biosynthetic gene clusters – Page 5

Microbe Profile: Streptomyces formicae KY5: an ANT-ibiotic factory

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Scientists discovered a special bacterium called Streptomyces formicae living with plant-ants in Africa that produces powerful antibiotics. This bacterium can kill dangerous drug-resistant bacteria and fungi that are hard to treat with current medicines. By using genetic tools, researchers are unlocking the bacterium’s hidden potential to create many more new antibiotics that could help fight infections.

Fungal-fungal cocultivation alters secondary metabolites of marine fungi mediated by reactive oxygen species (ROS)

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Researchers discovered that when two types of ocean fungi grow together, one of them produces a protective chemical called alternariol that can kill bacteria and cancer cells. This happens because the fungi recognize each other as competitors and trigger special stress signals that activate defensive chemical production. Interestingly, fungi from the ocean respond differently than those from land, suggesting they have evolved unique survival strategies for harsh marine environments.

Biodiversity-Driven Natural Products and Bioactive Metabolites

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This comprehensive review explores how diverse organisms like plants, fungi, and marine creatures produce remarkable chemical compounds for survival and defense. These natural products have inspired many modern medicines, but scientists now understand that the chemical diversity comes not just from the organisms themselves but from their ecological interactions and environmental challenges. By studying how these chemicals are made and what triggers their production, researchers can discover new drugs and medicines while protecting the ecosystems that generate them.

Gapless near Telomer-to-Telomer Assembly of Neurospora intermedia, Aspergillus oryzae, and Trichoderma asperellum from Nanopore Simplex Reads

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Researchers developed a new method to create complete, high-quality genetic maps of fungi using a single affordable sequencing technology from Oxford Nanopore. They created an automated computer program that processes the sequencing data without human intervention and successfully assembled complete genomes for three industrially important fungal species. This breakthrough could make it much easier and cheaper for scientists to study and use fungi for producing medicines, food ingredients, and other useful compounds.

Marine Fungal Metabolites: A Promising Source for Antibiofilm Compounds

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Bacteria can form protective layers called biofilms that resist antibiotics, causing serious infections. Scientists are discovering that fungi living in seaweed and marine environments produce natural compounds that can break down these biofilm barriers. This review shows that marine fungi offer promising new alternatives to combat antibiotic-resistant infections, though more research is needed to fully explore their potential.

Comparative genome analysis of patulin-producing Penicillium paneum OM1 isolated from pears

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Researchers sequenced the complete genome of a mold called Penicillium paneum that grows on apples and pears and produces patulin, a toxic substance harmful to humans. They found the specific genes responsible for making patulin and identified other potentially useful compounds this mold can produce. Understanding these genes could help develop better ways to prevent patulin contamination in fruit and fruit products that people consume.

Microbe Profile: Streptomyces formicae KY5: an ANT-ibiotic factory

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Scientists have discovered a special bacterium called Streptomyces formicae that lives with ants in African acacia trees and produces powerful antibiotics. This bacterium naturally makes compounds called formicamycins that can kill dangerous antibiotic-resistant bacteria like MRSA, as well as antifungal compounds. Researchers are using advanced gene-editing techniques to unlock more hidden antimicrobial compounds from this bacterium’s genome, which could lead to discovering new medicines to treat infections.

A mass spectrometry-based strategy for investigating volatile molecular interactions in microbial consortia: unveiling a Fusarium-specific induction of an antifungal compound

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Scientists developed a new method to study how different fungi communicate and compete with each other through invisible chemical signals called volatile organic compounds. By growing three types of fungi together in a controlled setup, they discovered that Fusarium culmorum specifically produces a compound called γ-terpinene when in contact with other fungi. This compound acts as a natural antifungal agent, helping Fusarium fight off competing fungi. This research provides a blueprint for understanding complex fungal interactions in environments like human lungs and could eventually help diagnose or prevent fungal-related diseases.

Identification of an antifungal lipopeptide from Bacillus amyloliquefaciens HAU3 inhibiting the growth of Fusarium graminearum using preparative chromatography and 2D-NMR

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Scientists discovered a beneficial soil bacterium called Bacillus amyloliquefaciens that produces a natural antifungal compound called fengycin, which effectively kills dangerous mold (Fusarium graminearum) that contaminates animal feed. This bacterium can be used as a biological control agent to prevent fungal growth and reduce harmful mycotoxins in livestock feed, offering a safer and more environmentally friendly alternative to chemical fungicides. The study shows the bacterium’s compounds damage fungal cell membranes and generate harmful stress molecules that kill the fungus.

Tracing the Origin and Evolution of the Fungal Mycophenolic Acid Biosynthesis Pathway

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Scientists studied how different fungal species produce mycophenolic acid, a drug used to prevent transplant rejection in millions of patients worldwide. By analyzing the genomes of many fungal species, they found that only a few fungi can make this important drug, and they discovered that these fungi have different ways of protecting themselves from being poisoned by their own medicine. This research helps us understand how fungi evolve to produce valuable medicines and could lead to better ways to produce immunosuppressants.

Research Keyword: biosynthetic gene clusters