Study of factors influencing viral infections in honey bees

Mgr. Karolína SVOBODOVÁ

Doctoral thesis

Abstract:

This thesis includes three published articles, two of which are first-authored. The first article demonstrates the antiviral effect of Cortinarius caperatus alcohol extract against Deformed wing virus in honey bees, its influence on the transcriptional activity of selected immune genes, and its impact on honey bee lifespan. The second article explores differences in gut bacterial networks between Swedish varroa-surviving and local varroa-susceptible honey bees, as well as correlations between these bacteria and pathogenic viruses. The third article describes the CO2 conductance and microstructure of wax cappings, along with CO gradients resulting from pupal respiration. Altogether, the work presented in this thesis extends the repertoire of potential treatments against honey bee viruses, provides new insights into honey bee gut bacterial communities, and lays a foundation for future research on mechanisms contributing to varroa resistance.

Jazyk práce: English

Datum vytvoření / odevzdání či podání práce: 4. 11. 2025

Obhajoba závěrečné práce

• Vedúci: RNDr. Alena Krejčí, Ph.D.

UNIVERSITY OF SOUTH BOHEMIA IN ČESKÉ BUDĚJOVICE

Faculty of Science

Doctoral programme / odbor:
Integrativní biologie / Integrativní biologie