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<p><i>Aurelia coerulea</i> (moon jellyfish), a radially symmetrical metazoan in the phylum Cnidaria, possesses key features pertinent to understanding the evolutionary origins of nervous systems. Here, we employed a combination of long-read sequencing, short-read sequencing, and Hi-C chromatin conformation capture techniques to generate a chromosome-level assembly of the <i>A. coerulea</i> genome. The final assembly comprises approximately 554.10 Mb distributed across 21 chromosomes, achieving a scaffold N50 of 24.06 Mb and demonstrating high completeness (protein BUSCO score: 93.0%). Approximately 71.48% of the genome consists of transposable elements. We identified 26,777 protein-coding genes, of which approximately 72.28% have been functionally annotated. This chromosome-level genome provides an essential resource for elucidating early neural evolution and advancing our understanding of cnidarian biology.</p>

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Chromosome-level genome assembly and annotation of the moon jellyfish Aurelia coerulea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月10日

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  • Xinyue Hu,
  • Yang Guo,
  • Ze Zhang,
  • Liyuan Wang,
  • Duoyuan Chen,
  • Zhenkun Zhuang,
  • Minxiao Wang,
  • Shiping Liu,
  • Song Feng

摘要

Aurelia coerulea (moon jellyfish), a radially symmetrical metazoan in the phylum Cnidaria, possesses key features pertinent to understanding the evolutionary origins of nervous systems. Here, we employed a combination of long-read sequencing, short-read sequencing, and Hi-C chromatin conformation capture techniques to generate a chromosome-level assembly of the A. coerulea genome. The final assembly comprises approximately 554.10 Mb distributed across 21 chromosomes, achieving a scaffold N50 of 24.06 Mb and demonstrating high completeness (protein BUSCO score: 93.0%). Approximately 71.48% of the genome consists of transposable elements. We identified 26,777 protein-coding genes, of which approximately 72.28% have been functionally annotated. This chromosome-level genome provides an essential resource for elucidating early neural evolution and advancing our understanding of cnidarian biology.