ArticleHeredity2018
Genetic control and evolutionary potential of a constitutive resistance mechanism against the spruce budworm (Choristoneura fumiferana) in white spruce (Picea glauca).
Article in Heredity, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Variation in the Molecular Phenotype of βglu-1, an Insect Defence-Related Beta-Glucosidase Gene, in Two Transcontinental Picea Species.Molecular ecology · 2025Article
- The Effect of Picein on Inhibitory Avoidance Memory and Activity of Antioxidant Enzymes in Hippocampus of Male Rats with Scopolamine-Induced Injury.Molecular neurobiology · 2025Article
- Reconstructing spruce budworm outbreak severity: a comparison of paleoecological and tree-ring signals.PloS one · 2025Article
- The Antioxidative Effects of Picein and Its Neuroprotective Potential: A Review of the Literature.Molecules (Basel, Switzerland) · 2022Review
- Integrating genomic information and productivity and climate-adaptability traits into a regional white spruce breeding program.PloS one · 2022Article
- Genomic selection for resistance to spruce budworm in white spruce and relationships with growth and wood quality traits.Evolutionary applications · 2020Article
- Functional and morphological evolution in gymnosperms: A portrait of implicated gene families.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
- Association genetics of acetophenone defence against spruce budworm in mature white spruce.BMC plant biology · 2018Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Insect herbivory may drive evolution by selecting for trees with heritable resistance against defoliation. The spruce budworm (Choristoneura fumiferana, SBW) is a highly damaging forest insect pest that can affect population structure of white spruce (Picea glauca) in North America. Resistance against SBW was recently described in white spruce and was linked to three constitutive resistance biomarkers: the phenolic compounds piceol and pungenol, and expression of a beta-glucosidase encoding gene (Pgβglu-1). We investigated the phenotypic variability and heritability of these resistance biomarkers and of picein, the precursor of piceol, in the foliage of 874 trees belonging to 33 full-sib families and 71 clonal lines under evaluation in seven field locations in Eastern Canada. We aimed to (i) determine their genetic control, (ii) estimate the genetic and phenotypic correlations among defense biomarkers, and (iii) determine whether their constitutive levels are associated with detrimental trade-offs on growth. Quantitative genetics analyses indicated that all four traits are moderately to highly heritable. The full-sib and clonal analyses showed that additive and non-additive genetic effects play major and minor roles, respectively. Positive genetic and phenotypic correlations between resistance biomarkers and primary growth indicated that there is no trade-off between total height and height increment and resistance traits, contradicting the GDBH (Growth Differentiation Balance Hypothesis). Our findings about the predominant additive genetic basis of the resistance biomarkers show that adaptive evolution of white spruce natural populations to resist to SBW is possible and that potentially important gains could also be expected from artificial selection.
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