6533b837fe1ef96bd12a2027

RESEARCH PRODUCT

Immune activation rapidly mirrored in a secondary sexual trait.

Bruno FaivreFrank CézillyGabriele SorciMarina PréaultArnaud Grégoire

subject

MaleBiologyXanthophyllsSongbirdsSexual Behavior AnimalImmune systemZeaxanthinsAnimalsCryptoxanthinsGeneticsMultidisciplinaryEcologyPigmentationLuteinBeakHemagglutination Testsbeta CarotenePhenotypeCarotenoidsMate choiceSexual selectionImmune SystemAntibody FormationTraitFemaleImmunizationImmune activation

description

A crucial assumption underlying most models of sexual selection is that sexual advertisements honestly reflect the phenotypic and/or genetic quality of their bearers ([1][1]). Here we show that experimental activation of the immune system is rapidly mirrored in the expression of a carotenoid-based

10.1126/science.1081802https://pubmed.ncbi.nlm.nih.gov/12677029