Chromosome-level genome assembly of the common chiton, Liolophura japonica (Lischke, 1873)

Jerome H.L. Hui*, Ting Fung Chan, Leo Lai Chan, Siu Gin Cheung, Chi Chiu Cheang, James Kar Hei Fang, Juan Diego Gaitan-Espitia, Stanley Chun Kwan Lau, Yik Hei Sung, Chris Kong Chu Wong, Kevin Yuk Lap Yip, Yingying Wei, Ming Fung Franco Au, Wai Lok So, Wenyan Nong, Tin Yan Hui, Brian Kai Hin Leung, Gray A. Williams, Hong Kong Biodiversity Genomics Consortium

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review


Chitons (Polyplacophora) are marine molluscs that can be found worldwide from cold waters to the tropics, and play important ecological roles in the environment. However, only two chiton genomes have been sequenced to date. The chiton Liolophura japonica (Lischke, 1873) is one of the most abundant polyplacophorans found throughout East Asia. Our PacBio HiFi reads and Omni-C sequencing data resulted in a high-quality near chromosome-level genome assembly of ∼609 Mb with a scaffold N50 length of 37.34 Mb (96.1% BUSCO). A total of 28,233 genes were predicted, including 28,010 protein-coding ones. The repeat content (27.89%) was similar to that of other Chitonidae species and approximately three times lower than that of the Hanleyidae chiton genome. The genomic resources provided by this work will help to expand our understanding of the evolution of molluscs and the ecological adaptation of chitons.

Original languageEnglish
Number of pages14
Publication statusPublished - 25 Apr 2024

Scopus Subject Areas

  • Biochemistry, Genetics and Molecular Biology (miscellaneous)
  • Biotechnology
  • Genetics
  • Molecular Medicine

User-Defined Keywords

  • Animal Genetics
  • Genetics and Genomics
  • Marine Biology


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