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Adapted tolerance to virus infections in four geographically distinct Varroa destructor-resistant honeybee populations

Locke, Barbara and Thaduri, Srinivas and Stephan, Jörg and Low, Matthew and Blacquiere, Tjeerd and Dahle, Bjørn and Le Conte, Yves and Neumann, Peter and Rodrigues De Miranda, Joachim (2021). Adapted tolerance to virus infections in four geographically distinct Varroa destructor-resistant honeybee populations. Scientific Reports. 11 , 12359
[Research article]

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Abstract

The ectoparasitic mite, Varroa destructor, is unarguably the leading cause of honeybee (Apis mellifera) mortality worldwide through its role as a vector for lethal viruses, in particular, strains of the Deformed wing virus (DWV) and Acute bee paralysis virus (ABPV) complexes. Several honeybee populations across Europe have well-documented adaptations of mite-resistant traits but little is known about host adaptations towards the virus infections vectored by the mite. The aim of this study was to assess and compare the possible contribution of adapted virus tolerance and/or resistance to the enhanced survival of four well-documented mite-resistant honeybee populations from Norway, Sweden, The Netherlands and France, in relation to unselected mite-susceptible honeybees. Caged adult bees and laboratory reared larvae, from colonies of these four populations, were inoculated with DWV and ABPV in a series of feeding infection experiments, while control groups received virus-free food. Virus infections were monitored using RT-qPCR assays in individuals sampled over a time course. In both adults and larvae the DWV and ABPV infection dynamics were nearly identical in all groups, but all mite-resistant honeybee populations had significantly higher survival rates compared to the mite-susceptible honeybees. These results suggest that adapted virus tolerance is an important component of survival mechanisms.

Authors/Creators:Locke, Barbara and Thaduri, Srinivas and Stephan, Jörg and Low, Matthew and Blacquiere, Tjeerd and Dahle, Bjørn and Le Conte, Yves and Neumann, Peter and Rodrigues De Miranda, Joachim
Title:Adapted tolerance to virus infections in four geographically distinct Varroa destructor-resistant honeybee populations
Series Name/Journal:Scientific Reports
Year of publishing :2021
Volume:11
Article number:12359
Number of Pages:12
ISSN:2045-2322
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
URN:NBN:urn:nbn:se:slu:epsilon-p-112764
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112764
Additional ID:
Type of IDID
DOI10.1038/s41598-021-91686-2
Web of Science (WoS)000663777900015
ID Code:24844
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
Deposited By: SLUpub Connector
Deposited On:12 Jul 2021 11:25
Metadata Last Modified:12 Jul 2021 11:31

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