The key to signalling

Article Abstract:

Hydrophobic hormones including mammalian steroids and plant growth regulators are similar in structure, even though the animal and plant kingdoms diverged evolutionarily long before either group was multicellular. Researchers at the University of Toronto and the Laboratory for Reproductive Growth Regulation (Japan) say that the membranes of ancient single-celled organisms were made of terpenoid-based compounds, so horomones based on steroids and retinoids may have evolved from these. Receptors would also have to have co-evolved.

Canada, Hormones & Related Preparations, Hormone Preparations, Hormones, Evolution (Biology), Evolution

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A receptor for gibberellin

Article Abstract:

A description on the way a receptor for gibberellin is identified and a mechanism, through which the hormone is perceived, is revealed by utilizing a set of mutants deficient in gibberellin synthesis framework. Their characteristics indicated a role for gibberellin in processes ranging from seed germination and leaf expansion to flowering and stem elongation.

Plant Genetics, Plants, Plant development, Gibberellins

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Cloning of adiponectin receptors that mediate antidiabetic metabolic effects

Article Abstract:

Research has been conducted on adipocyt complemen-rated protein, adiponectin. The authors describe the cloning of complementary DNAs which encode adiponectin receptors via expression cloning.

France, Biological Product (except Diagnostic) Manufacturing, Drugs, Antidiabetic Preparations, Deoxyribonucleic Acid, Physiological aspects, Genetic aspects, DNA, Hypoglycemic agents, Metabolism, Proteins, Cloning, Gene expression, Fat cells, Adipocytes

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