Research Topic: Natural products discovery

Deletion of bZIP Transcription Factor PratfA Reveals Specialized Metabolites Potentially Regulating Stress Response in Penicillium raistrickii

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Scientists discovered that a protein called PratfA controls the production of protective compounds in a fungus (Penicillium raistrickii) that help it survive stress. By removing this protein, they found two new natural products, including one with an unusual structure. The fungus without PratfA became very sensitive to oxidative stress and couldn’t survive well, showing that this protein is important for both making protective compounds and surviving harsh conditions.

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Quantitative Characterization of Gene Regulatory Circuits Associated With Fungal Secondary Metabolism to Discover Novel Natural Products

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Scientists developed a special technology using tiny channels and fluorescent markers to understand how fungi control their genes that produce valuable compounds. By precisely measuring how different genes turn on and off in individual fungal cells, they can now predict and control when and how much of useful medicines and other bioactive molecules are made. They successfully used this knowledge to create new pathways that produce novel compounds, including new types of dendrobine molecules never seen before.

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Genome-Mining Based Discovery of Pyrrolomycin K and L from the Termite-Associated Micromonospora sp. RB23

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Researchers discovered two new antimicrobial compounds called pyrrolomycins from a bacterium found in termite guts using genome analysis and advanced chemistry techniques. These compounds are modified versions of known antimicrobial molecules, featuring halogenated structures. Interestingly, the bacteria appears to protect itself from its own toxic compounds through chemical modifications, a strategy that researchers believe could inform the design of new antibiotics to combat drug-resistant bacteria.

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