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Direct evidence for increased disease resistance in polyandrous broods exists only in eusocial Hymenoptera

2021-10Journal article Open access
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dc.contributor.authorSoper, D. M.
dc.contributor.authorEkroth, A. K. E.
dc.contributor.authorGranja-Martins, Fernando M.
dc.date.accessioned2021-11-06T11:03:48Z
dc.date.available2021-11-06T11:03:48Z
dc.date.issued2021-10
dc.description.abstractBackground: The ‘genetic diversity’ hypothesis posits that polyandry evolved as a mechanism to increase genetic diversity within broods. One extension of this hypothesis is the ‘genetic diversity for disease resistance’ hypothesis (GDDRH). Originally designed for eusocial Hymenoptera, GDDRH states that polyandry will evolve as an efect of lower parasite prevalence in genetically variable broods. However, this hypothesis has been broadly applied to several other taxa. It is unclear how much empirical evidence supports GDDRH specifcally, especially outside eusocial Hymenoptera. Results: This question was addressed by conducting a literature review and posteriorly conducting meta-analyses on the data available using Hedges’s g. The literature review found 10 direct and 32 indirect studies with both having a strong publication bias towards Hymenoptera. Two meta-analyses were conducted and both found increased polyandry (direct tests; n=8, g=0.2283, p= <0.0001) and genetic diversity generated by other mechanisms (indirect tests; n=10, g=0.21, p= <0.0001) reduced parasite load. A subsequent moderator analysis revealed that there were no diferences among Orders, indicating there may be applicability outside of Hymenoptera. However, due to publication bias and low sample size we must exercise caution with these results. Conclusion: Despite the fact that the GDDRH was developed for Hymenoptera, it is frequently applied to other taxa. This study highlights the low amount of direct evidence supporting GDDRH, particularly outside of eusocial Hymenoptera. It calls for future research to address species that have high dispersal rates and contain mixes of solitary and communal nesting.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1186/s12862-021-01925-3pt_PT
dc.identifier.eissn2730-7182
dc.identifier.urihttp://hdl.handle.net/10400.1/17297
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBMCpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMultiple matingpt_PT
dc.subjectGenetic diversitypt_PT
dc.subjectParasitespt_PT
dc.subjectAnimal behaviorpt_PT
dc.subjectEvolutionpt_PT
dc.titleDirect evidence for increased disease resistance in polyandrous broods exists only in eusocial Hymenopterapt_PT
dc.title.alternativeEvidência direta para o aumento da resistência à doença em ninhadas poliandrous existe apenas na Hymenoptera eusocialpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue1pt_PT
oaire.citation.titleBMC Ecology and Evolutionpt_PT
oaire.citation.volume21pt_PT
person.familyNameGranja Martins
person.givenNameFernando Miguel
person.identifierR-001-Y1F
person.identifier.ciencia-idE31E-E89E-38CE
person.identifier.orcid0000-0002-2709-804X
person.identifier.ridD-5675-2017
person.identifier.scopus-author-id56609809200
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationed9efd0f-7c39-4c6c-9281-06b40c401f57
relation.isAuthorOfPublication.latestForDiscoveryed9efd0f-7c39-4c6c-9281-06b40c401f57

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