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J Invertebr Pathol. 2015 Jan;124:31-4. doi: 10.1016/j.jip.2014.10.007. Epub 2014 Oct 30.

Within-host competition among the honey bees pathogens Nosema ceranae and Deformed wing virus is asymmetric and to the disadvantage of the virus.

Author information

1
Institut für Biologie, Martin-Luther-Universität Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany. Electronic address: vincent.doublet@zoologie.uni-halle.de.
2
Institut für Biologie, Martin-Luther-Universität Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany.
3
Institut für Biologie, Martin-Luther-Universität Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany; School of Biological Sciences, Queen's University Belfast, UK.

Abstract

Two pathogens co-infecting a common host can either interact positively (facilitation), negatively (competition) or act independently. A correlative study has suggested that two pathogens of the honey bee, Nosema ceranae and Deformed wing virus (DWV), interact negatively within a host (Costa et al., 2011). To test this hypothesis, we sequentially co-infected honey bees with these pathogens in a reciprocally crossed experimental design. Prior establishment in the host ventriculus by N. ceranae inhibited DWV while prior infection by DWV did not impact N. ceranae, highlighting an asymmetry in the competitive interaction between these emerging pathogens.

KEYWORDS:

Apis mellifera; DWV; Interaction; Microsporidian; Priority effect

PMID:
25450738
DOI:
10.1016/j.jip.2014.10.007
[Indexed for MEDLINE]

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