Research Keyword: environmental factors

Biology and epidemiology of Diaporthe amygdali: understanding how environmental factors influence fungal growth, sporulation, infection and lesion development on almond

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This study investigates how temperature and rainfall affect a fungal disease that damages almond trees. Researchers found that the disease is most problematic during spring and autumn when rain is frequent and temperatures are moderate to warm. The pathogen can infect almond trees across a wide temperature range, but requires extended moisture periods for successful infection. These findings help farmers understand when and why this disease occurs, enabling better timing of preventive treatments.

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Potential Protective Role of Amphibian Skin Bacteria Against Water Mold Saprolegnia spp.

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Frogs have helpful bacteria living on their skin that can fight dangerous water molds called Saprolegnia. Scientists discovered that different types of bacteria, especially Bacillus species, can prevent these molds from growing. The study found that frogs from polluted or salty water actually had bacteria that were better at fighting the mold, likely because harsh conditions helped tougher bacteria survive. These protective bacteria might explain why adult frogs can resist these infections better than tadpoles or eggs.

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Effects of Temperature, pH, and Relative Humidity on Growth of Penicillium crustosum OM1 Isolated from Pears and Its Penitrem A Production

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Researchers found that a mold called Penicillium crustosum produces a dangerous neurotoxin called penitrem A that can contaminate pears and other foods. The study showed that this mold grows best at cool temperatures (25°C) but produces the most toxin at slightly cooler temperatures (22°C) with neutral acidity and high moisture levels. Understanding these conditions helps us develop better strategies to prevent this toxin from contaminating the fresh fruit we eat.

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New epidemiological routes of Coccidioidomycosis in Mexico – the extension of this pathogen to new areas

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Coccidioidomycosis, a fungal lung disease traditionally found in desert regions of Mexico and the southwestern United States, is spreading to new areas where it was never seen before. Researchers tracked 122 cases between 1991 and 2023 and found that nearly half of the patients had no history of travel to known high-risk areas, suggesting the disease is becoming established in new locations. Climate change and drought conditions are likely helping the fungus expand its range, making it important for doctors everywhere to consider this disease when diagnosing respiratory infections.

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