Research Keyword: host specificity

Mycelial communities associated with Ostrya carpinifolia, Quercus pubescens and Pinus nigra in a patchy Sub-Mediterranean Karst woodland

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This research studied how fungi living in soil connect to different tree roots in a rocky Mediterranean forest in Slovenia. Scientists found that different tree species have their own preferred fungal partners, though some fungi work with multiple trees. The fungi with longer connections through soil were more common under pine trees, while fungi with shorter reach were more common under oak and hornbeam trees.

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Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand

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Researchers studying fungi in Thai forests discovered four previously unknown species of Ophiocordyceps that parasitise different types of flies. Using DNA analysis combined with microscopic examination, scientists confirmed these fungi are distinct species, each specialising on particular fly types like houseflies, fruit flies, and robber flies. This research expands our understanding of the remarkable diversity of fungi that naturally control insect populations, which could have implications for biological pest control.

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Genomic insights reveal community structure and phylogenetic associations of endohyphal bacteria and viruses in fungal endophytes

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This study examined tiny bacteria and viruses living inside the filaments of fungi that colonize beech tree leaves. Researchers found that different types of bacteria show preferences for specific fungal groups, while viruses are less diverse and mostly DNA-based. Understanding these microscopic communities helps explain how fungi function and could eventually lead to using these organisms for controlling plant diseases.

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Twenty-nine new host records of powdery mildew fungi (Erysiphaceae) in Taiwan with an updated checklist

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Researchers updated Taiwan’s list of powdery mildew fungi, which are harmful plant pathogens affecting crops and trees worldwide. By collecting specimens from various locations and analyzing them using genetic sequencing and microscopy, they identified 29 new host-fungus combinations, with six Erysiphaceae species documented in Taiwan for the first time. The updated checklist now includes approximately 109 powdery mildew species known to affect 246 different host plant species across 75 plant families in Taiwan.

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Gene transfer between fungal species triggers repeated coffee wilt disease outbreaks

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A new study reveals that coffee wilt disease, which has destroyed coffee crops across Africa, emerges repeatedly because of gene-swapping between different fungal species. Scientists discovered that large chunks of DNA called ‘Starships’ act like genetic delivery vehicles, transferring disease-causing genes from one fungus to another. This genetic exchange allows the pathogen to adapt and infect different coffee plant species, causing successive outbreaks. Understanding this mechanism could help protect global coffee production in the future.

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