Genome-Wide Association Study of a Varroa-Specific Defense Behavior in Honeybees (Apis mellifera)

The Journal of Heredity
A SpötterKaspar Bienefeld

Abstract

Honey bees are exposed to many damaging pathogens and parasites. The most devastating is Varroa destructor, which mainly affects the brood. A promising approach for preventing its spread is to breed Varroa-resistant honey bees. One trait that has been shown to provide significant resistance against the Varroa mite is hygienic behavior, which is a behavioral response of honeybee workers to brood diseases in general. Here, we report the use of an Affymetrix 44K SNP array to analyze SNPs associated with detection and uncapping of Varroa-parasitized brood by individual worker bees (Apis mellifera). For this study, 22 000 individually labeled bees were video-monitored and a sample of 122 cases and 122 controls was collected and analyzed to determine the dependence/independence of SNP genotypes from hygienic and nonhygienic behavior on a genome-wide scale. After false-discovery rate correction of the P values, 6 SNP markers had highly significant associations with the trait investigated (α < 0.01). Inspection of the genomic regions around these SNPs led to the discovery of putative candidate genes.

References

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Apr 8, 2010·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·David KnightGabrielle L Boulianne
Jan 1, 2013·The Journal of Heredity·C Scott Baker

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Citations

Feb 16, 2019·Genome Biology and Evolution·Brock A HarpurAmro Zayed
Jun 17, 2020·Emerging Topics in Life Sciences·Amélie NoëlFanny Mondet
Sep 8, 2021·Scientific Reports·Ivelina Ivanova, Kaspar Bienefeld

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