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Varroa destructor parasitism and Deformed wing virus infection in honey bees are linked to peroxisome-induced pathways

T. Erban, D. Kadleckova, B. Sopko, K. Harant, P. Talacko, M. Markovic, M. Salakova, K. Kadlikova, R. Tachezy, J. Tachezy

. 2024 ; 24 (9) : e2300312. [pub] 20240306

Jazyk angličtina Země Německo

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc24014131

Grantová podpora
QK1910018 Ministry of Agriculture of the Czech Republic
RO0423 Ministry of Agriculture of the Czech Republic
SVV260679 Charles University
CZ.02.1.01/0.0/0.0/16_019/0000759 European Regional Development Fund (ERDF) project CePaViP

The ectoparasitic mite Varroa destructor transmits and triggers viral infections that have deleterious effects on honey bee colonies worldwide. We performed a manipulative experiment in which worker bees collected at emergence were exposed to Varroa for 72 h, and their proteomes were compared with those of untreated control bees. Label-free quantitative proteomics identified 77 differentially expressed A. mellifera proteins (DEPs). In addition, viral proteins were identified by orthogonal analysis, and most importantly, Deformed wing virus (DWV) was found at high levels/intensity in Varroa-exposed bees. Pathway enrichment analysis suggested that the main pathways affected included peroxisomal metabolism, cyto-/exoskeleton reorganization, and cuticular proteins. Detailed examination of individual DEPs revealed that additional changes in DEPs were associated with peroxisomal function. In addition, the proteome data support the importance of TGF-β signaling in Varroa-DWV interaction and the involvement of the mTORC1 and Hippo pathways. These results suggest that the effect of DWV on bees associated with Varroa feeding results in aberrant autophagy. In particular, autophagy is selectively modulated by peroxisomes, to which the observed proteome changes strongly corresponded. This study complements previous research with different study designs and suggests the importance of the peroxisome, which plays a key role in viral infections.

Citace poskytuje Crossref.org

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