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Items tagged with: barkbeetle
#Fungi disarm #BarkBeetle chemical shields by converting their plant-derived toxins phys.org/news/2025-12-fungus-b… pnas.org/doi/10.1073/pnas.2525…
"a bark beetle can co-opt a tree's defensive compounds to make defenses against its own enemies. However, since one of the enemies, the #fungus Beauveria bassiana, has developed the ability to detoxify these antimicrobial defenses, it can successfully infect the #BarkBeetles and thus actually help the tree in its battle against bark #beetles"
Fungus disarms bark beetle chemical shields by converting their plant-derived toxins
Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck Institute for Chemical Ecology in Jena has investigated how these plant defenses function within the food web, particularly in spruc…Max Planck Society (Phys.org)
The end of the great northern forests? The tiny tree-killing beetle wreaking havoc on our ancient giants
“This is a global phenomenon but it is also a complicated story,” says Prof Diana Six, a forest entomologist at the University of Montana.
theguardian.com/environment/ar…
The end of the great northern forests? The tiny tree-killing beetle wreaking havoc on our ancient giants
Forests across Europe, the US and Canada have been hard hit by drought, fires and bark beetles. Now scientists fear the northern hemisphere’s greatest carbon sink is nearing a tipping pointPatrick Greenfield (The Guardian)