Co-occurrence of pectenotoxins and Dinophysis miles in an Indonesian semi-enclosed bay.

Autor: Likumahua S; Center for Isotope Research-CIO Oceans, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 7, 9747AG Groningen, the Netherlands; Centre for Deep Sea Research, The National Research and Innovation Agency (BRIN), Jl. Y. Syaranamual Guru-guru, Poka, 97233 Ambon, Indonesia; Collaborative Research Center for Aquatic Ecosystem of Eastern Indonesia, Pattimura University, Jl. Ir. M. Putuhena, Poka, 97233 Ambon, Indonesia. Electronic address: sem.likumahua@brin.go.id., de Boer MK; Center for Isotope Research-CIO Oceans, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 7, 9747AG Groningen, the Netherlands; Beta Science Shop, Faculty of Science and Engineering, University of Groningen, Nijenborgh 6, 9747AG Groningen, the Netherlands., Krock B; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany., Tatipatta WM; Centre for Deep Sea Research, The National Research and Innovation Agency (BRIN), Jl. Y. Syaranamual Guru-guru, Poka, 97233 Ambon, Indonesia., Abdul MS; Centre for Deep Sea Research, The National Research and Innovation Agency (BRIN), Jl. Y. Syaranamual Guru-guru, Poka, 97233 Ambon, Indonesia., Buma AGJ; Center for Isotope Research-CIO Oceans, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 7, 9747AG Groningen, the Netherlands.
Jazyk: angličtina
Zdroj: Marine pollution bulletin [Mar Pollut Bull] 2022 Dec; Vol. 185 (Pt B), pp. 114340. Date of Electronic Publication: 2022 Nov 18.
DOI: 10.1016/j.marpolbul.2022.114340
Abstrakt: The study aims to unravel the variability of Dinophysis spp. and their alleged toxins in conjunction with environmental drivers in Ambon Bay. Phytoplankton samples, lipophilic toxins and physiochemical water properties were analysed during a 1.5-year period. Three Dinophysis species (D. miles, D. caudata, and D. acuminata) were found in plankton samples, of which D. miles was the most abundant and persistently occurring species. Pectenotoxin-2 (PTX2) and its secoacid (PTX2sa) were detected throughout, and PTX2sa levels strongly correlated with D. miles cell abundance. The toxin showed a positive correlation with temperature, which may suggest that D. miles cells contain rather constant PTX2sa during warmer months. Dissolved nitrate concentrations were found to play a major role in regulating cell abundances and toxin levels. This study adds adequate information regarding marine biotoxins and potentially toxic species for future Harmful Algal Bloom management in Ambon and Indonesia at large.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.)
Databáze: MEDLINE
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