Research Topic: host specificity

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

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Scientists in Taiwan have updated a comprehensive list of powdery mildew fungi that infect plants, adding 29 new host plant records. They identified 13 different species of these fungi using both traditional microscopy and modern DNA sequencing techniques. This updated list is important for farmers and gardeners to identify and manage powdery mildew diseases on their crops and plants.

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

mycolabadmin

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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