Symbiosis on radiolarians based on the updated taxonomy

Akihiro Tuji, Noritoshi Suzuki

Research output: Contribution to journalArticlepeer-review

Abstract

This paper first briefly explains the term "symbiosis", whose definition is variable when talking about the interaction between hosts and their associated organisms, and shows the difficulty to determine their real interactions in the radiolarian studies. The practical recognition of algal symbionts in radiolarians is largely relied on the confirmation of fresh chloroplasts and nuclei in the coccoid form algae. Algal symbionts are apparently present in particular radiolarian species, but this has not been discussed in detail so far. Prior to the discussion, we updated the radiolarian taxonomic names registered in GenBank, because the information in this gene database has rarely been updated once it was recorded. The updated taxonomic names were then applied for the molecular phylogenetic analyses, resulting that the symbiont-bearing radiolarians were found in some specified clades in the phylogenetic trees. As this test shows, the taxonomic names in GenBank should be updated for their own use.

Original languageEnglish
Pages (from-to)73-83
Number of pages11
JournalFossils
Volume99
DOIs
Publication statusPublished - 2016 Jan 1

Keywords

  • Gene bank
  • Phytogeny
  • Radiolaria
  • Symbiont
  • Taxonomy
  • Zoochlorella
  • Zooxanthella

ASJC Scopus subject areas

  • Palaeontology

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