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July 8, 2026Applied Microbiology and BiotechnologyOpen Access

Biocontrol of mushroom crop mycoparasites by novel Bacillus velezensis strains

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Authors

WKWilliam T. KayJCJaime CarrascoSKSouvik Kusari

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Overview

Randomized trial examines biocontrol effects of Bacillus velezensis on mushroom mycoparasites, suggesting limitations in disease control.

Key Points

  • This research aims to evaluate the biocontrol potential of Bacillus velezensis strains against mushroom mycoparasites.
  • Isolated multiple Bacillus velezensis strains from mushroom casing material and basidiomes.
  • Conducted in vitro antifungal activity tests against mushroom mycoparasites.
  • Performed genome sequencing and metabolic profiling of selected strains.
  • Bacillus velezensis strains showed significant antifungal activity in vitro but did not significantly reduce dry bubble disease incidence in growth chamber trials.
  • Antifungal activity correlated with lipopeptide production, particularly fengycin, identified through genomic analysis.
  • Bacillus velezensis populations decreased significantly after application, which contributed to the lack of observed biocontrol.

Cite This Study

Kay et al. (2026) studied this question.

synapsesocial.com/papers/6a4de93fd2ea289ef6283882https://doi.org/10.1007/s00253-026-13938-3
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