Studies on the Internal Feedback Regulation of Ethylene Biosynthesis and Signal Transduction during Fruit Ripening, and the Improvement of Fruit Quality

A brief account of research carried out in our laboratory over the past decade on the postharvest ripening of several fruits is given. Physiological and molecular biological studies reviewed include those relating to ethylene biosynthesis and flesh softening during fruit ripening. Work relating to the development of postharvest treatments and handling procedures aimed at maintaining the quality and extending the shelf-life of ‘Tonewase’ Japanese persimmon fruit during distribution is also summarized.