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Metabarcoding Analysis of Harmful Algal Bloom Species in the Western Pacific Seamount Regions

Author

Listed:
  • Qing Xu

    (CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
    Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
    Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
    College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China)

  • Chunzhi Wang

    (CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
    Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
    Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China)

  • Kuidong Xu

    (Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
    Laboratory of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
    College of Marine Science, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Nansheng Chen

    (CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
    Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
    Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
    Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC V5A 1S6, Canada)

Abstract

The Western Pacific is the most oligotrophic sea on Earth, with numerous seamounts. However, the plankton diversity and biogeography of the Western Pacific in general and the seamount regions in particular remains largely unexplored. In this project, we quantitatively analyzed the composition and distribution patterns of plankton species in the Western Pacific seamount regions by applying metabarcoding analysis. We identified 4601 amplicon sequence variants (ASVs) representing 34 classes in seven protist phyla/divisions in the Western Pacific seamount regions, among which Dinoflagellata was by far the most dominant division. Among the 336 annotated phytoplankton species (including species in Dinoflagellata), we identified 36 harmful algal bloom (HAB) species, many of which displayed unique spatial distribution patterns in the Western Pacific seamount regions. This study was the first attempt in applying ASV-based metabarcoding analysis in studying phytoplankton and HAB species in the Western Pacific seamount regions, which may facilitate further research on the potential correlation between HABs in the Western Pacific seamount regions and coastal regions.

Suggested Citation

  • Qing Xu & Chunzhi Wang & Kuidong Xu & Nansheng Chen, 2021. "Metabarcoding Analysis of Harmful Algal Bloom Species in the Western Pacific Seamount Regions," IJERPH, MDPI, vol. 18(21), pages 1-17, October.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:21:p:11470-:d:669333
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