Research Keyword: environmental stress

Ambient ultraviolet radiation induces DNA damage in amphibian larvae under semi-natural conditions

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Scientists studied whether natural sunlight damages the DNA of tadpoles by raising striped marsh frog larvae in outdoor pools with either normal or reduced sun exposure. They found that natural sunlight does cause measurable DNA damage in tadpoles, and some individual tadpoles were more affected than others. This research suggests that as UV radiation changes due to climate change, some amphibian populations may face greater risks to their survival and development.

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MSB2-activated pheromone pathway regulates fungal plasma membrane integrity in response to herbicide adjuvant

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Commercial herbicides used in farming contain additives that can harm beneficial soil fungi more than the main active ingredient. This study shows that the additive Triton CG-110 in Roundup herbicide damages fungal cells by disrupting their ability to absorb nutrients. Fungi respond by activating a stress response pathway that helps them survive by reinforcing their cell membranes. Understanding these processes is important for protecting beneficial fungi used in agriculture.

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Characterization of spatio-temporal dynamics of the constrained network of the filamentous fungus Podospora anserina using a geomatics-based approach

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Researchers studied how a fungus called Podospora anserina adapts its growth pattern when exposed to challenging conditions like nutrient scarcity, temperature changes, and bright light. Using a novel computer mapping technique borrowed from geography, they discovered that fungi don’t just grow slower under stress—they reorganize how densely they pack their filaments. This geomatics approach revealed that different stresses cause different patterns of network densification, providing new insights into fungal survival strategies.

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