Simultaneous metabarcoding of eukaryotes and prokaryotes to elucidate the community structures within tardigrade microhabitats

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1 Citation (Scopus)

Abstract

Tardigrades are microscopic invertebrates that can withstand complete desiccation, but their interspecies interactions with prokaryotes and eukaryotes within their microhabitat remain relatively unexplored. Here, I utilized combined metabarcoding of eukaryotes and prokaryotes to simultaneously identify entire community structures within xeric and mesic mosses that harbor tardigrades. The populations of organisms within the microecosystems were successfully determined in 45 xeric moss samples and 47 mesic moss samples. Organismal composition was largely consistent regardless of the moss/lichen substrate, but significantly varied in the two tested locations, possibly because of the differences in environmental humidity. Xeric mosses containing xerophilic tardigrades and other anhydrobiotic invertebrates tended to have significantly limited biological diversity and prokaryotic population dominated by cyanobacteria, suggesting a selection due to extreme desiccation. A combined metabarcoding approach to identify both eukaryotes and prokaryotes can successfully elucidate community structures within microscopic ecosystems, and this can be a potential approach to study the microecology of meiofauna, including tardigrades.

Original languageEnglish
Article number110
JournalDiversity
Volume12
Issue number3
DOIs
Publication statusPublished - 2020 Mar 1

Keywords

  • High-throughput sequencing
  • Metabarcoding
  • Microecology
  • Microhabitat
  • Moss
  • Tardigrade

ASJC Scopus subject areas

  • Ecology
  • Ecological Modelling
  • Agricultural and Biological Sciences (miscellaneous)
  • Nature and Landscape Conservation

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