Toxin

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Toxin

Any poisonous substance a living thing produces as part of its metabolic or other natural process. That is, toxins themselves are not living things, but are produced by living things. Toxins are defined by the Biological Weapons Convention.

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References in periodicals archive ?

The fish biotoxin known as ciguatera poison occurs as a result of a food chain mechanism in many reef-associated fish in tropical areas, the Caribbean, and Pacific Islands.

Fisheries utilization research - 50 years in retrospect, part 2: the enduring research themes

While mast cells are involved in the production of TGF-[beta]1 (transforming growth factor beta 1; another marker commonly evaluated in those with biotoxin illness), MOW has not observed a correlation with dietary changes leading to reduction in TGF-[beta]1 on the same scale as what has been observed clinically with MMP-9.

Mast Cell Activation Syndrome: A Key Exploration in Recovering from Chronic Lyme Disease

According to Vera Trainer, a scientist at the NOAA Fisheries Northwest Fisheries Science Center in Seattle, "Understanding how and where harmful algal blooms originate will help provide early warnings to protect human health and reduce the impact of biotoxins on coastal shellfisheries."

'Hot spot' for toxic harmful algal blooms discovered off Washington coast

Triggered in response to discoveries during import inspections, most EU alerts were the due to the presence of biotoxins or worrying bacteriological analyses.

EU/TUNISIA: SHELLFISH HEALTH AND HYGIENE CONDITIONS STILL UNEVEN

He postulates that the biotoxins from microbes block one or more of the eight enzymes of heme synthesis.

Kryptopyrroluria (aka Hemopyrrollactamuria) 2017: A major piece of the puzzle in overcoming chronic Lyme disease

Each of these groups has concerns about specific contaminants (e.g., polychlorinated biphenyls, biotoxins, pesticides, and methyl-mercury) in seafood they eat regularly.

Framing scientific analyses for risk management of environmental hazards by communities: case studies with seafood safety issues

(1) Centre for Environment, Fisheries and Aquaculture Science (Cefas), Barrack Road, The Nothe, Weymouth, Dorset DT4 8UB, UK; (2) Technische Universitat Munchen, Walther-Meifiner-Strafie 3,85748 Garching, Germany; (3) Marine Biotoxin Department, Mar del Plata Regional Laboratory, Agri-food Health and Quality National Service (Senasa), Argentina

Paralytic shellfish toxins in the marine gastropods Zidona dufresnei and Adelomelon beckii from Argentina: toxicity and toxin profiles

Laboratory evaluation necessarily includes tests for many classes of infection, a full medical workup with CBC with differential, CMP, UA, HLA typing for biotoxin illness, methylation genetic profiling, hypercoagulability evaluation, inflammatory cytokines, and autoimmune makers.

Multifactorial approaches to Lyme infection

Effective biotoxin management and full use of shellfish resources is severely hampered by the remote and rugged coastline that encompasses more than 1.7 million [km.sup.2].

Enhancing shellfish safety in Alaska through monitoring of harmful algae and their toxins

The marine biotoxin domoic acid (DA), produced by the cosmopolitan diatom genus Pseudo-nitzschia, is responsible for causing amnesic shellfish poisoning (ASP).

Domoic acid transfer to milk: evaluation of a potential route of neonatal exposure

BFAR Leyte provincial director Julius Alpino said that laboratory results of the Regional Marine Biotoxin Laboratory disclosed that the red tide toxins in the coastal areas of Cancabato Bay iare now beyond the regulatory limit.