlined in Grime’s (1977) competitor–stress tolerant–ruderal (C–S–R) triangle theory, are characterized by slow growth and investment in the durability of individuals. This study hypothesizes that slower growth and reduced reproductive output in LR oysters has resulted in the investment of an enhanced immune function and reduced susceptibility to B. ostreae that is, r-strategists with S-strategy life traits equates to protection from significant pathogens. The findings presented here within provide a strong case study for local adaptation of energy allocation and provides empirical support for the C–S–R triangle theory in a marine organism. en
dc.description.sponsorship Fifth Framework Programme (BOLCI(R) Grant agreement ID: Q5CR-CT-2002-72338) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Oxford University Press en
dc.rights © 2020, the Authors. Published by Oxford University Press on behalf of the Society for Integrative and Comparative Biology. All rights reserved. This is a pre-copyedited, author-produced version of an article accepted for publication in Integrative and Comparative Biology, following peer review. The version of record is available online at: https://doi.org/10.1093/icb/icaa071 en
dc.subject Native flat oyster en
dc.subject Ostrea eduli en
dc.subject Parasite en
dc.subject Marteila refringens en
dc.subject Bonamia ostreae en
dc.subject Loch Ryan en
dc.subject Scotland en
dc.title A naïve population of European oyster Ostrea edulis with reduced susceptibility to the pathogen Bonamia ostreae: are S-strategy life traits providing protection? en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Sharon Lynch, Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland. +353-21-490-3000 Email: s.lynch@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2020-09-23T09:06:14Z
dc.description.version Accepted Version en
dc.internal.rssid 526754993
dc.internal.pmid 32533837
dc.contributor.funder Seventh Framework Programme en
dc.contributor.funder Fifth Framework Programme en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Integrative and Comparative Biology en
dc.internal.copyrightchecked Yes
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress s.lynch@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP1::ENV/244132/EU/Climate Change and Marine Ecosystem Research Results/CLAMER en
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP4::SME/243583/EU/Establishing the scientific bases and technical procedures and standards to recover the European flat oyster production through strategies to tackle the main constraint, bonamiosis./OYSTERECOVER en


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