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<p><i>Telenomus remus</i> is a widely recognized egg parasitoid wasp valued for its effectiveness in the biological control of lepidopteran pests, particularly <i>Spodoptera frugiperda</i>, a species of global agricultural concern. Despite its practical significance, the genomic resources available for <i>T. remus</i> remain limited, hindering deeper investigations into the molecular basis of its parasitic behavior and ecological adaptability. In this study, we employed PacBio Single-Molecule Real-Time (SMRT) sequencing technology to generate a high-quality, full-length transcriptome of <i>T. remus</i>. A total of 189,593 isoforms were identified, offering a detailed view of transcript diversity and structure. Functional annotation across multiple databases, including NR, GO, KEGG, and SwissProt, revealed extensive gene involvement in cellular processes, metabolic pathways, and signal transduction. Additionally, the study identified numerous coding DNA sequences (CDS) and simple sequence repeats (SSRs), contributing to the understanding of gene regulation and genome organization. Phylogenetic analyses of chemosensory and odorant-binding proteins further provided insights into evolutionary relationships and potential functional specializations. These findings establish a foundational transcriptomic resource for <i>T. remus</i>, facilitating future research on host-parasite interactions and supporting its continued development as a sustainable biocontrol agent.</p>

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Decoding the transcriptomic landscape of Telenomus remus using PacBio single-molecule long-read sequencing

  • 期刊论文

  • 发表日期：

    2026年4月20日

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  • Abdul Aziz Bukero,
  • Aslam Bukero,
  • Moazam Hyder,
  • Hongmei Li,
  • Yongzhi Zhong,
  • Feng Zhang,
  • Haoliang Chen

摘要

Telenomus remus is a widely recognized egg parasitoid wasp valued for its effectiveness in the biological control of lepidopteran pests, particularly Spodoptera frugiperda, a species of global agricultural concern. Despite its practical significance, the genomic resources available for T. remus remain limited, hindering deeper investigations into the molecular basis of its parasitic behavior and ecological adaptability. In this study, we employed PacBio Single-Molecule Real-Time (SMRT) sequencing technology to generate a high-quality, full-length transcriptome of T. remus. A total of 189,593 isoforms were identified, offering a detailed view of transcript diversity and structure. Functional annotation across multiple databases, including NR, GO, KEGG, and SwissProt, revealed extensive gene involvement in cellular processes, metabolic pathways, and signal transduction. Additionally, the study identified numerous coding DNA sequences (CDS) and simple sequence repeats (SSRs), contributing to the understanding of gene regulation and genome organization. Phylogenetic analyses of chemosensory and odorant-binding proteins further provided insights into evolutionary relationships and potential functional specializations. These findings establish a foundational transcriptomic resource for T. remus, facilitating future research on host-parasite interactions and supporting its continued development as a sustainable biocontrol agent.