oligosaccharin

<biochemistry> An oligosaccharide derived from the plant cell wall that in small quantities induces a physiological response in a nearby cell of the same or a different plant and thus acts as a molecular signal.

Sometimes considered to be a plant hormone or plant growth substance. The best authenticated examples are involved in host pathogen interactions and in the control of plant cell expansion.

(18 Nov 1997)


Terms mentioned in text: biochemistry, oligosaccharide, plant, cell wall, small, quantities, induces, physiological, response, cell, same, thus, acts, molecular, signal, plant, hormone, growth substance, best, involved, host, pathogen, interactions, control, cell, expansion
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