Results 251 to 260 of about 49,135 (303)
Geographic Influence on Secondary Metabolite Profiles in Leaves of the Endemic <i>Agathosma betulina</i> (P.J. Bergius) Pillans. in the Western Cape Province, South Africa. [PDF]
Int J Mol SciMnisi NH +6 more
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The Role of Two Glycoalkaloid Metabolism Genes in α-Tomatine Biosynthesis and Basal Defence in Tomato. [PDF]
Mol Plant PatholYou Y +9 more
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A chemical defence against phage infection
Nature, 2018The arms race between bacteria and the phages that infect them drives the continual evolution of diverse anti-phage defences. Previously described anti-phage systems have highly varied defence mechanisms1-11; however, all mechanisms rely on protein components to mediate defence.
Martin Daniel-Ivad +2 more
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Fruit defence syndromes: the independent evolution of mechanical and chemical defences
Evolutionary Ecology, 2017Plants are prone to attack by a great diversity of antagonists against which they deploy various defence mechanisms, of which the two principle ones are mechanical and chemical defences. These defences are hypothesized to be negatively correlated due to either functional redundancy or a trade-off, i.e., plants which rely on increased mechanical defence
Ömer Nevo +2 more
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Chemical Defence of a Centipede (Clinopodes Flavidus)
Journal of Insect PhysiologyChemical substances are of utmost importance for the biotic interactions between animals and their predators/parasites; many of these semiochemicals are emitted for defence purposes. One of the most deterrent and toxic biogenic substances we know of is hydrogen cyanide, which can be stored by certain insects, millipedes, centipedes and arachnids in the
Mitić, Bojan +6 more
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Reducible defence: chemical protection alters the dynamics of predator–prey interactions
Chemoecology, 2015 Morphological and chemical defences are widespread anti-predator mechanisms in most domains of life, and play an important role in understanding predator-prey interactions.
Michael Heethoff +2 more
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Chemical Defences in Aquatic Plants
The Journal of Ecology, 1986(1) Fifteen species of aquatic vascular plants were examined for the presence of alkaloids. (2) The alkaloid content ranged from 0.13 mg g-1 dry weight in Heteranthera dubia to 0.56 mg g-1 dry weight in Potamogeton crispus. These concentrations are within a range which has been found to be pharmacologically active in previous studies, and can therefore
M. L. Ostrofsky, E. R. Zettler
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THE BODY'S CHEMICAL MECHANISMS OF DEFENCE*
Nature, 1947THE defence of the body against the poisonous action of compounds of simple chemical constitution is effected by a variety of chemical reactions. The toxic compound may be oxidized to a non-poisonous product, or to one for which a rapid means of elimination exists.
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Chemical Defence Strategies of Higher Fungi
Chemistry – A European Journal, 2008AbstractLike plants, fungi have evolved a variety of defence strategies in order to protect themselves against feeding mammals, insects and infection with parasitic fungi. In contrast to plants little is known on the chemical ecology of fruiting bodies of higher fungi, particularly those defence mechanisms which are induced upon wounding have only ...
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A contribution to chemical defence in World War II
Trends in Biochemical Sciences, 2000We thank Professor Peter Newell for continuing to allow us space in the Department, and Drs G. Brown and B. Henning for helpful comments and Ms Alex Morgan for assistance with the figures.
M G, Ord, L A, Stocken
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