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South coordinate must be a number between -90 and 90.

West coordinate must be a number between -180 and 180.

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South coordinate must be a number between -90 and 90.

West coordinate must be a number between -180 and 180.

North coordinate must be a number between -90 and 90.

East coordinate must be a number between -180 and 180.

Latitude coordinate must be a number between -90 and 90.

Longitude coordinate must be a number between -180 and 180.

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All Fields Title Author Description Keyword Subject Publication Date Access Author Affiliation Contributor Geolocation - Box Geolocation - Place Geolocation - Point Item URL Publisher License Source repository Series

South coordinate must be a number between -90 and 90.

West coordinate must be a number between -180 and 180.

North coordinate must be a number between -90 and 90.

East coordinate must be a number between -180 and 180.

Latitude coordinate must be a number between -90 and 90.

Longitude coordinate must be a number between -180 and 180.

Select a geolocation place from the options dropdown or remove this field

All Fields: Title: Author: Description: Keyword: Subject: Publication Date: Access: Author Affiliation: Contributor: Geolocation - Box: Geolocation - Place: Geolocation - Point: Item URL: Publisher: License: Source repository: Series:

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Data from: Linking innate immunogenetic variation with phenotypic traits in a wild population of tree swallows, Tachycineta bicolor

Schmitt, Clarence; Garant, Dany; Bélisle, Marc; Pelletier, Fanie — 2017-03-07 Unravelling the genetic basis of phenotypic variation among individuals is an important step in our understanding of evolution. Recent studies of innate immune genes, such as β -defensins, revealed that these genes had high levels of polymorphism. However, researchers have yet to quantify the effects of such variability on immune responses and fitness-related traits in wild populations. In this study, we assessed how the variability at six avian β -defensin (AvBD) genes was linked to an immune function and reproductive success in adult tree swallows (Tachycineta bicolor). We investigated the links between genetic variations using single nucleotide polymorphisms at AvBD genes, immune function as the bacterial killing ability (BKA) and fledging success. We assessed how female immunogenetics were linked to the presence of eggshell bacteria in their clutches and hatching success. We found weak associations between the presence of AvBD genes, BKA and eggshell bacteria. Our results suggested that homozygosity at some loci may be advantageous for defence against bacteria. Variability at β -defensin genes was not related to either hatching or fledging success. BKA of parents was positively linked with fledging success. More studies are needed to assess whether or not β -defensin genes are significantly affecting fitness-related traits in wild populations.

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Schmitt, Clarence1
Statistics Canada12,181
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