species delimitation

A multilocus phylogeny of Hericium (Hericiaceae, Russulales)

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Researchers conducted the first comprehensive genetic study of lion’s mane mushrooms (Hericium species) using advanced DNA sequencing techniques. The study resolved long-standing confusion about different species and their relationships, while also describing a new species from western North America. These mushrooms are prized both as food and for traditional medicinal uses, particularly in Asia, and contain compounds with potential anti-inflammatory, antimicrobial, and neuroprotective properties. Better identification of species will help both commercial cultivators and medical researchers work with the correct organisms.

Three new Pseudogymnoascus species (Pseudeurotiaceae, Thelebolales) described from Antarctic soils

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Scientists discovered three new types of fungi living in Antarctic soils, naming them Pseudogymnoascus russus, P. irelandiae, and P. ramosus. Using genetic analysis and genome sequencing, researchers showed these fungi are adapted to survive in extremely cold conditions and represent previously unknown members of the Pseudogymnoascus family. This discovery adds to our understanding of Antarctic microbial life and suggests many more undescribed fungi may exist in Earth’s coldest environments.

Onygenales from marine sediments: diversity, novel taxa, global distribution, and adaptability to the marine environment

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Researchers discovered 22 different species of fungi living in marine sediments off the coast of Spain, including 6 previously unknown species. These fungi have special adaptations allowing them to survive in salty seawater and break down complex organic materials. The findings expand our understanding of fungal life in ocean environments and reveal how these organisms contribute to marine nutrient cycles.

Onygenales from marine sediments: diversity, novel taxa, global distribution, and adaptability to the marine environment

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Researchers discovered and identified diverse fungi called Onygenales living in marine sediments along the Spanish coast. These fungi can survive in salty ocean water and break down various organic materials including plant cellulose. The study identified several new fungal species never before known to science, showing that marine environments harbor much greater fungal diversity than previously recognized.

Phylogenetic diversity of Colletotrichum species (Sordariomycetes, Glomerellales, Glomerellaceae) associated with plant diseases in Thailand

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Researchers identified eight species of Colletotrichum fungi causing plant diseases in Thailand. They discovered two completely new species and found these fungi on 13 additional plant hosts previously unknown. Using DNA analysis, they confirmed the identity of each fungal species and documented their characteristics. This work helps farmers and scientists better identify and manage these damaging plant pathogens.

The genus Clavariadelphus (Clavariadelphaceae, Gomphales) in China

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This study identifies and describes Clavariadelphus fungi found in China, a type of club-shaped mushroom. Researchers examined 50 specimens and discovered eleven different species, including four new species never before described. They used DNA analysis, microscopy, and chemical tests to identify and distinguish between species. Some of these mushrooms are sold as edible in Chinese markets, making this research important for both scientific classification and food identification.

Pyrenophora Species Associated with Barley and Wheat in Japan

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Scientists in Japan discovered that wheat and barley plants showing yellow spot disease were infected by a different fungus than previously thought. Using genetic testing, they found that isolates labeled as Pyrenophora tritici-repentis were actually Pyrenophora trichostoma. This discovery is important because it means scientists need to update their understanding of which fungi cause this crop disease in Japan and worldwide.

Detection of Pestalotiopsis abbreviata sp. nov., the Causal Agent of Pestalotiopsis Leaf Blight on Camellia japonica Based on Metagenomic Analysis

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Researchers discovered a new fungal species called Pestalotiopsis abbreviata that causes leaf disease on Camellia japonica, an ornamental tree popular in Korea. Instead of using traditional time-consuming laboratory methods, they used advanced genetic sequencing (metagenomic analysis) to quickly identify the fungus among hundreds of other microbes living on the tree leaves. This new approach is faster and more accurate than old methods, making it easier to monitor and manage plant diseases in the future.

Two new Periconia species (Pleosporales, Ascomycota) in China

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Scientists discovered two new fungal species belonging to the genus Periconia in China. These fungi were collected from freshwater streams and corn plants in Guangxi and Yunnan provinces. Using genetic analysis and microscopy, researchers confirmed these as previously unknown species and named them Periconia guangxiense and Periconia xishuangbannaensis. This discovery adds to our understanding of fungal diversity in China and shows that many fungal species remain yet to be discovered.

Plant Pathogenic Fungi Special Issue: Genetics and Genomics

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This scientific review discusses how modern genetics and genomics tools are helping researchers better understand and manage plant diseases caused by fungi. Seven research studies are presented covering topics like identifying different fungal species, understanding how fungi attack plants, and finding natural alternatives to chemical fungicides. The research emphasizes the importance of monitoring fungal diseases and developing crops that resist infection to protect global food production.

Research Keyword: species delimitation