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Identification of Azadinium species and a new azaspiracid from Azadinium poporum in Puget Sound, Washington State, USA

Title
Identification of Azadinium species and a new azaspiracid from Azadinium poporum in Puget Sound, Washington State, USA
Author
한명수
Keywords
Azadinium; Azaspiracid; Puget sound; Washington state; Harmful algae
Issue Date
2017-09
Publisher
ELSEVIER SCIENCE BV
Citation
HARMFUL ALGAE, v. 68, page. 152-167
Abstract
The identification of a new suite of toxins, called azaspiracids (AZA), as the cause of human illnesses after the consumption of shellfish from the Irish west coast in 1995, resulted in interest in understanding the global distribution of these toxins and of species of the small dinoflagellate genus Azadinium, known to produce them. Clonal isolates of four species of Azadinium, A. poporum, A. cuneatum, A. obesum and A. dalianense were obtained from incubated sediment samples collected from Puget Sound, Washington State in 2016. These Azadinium species were identified using morphological characteristics confirmed by molecular phylogeny. Whereas AZA could not be detected in any strains of A. obesum, A. cuneatum and A. dalianense, all four strains of A. poporum produced a new azaspiracid toxin, based on LC-MS analysis, named AZA-59. The presence of AZA-59 was confirmed at low levels in situ using a solid phase resin deployed at several stations along the coastlines of Puget Sound. Using a combination of molecular methods for species detection and solid phase resin deployment to target shellfish monitoring of toxin at high-risk sites, the risk of azaspiracid shellfish poisoning can be minimized. (C) 2017 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S1568988317301208?via%3Dihubhttp://repository.hanyang.ac.kr/handle/20.500.11754/115510
ISBN
10.1016/j.hal.2017.08.004
ISSN
1568-9883; 1878-1470
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > LIFE SCIENCE(생명과학과) > Articles
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