Research Keyword: ITS2

Metabarcoding Unveils Seasonal Soil Microbiota Shifts and Their Influence on Boletus edulis and Boletus reticulatus Mycelium in Quercus robur Stands

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This research studied how soil bacteria and fungi change across fall months in oak forests in Spain and how these changes relate to the growth of valuable edible mushrooms (Boletus species). Scientists used DNA analysis to identify thousands of different microorganisms in the soil. They found that September had the most diverse microbial communities, October showed a decline, and November saw partial recovery. Importantly, Boletus mycelium showed different patterns of growth depending on the month and was associated with specific beneficial bacteria and fungi.

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Pomegranate Woody Mycobiota Associated with Wood Decay

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Pomegranate trees in Italy are suffering from a wood disease that causes cankers and browning of the wood, leading to plant death and crop loss. Researchers identified multiple fungal species responsible for this disease, with Neofusicoccum parvum and Diaporthe species being the main culprits. Cold winter temperatures appear to weaken trees, making them susceptible to these fungal infections. Using advanced DNA analysis along with traditional methods, scientists confirmed which fungi cause the most damage and how the disease develops.

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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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Progression of saproxylic fungal communities in fine woody debris in boreal forests of Oulanka, Finland, assessed by DNA metabarcoding

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Researchers used a novel method called MycoPins—sterilized wooden pins buried in forest soil—combined with DNA analysis to identify and track fungal communities decomposing dead wood in Finnish boreal forests. Over one year, they found 215 fungal species colonizing these pins across three different forest types. Notably, 41 of these species had never been recorded in the region before, showing that DNA-based methods can reveal fungal diversity that traditional observation methods miss.

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