ArticleMetabolites2023
Bark Beetles Utilize Ophiostomatoid Fungi to Circumvent Host Tree Defenses.
Article in Metabolites, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Dose-response modelling uncovers compound-specific inhibitory effects of host defence volatiles on mountain pine beetle fungal symbionts.Pest management science · 2026Article
- Amplicon-Based Profiling of Fungal Communities Associated with Scots Pine Bark Beetles: Selective Antagonism and Monoterpene Tolerance.International journal of molecular sciences · 2026Article
- A scalable PDMS extraction method for profiling fungal volatile compounds.Fungal biology and biotechnology · 2026Article
- First Report ofPlant-environment interactions (Hoboken, N.J.) · 2026Article
- From beginning to end: the synecology of tree-killing bark beetles, fungi, and trees.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Fungi associated with Norway spruce and its bark beetles detoxify spruce defense compounds by conjugation to α-ribose.The ISME journal · 2026Article
- Pine monoterpenes drive growth, competition, and volatile metabolism of symbiotic fungi associated with the mountain pine beetle.FEMS microbiology letters · 2026Article
- Advancing Semiochemical Tools for Mountain Pine Beetle Management:Metabolites · 2025Article
- Ambrosia gall midges (Diptera: Cecidomyiidae) and their microbial symbionts as a neglected model of fungus-farming evolution.FEMS microbiology reviews · 2025Review
- Article
- A Pine in Distress: How Infection by Different Pathogenic Fungi Affect Lodgepole Pine Chemical Defenses.Microbial ecology · 2023Article
- Genome and transcriptome ofiScience · 2023Article
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Authors and funding
4 authors.
Funding
Abstract
Bark beetles maintain symbiotic associations with a diversity of microbial organisms, including ophiostomatoid fungi. Studies have frequently reported the role of ophiostomatoid fungi in bark beetle biology, but how fungal symbionts interact with host chemical defenses over time is needed. We first investigated how inoculations by three fungal symbionts of mountain pine beetle affect the terpene chemistry of live lodgepole pine trees. We then conducted a complimentary laboratory experiment specifically measuring the host metabolite degradation by fungi and collected the fungal organic volatiles following inoculations with the same fungal species on lodgepole pine logs. In both experiments, we analyzed the infected tissues for their terpene chemistry. Additionally, we conducted an olfactometer assay to determine whether adult beetles respond to the volatile organic chemicals emitted from each of the three fungal species. We found that all fungi upregulated terpenes as early as two weeks after inoculations. Similarly, oxygenated monoterpene concentrations also increased by several folds (only in logs). A large majority of beetles tested showed a strong attraction to two fungal species, whereas the other fungus repelled the beetles. Together this study shows that fungal symbionts can alter host defense chemistry, assist beetles in overcoming metabolite toxicity, and provide possible chemical cues for bark beetle attraction.
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