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Temporal variation in brain transcriptome is associated with the expression of female mimicry as a sequential male alternative reproductive tactic in fish

2018Journal article Restricted access
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dc.contributor.authorCardoso, Sara
dc.contributor.authorGonçalves, David
dc.contributor.authorGoesmann, Alexander
dc.contributor.authorCanário, Adelino V. M.
dc.contributor.authorOliveira, Rui Filipe
dc.date.accessioned2019-04-08T17:38:07Z
dc.date.available2019-04-08T17:38:07Z
dc.date.issued2018
dc.description.abstractDistinct patterns of gene expression often underlie intra- and intersexual differences, and the study of this set of coregulated genes is essential to understand the emergence of complex behavioural phenotypes. Here, we describe the development of a de novo transcriptome and brain gene expression profiles of wild-caught peacock blenny, Salaria pavo, an intertidal fish with sex-role reversal in courtship behaviour (i.e., females are the courting sex) and sequential alternative reproductive tactics in males (i.e., larger and older nest-holder males and smaller and younger sneaker males occur). Sneakers mimic both female's courtship behaviour and nuptial coloration to get access to nests and sneak fertilizations, and later in life transition into nest-holder males. Thus, this species offers the unique opportunity to study how the regulation of gene expression can contribute to intersex phenotypes and to the sequential expression of male and female behavioural phenotypes by the same individual. We found that at the whole brain level, expression of the sneaker tactic was paralleled by broader and divergent gene expression when compared to either females or nest-holder males, which were more similar between themselves. When looking at sex-biased transcripts, sneaker males are intersex rather than being either nest-holder or female-like, and their transcriptome is simultaneously demasculinized for nest-holder-biased transcripts and feminized for female-biased transcripts. These results indicate that evolutionary changes in reproductive plasticity can be achieved through regulation of gene expression, and in particular by varying the magnitude of expression of sex-biased genes, throughout the lifetime of the same individual.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologia - FCTpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMolecular Ecology, 27(3), 789-803 Doi: 10.1111/mec.14408pt_PT
dc.identifier.doi10.1111/mec.14408pt_PT
dc.identifier.issn0962-1083
dc.identifier.urihttp://hdl.handle.net/10400.12/6986
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBlackwell Publishing Inc.pt_PT
dc.relationMolecular mechanisms and evolutionary implications of social plasticity
dc.relationRNA-SEQ APPLIED TO THE PEACOCK BLENNY SALARIA PAVO: UNVEILING THE GENE NETWORKS AND SIGNALLING PATHWAYS BEHIND PHENOTYPIC PLASTICITY IN A LITTORAL FISH
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectAlternative reproductive tacticspt_PT
dc.subjectBehavioural plasticitypt_PT
dc.subjectNeurogenomic statept_PT
dc.subjectRNA-seqpt_PT
dc.subjectSalaria Pavopt_PT
dc.subjectSex-biased gene expressionpt_PT
dc.titleTemporal variation in brain transcriptome is associated with the expression of female mimicry as a sequential male alternative reproductive tactic in fishpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMolecular mechanisms and evolutionary implications of social plasticity
oaire.awardTitleRNA-SEQ APPLIED TO THE PEACOCK BLENNY SALARIA PAVO: UNVEILING THE GENE NETWORKS AND SIGNALLING PATHWAYS BEHIND PHENOTYPIC PLASTICITY IN A LITTORAL FISH
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F69749%2F2006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/EXCL%2FBIA-ANM%2F0549%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F89072%2F2012/PT
oaire.citation.conferencePlaceUnited Kingdompt_PT
oaire.citation.endPage803pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage789pt_PT
oaire.citation.titleMolecular ecologypt_PT
oaire.citation.volume27pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream3599-PPCDT
person.familyNameCardoso
person.familyNameGoesmann
person.givenNameSara
person.givenNameAlexander
person.identifier301219
person.identifier504382
person.identifier.ciencia-id991E-446C-750C
person.identifier.orcid0000-0002-1006-2323
person.identifier.orcid0000-0002-7086-2568
person.identifier.ridH-1372-2012
person.identifier.scopus-author-id55889189700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationad4f2c8f-9fe1-4f25-afa9-f97f8b710081
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