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Plant-insect coevolution and inhibition of acetylcholinesterase
The theory of plant-insect coevolution provides for diffuse coevolution and the expectation that plants evolve broad-spectrum chemical defenses with which some insects coevolve by detoxifying and… Expand
Insect Chemoreception: Fundamental and Applied
- M. F. Ryan
Preface. 1. Introduction and Overview. Part I: Fundamental Aspects. 2. Plant Chemicals. 3. Pheromones. 4. The Chemoreceptive Organs: Structural Aspects. 4. Electrophysiology of Chemoreception. 6.… Expand
Production and perception of pheromones by the beetle Tribolium confusum
Abstract Adults of Tribolium confusum secrete two pheromones. The first, produced by the male, is attractive to both sexes and the second, produced by the female, is attractive to the male only.… Expand
The Role of Magnesium in Clinical Biochemistry: An Overview
- M. F. Ryan
- Chemistry, Medicine
- Annals of clinical biochemistry
- 1 January 1991
Magnesium is the second most abundant intracellular cation. It is essential for a wide variety of metabolically important reactions, in particular those involving ATP. Hypomagnesaemia is surprisingly… Expand
Effects of alpha-hederin and thymoquinone, constituents of Nigella sativa, on human cancer cell lines.
The separate effects of alpha-hederin and thymoquinone, the two principal bioactive constituents of Nigella sativa, on four human cancer cell lines [A549 (lung carcinoma), HEp-2 (larynx epidermoid… Expand
Ethanolic extracts of Euphorbia and other ethnobotanical species as inhibitors of human tumour cell growth.
Ethanolic extracts of 20 plant species, selected from the ethnobotanical literature, were analysed for their pharmacological potential as antineoplastic agents against the HEp-2 cell line. Psoralea… Expand
Enzymatic properties of the Duvernoy's secretion of Blanding's tree snake (Boiga blandingi) and of the mangrove snake (Boiga dendrophila).
Duvernoy's secretion from representatives of the colubrid genus Boiga has been shown by other workers: (1) to contain an alpha-bungarotoxin-like component (Blanding's tree snake, Boiga blandingi);… Expand
Effect of Artemisia vulgaris Rhizome Extracts on Hatching, Mortality, and Plant Infectivity of Meloidogyne megadora.
- S. D. S. da R Costa, M. S. N. de A Santos, M. F. Ryan
- Medicine, Biology
- Journal of nematology
- 15 December 2003
The activity of an ethanolic rhizome extract of Artemisia vulgaris against hatching, mortality, host plant infectivity, and galling of the root-knot nematode Meloidogyne megadora was investigated.… Expand
Modes of action of alpha-hederin and thymoquinone, active constituents of Nigella sativa, against HEp-2 cancer cells.
Our previous studies on active constituents of Nigella sativa have indicated that cell death induced by thymoquinone and alpha-hederin was dose- and time-dependent, in a range of four cancer cell… Expand