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Biology and genome of a newly discovered sibling species of Caenorhabditis elegans

Author

Listed:
  • Natsumi Kanzaki

    (Forestry and Forest Products Research Institute
    Forestry and Forest Products Research Institute)

  • Isheng J. Tsai

    (Academia Sinica)

  • Ryusei Tanaka

    (University of Miyazaki)

  • Vicky L. Hunt

    (University of Miyazaki)

  • Dang Liu

    (Academia Sinica)

  • Kenji Tsuyama

    (Tohoku University)

  • Yasunobu Maeda

    (University of Miyazaki)

  • Satoshi Namai

    (Tohoku University)

  • Ryohei Kumagai

    (Tohoku University)

  • Alan Tracey

    (Wellcome Trust Sanger Institute)

  • Nancy Holroyd

    (Wellcome Trust Sanger Institute)

  • Stephen R. Doyle

    (Wellcome Trust Sanger Institute)

  • Gavin C. Woodruff

    (Forestry and Forest Products Research Institute
    University of Oregon)

  • Kazunori Murase

    (University of Miyazaki)

  • Hiromi Kitazume

    (University of Miyazaki)

  • Cynthia Chai

    (Caltech)

  • Allison Akagi

    (Caltech)

  • Oishika Panda

    (Cornell University)

  • Huei-Mien Ke

    (Academia Sinica)

  • Frank C. Schroeder

    (Cornell University)

  • John Wang

    (Academia Sinica)

  • Matthew Berriman

    (Wellcome Trust Sanger Institute)

  • Paul W. Sternberg

    (Caltech)

  • Asako Sugimoto

    (Tohoku University)

  • Taisei Kikuchi

    (University of Miyazaki)

Abstract

A ‘sibling’ species of the model organism Caenorhabditis elegans has long been sought for use in comparative analyses that would enable deep evolutionary interpretations of biological phenomena. Here, we describe the first sibling species of C. elegans, C. inopinata n. sp., isolated from fig syconia in Okinawa, Japan. We investigate the morphology, developmental processes and behaviour of C. inopinata, which differ significantly from those of C. elegans. The 123-Mb C. inopinata genome was sequenced and assembled into six nuclear chromosomes, allowing delineation of Caenorhabditis genome evolution and revealing unique characteristics, such as highly expanded transposable elements that might have contributed to the genome evolution of C. inopinata. In addition, C. inopinata exhibits massive gene losses in chemoreceptor gene families, which could be correlated with its limited habitat area. We have developed genetic and molecular techniques for C. inopinata; thus C. inopinata provides an exciting new platform for comparative evolutionary studies.

Suggested Citation

  • Natsumi Kanzaki & Isheng J. Tsai & Ryusei Tanaka & Vicky L. Hunt & Dang Liu & Kenji Tsuyama & Yasunobu Maeda & Satoshi Namai & Ryohei Kumagai & Alan Tracey & Nancy Holroyd & Stephen R. Doyle & Gavin C, 2018. "Biology and genome of a newly discovered sibling species of Caenorhabditis elegans," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05712-5
    DOI: 10.1038/s41467-018-05712-5
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    Cited by:

    1. Carina C. Kern & Shivangi Srivastava & Marina Ezcurra & Kuei Ching Hsiung & Nancy Hui & StJohn Townsend & Dominik Maczik & Bruce Zhang & Victoria Tse & Viktoras Konstantellos & Jürg Bähler & David Gem, 2023. "C. elegans ageing is accelerated by a self-destructive reproductive programme," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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