plant pathogen control

Isolation, identification and antibacterial activity of endophytes from the seeds of Panax japonicus

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This study investigated microscopic organisms living inside Panax japonicus seeds to understand why these seeds are difficult to grow. Researchers found the best way to clean the seeds and identified ten different microorganism species living in them. Most of these were fungi that may actually prevent seed germination, while certain bacteria species appear beneficial for plant growth and could potentially be used to improve seed cultivation in the future.

Complete genome analysis and antimicrobial mechanism of Bacillus velezensis GX0002980 reveals its biocontrol potential against mango anthracnose disease

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Researchers found a beneficial bacterium called Bacillus velezensis that can effectively fight the fungus causing brown spots on mangoes. The bacterium produces natural antibiotic compounds that kill the disease-causing fungus and can be sprayed on mangoes to keep them fresh longer during storage. This discovery offers a safer, eco-friendly alternative to harsh chemical fungicides for protecting the mango harvest.

Cinchona-based liquid formulation exhibits antifungal activity through Tryptophan starvation and disruption of mitochondrial respiration in Rhizoctonia Solani

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Scientists tested a plant-based extract from Cinchona bark as a natural fungicide against a serious fungus that damages rice crops. The active ingredient, quinine, works by two methods: it blocks the fungus from getting the amino acid tryptophan it needs to survive, and it damages the fungus’s energy-producing structures. When researchers added tryptophan back to the treated fungus, it recovered, confirming this is how the treatment works. This natural fungicide could offer farmers an eco-friendly alternative to chemical pesticides.

Strain and contact-dependent metabolomic reprogramming reveals distinct interaction strategies between Laccaria bicolor and Trichoderma

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This research explores how two types of soil fungi interact with each other through chemical signals. When Trichoderma (a beneficial biocontrol fungus) encounters Laccaria bicolor (a helpful fungus that aids plant growth), they communicate through airborne volatile compounds and secreted chemicals. The study found that these fungi employ different strategies depending on how close they are to each other, changing their chemical production to either compete or coexist, which has implications for improving agricultural biocontrol applications.

Biology and Application of Chaetomium globosum as a Biocontrol Agent: Current Status and Future Prospects

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Chaetomium globosum is a fungus that can protect crops from various plant diseases by producing toxic compounds and parasitizing harmful pathogens. It also helps plants defend themselves naturally and improves soil health by promoting beneficial microorganisms. This makes it a promising alternative to chemical pesticides for sustainable farming, though more research is needed to optimize its effectiveness in real field conditions.

The serine palmitoyl transferase of plant pathogenic fungi: a promising new target for the development of novel crop protection solutions

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Scientists have discovered a new type of fungicide called pyridazine carboxamides that effectively kill plant-damaging fungi by blocking a key enzyme involved in their cell membrane formation. These compounds work against many common crop diseases like gray mold and leaf spots, though they are less effective against certain wheat pathogens. The research validates this new approach as a promising tool for protecting crops and managing fungicide resistance while maintaining global food security.

Microbiome Analysis Reveals Biocontrol of Aspergillus and Mycotoxin Mitigation in Maize by the Growth-Promoting Fungal Endophyte Colletotrichum tofieldiae Ct0861

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Researchers discovered that a beneficial fungal endophyte called Colletotrichum tofieldiae can protect maize crops from contamination by harmful Aspergillus fungi that produce dangerous toxins called aflatoxins. When maize plants were treated with this endophyte either through seed coating or leaf spraying, they grew better and produced higher yields while also experiencing a dramatic 90% reduction in fungal contamination and extremely low aflatoxin levels. The protection mechanism appears to work indirectly by boosting the plant’s own defense systems rather than through direct combat with the pathogenic fungus, offering a sustainable and safe solution for improving crop quality and food safety.

Cinchona-based liquid formulation exhibits antifungal activity through Tryptophan starvation and disruption of mitochondrial respiration in Rhizoctonia Solani

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Scientists discovered that a liquid extract from Cinchona bark, which contains quinine, can effectively kill a fungus that damages rice crops. The treatment works by blocking the fungus’s ability to absorb tryptophan (an important amino acid) and damaging its energy-producing mitochondria. When tryptophan was added back to the treatment, the fungus recovered, confirming this is the main way the extract works. This natural, plant-based approach could provide an eco-friendly alternative to chemical fungicides while reducing the risk of the fungus developing resistance.

Antifungal and other bioactive properties of the volatilome of Streptomyces scabiei

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Researchers discovered that Streptomyces scabiei, a bacterium that causes common scab disease in potatoes and other root crops, produces numerous airborne chemical compounds with surprising benefits. Using advanced chemical analysis, they identified 36 different volatile molecules, many of which can kill harmful fungi and promote plant health. This discovery suggests the bacterium’s role in nature is more complex than previously thought, as it may actually help protect plants while causing disease, opening new possibilities for developing natural pest control solutions.

An Efficient Microwave Synthesis of 3-Acyl-5-bromoindole Derivatives for Controlling Monilinia fructicola and Botrytis cinerea

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Scientists created new chemical compounds based on indole molecules that can effectively kill two harmful fungi that destroy fruit crops. These compounds were made using microwave heating, which is faster and more efficient than traditional methods. Tests showed that some of these new compounds work even better than commercial fungicides at killing these fungi, and they may work by blocking an important energy-producing process in the fungal cells.

Research Keyword: plant pathogen control