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<p>The <i>S. heraclei</i> (Takahashi) (Hemiptera: Aphididae) is a destructive pest of cultivated insectary plant <i>Cnidium monnieri</i> (L.) Cuss. However, to date, no <i>S. heraclei</i>-related genomic information has been reported. Here, we present the first chromosomal-scale genome assembly of <i>S. heraclei</i> approximately 440.3 Mb with contig N50 of 81.7 Mb. Using PacBio long-read sequencing, Illumina sequencing, and Hi-C scaffolding techniques, 94.24% of the assembled sequences were successfully anchored to the four pseudochromosomes. BUSCO assessment showed a completeness score of 95.4%. The <i>S. heraclei</i> genome consisted of 32.02% repetitive elements and 13,983 predicted protein-coding genes. Phylogenetic analysis showed that <i>S. heraclei</i> was closely related to <i>Diuraphis noxia</i>. This high-quality genome assembly of <i>S. heraclei</i> will serve as a genomic resource for aphid evolution and pave the way for deciphering the tri-trophic interaction mechanisms between plants, herbivores, and natural enemies.</p>

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A chromosome-level genome assembly of the aphid Semiaphis heraclei (Takahashi)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月10日

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  • Xin Jiang,
  • Ling Zhao,
  • Jia Fan,
  • Chunyan Chang,
  • Xinrui Zhang,
  • Zhuo Li,
  • Feng Ge

摘要

The S. heraclei (Takahashi) (Hemiptera: Aphididae) is a destructive pest of cultivated insectary plant Cnidium monnieri (L.) Cuss. However, to date, no S. heraclei-related genomic information has been reported. Here, we present the first chromosomal-scale genome assembly of S. heraclei approximately 440.3 Mb with contig N50 of 81.7 Mb. Using PacBio long-read sequencing, Illumina sequencing, and Hi-C scaffolding techniques, 94.24% of the assembled sequences were successfully anchored to the four pseudochromosomes. BUSCO assessment showed a completeness score of 95.4%. The S. heraclei genome consisted of 32.02% repetitive elements and 13,983 predicted protein-coding genes. Phylogenetic analysis showed that S. heraclei was closely related to Diuraphis noxia. This high-quality genome assembly of S. heraclei will serve as a genomic resource for aphid evolution and pave the way for deciphering the tri-trophic interaction mechanisms between plants, herbivores, and natural enemies.