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      The Relationships Between Toxicity, Species and Populations in Nassarius Based on Toxin Detection and Multiple Gene Barcoding

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          Abstract

          Nassarius causes many poisonings in China and other Asian countries. The toxicity of Nassarius is related to species and populations. However, the molecular assignment of different toxic Nassarius samples is still unclear, which deteriorates the poisoning. Our study combined toxicity, toxin detection and multiple genes DNA barcoding to assign the various toxic Nassarius species and populations from China coast. The toxicity test indicated that different Nassarius species and different populations within one Nassarius species had different toxicity. Based on High Performance Liquid Chromatography, the toxin was confirmed to be TTX. The toxin content varied in different samples. The COI, 16S and ITS sequences revealed different toxic Nassarius species as monophyletic clades. All the samples tested have been assigned to species level. However, the different toxic populations within N. succinctus, N. variciferus and N. semiplicata did not form separated clades, and the toxic and nontoxic species did not form two clades separately. Our study constructed the relationship between toxicity and taxonomy assignment of different toxic Nassarius samples based on toxicity detection and multiple gene DNA barcoding, which provides the basis for controlling poisoning and studying the toxin-resistance difference in Mollusca. It is also indicated that the toxicity of Nassarius is really related with species at the genetic level, but not absolutely related with populations.

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          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          12 November 2019
          01 December 2019
          : 18
          : 6
          : 1515-1522
          Affiliations
          1College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
          Author notes
          *Corresponding author: WANG Changhai
          Article
          s11802-019-3921-7
          10.1007/s11802-019-3921-7
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2019.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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          Self URI (journal-page): https://www.springer.com/journal/11802

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