| abscission cellulase | <enzyme> High sequence conservation between bean and soybean abscission cellulase (bac and sac respectively); nucleotide sequence given in first source Registry number: EC 3.2.1.- Synonym: bac gene product, bean, sac gene product, soybean (26 Jun 1999) |
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| abscission | <botany> The normal shedding from a plant of an organ that is mature or aged, for example a ripe fruit, an old leaf. Adj. Abscissile. (09 Oct 1997) |
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| cellulase | <enzyme> Enzymes that break down cellulose and are involved in cell wall breakdown in higher plants, especially during abscission. Produced in large amounts by certain fungi and bacteria. Degradation of cellulose microfibrils requires the concerted action of several cellulases. (26 Mar 1998) |