Pacific Ciguatoxins in Food Web Components of Coral Reef Systems in the Republic of Kiribati

Ciguatera fish poisoning (CFP) is a foodborne illness caused by consumption of coral reef fishes contaminated by ciguatoxins (CTXs); of the known CTX congeners, the Pacific ciguatoxins (P-CTXs) are the most toxic. Little is known about the trophodynamics of P-CTXs in coral reef systems. The present...

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Bibliographic Details
Published in:Environmental science & technology 2013-12, Vol.47 (24), p.14070-14079
Main Authors: Mak, Yim Ling, Wai, Tak-Cheung, Murphy, Margaret B, Chan, Wing Hei, Wu, Jia Jun, Lam, James C. W, Chan, Leo L, Lam, Paul K. S
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Biological and medical sciences
Biological Assay
Body Size
Carnivory
Ciguatoxins - analysis
Coral Reefs
Correlation analysis
Environmental Monitoring
Fish
Fishes - metabolism
Food Chain
Food chains
Fundamental and applied biological sciences. Psychology
Geography
Herbivory
Homarus americanus
Invertebrates - metabolism
Lipids
Lipids - analysis
Mass spectrometry
Micronesia
Octopodidae
Octopus
Pacific Ocean
Panulirus penicillatus
Sea water ecosystems
Synecology
Toxins
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Summary:Ciguatera fish poisoning (CFP) is a foodborne illness caused by consumption of coral reef fishes contaminated by ciguatoxins (CTXs); of the known CTX congeners, the Pacific ciguatoxins (P-CTXs) are the most toxic. Little is known about the trophodynamics of P-CTXs in coral reef systems. The present study explores the distribution, transfer, and trophic magnification of P-CTX-1, -2, and -3 in coral reef systems with high (ciguatoxic) and low (reference) ciguatoxicity in a CFP-endemic nation by use of liquid chromatography-tandem mass spectrometry (LC-MS/MS). In ciguatoxic coral reef systems, P-CTXs were detected in 54% of herbivorous fishes [total P-CTXs
ISSN:0013-936X
1520-5851
DOI:10.1021/es403175d