Research Keyword: microbial adaptation

Differential hypo-osmotic stress responses and regulatory mechanisms of Aspergillus sydowii in amphipod guts and hadal sediments

Scientists discovered a new fungus living in the guts of deep-sea amphipods and studied how it survives in extreme pressure and low-salt environments. By comparing this gut fungus with a similar fungus from deep-sea sediments, they found that the gut fungus is better adapted to low-salt conditions and produces different protective chemicals. The study reveals that fungi evolve different survival strategies depending on where they live, using changes in cell walls and energy production to handle environmental stress.

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Gene duplication, horizontal gene transfer, and trait trade-offs drive evolution of postfire resource acquisition in pyrophilous fungi

Scientists studied fungi that thrive in burned soils after wildfires. They discovered these ‘fire-loving’ fungi have special genes for breaking down charcoal and acquiring nutrients, but this specialization comes at a cost—they grow more slowly than other fungi. The research identified three main evolutionary strategies these fungi use: duplicating useful genes, sexually reproducing to create genetic diversity, and occasionally borrowing genes from bacteria. These findings could help develop treatments to restore polluted or fire-damaged soils.

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