Research Keyword: rDNA

Identification of Pseudocercospora mori as the causal agent of grey leaf spot disease in mulberry (Morus atropurpurea) from various localities in Guangdong Province, China

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Researchers identified a fungus called Pseudocercospora mori as the cause of grey leaf spot disease in mulberry trees grown in Guangdong Province, China. Using advanced DNA sequencing and traditional microscopy, they confirmed this pathogen causes dark spots on mulberry leaves that reduce quality and yield, harming the silk industry that relies on mulberry leaves to feed silkworms. The study developed specific detection methods to help farmers identify and manage this disease in their orchards.

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Rhino sinusitis caused by Lasiodiplodia theobromae in a diabetic patient

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A 56-year-old diabetic man developed a sinus infection caused by a rare fungus called Lasiodiplodia theobromae, which typically affects plants. The infection was diagnosed through laboratory testing and DNA sequencing, as traditional identification methods were inconclusive. The patient was successfully treated with a combination of sinus surgery and a six-week course of antifungal medication, showing complete recovery after one year of follow-up.

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Geoglossum subdifforme sp. nov. and G. simile, Two New Earth Tongues from South Korea

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Researchers in South Korea discovered two earth tongue fungal species, one new to science. Using DNA analysis and microscopic examination, they confirmed G. simile was previously unknown in Asia and identified a brand new species, G. subdifforme, that grows on Korean islands. These findings expand our understanding of fungal diversity in South Korea and show that molecular analysis is essential for properly identifying these small, dark mushroom-like organisms.

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