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.authorEgerton, Sian
dc.contributor.authorLynch, Sharon A.
dc.contributor.authorPrado-Alvarez, Maria
dc.contributor.authorFlannery, Grace
dc.contributor.authorBrennan, Elaine
dc.contributor.authorHugh-Jones, Tristan
dc.contributor.authorHugh-Jones, David
dc.contributor.authorCulloty, Sarah C.
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderFifth Framework Programmeen
dc.date.accessioned2020-09-23T09:40:29Z
dc.date.available2020-09-23T09:40:29Z
dc.date.issued2020-06-13
dc.date.updated2020-09-23T09:06:14Z
dc.description.abstractEuropean 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.sponsorshipFifth Framework Programme (BOLCI(R) Grant agreement ID: Q5CR-CT-2002-72338)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationEgerton, 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/icaa071en
dc.identifier.doi10.1093/icb/icaa071en
dc.identifier.endpage260en
dc.identifier.issn1557-7023
dc.identifier.issued2en
dc.identifier.journaltitleIntegrative and Comparative Biologyen
dc.identifier.startpage249en
dc.identifier.urihttps://hdl.handle.net/10468/10569
dc.identifier.volume60en
dc.language.isoenen
dc.publisherOxford University Pressen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP1::ENV/244132/EU/Climate Change and Marine Ecosystem Research Results/CLAMERen
dc.relation.projectinfo: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./OYSTERECOVERen
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/icaa071en
dc.subjectNative flat oysteren
dc.subjectOstrea edulien
dc.subjectParasiteen
dc.subjectMarteila refringensen
dc.subjectBonamia ostreaeen
dc.subjectLoch Ryanen
dc.subjectScotlanden
dc.titleA naïve population of European oyster Ostrea edulis with reduced susceptibility to the pathogen Bonamia ostreae: are S-strategy life traits providing protection?en
dc.typeArticle (peer-reviewed)en
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