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<p>The brown planthopper (BPH, <i>Nilaparvata lugens</i>) is a major pest of rice, and its adaptation to resistant rice varieties often involves symbiotic microorganisms. <i>Bacillus rugosus</i> strain BPH-S36, isolated from a BPH population IR56 (virulent on resistant rice variety IR56), has been shown to enhance host survival on resistant rice when introduced into a susceptible BPH population TN1. To understand the genetic basis of this symbiotic virulence, we sequenced and assembled the complete genome of BPH-S36. The genome comprises a single circular chromosome of 4,120,256 bp with a GC content of 43.81%, encoding 4,288 protein-coding genes, 30 rRNA genes, 87 tRNA genes, and numerous genes related to carbohydrate metabolism, transport, and secondary metabolite synthesis. The assembly exhibits high completeness (98.4% BUSCO) and the genome sequence has been deposited in public databases (NCBI accession number JBSTRU000000000, BioProject: PRJNA1372835, BioSample: SAMN53627811). This high-quality genome resource provides a foundation for elucidating the molecular mechanisms underlying insect-symbiont-plant interactions and offers potential targets for novel pest management strategies.</p>

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The Bacillus rugosus BPH-S36 genome, a symbiont enabling brown planthopper (Nilaparvata lugens) adaptation to resistant rice

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月1日

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  • Wang Weixia,
  • Zhang Jinli,
  • Wei Qi,
  • He Jiachun,
  • Wan Pinjun,
  • Zhu Tingheng

摘要

The brown planthopper (BPH, Nilaparvata lugens) is a major pest of rice, and its adaptation to resistant rice varieties often involves symbiotic microorganisms. Bacillus rugosus strain BPH-S36, isolated from a BPH population IR56 (virulent on resistant rice variety IR56), has been shown to enhance host survival on resistant rice when introduced into a susceptible BPH population TN1. To understand the genetic basis of this symbiotic virulence, we sequenced and assembled the complete genome of BPH-S36. The genome comprises a single circular chromosome of 4,120,256 bp with a GC content of 43.81%, encoding 4,288 protein-coding genes, 30 rRNA genes, 87 tRNA genes, and numerous genes related to carbohydrate metabolism, transport, and secondary metabolite synthesis. The assembly exhibits high completeness (98.4% BUSCO) and the genome sequence has been deposited in public databases (NCBI accession number JBSTRU000000000, BioProject: PRJNA1372835, BioSample: SAMN53627811). This high-quality genome resource provides a foundation for elucidating the molecular mechanisms underlying insect-symbiont-plant interactions and offers potential targets for novel pest management strategies.