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dc.contributor.authorRuiz-Castellano, Cristinaes_ES
dc.contributor.authorRuiz-Rodríguez, Magdalenaes_ES
dc.contributor.authorTomás, Gustavoes_ES
dc.contributor.authorSoler, Juan Josées_ES
dc.identifier.citationFEMS Microbiology Ecology 95 (5):fiz052 (2019)es_ES
dc.description.abstractThe use of feathers as nest material has been proposed as a kind of self-medication strategy because antimicrobial-producing microorganisms living on feathers may defend offspring against pathogenic infections. In this case, it is expected that density of antimicrobial-producing bacteria, and their antimicrobial effects, are higher in feathers that line the nests than in eggshells. Moreover, we know that feather pigmentation and breeding activity may influence density and antimicrobial production of bacteria. To test these predictions, we analyzed bacterial densities and antimicrobial activity of bacterial colonies isolated from bird eggshells and nest-lining feathers against bacterial strains comprising potential pathogens. Samples were collected from spotless starling (Sturnus unicolor) nests, and from artificial nests to isolate the effects of breeding activity on bacterial communities. The composition of feathers lining the nests was experimentally manipulated to create groups of nests with pigmented feathers, with unpigmented feathers, with both types of feathers or without feathers. Although we did not detect an effect of experimental feather treatments, we found that bacterial colonies isolated from feathers were more active against the tested bacterial strains than those isolated from eggshells. Moreover, bacterial density on feathers, keratinolytic bacteria on eggshells and antimicrobial activity of colonies solated were higher in starling nests than in artificial nests. These results suggest that antimicrobial activity of bacteria growing on nest-lining feathers would be one of the mechanisms explaining the previously detected antimicrobial effects of this material in avian nests, and that breeding activity results in nest bacterial communities with higher antimicrobial activity.es_ES
dc.description.sponsorshipThis work was supported by the currently named Ministerio de Ciencia, Innovación y Universidades and European (FEDER) funds (CGL2013–48 193-C3–1-P, CGL2017–83 103-P, CGL2017– 89 063-P).es_ES
dc.publisherOxford University Presses_ES
dc.subjectAntimicrobial activityes_ES
dc.subjectEggshell bacterial loades_ES
dc.subjectFeather nest materiales_ES
dc.subjectIncubation behaviores_ES
dc.subjectKeratinolytic bacteriaes_ES
dc.subjectSpotless starlinges_ES
dc.titleAntimicrobial activity of nest-lining feathers is enhanced by breeding activity in avian nestses_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
oprm.item.hasRevisionno ko 0 false*
dc.contributor.orcidRuiz-Castellano, Cristina [0000-0003-2548-3881]es_ES
dc.contributor.orcidSoler, Juan José [0000-0003-2990-1489]es_ES
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