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Hydroxyacetophenone Defenses in White Spruce Against Spruce Budworm

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Journal Evol Appl
Specialty Biology
Date 2020 Jan 2
PMID 31892944
Citations 9
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Abstract

We review a recently discovered white spruce () chemical defense against spruce budworm ( involving hydroxyacetophenones. These defense metabolites detected in the foliage accumulate variably as the aglycons, piceol and pungenol, or the corresponding glucosides, picein and pungenin. We summarize current knowledge of the genetic, genomic, molecular, and biochemical underpinnings of this defense and its effects on . We present an update with new results on the ontogenic variation and the phenological window of this defense, including analysis of transcript responses in to herbivory. We also discuss this chemical defense from an evolutionary and a breeding context.

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