Viral species differentially influence macronutrient preferences based on honey bee genotype

Food quantity and macronutrients contribute to honey bee health and colony survival by mediating immune responses. We determined if this held true for bees injected with chronic bee paralysis virus (CBPV) and deformed wing virus (DWV), two common honey bee ssRNA viruses. Pollen-substitute diet and s...

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Bibliographic Details
Published in:Biology open 2022-10, Vol.11 (10)
Main Authors: Penn, Hannah J, Simone-Finstrom, Michael D, de Guzman, Lilia I, Tokarz, Philip G, Dickens, Rachel
Format: Article
Language:English
Subjects:
Animals
Apis mellifera
Bees
chronic bee paralysis virus
Consumption
deformed wing virus
Diet
Disease resistance
Genotype
Genotypes
Honey
honey bee
host-pathogen interactions
Immune response
Immunological tolerance
lipid
Lipids
Nutrients
Paralysis
Pollen
protein
RNA Viruses
Syrup
Varroa destructor
Varroidae
Viruses
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Summary:Food quantity and macronutrients contribute to honey bee health and colony survival by mediating immune responses. We determined if this held true for bees injected with chronic bee paralysis virus (CBPV) and deformed wing virus (DWV), two common honey bee ssRNA viruses. Pollen-substitute diet and syrup consumption rates and macronutrient preferences of two Varroa-resistant stocks (Pol-Line and Russian bees) were compared to Varroa-susceptible Italian bees. Bee stocks varied in consumption, where Italian bees consumed more than Pol-Line and Russian bees. However, the protein: lipid (P:L) ratios of diet consumed by the Italian and Russian bees was greater than that of the Pol-Line bees. Treatment had different effects on consumption based on the virus injected. CBPV was positively correlated with syrup consumption, while DWV was not correlated with consumption. P:L ratios of consumed diet were significantly impacted by the interaction of bee stock and treatment, with the trends differing between CBPV and DWV. Variation in macronutrient preferences based on viral species may indicate differences in energetic costs associated with immune responses to infections impacting different systems. Further, virus species interacted with bee genotype, indicating different mechanisms of viral resistance or tolerance among honey bee genotypes.
ISSN:2046-6390
2046-6390
DOI:10.1242/bio.059039