Longitudinal monitoring of honey bee colonies reveals dynamic nature of virus abundance and indicates a negative impact of Lake Sinai virus 2 on colony health

dc.contributor.authorFaurot-Daniels, Cayley
dc.contributor.authorGlenny, William
dc.contributor.authorDaughenbaugh, Katie F.
dc.contributor.authorMcMenamin, Alexander J.
dc.contributor.authorBurkle, Laura A.
dc.contributor.authorFlenniken, Michelle L.
dc.description.abstractHoney bees (Apis mellifera) are important pollinators of plants, including those that produce nut, fruit, and vegetable crops. Therefore, high annual losses of managed honey bee colonies in the United States and many other countries threaten global agriculture. Honey bee colony deaths have been associated with multiple abiotic and biotic factors, including pathogens, but the impact of virus infections on honey bee colony population size and survival are not well understood. To further investigate seasonal patterns of pathogen presence and abundance and the impact of viruses on honey bee colony health, commercially managed colonies involved in the 2016 California almond pollination event were monitored for one year. At each sample date, colony health and pathogen burden were assessed. Data from this 50-colony cohort study illustrate the dynamic nature of honey bee colony health and the temporal patterns of virus infection. Black queen cell virus, deformed wing virus, sacbrood virus, and the Lake Sinai viruses were the most readily detected viruses in honey bee samples obtained throughout the year. Analyses of virus prevalence and abundance revealed pathogen-specific trends including the overall increase in deformed wing virus abundance from summer to fall, while the levels of Lake Sinai virus 2 (LSV2) decreased over the same time period. Though virus prevalence and abundance varied in individual colonies, analyses of the overall trends reveal correlation with sample date. Total virus abundance increased from November 2015 (post-honey harvest) to the end of the almond pollination event in March 2016, which coincides with spring increase in colony population size. Peak total virus abundance occurred in late fall (August and October 2016), which correlated with the time period when the majority of colonies died. Honey bee colonies with larger populations harbored less LSV2 than weaker colonies with smaller populations, suggesting an inverse relationship between colony health and LSV2 abundance. Together, data from this and other longitudinal studies at the colony level are forming a better understanding of the impact of viruses on honey bee colony losses.en_US
dc.identifier.citationFaurot-Daniels, Cayley, William Glenny, Katie F. Daughenbaugh, Alexander J. McMenamin, Laura A. Burkle, and Michelle L. Flenniken. “Longitudinal Monitoring of Honey Bee Colonies Reveals Dynamic Nature of Virus Abundance and Indicates a Negative Impact of Lake Sinai Virus 2 on Colony Health.” Edited by Olav Rueppell. PLOS ONE 15, no. 9 (September 8, 2020): e0237544. doi:10.1371/journal.pone.0237544.en_US
dc.rights© This final published version is made available under the CC-BY 4.0 license.en_US
dc.titleLongitudinal monitoring of honey bee colonies reveals dynamic nature of virus abundance and indicates a negative impact of Lake Sinai virus 2 on colony healthen_US
mus.citation.journaltitlePLOS ONEen_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.departmentPlant Sciences & Plant Pathology.en_US
mus.relation.universityMontana State University - Bozemanen_US


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