ArticleScientific reports2017
Insect herbivory (Choristoneura fumiferana, Tortricidea) underlies tree population structure (Picea glauca, Pinaceae).
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 25 citations in OpenAlex.
- Variation in the Molecular Phenotype of βglu-1, an Insect Defence-Related Beta-Glucosidase Gene, in Two Transcontinental Picea Species.Molecular ecology · 2025Article
- Complementary roles of two classes of defense chemicals in white spruce against spruce budworm.Planta · 2024Article
- Long-insert sequence capture detects high copy numbers in a defence-related beta-glucosidase gene βglu-1 with large variations in white spruce but not Norway spruce.BMC genomics · 2024Article
- Integrating genomic information and productivity and climate-adaptability traits into a regional white spruce breeding program.PloS one · 2022Article
- Defensive Traits during White Spruce (Insects · 2021Article
- Genomic selection for resistance to spruce budworm in white spruce and relationships with growth and wood quality traits.Evolutionary applications · 2020Article
- Continent-wide population genomic structure and phylogeography of North America's most destructive conifer defoliator, the spruce budworm (Ecology and evolution · 2020Article
- Hydroxyacetophenone defenses in white spruce against spruce budworm.Evolutionary applications · 2020Article
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- Association genetics of acetophenone defence against spruce budworm in mature white spruce.BMC plant biology · 2018Article
- Article
- A Conifer UDP-Sugar Dependent Glycosyltransferase Contributes to Acetophenone Metabolism and Defense against Insects.Plant physiology · 2017Article
- Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Variation in insect herbivory can lead to population structure in plant hosts as indicated by defence traits. In annual herbaceous, defence traits may vary between geographic areas but evidence of such patterns is lacking for long-lived species. This may result from the variety of selection pressures from herbivores, long distance gene flow, genome properties, and lack of research. We investigated the antagonistic interaction between white spruce (Picea glauca) and spruce budworm (SBW, Choristoneura fumiferana) the most devastating forest insect of eastern North America in common garden experiments. White spruces that are able to resist SBW attack were reported to accumulate the acetophenones piceol and pungenol constitutively in their foliage. We show that levels of these acetophenones and transcripts of the gene responsible for their release is highly heritable and that their accumulation is synchronized with the most devastating stage of SBW. Piceol and pungenol concentrations negatively correlate with rate of development in female SBW and follow a non-random geographic variation pattern that is partially explained by historical damage from SBW and temperature. Our results show that accumulation of acetophenones is an efficient resistance mechanism against SBW in white spruce and that insects can affect population structure of a long-lived plant.
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