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<p>Our previous study reported that three <i>Paenibacillus</i> strains promoted the bactericidal effect against <i>Ralstonia pseudosolanacearum</i> at low temperatures such as 25&#xa0;°C for anaerobic soil disinfestation (ASD) (Pitti et al. <CitationRef CitationID="CR7">2024</CitationRef>). The bactericidal effect against <i>R. pseudosolanacearum</i> was lower for ASD at 25&#xa0;°C because of less production of Fe<sup>2+</sup> and Mn<sup>2+</sup> in the soil than ASD at 30&#xa0;°C. However, the three <i>Paenibacillus</i> strains exhibited antagonistic activity against <i>R. pseudosolanacearum</i> at 25&#xa0;°C, thereby suppressing the revived growth of the pathogen after ASD. Furthermore, this effect was possible because the three <i>Paenibacillus</i> strains were resistant to the bactericidal properties of Fe<sup>2+</sup> and Mn<sup>2+</sup>.</p>

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Antibiosis of Paenibacillus spp. can promote the bactericidal effect of anaerobic soil disinfestation at low temperatures

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月7日

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  • Eduardo Pitti,
  • Noriaki Momma,
  • Yuso Kobara,
  • Toshiyuki Usami,
  • Masahiro Shishido

摘要

Our previous study reported that three Paenibacillus strains promoted the bactericidal effect against Ralstonia pseudosolanacearum at low temperatures such as 25 °C for anaerobic soil disinfestation (ASD) (Pitti et al. 2024). The bactericidal effect against R. pseudosolanacearum was lower for ASD at 25 °C because of less production of Fe2+ and Mn2+ in the soil than ASD at 30 °C. However, the three Paenibacillus strains exhibited antagonistic activity against R. pseudosolanacearum at 25 °C, thereby suppressing the revived growth of the pathogen after ASD. Furthermore, this effect was possible because the three Paenibacillus strains were resistant to the bactericidal properties of Fe2+ and Mn2+.