Microbial natural products among other functions they play a vital role in the disease prevention in humans, animals and plants. Pseudomonas parafulva CRS01-1 is a broad-spectrum antagonistic bacterium present in plants. However, no natural products have been isolated from this strain till date. Corresponding biosynthetic gene clusters to natural products is an effective method for bioprospecting, for which, genome manipulation tools are essential. We previously developed Pseudomonas-specific phage-derived homologous recombination systems for genetic engineering in four Pseudomonas species. Herein, we report the application of these recombineering systems in Pseudomonas parafulva CRS01-1, along with structural elucidation and bioactivity evaluation of natural products. The Pseudomonas recombineering toolbox established before in different four species is efficient for genome mining and bioactive metabolite discovery from more distant species.
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