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Jellyfish genomes reveal distinct homeobox gene clusters and conservation of small RNA processing

Author

Listed:
  • Wenyan Nong

    (The Chinese University of Hong Kong)

  • Jianquan Cao

    (The Chinese University of Hong Kong)

  • Yiqian Li

    (The Chinese University of Hong Kong)

  • Zhe Qu

    (The Chinese University of Hong Kong)

  • Jin Sun

    (The Hong Kong University of Science and Technology)

  • Thomas Swale

    (Dovetail Genomics)

  • Ho Yin Yip

    (The Chinese University of Hong Kong)

  • Pei Yuan Qian

    (The Hong Kong University of Science and Technology)

  • Jian-Wen Qiu

    (Hong Kong Baptist University)

  • Hoi Shan Kwan

    (The Chinese University of Hong Kong)

  • William Bendena

    (Queen’s University)

  • Stephen Tobe

    (University of Toronto)

  • Ting Fung Chan

    (The Chinese University of Hong Kong)

  • Kevin Y. Yip

    (The Chinese University of Hong Kong)

  • Ka Hou Chu

    (The Chinese University of Hong Kong)

  • Sai Ming Ngai

    (The Chinese University of Hong Kong)

  • Karl Yk Tsim

    (Hong Kong University of Science and Technology)

  • Peter W. H. Holland

    (University of Oxford)

  • Jerome H. L. Hui

    (The Chinese University of Hong Kong)

Abstract

The phylum Cnidaria represents a close outgroup to Bilateria and includes familiar animals including sea anemones, corals, hydroids, and jellyfish. Here we report genome sequencing and assembly for true jellyfish Sanderia malayensis and Rhopilema esculentum. The homeobox gene clusters are characterised by interdigitation of Hox, NK, and Hox-like genes revealing an alternate pathway of ANTP class gene dispersal and an intact three gene ParaHox cluster. The mitochondrial genomes are linear but, unlike in Hydra, we do not detect nuclear copies, suggesting that linear plastid genomes are not necessarily prone to integration. Genes for sesquiterpenoid hormone production, typical for arthropods, are also now found in cnidarians. Somatic and germline cells both express piwi-interacting RNAs in jellyfish revealing a conserved cnidarian feature, and evidence for tissue-specific microRNA arm switching as found in Bilateria is detected. Jellyfish genomes reveal a mosaic of conserved and divergent genomic characters evolved from a shared ancestral genetic architecture.

Suggested Citation

  • Wenyan Nong & Jianquan Cao & Yiqian Li & Zhe Qu & Jin Sun & Thomas Swale & Ho Yin Yip & Pei Yuan Qian & Jian-Wen Qiu & Hoi Shan Kwan & William Bendena & Stephen Tobe & Ting Fung Chan & Kevin Y. Yip & , 2020. "Jellyfish genomes reveal distinct homeobox gene clusters and conservation of small RNA processing," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-16801-9
    DOI: 10.1038/s41467-020-16801-9
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    Cited by:

    1. Wai Lok So & Wenyan Nong & Yichun Xie & Tobias Baril & Hai-yao Ma & Zhe Qu & Jasmine Haimovitz & Thomas Swale & Juan Diego Gaitan-Espitia & Kwok Fai Lau & Stephen S. Tobe & William G. Bendena & Zhen-p, 2022. "Myriapod genomes reveal ancestral horizontal gene transfer and hormonal gene loss in millipedes," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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