ITS sequencing – Page 3

Diversity of Sordariales Fungi: Identification of Seven New Species of Naviculisporaceae Through Morphological Analyses and Genome Sequencing

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Scientists discovered seven new species of fungi in the Naviculisporaceae family by combining DNA sequencing with traditional microscopic examination. They collected samples from soil and animal dung around the world and sequenced the genomes of 25 fungal strains. By comparing genetic information and growing the fungi in laboratory conditions to observe their reproductive structures, they could definitively identify which fungi were new species. This research greatly expands our understanding of fungal diversity.

Naganishia albidus Causing Perioral Cutaneous Infection: A Rare Case Easily Misdiagnosed

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A 37-year-old man developed an unusual fungal skin infection around his mouth caused by Naganishia albidus, a rare yeast. He was initially misdiagnosed with eczema and his condition worsened with wrong treatment. Advanced fungal testing techniques helped identify the correct organism, and after six weeks of antifungal medication (both oral and topical), his skin completely cleared. This case shows why doctors need to consider rare fungal infections when skin problems don’t respond to typical treatments.

Candida vulturna, the Next Fungal Menace? A Narrative Review

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Candida vulturna is a newly discovered yeast that causes serious blood infections, particularly in vulnerable patients like premature infants and those with cancer. Though still rare, cases are increasingly appearing in tropical regions with documented hospital outbreaks. While the infection has a better survival rate than related species, it resists several common antifungal drugs, making treatment challenging and requiring careful use of remaining effective medications.

Wildlife Dermatophytoses in Central Italy (Umbria and Marche Regions): A Fifteen-Year Investigation (2010–2024)

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Researchers studied fungal skin infections in wild animals across two Italian regions over 15 years, finding that about 11% carried dermatophyte fungi. Grey squirrels were most commonly infected, and some of these fungi can spread to humans through contact. The study highlights how wild animals act as sentinels for emerging diseases and emphasizes the importance of protective equipment when handling wildlife.

Arbuscular Mycorrhizal and Trichoderma longibrachiatum Enhance Soil Quality and Improve Microbial Community Structure in Albic Soil Under Straw Return

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Researchers found that combining two beneficial soil fungi—arbuscular mycorrhizal fungi and Trichoderma longibrachiatum—significantly improved poor quality albic soils when straw was returned to fields. The combined treatment increased soil pH, nutrients, and enzyme activity while promoting beneficial bacteria like Sphingomonas. This microbial approach offers farmers a sustainable, environmentally friendly way to restore degraded soils and improve agricultural productivity in regions with challenging soil conditions.

First Report of Trametes hirsuta, Causal Agent White Rot in Avocado Trees Grown in the State of Michoacán, México

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Researchers discovered that a wood-decay fungus called Trametes hirsuta is causing serious damage to avocado trees in Michoacán, México, the world’s largest avocado-producing region. The fungus infects tree trunks and branches, causing white rot that eventually kills the trees. About 60% of surveyed avocado trees showed signs of infection. Laboratory experiments confirmed that this fungus, previously known only as a decomposer of dead wood, can actively infect and destroy living avocado trees through wounds in the bark.

Soil microorganism colonization influenced the growth and secondary metabolite accumulation of Bletilla striata (Thunb.) Rchb. F.

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Chinese ground orchid (Bletilla striata) is a medicinal plant whose growth and medicinal compound production depend heavily on soil microorganisms. Researchers found that different soil types harbor different beneficial microbes: sandy loam soils boost plant growth, while sandy clay soils increase medicinal compound concentration. Specific microbes colonize different plant parts, with some promoting growth in roots and tubers, while others enhance the production of militarine, a compound with potential anti-aging and cognitive benefits.

Sarocladium implicatum: an unusual agent of opportunistic infection in a COVID-19 patient

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A patient hospitalized with severe COVID-19 developed an unusual infection caused by a mold called Sarocladium implicatum, which typically affects plants. Due to weakened immune system from his illness and medications, the fungus spread to his bloodstream and lungs, causing persistent fever and a cavity in his lung. After molecular testing identified the fungus, he was treated with an antifungal medication called voriconazole, which successfully cured the infection.

Two Novel Exophiala Species Isolated from Galls on the Chinese Magnolia-Vine (Schisandra Chinensis) in Korea

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Scientists in Korea discovered two previously unknown types of black yeast fungi living inside galls (abnormal growths) on Chinese magnolia vines caused by tiny gall midge insects. Using genetic testing and microscopic examination, they identified these as entirely new species of fungi. These fungi appear to have beneficial relationships with their host plants, potentially helping them grow better and resist environmental stress. This discovery adds to our understanding of the diverse fungal species in Korea and their interactions with plants and insects.

Isolation, identification and antibacterial activity of endophytes from the seeds of Panax japonicus

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Researchers isolated and identified 10 different microorganisms (7 fungi and 3 bacteria) living inside Panax japonicus seeds. They found that a specific type of bacteria (Enterobacteriaceae and Pseudomonas) may help promote seed growth, while certain fungi may inhibit it. The study also determined the best way to sterilize seeds before experimentation, which is important for studying plant propagation of this valuable medicinal herb.

Research Keyword: ITS sequencing