Research Topic: bacterial-fungal interactions

A broad-spectrum anti-fungal effector dictates bacterial-fungal interkingdom interactions

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Scientists discovered that a common soil bacterium called Acidovorax citrulli has a sophisticated weapon to fight dangerous fungi. This bacterium uses a needle-like structure to inject a toxic protein called TseN directly into fungal cells, where it damages the fungal DNA and causes death. This new discovery is particularly exciting because it works against drug-resistant fungi like Candida auris that are increasingly hard to treat. Tests in mice confirmed that this bacterial attack significantly reduces fungal infections on skin.

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Volatile Metabolome and Transcriptomic Analysis of Kosakonia cowanii Ch1 During Competitive Interaction with Sclerotium rolfsii Reveals New Biocontrol Insights

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Researchers studied how a beneficial bacterium called K. cowanii fights against a harmful soil fungus (S. rolfsii) that damages crops like chili peppers. The bacterium produces special smelly compounds (VOCs) that kill the fungus. When these compounds are present, the bacterium activates specific genes that help it produce substances to protect itself and inhibit fungal growth. This research could help farmers use natural biocontrol instead of chemical fungicides.

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Microbial communities inhabiting the surface and gleba of white (Tuber magnatum) and black (Tuber macrosporum) truffles from Russia

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This research identifies the various microorganisms living inside truffles, particularly Tuber magnatum (white truffle) and Tuber macrosporum (black truffle). The study found that a yeast-like fungus called Geotrichum consistently lives in both truffle types and likely helps with spore dispersal through smell-producing compounds. The researchers discovered that different parts of the truffle have different microbial communities, which explains why truffles have such unique flavors and aromas.

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Impact of Oxalic Acid Consumption and pH on the In Vitro Biological Control of Oxalogenic Phytopathogen Sclerotinia sclerotiorum

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Scientists studied how bacteria that eat oxalic acid can control a destructive plant fungus called Sclerotinia sclerotiorum. The fungus produces oxalic acid to damage crops, but when special bacteria consume this acid, they change the soil pH to become more alkaline, which the fungus cannot tolerate. This research shows that pH changes are just as important as removing the acid itself for controlling this pathogenic fungus in agriculture.

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