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A Platform of Anti-biofilm Assays Suited to the Exploration of Natural Compound Libraries
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Surface-active antibiotic production is a multifunctional adaptation for postfire microbes.

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    Bacteria from burned soils produce novel rhamnolipid methyl esters (RLMEs) that aid survival. These compounds enhance antimicrobial activity, motility, and nutrient solubilization, revealing key adaptations for postfire environments.

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    Area of Science:

    • Microbiology
    • Environmental Science
    • Biochemistry

    Background:

    • Wildfires are increasing globally, impacting soil ecosystems and microbial communities.
    • Understanding microbial adaptations to postfire environments is crucial for ecosystem recovery.
    • The strategies employed by fire-adapted microbes remain largely unknown.

    Conclusions:

    • RLMEs play multiple roles in the postfire lifestyle of *Paraburkholderia*, including dispersal, nutrient acquisition, and competitive inhibition.
    • These findings highlight the chemical adaptations bacteria use to thrive in postfire soils.
    • Perturbed environments are valuable sources for discovering unique microbial compounds and enzymes.