thermotolerance – Page 2

iTRAQ-Based Quantitative Proteomic Analysis Reveals Proteomic Changes in Mycelium of Pleurotus ostreatus in Response to Heat Stress and Subsequent Recovery

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This study examined how oyster mushrooms respond to high temperatures using advanced protein analysis techniques. Researchers found that when mushroom mycelium was exposed to 40°C heat, it damaged cell membranes and changed the levels of hundreds of proteins. However, when the temperature returned to normal, the mushrooms could repair the damage and recover. Key proteins including heat shock proteins and stress-response enzymes played important roles in protecting the mushroom cells and helping them survive heat stress.

Thermotolerance and post-fire growth in Rhizina undulata is associated with the expansion of heat stress-related protein families

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Scientists sequenced the genome of a fungus called Rhizina undulata that uniquely depends on fire to activate its growth and infect conifer trees. By comparing this fungus to related species, they discovered it has extra copies of genes that produce special proteins for handling heat stress and dealing with the chemical changes that occur after fires. This finding helps explain how the fungus survives extreme heat and thrives in fire-damaged forests, which is important knowledge for forest management.

Integrated Transcriptomic and Proteomic Analyses Reveal Molecular Mechanism of Response to Heat Shock in Morchella sextelata

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Morels are delicious edible mushrooms, but growing them is challenging when temperatures get too high. Scientists studied two morel strains to understand how they respond to heat stress by examining their genes and proteins. They found that heat-tolerant strains activate special protective proteins and metabolic pathways, with one strain particularly good at activating a protein called Rsp5 that helps other protective proteins work better. These findings could help farmers grow better morels even as climate change makes temperatures warmer.

Integrated Transcriptomic and Proteomic Analyses Reveal Molecular Mechanism of Response to Heat Shock in Morchella sextelata

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Morels are delicious mushrooms that are difficult to grow because they are very sensitive to high temperatures. Scientists compared two different morel strains to understand why one variety can tolerate heat better than the other. By studying the genes and proteins expressed at normal and high temperatures, researchers discovered that the heat-tolerant strain activates specific protective mechanisms, particularly through a protein called Rsp5 that helps boost other protective proteins. This research provides valuable information for breeding morel varieties that can survive warmer growing conditions in the age of climate change.

Construction of a heat-resistant strain of Lentinus edodes by fungal Hsp20 protein overexpression and genetic transformation

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Scientists successfully created a heat-resistant version of shiitake mushrooms by adding extra copies of a heat-protection gene from button mushrooms. The modified mushrooms can survive higher temperatures and recover better after heat stress compared to regular shiitake strains. This genetic improvement could help shiitake farming expand to warmer regions and times of year, potentially increasing production worldwide.

Editorial: Fungal virulence

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This editorial discusses how fungi are becoming more dangerous to human health due to climate change and rising temperatures. Researchers are studying the specific mechanisms that make fungi harmful, including how they stick to human cells and form protective biofilms. The review highlights several important discoveries about different pathogenic fungi and suggests better ways to diagnose and treat fungal infections through understanding how environmental factors influence fungal behavior.

Presence of white-nose syndrome in bats from Southern Mexico

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Researchers found evidence that white-nose syndrome, a deadly fungal disease affecting bats, has reached southern Mexico. The fungus was detected in bat samples from a cave in Oaxaca, confirming earlier predictions about its spread from North America. The fungus can survive at temperatures ranging from cold to tropical heat, making it a significant threat to bat populations across diverse habitats in Mexico and beyond.

Thermotolerance and post-fire growth in Rhizina undulata is associated with the expansion of heat stress-related protein families

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Rhizina undulata is a fungus that infects conifer trees and uniquely relies on the heat from forest fires to wake up and start growing. Scientists sequenced the fungus’s DNA and discovered it has extra copies of genes that help it survive extreme heat, deal with harmful molecules created by heat stress, and digest burned plant material. These genetic adaptations explain how this fungus has evolved to take advantage of fire events for its survival and spread.

Research Keyword: thermotolerance