Research Keyword: stress adaptation

Autophagy and the Mitochondrial Lon1 Protease Are Necessary for Botrytis cinerea Heat Adaptation

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Scientists studied how a fungus that causes gray mold disease adapts to heat stress by examining two key cellular processes: autophagy (cellular cleanup) and a mitochondrial protease called Lon1. They found that both processes work together to help the fungus survive high temperatures by removing damaged cellular components and maintaining healthy mitochondria. When either process was disrupted, the fungus became much more vulnerable to heat and could not survive as well.

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Autophagy and the Mitochondrial Lon1 Protease Are Necessary for Botrytis cinerea Heat Adaptation

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Researchers studied how a common plant-damaging fungus called Botrytis cinerea survives high temperatures. They found that two cellular cleanup systems—autophagy (which recycles damaged components) and a mitochondrial protease called Lon1—work together to help the fungus survive heat stress. When either system was disabled, the fungus was much more sensitive to heat and showed increased cell death, suggesting these processes are essential for the fungus’s survival strategy.

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Effects of simulated microgravity on biological features and virulence of the fungal pathogen Cryptococcus neoformans

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Scientists studied how a dangerous fungus called Cryptococcus neoformans behaves in space-like conditions. They found that in simulated microgravity, the fungus becomes more dangerous by developing thicker protective capsules and producing more melanin, while also becoming more resistant to certain stresses. Interestingly, the fungus became more sensitive to one antifungal drug but maintained resistance to others. When tested on microscopic worms, the fungus grown in simulated microgravity killed them more quickly, suggesting space conditions could make this fungus more harmful to astronauts.

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