Identification of genes and gene expression associated with dispersal capacity in the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae)

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dc.contributor.authorShegelski, Victor A.
dc.contributor.authorEvenden, Maya L.
dc.contributor.authorHuber, Dezene P. W.
dc.contributor.authorSperling, Felix A. H.
dc.date.accessioned2025-05-01T12:30:54Z
dc.date.available2025-05-01T12:30:54Z
dc.date.issued2021-07-01
dc.descriptionDispersal flights by the mountain pine beetle have allowed range expansion and major damage to pine stands in western Canada. We asked what the genetic and transcriptional basis of mountain pine beetle dispersal capacity is. Using flight mills, RNA-seq and a targeted association study, we compared strong-flying, weak-flying, and non-flying female beetles from the recently colonized northern end of their range. Nearly 3,000 genes were differentially expressed between strong and weak flying beetles, while weak fliers and nonfliers did not significantly differ. The differentially expressed genes were mainly associated with lipid metabolism, muscle maintenance, oxidative stress response, detoxification, endocrine function, and flight behavior. Three variant loci, two in the coding region of genes, were significantly associated with flight capacity but these genes had no known functional link to flight. Several differentially expressed gene systems may be important for sustained flight, while other systems are downregulated during dispersal and likely to conserve energy before host colonization. The candidate genes and SNPs identified here will inform further studies and management of mountain pine beetle, as well as contribute to understanding the mechanisms of insect dispersal flights.
dc.identifier.doihttps://doi.org/10.7939/r3-ywdm-gf20
dc.language.isoen
dc.relation.isversionofShegelski, V.A., Evenden, M.L., Huber, D.P., Sperling, F.A. 2021. Identification of genes and gene expression associated with dispersal capacity in the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae). PeerJ 9: e12382. https://doi.org/10.7717/peerj.12382
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectEntomology
dc.subjectGenomics
dc.subjectMolecular biology
dc.subjectZoology
dc.subjectDispersal
dc.subjectFlight genetics
dc.subjectFlight mill
dc.subjectGene expression
dc.subjectForest pest
dc.subjectGenetic systems
dc.subjectDendroctonus
dc.subjectDispersal physiology
dc.subjectFlight physiology
dc.subjectInsect flight
dc.titleIdentification of genes and gene expression associated with dispersal capacity in the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae)
dc.typehttp://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_970fb48d4fbd8a85
ual.jupiterAccesshttp://terms.library.ualberta.ca/public

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