Orchestrated Biosynthesis of the Secondary Metabolite Cocktails Enables the Producing Fungus to Combat Diverse Bacteria

Abstract

. Four classes of chemicals, namely, ustilaginoidin, indigotide, pseurotin, and hydroxyl-ovalicin, are collectively produced by these three BGCs along with the contributions of tailoring enzyme genes located outside the supercluster. The production of these metabolites is not required for the fungal infection of insect hosts, but it benefits the fungus to combat diverse bacteria. The findings reveal and advocate a "the-more-the-better" strategy employed by fungi to manage effective adaptations to diverse environments.

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