Research Keyword: genetic markers

Mitochondrial genome characterization, evolution and intron dynamics of the entomopathogenic genus Cordyceps

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This research examined the genetic instruction manuals (mitochondrial DNA) of seven different Cordyceps fungal species. Scientists found that these fungi have varying amounts of genetic material, primarily due to differences in introns—sections that can be inserted or removed from genes. By comparing their genomes, researchers clarified how different Cordyceps species are related to each other evolutionarily, providing better tools for identifying and classifying these medically valuable fungi.

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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.

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Morphological, Genetic, and Microbiological Characterization of Tuber magnatum Picco Populations from “Alto Molise”, Central-Southern Italy

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Italian white truffles from the Molise region were studied to identify unique characteristics that could help verify their authenticity and origin. Researchers examined the physical features, genetic makeup, and microbial communities of truffles from four different municipalities. They discovered that truffles from certain areas share a unique genetic marker not found elsewhere in Italy, and that different populations have distinct microbial communities. These findings could help prevent truffle fraud and protect the reputation of Molise truffles in the global market.

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Genetic Clarification of Auricularia heimuer Strains Bred and Cultivated in Korea Using the ITS and IGS1 rDNA Region Sequences

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Researchers in Korea discovered that Auricularia mushrooms grown there are actually a different species than previously thought. By analyzing the genetic code of different mushroom strains, scientists confirmed they are all the species A. heimuer rather than A. auricula-judae. They also found that using specific genetic markers (IGS1 sequences) could tell apart different mushroom varieties and identify which strains were produced through breeding.

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Morphological and phylogenetic evaluation of a new species of Rhodoveronaea (Rhamphoriaceae, Rhamphoriales) associated with Quercus fabrei (Fagales) in Yunnan Province, China

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Scientists discovered a new fungal species called Rhodoveronaea querci living on dead oak wood in Yunnan Province, China. The fungus was identified through detailed microscopic examination and DNA analysis, comparing it to similar species. This discovery adds to our understanding of the diverse fungi living on oak and other trees in Asian forests.

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