Abstract
Chemotaxis between gametes particularly of the Fucaceae is discussed and techniques for its detection described. Cell-free preparations ofFucus serratusandF. vesiculosuseggs have been obtained which exert a chemotactic attraction on the sperms ofF. serratus,F. vesiculosusandF. spiralis, the same chemotactic mechanism among these closely related species being indicated. The chemotactic principle is easily expelled from aqueous solution by a stream of inert gas, and may be recovered in a cooled receiver; it seems therefore to be a simple compound. Various arylacetic acids have a marked effect on theFucussperms studied but this effect is distinct from true chemotaxis and is not related to the plant hormone or herbicide activities of the responsible acids.
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Schedule a callMore From: Proceedings of the Royal Society of London. Series B - Biological Sciences
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