Sentences with phrase «chemical defense»
The term chemical defense refers to a natural or induced production of certain substances by an organism that help protect it from predators, pathogens or environmental stress. Full definition
Marine algae utilize secondary metabolic products in order to provide themselves with a form of chemical defense against micro-organisms and predators.
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Zebrafish (Danio rerio) embryos illustrating the function of the transporter protein Abcb4 acting as effective chemical defense by keeping out chemical compounds from the embryos.
Application of Modern Toxicology Approaches for Predicting Acute Toxicity for Chemical Defense reviews the current state of computational and high - throughput approaches for predicting acute toxicity caused by chemical exposures likely to be encountered by deployed military personnel.
Although glandular hairs are a common chemical defense mechanism in plants, they're rare in insects.
«We looked at how chemical defense cues from plants, meant to deter herbivores, can also deter pollinators,» said Glaum, a doctoral student in the U-M Department of Ecology and Evolutionary Biology.
The study published in Journal of Cereal Science by MTT's senior research scientist Juha - Matti Pihlava, shows that the diversity of chemical defense compounds typical to barley, namely hordatines and their precursors, is much larger than previously thought.
The sample below is for a Nuclear Biological and Chemical Defense Specialist CV Resume Sample.
Led and mentored 22 Air Force personnel, instructed 156 aircrew chemical defense classes, and spearheaded many safety and compliance trainings.
Poison frog species and ants in Madagascar and the Americas have evolved similar methods of chemical defense
Khosla, 34, has been investigating the microbial genes that make polyketides, a class of complex molecules that fungi and bacteria use for chemical defense.
And when the beetle tried to bite, the caterpillar launched additional defenses: It squeaked, which is known to startle predators, and threw up on its attacker, possibly as a chemical defense.
The bombardier group of more than 600 beetle species has become a textbook example of chemical defense (SN Online: 4/30/15).
When a parasitoid - infected tomato fruit worm attacks a plant, the plant does not realize the caterpillar is chewing on it, none of the chemical defense systems in the plant activate.
Our results demonstrate how resistance to agonist toxins can evolve and that such genetic changes propel organisms toward an adaptive peak of chemical defense.
Biologists speculate that cutting calories promotes longevity by subjecting the organism to stress, which provokes a chemical defense.
«Caterpillars react to this chemical defense by crawling away, so using vibrations to enhance plant defenses could be useful to agriculture,» Appel said.
«But the fact that so many ant species appear to have little or no chemical defense against microbial pathogens is also important.»
«These are the most toxic chemical warfare agents ever developed,» says Jonathan Newmark, a neurologist in Burke, Virginia, who has helped develop countermeasures against such weapons at the U.S. Army Medical Research Institute of Chemical Defense (USAMRICD) in Edgewood, Maryland, and other agencies.
Application of Modern Toxicology Approaches for Predicting Acute Toxicity for Chemical Defense.
Antigens are any substance that the immune system identifies as an invader and responds to by producing a chemical defense: antibodies.