A comparison of deformed wing virus in deformed and asymptomatic honey bees

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Brettell, L. E., Mordecai, G. J., Schroeder, D. C., Jones, I. M. ORCID: https://orcid.org/0000-0002-7738-2516, da Silva, J. R., Vicente-Rubiano, M. and Martin, S. J. (2017) A comparison of deformed wing virus in deformed and asymptomatic honey bees. Insects, 8 (1). 28. ISSN 2075-4450 doi: 10.3390/insects8010028

Abstract/Summary

Deformed wing virus (DWV) in association with Varroa destructor is currently attributed to being responsible for colony collapse in the western honey bee (Apis mellifera). The appearance of deformed individuals within an infested colony has long been associated with colony losses. However, it is unknown why only a fraction of DWV positive bees develop deformed wings. This study concerns two small studies comparing deformed and non-deformed bees. In Brazil, asymptomatic bees (no wing deformity) that had been parasitised by Varroa as pupae had higher DWV loads than non-parasitised bees. However, we found no greater bilateral asymmetry in wing morphology due to DWV titres or parasitisation. As expected, using RT-qPCR, deformed bees were found to contain the highest viral loads. In a separate study, next generation sequencing (NGS) was applied to compare the entire DWV genomes from paired symptomatic and asymptomatic bees from three colonies on two different Hawaiian islands. This revealed no consistent differences between DWV genomes from deformed or asymptomatic bees, with the greatest variation seen between locations, not phenotypes. All samples, except one, were dominated by DWV type A. This small-scale study suggests that there is no unique genetic variant associated with wing deformity; but that many DWV variants have the potential to cause deformity

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Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/69493
Identification Number/DOI	10.3390/insects8010028
Refereed	Yes
Divisions	Life Sciences > School of Biological Sciences > Biomedical Sciences
Publisher	MDPI
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Funders:	Biotechnology and Biological Sciences Research Council Marine Biological Association of UK	The sponsoring bodies who contributed funding for the creation of this item. Example: NERC Example: The Royal Society of Chemistry A pick list of funders may appear as you type in the funder's name in full or as an acronym. Select a correct match to complete the field or type in a new entry in full. For new entries, the full name is preferred.
Projects:	A synthetic & recombinant approach to the production and characterisation of IAPV, an associated agent of honey bee Colony Collapse Disorder Funded by: Biotechnology and Biological Sciences Research Council (BB/G02040X/1 - £320,689) Local Lead (PI): Ian Jones Project Lead: Ian Martin Jones 1 December 2009 - 30 March 2013 Marine Biological Association "Receptor binding and host cell entry by deformed wing virus and emerging agent of honeybee decline" Funded by: Marine Biological Association of UK (CHARLOTTE DAVIES - £27,879) Local Lead (PI): Ian Jones 1 October 2013 - 30 September 2016	Click Add to select your project (received at Reading) from an autocomplete list.

Deposit Details

Date Deposited:	15 Mar 2017 12:25	Date item deposited into CentAUR
Last Modified:	10 Jan 2025 02:31	Date item last modified

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