Genomic and Transcriptomic Analyses of Bioluminescence Genes in the Enope Squid Watasenia scintillans

Masa aki Yoshida, Junichi Imoto, Yuri Kawai, Satomi Funahashi, Ryuhei Minei, Yuki Akizuki, Atsushi Ogura, Kazuhiko Nakabayashi, Kei Yura, Kazuho Ikeo

Research output: Contribution to journalArticlepeer-review

Abstract

Watasenia scintillans, a sparkling enope squid, has bioluminescence organs to illuminate its body with its own luciferase activity. To clarify the molecular mechanism underlying its scintillation, we analysed high-throughput sequencing data acquired previously and obtained draft genome sequences accomplished with comparative genomic data among the cephalopods. The genome mapped by transcriptome data showed that (1) RNA editing contributed to transcriptome variation of lineage specific genes, such as W. scintillans luciferase, and (2) two types of luciferase enzymes were characterized with reasonable 3D models docked to a luciferin molecule. We report two different types of luciferase in one organism and possibly related to variety of colour types in the W. scintillans fluorescent organs.

Original languageEnglish
Pages (from-to)760-771
Number of pages12
JournalMarine Biotechnology
Volume22
Issue number6
DOIs
Publication statusPublished - 2020 Dec

Keywords

  • 3D modelling
  • Cephalopod
  • Firefly squid
  • Repetitive elements
  • RNA editing

ASJC Scopus subject areas

  • Biotechnology
  • Aquatic Science

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