Research Keyword: bacterial-fungal interaction

Scanning electron microscopy of hyphal ectobiont bacteria within mycelial extracellular matrices

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Researchers studied how bacteria (Bacillus subtilis) attach to mushroom fungi (Lion’s Mane/Hericium erinaceus) in liquid cultures. Using a special drying technique and electron microscopy, they were able to see tiny structures where bacteria stick to the fungal threads. These structures are made of slimy substances produced by the fungus and could potentially allow bacteria to influence the fungus’s electrical and physical properties.

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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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This research demonstrates how a beneficial bacterium called Kosakonia cowanii Ch1 can fight a harmful fungus that damages crops. The bacterium produces volatile chemicals that inhibit fungal growth and shows different gene activity depending on whether these chemicals are present. When the beneficial bacteria and fungus compete together with the volatiles present, the bacteria win by producing gas bubbles and effectively stopping the fungus. These findings suggest a natural alternative to chemical fungicides for protecting crops.

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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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