ISHS Acta Horticulturae 553: IV International Conference on Postharvest Science
EFFECTS OF CHILLING ON THE ACCUMULATION OF ACC OXIDASE AND ACC SYNTHASE PROTEINS IN ‘GRANNY SMITH’ APPLE FRUITS |
| Authors: | I. Lara, M. Vendrell |
| Keywords: | ethylene biosynthesis, postharvest storage |
| Abstract:
Although refrigeration suppresses several ripening-related processes, chilling may help to promote rapid and uniform ripening following return to a warmer temperature. A number of pear cultivars require chilling for ripening to occur; ethylene treatment can substitute for chilling, but may not yield such good quality fruit. Cold induced ethylene biosynthesis has also been reported for ‘Granny Smith’ apples (Jobling et al., 1991), which otherwise lack the capability to ripen properly. In the present study, the development of ethylene-synthesising capacity in chilled ‘Granny Smith’ apples was examined, with special attention to the effect of the treatment on the evolution of ACC synthase (ACS) and ACC oxidase (ACO) proteins. Attention was also focused on possible differences in regulation between peel and pulp tissues. | |
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