Species identification – Page 4

Identification of Challenging Dermatophyte Species Using Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry

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This study shows that a specialized technique called MALDI-TOF mass spectrometry can accurately identify fungal skin infections by analyzing protein patterns. Researchers created a customized library of local fungal species that, when combined with commercial databases, improved identification accuracy from 16% to 91%. This advancement helps doctors quickly identify the exact type of fungal infection patients have, enabling faster and more appropriate treatment decisions.

Acute fungal endometritis in women with abnormal uterine bleeding: Clinical and microbiological insights

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Women with persistent abnormal uterine bleeding often undergo extensive testing without finding a cause. This study discovered that fungal infections, caused by Candida species, may be responsible for about 12% of such cases. The researchers found that direct sampling of the uterine lining is essential for diagnosis since surface vaginal cultures miss these infections. Treatment with an antifungal medication called voriconazole combined with surgical cleaning of the uterus proved effective in resolving the condition.

Overview of the Genus Pseudocercospora on Vitaceous Plants in Korea with Introduction of Pseudocercospora neovitis sp. nov.

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Researchers in Korea identified and characterized three fungal species that cause leaf spot diseases on grape plants and related vines. They discovered a new fungal species called Pseudocercospora neovitis on wild grapes (Vitis flexuosa) and found that a common grape leaf spot fungus (Ps. vitis) also infects the commercial grape variety Campbell Early in Korea. These findings help understand the diversity of fungal pathogens affecting grape production and related plants.

A Pragmatic Strategy for Improving Diagnosis of Invasive Candidiasis in UK and Ireland ICUs

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Diagnosing invasive candidiasis (a serious fungal infection in ICU patients) is challenging because current blood culture tests are slow and insensitive. This paper presents a practical five-step diagnostic guide for UK and Ireland hospitals that combines risk assessment, biomarker tests, and rapid identification methods to diagnose the infection faster and more accurately. Using this strategy helps doctors avoid unnecessary antifungal drugs while ensuring seriously ill patients receive appropriate treatment quickly, ultimately improving survival rates.

Gapless near Telomer-to-Telomer Assembly of Neurospora intermedia, Aspergillus oryzae, and Trichoderma asperellum from Nanopore Simplex Reads

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Researchers developed a new method to create complete, high-quality genetic maps of fungi using a single affordable sequencing technology from Oxford Nanopore. They created an automated computer program that processes the sequencing data without human intervention and successfully assembled complete genomes for three industrially important fungal species. This breakthrough could make it much easier and cheaper for scientists to study and use fungi for producing medicines, food ingredients, and other useful compounds.

Yeast Diversity on Sandy Lake Beaches Used for Recreation in Olsztyn, Poland

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Researchers studied yeasts living in sand from four recreational lakes in Poland over two summers. They found 62 different yeast species, including 8 potentially harmful types that can cause infections in humans. The study shows beach sand contains significant microbial contamination that should be regularly monitored to protect swimmers, especially people with weakened immune systems or skin injuries.

Isolation and molecular identification of pathogens causing sea turtle egg fusariosis in key nesting beaches in Costa Rica

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Scientists discovered that two harmful fungi, Fusarium falciforme and Fusarium keratoplasticum, are present on sea turtle nesting beaches across Costa Rica. These fungi can infect turtle eggs and cause high mortality rates in developing embryos. The researchers used advanced genetic techniques to accurately identify these pathogens and found them widespread at important nesting sites, highlighting the need for monitoring and protection strategies to prevent this emerging disease from becoming a major threat to sea turtle populations.

Four new species of Beltraniella (Amphisphaeriales, Beltraniaceae) revealed by morphology and phylogenetic analyses from China

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Scientists discovered four new species of fungi called Beltraniella in southern China. These tiny fungi help break down dead leaves and plant matter in forests, playing an important role in maintaining ecosystem health. The researchers identified these new species by examining their physical characteristics under microscopes and analyzing their DNA sequences. This discovery adds to our understanding of the diverse fungal communities found in tropical and subtropical regions.

Prevalence of Candida and Other Yeasts in Vulvovaginal Infections during Pregnancy: A 10-Year Serbian Survey

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This study examined yeast infections in pregnant Serbian women over 10 years, finding that nearly half had vulvovaginal yeast infections. While Candida albicans remained the most common cause, other yeast species are increasingly found and can be harder to treat. The research emphasizes the importance of accurate laboratory identification of yeast species to guide proper antifungal treatment and prevent serious complications for both mother and newborn.

Morphological and phylogenetic analyses reveal two new species of Rhodoveronaea (Rhamphoriaceae, Rhamphoriales) from China

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Scientists discovered two new fungal species living in freshwater habitats in China. These fungi, named Rhodoveronaea aquisubtropica and R. guizhouensis, were found in decaying wood in the Chishui River. By comparing their DNA and physical characteristics with known species, researchers confirmed they were previously unknown to science. These discoveries add to our understanding of fungal diversity in freshwater ecosystems.

Research Keyword: Species identification