Research Keyword: temperature-dependent growth

Diaporthe foeniculina and D. eres, in addition to D. ampelina, may cause Phomopsis cane and leaf spot disease in grapevine

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Researchers found that three different fungal species, not just one, cause a disease called Phomopsis cane and leaf spot in grapevines grown in Southern Europe. While Diaporthe ampelina remains the primary culprit, two other species (D. eres and D. foeniculina) can also cause the same disease symptoms. Interestingly, these different fungi prefer different temperatures for growth, which means farmers may need to adjust their disease management strategies based on which species is present in their vineyards.

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Select and Resequence Methods Enable a Genome-Wide Association Study of the Dimorphic Human Fungal Pathogen Coccidioides posadasii

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Scientists developed a new method to understand how different strains of the fungus Coccidioides posadasii, which causes Valley Fever, respond to temperature changes. By mixing multiple fungal strains together and sequencing their DNA after growing them at different temperatures, they identified a gene that helps determine whether the fungus grows better in hot (body temperature) or cool (environmental) conditions. This discovery could help explain how this dangerous fungus adapts to human infection and may lead to better treatments for Valley Fever.

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Identification and Pathogenicity of Fusarium Fungi Associated with Dry Rot of Potato Tubers

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Researchers identified different Fusarium fungi causing potato dry rot in Russia and tested how they grow at various temperatures and how aggressively they damage potatoes. They found that F. sambucinum is the most dangerous because it can grow and cause rot even during cold storage, unlike other species. This research helps farmers understand which pathogens threaten their crops and how storage conditions affect disease development.

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Mucor germinans, a novel dimorphic species resembling Paracoccidioides in a clinical sample: questions on ecological strategy

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Researchers identified a new fungal species called Mucor germinans from a patient with Burkitt lymphoma that can switch between filamentous and yeast-like forms. This is unusual because Mucor species are typically identified by their thread-like filaments, not budding yeast cells. The yeast form appeared at body temperature and resembled a different fungus called Paracoccidioides, potentially causing misdiagnosis. The discovery emphasizes the importance of recognizing that some Mucor infections may present with yeast-like cells and highlights the need for rapid, accurate identification to guide appropriate antifungal treatment.

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