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1. Structure Elucidation and Relative Toxicity of (24R)-24-Hydroxyyessotoxin from a Namibian Isolate of Gonyaulax spinifera

Author:
Isabelle Rajotte; Cheryl Rafuse; Elliott J. Wright; John C. Achenbach; Lee D. Ellis; Pearse McCarron
Source:
Journal of natural products 2019 v.82 no.7 pp. 1945-1952
ISSN:
1520-6025
Subject:
Danio rerio; Gonyaulax; biomass; hydroxylation; liquid chromatography; mass spectrometry; nuclear magnetic resonance spectroscopy; solvents; toxicity; yessotoxin
Abstract:
... Liquid chromatography–high-resolution mass spectrometry (LC-HRMS) analysis of a Namibian strain of Gonyaulax spinifera showed the presence of a number of yessotoxins (YTXs). Principal among these were YTX (1), homoYTX (2), and a tentative hydroxylated analogue that did not correspond to any previously confirmed YTX structures. Culturing the G. spinifera strain afforded sufficient biomass for purif ...
DOI:
10.1021/acs.jnatprod.9b00318