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 ?

Following caspase inhibition, plant toxins kill cells through alternative cell death pathways that possess the morphological features of necrosis (Bora et al.

Apoptosis and necroptosis induced by stenodactylin in neuroblastoma cells can be completely prevented through caspase inhibition plus catalase or necrostatin-1

If changes in Earth's climate continue to bring day and evening temperatures more in line with one another (SN: 1/4/92, p.4), insects may find themselves less troubled by plant toxins, according to a study comparing growth rates of tobacco hornworms living in either fluctuating or constant temperatures.

Climate changes may make insects winners

Lucy Cooke said: "Plant toxins can be very dangerous to children as are the effects of food poisoning from unrefrigerated meat.

Fussy kids fear toxins

Researcher Lucy Cooke said, 'Plant toxins can be very dangerous to children, as could the effects of food poisoning from unrefrigerated meat.

Evolution theory of fussy eaters

2001) and naturally occurring plant toxins (Beier and Nigg 1994; Wood 1979).

Pesticide exposures and children's risk tradeoffs

At CSIRO Livestock Industries' Australian Animal Health Laboratory (AAHL), scientists ate taking a proteomic approach to understanding Johne's disease in sheep and cattle; deadly viruses called Hendra and Nipah, which have been discovered in fruit bats; and the effects of plant toxins on grazing animals.

Pioneering proteins: the blossoming field of proteomics promises better ways of managing and treating serious ailments in livestock and humans

While a genetically modified plant and a regular plant may have the same profile for plant toxins, it's possible genetically modified plants "could also contain unexpected high concentrations of plant toxicants," Matthews wrote.

Food labeling backers retrench

The program for the evening was entitled 'Artificial Chromosomes and Plant Toxins as Therapeutic Agents'.

Therapeutic Agents Topic of Vancouver CIC Talk

In addition, we predict that herbivore benefit functions will not be convex with respect to plant toxins; such a case could be a disaster for the plant.

The benefits of induced defenses against herbivores

While a general overview of the subject, it focuses most extensively on biological models (plant toxins, the development of resistance), pesticides, herbicides, and rodenticides, heavy metals, and PCBs and dioxins.

Ecotoxicology: Effects of Pollutants on the Natural Environment

Jack Smith will also be in Birmingham in 2015 with his innovative board game on plant toxins.

Prize haul for Holmfirth High boffins

Clinical testing has proved that Ivy-Dry Defense puts down a chemical barrier preventing plant toxins from penetrating and irritating skin, he says.