Cellulase, Fruit Softening and Abscission in Red RaspberryRubus idaeusL. cv Glen Clova |
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Authors: | SEXTON ROY; PALMER JANE M; WHYTE NICHOLA A; LITTLEJOHNS SUSAN |
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Institution: | Department of Biological and Molecular Sciences, Stirling University, Stirling, FK9 4LA, Scotland, UK |
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Abstract: | The ripening of raspberry fruit (Rubus ideausL. cv Glen Clova)is associated with a climacteric rise in ethylene production.As the fruit pigments change from green to red there is a progressivesoftening, loss of skin strength and a breakdown of cell wallsin the mesocarp. An increase in cellulase (endo-1,4-ß-D-glucanase)in both drupelets and receptacles accompanies these changes.The localization of cellulase in the regions of the fruit associatedwith abscission zones suggest the enzyme may be involved infruit separation as well as softening. Rubus idaeusL; raspberry; fruit ripening; ethylene; abscission; cell wall breakdown; cellulase; endo-1,4-ß-D-glucanase |
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