Distribution characteristics of lipophilic marine phycotoxins in the sediment: A case study in Jiaozhou Bay, China

Yang Liu; Zhenfan Chen; Jinxiu Wang; Wei Guo; Chenxiao Zhang; Sen Du; Peng Zhang; Rencheng Yu; Li Zhang

doi:10.1016/j.marpolbul.2020.111908

Distribution characteristics of lipophilic marine phycotoxins in the sediment: A case study in Jiaozhou Bay, China

Mar Pollut Bull. 2021 Jan:162:111908. doi: 10.1016/j.marpolbul.2020.111908. Epub 2020 Dec 15.

Authors

Yang Liu¹, Zhenfan Chen², Jinxiu Wang², Wei Guo³, Chenxiao Zhang³, Sen Du⁴, Peng Zhang³, Rencheng Yu², Li Zhang⁵

Affiliations

¹ Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, China. Electronic address: liuyang@scsio.ac.cn.
² CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
³ University of Beibu Gulf, Qinzhou 535011, China.
⁴ Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
⁵ Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, China; Institution of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, China. Electronic address: zhangli@scsio.ac.cn.

PMID: 33338928
DOI: 10.1016/j.marpolbul.2020.111908

Abstract

Marine sediments serve as a sink for environmental pollutants, such as lipophilic marine phycotoxins (LMPs). To reveal the fate of LMPs, we studied their distribution characteristics in sediments. From January 2016 to August 2017, we sampled surface sediments from Jiaozhou Bay (JZB) of the North Yellow Sea, and their solid-phase extracts were analyzed using liquid chromatography-tandem mass spectrometry. Three LMPs viz. okadaic acid (OA), dinophysistoxin-1 (DTX1), and pectentoxin-2 (PTX2) were predominant in the sediments. Also, PTX2 distribution was more extensive in the area, while OA and DTX1 were more concentrated. Having the same toxigenic algae origin, the spatial distribution of OA, DTX1, and PTX2 in the sediments was similar.

Keywords: Dinophysistoxins-1; Jiaozhou Bay; Liquid chromatography-tandem mass spectrometry (HPLC-MS/MS); Okadaic acid; Pectentoxin-2; Sediment.

MeSH terms

Bays
China
Chromatography, Liquid
Environmental Monitoring
Marine Toxins* / analysis

Substances

Marine Toxins