Investigations on Gymnodinium Breve Toxins in Shellfish PDF Download
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Author: Joseph Cummins
Publisher:
ISBN:
Category : Poisonous shellfish
Languages : en
Pages : 184
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Book Description
Author: Joseph Cummins
Publisher:
ISBN:
Category : Poisonous shellfish
Languages : en
Pages : 184
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Book Description
Author: Rose Ann Morton
Publisher:
ISBN:
Category : Gymnodinium breve
Languages : en
Pages : 36
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Book Description
Author: Joseph M. Cummins
Publisher:
ISBN:
Category : Paralytic shellfish poisoning
Languages : en
Pages : 54
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Book Description
Author: Hans P. Egmond
Publisher: Food & Agriculture Org.
ISBN: 9789251051290
Category : Algal toxins
Languages : en
Pages : 300
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Book Description
This paper provides an extensive review of different aspects of five shellfish-poisoning syndromes (paralytic, diarrhoeic, amnesic, neurologic and azapiracid), as well as one fish-poisoning syndrome (ciguatera fish poisoning), and discusses in detail the causative toxins produced by marine organisms, chemical structures and analytical methods of the toxins, habitat and occurrence of the toxin-producing organisms, case studies and existing regulations. Based on this analysis, risk assessments are carried out for each of the toxins, and recommendations are elaborated to improve the management of these risks in order to reduce the harmful effect of these toxins on public health.
Author: Beatriz Reguera
Publisher: MDPI
ISBN: 3039213636
Category : Science
Languages : en
Pages : 374
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Book Description
Several species of Dinophysis produce one or two groups of lipophilic toxins: okadaic acid (OA) and its derivatives; or the dinophysistoxins (DTXs) (also known as diarrhetic shellfish poisons or DSP toxins) and pectenotoxins (PTXs). DSP toxins are potent inhibitors of protein phosphatases, causing gastrointestinal intoxication in consumers of contaminated seafood. Forty years after the identification of Dinophysis as the causative agent of DSP in Japan, contamination of filter feeding shellfish exposed to Dinophysis blooms is recognized as a problem worldwide. DSP events affect public health and cause considerable losses to the shellfish industry. Costly monitoring programs are implemented in regions with relevant shellfish production to prevent these socioeconomic impacts. Harvest closures are enforced whenever toxin levels exceed regulatory limits (RLs). Dinophysis species are kleptoplastidic dinoflagellates; they feed on ciliates (Mesodinium genus) that have previously acquired plastids from cryptophycean (genera Teleaulax, Plagioselmis, and Geminigera) nanoflagellates. The interactions of Dinophysis with different prey regulate their growth and toxin production. When Dinophysis cells are ingested by shellfish, their toxins are partially biotransformed and bioaccumulated, rendering the shellfish unsuitable for human consumption. DSP toxins may also affect shellfish metabolism. This book covers diverse aspects of the abovementioned topics—from the laboratory culture of Dinophysis and the kinetics of uptake, transformation, and depuration of DSP toxins in shellfish to Dinophysis population dynamics, the monitoring and regulation of DSP toxins, and their impact on the shellfish industry in some of the aquaculture regions that are traditionally most affected, namely, northeastern Japan, western Europe, southern Chile, and New Zealand.
Author: Robert Jay Weber
Publisher:
ISBN:
Category : Algal blooms
Languages : en
Pages : 118
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Book Description
Author: Gian Paolo Rossini
Publisher: CRC Press
ISBN: 1482210681
Category : Science
Languages : en
Pages : 544
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Book Description
This book provides a structured account of the existing knowledge of toxic algae, the chemistry of the toxins they produce, the effects these substances exert in humans and wildlife, as well as the strategies envisaged to protect public health and the environment. It covers recent advances in the understanding of the biology of toxin producers and the factors involved in the appearance and dynamics of harmful algae blooms, the factors affecting toxin production, the synthesis of toxins both in natural producers and by chemical means in a lab, and the toxin groups posing continuing and novel hazards to living systems.
Author: Richard H. Pierce
Publisher:
ISBN:
Category : Bottlenose dolphin
Languages : en
Pages : 72
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Book Description
Author: Royal Society of New Zealand
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 78
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Book Description
This workshop is about research and science. Its focus is on future directions for research on toxic phytoplankton in New Zealand waters and their effects on New Zealand shellfish. The research issues span a wide range of disciplines from marine biology and oceanography to toxicology and public health.
Author: Luis M. Botana
Publisher: CRC Press
ISBN: 146650515X
Category : Medical
Languages : en
Pages : 1215
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Book Description
The last few years have brought about many changes in the field of marine and freshwater toxins, with advances in analytical technology and the realization that these toxins are a global issue. Offering a complete reference guide, Seafood and Freshwater Toxins: Pharmacology, Physiology, and Detection, Third Edition addresses all aspects of the soci
