Disease: Swiss needle cast

Genome sequences of three genetic lineages of the fungus Nothophaeocryptopus gaeumannii, the causal agent of Swiss needle cast on Douglas-fir trees

Researchers sequenced the complete genomes of three different genetic strains of a fungus that causes Swiss needle cast, a disease affecting Douglas-fir trees in the Pacific Northwest. These fungal strains differ in their ability to adapt to different environmental conditions. The high-quality genome information will help scientists understand why these strains are different and how they might spread under changing climate conditions.

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Genomic Exploration of Climate-driven Evolution and Evolutionary Convergence in Forest Pathogens

This study examined three fungal diseases that harm forests to understand how they adapt to different climate conditions. Researchers found that all three pathogens rely on similar genetic changes to adapt to wet and humid environments, despite being very different species. Using computer models, they predicted how these diseases might spread differently as climate changes in the future, which could help forest managers prepare and protect trees.

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