16S rRNA sequencing – Page 5

Tackling Conifer Needle Cast and Ash Dieback with Host-Derived Microbial Antagonists Exhibiting Plant Growth-Promoting Traits

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Scientists discovered native bacteria from European ash and Scots pine trees that can fight two destructive forest diseases: ash dieback and needle cast. These bacteria not only inhibit the disease-causing fungi but also help trees grow better by improving nutrient uptake. This natural approach offers an eco-friendly alternative to fungicide sprays for protecting forests.

Streptomyces-Based Bioformulation to Control Wilt of Morchella sextelata Caused by Pestalotiopsis trachicarpicola

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Morels are valuable mushrooms threatened by fungal wilt disease in China. Researchers isolated two beneficial bacteria (Streptomyces) from morel soil that naturally fight the fungal disease. When applied to morel fields, these bacteria reduced disease and increased mushroom yield by 30% compared to untreated fields. This represents a natural, eco-friendly solution to protect morel crops and boost production without chemical fungicides.

Insights into Physicochemical Characteristics, Flavor Development, and Microbial Succession During the Natural Fermentation of Sichuan-Style Black Soybean Soy Sauce

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This research reveals how Sichuan-style black soybean soy sauce develops its distinctive complex flavor over six months of natural fermentation. The study tracked changes in taste and aroma compounds, identifying key flavor contributors like methional (sauce-like) and 1-octen-3-ol (mushroom-like). Different microorganisms dominate at different fermentation stages, with early-stage fungi breaking down proteins and later-stage bacteria and yeasts creating aromatic compounds. The findings provide insights for improving traditional soy sauce production methods.

Antiviral effects of Pediococcus acidilactici isolated from Tibetan mushroom and comparative genomic analysis

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Researchers found that bacteria from Tibetan mushrooms, particularly Pediococcus acidilactici, can effectively prevent rotavirus infection that causes diarrhea in children and animals. When tested in laboratory cells and in mice, this beneficial bacteria reduced virus levels significantly and protected the intestines from damage. Genetic analysis shows this probiotic strain has the right combination of genes to fight viral infections, making it a promising natural treatment option.

Exo-metabolome profiling of soybean endophytes: a road map of antagonism against Fusarium oxysporum

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Scientists discovered that certain beneficial bacteria living inside soybean roots can protect the plant from a harmful fungus that causes root rot and reduces crop yield. By analyzing the chemical compounds these bacteria produce, researchers identified specific antifungal substances that kill or inhibit the pathogenic fungus. These findings suggest that instead of using harmful chemical fungicides, farmers could use these beneficial bacteria as a natural, environmentally-friendly way to protect soybean crops and improve agricultural sustainability.

In vitro interactions between Bradyrhizobium spp. and Tuber magnatum mycelium

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Scientists have successfully grown white truffle mycelium in the laboratory for the first time by discovering its natural partnership with nitrogen-fixing bacteria called Bradyrhizobium. These bacteria and the truffle mycelium need each other to survive and grow together on culture medium. This breakthrough could revolutionize white truffle cultivation, which is currently difficult and expensive, by allowing farmers to grow truffle-producing plants more efficiently in controlled conditions.

Antifungal effect of soil Bacillus bacteria on pathogenic species of the fungal genera Aspergillus and Trichophyton

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Scientists found that certain bacteria naturally occurring in soil can effectively kill harmful fungi that cause infections in humans. By isolating and testing different Bacillus bacteria species, researchers discovered that some were even more effective at inhibiting fungal growth than commonly used antifungal medications. This finding suggests a promising natural alternative to combat fungal infections, especially as many fungi are becoming resistant to traditional antifungal drugs.

The interplay between the formation of Chinese cordyceps and the characteristics of soil properties and microbial network

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This research examined how soil properties and bacteria change during the growth of Chinese cordyceps, a valuable medicinal fungus found on the Qinghai-Tibet Plateau. Scientists discovered that the most critical stage occurs when the fungus infects and consumes the host larvae, during which soil becomes less acidic, loses nutrients, and experiences significant changes in bacterial communities. The findings show that specific bacteria like Pseudomonas and Dyella help the cordyceps grow by breaking down chitin from the larvae’s exoskeleton. Understanding these interactions can help improve artificial production of this expensive medicinal fungus.

The putatively high‐altitude adaptation of macaque monkeys: Evidence from the fecal metabolome and gut microbiome

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This study examined how macaque monkeys living on the high Tibetan Plateau adapt to harsh conditions. Researchers found that high-altitude macaques have darker feces containing more stercobilin, a pigment from red blood cell breakdown. Their gut bacteria are specially adapted to process this increased bilirubin from the extra red blood cells produced at high altitude. Interestingly, high-altitude macaques also eat medicinal mushrooms like Ganoderma lucidum, which may help them cope with the stress and low oxygen levels.

Tackling Conifer Needle Cast and Ash Dieback with Host-Derived Microbial Antagonists Exhibiting Plant Growth-Promoting Traits

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Researchers discovered native bacteria living in European ash and Scots pine trees that can fight two destructive forest diseases: ash dieback and needle cast. These bacteria not only inhibit pathogen growth but also help trees absorb nutrients better, making them excellent natural candidates for protecting forests without harmful chemicals. The study identified several bacterial species that showed strong disease-fighting ability, with one strain preventing needle cast fungus growth by up to 80%.

Research Keyword: 16S rRNA sequencing