Protein synthesis in relation to ripening of pome fruits.
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It is concluded that normal ripening of pome fruits is a highly coordinated process of biochemical differentiation involving directed protein synthesis.Abstract:
Protein synthesis by intact Bartlett pear fruits was studied with ripening as measured by flesh softening, chlorophyll degradation, respiration, ethylene synthesis, and malic enzyme activity. Protein synthesis is required for normal ripening, and the proteins synthesized early in the ripening process are, in fact, enzymes required for ripening. (14)C-Phenylalanine is differentially incorporated into fruit proteins separated by acrylamide gel electrophoresis of pome fruits taken at successive ripening stages. Capacity for malic enzyme synthesis increases during the early stage of ripening. Fruit ripening and ethylene synthesis are inhibited when protein synthesis is blocked by treatment with cycloheximide at the early-climacteric stage. Cycloheximide became less effective as the climacteric developed. Ethylene did not overcome inhibition of ripening by cycloheximide. The respiratory climacteric is not inhibited by cycloheximide. It is concluded that normal ripening of pome fruits is a highly coordinated process of biochemical differentiation involving directed protein synthesis.read more
Citations
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Involvement of hydrogen peroxide in the regulation of senescence in pear.
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Involvement of Hydrogen Peroxide in the Regulation of
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References
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Journal ArticleDOI
Permeability Characteristics and Amino Acid Incorporation during Senescence (Ripening) of Banana Tissue
TL;DR: It was concluded that the initiation of permeability changes marks the onset of senescence in banana and the causative relations between alterations in permeability, the respiratory rise and other chemical changes attending fruit ripening are discussed.
Journal ArticleDOI
Studies in the Nitrogen Metabolism of Apple Fruits THE CLIMACTERIC RISE IN RESPIRATION IN RELATION TO CHANGES IN THE EQUILIBRIUM BETWEEN PROTEIN SYNTHESIS AND BREAKDOWN
Journal ArticleDOI
Physiology of Fruit.--I. Changes in the Respiratory Activity of Apples during their Senescence at Different Temperatures
Franklin Kidd,Cyril West +1 more
TL;DR: The economic background in the present instance is to be found in modern necessities for the long storage and transport of living plant tissues—the fruits and vegetables of commerce—for consumption as food.
Journal ArticleDOI
Protein and nucleic acid metabolism in fruits. I. Studies of amino acid incorporation during the climacteric rise in respiration of the avocado
Amos Richmond,Jacob B. Biale +1 more
TL;DR: It was concluded that the respiratory upsurge characteristic of the climacteric was not related directly to protein synthesis and was not a reflection of endogenous dilution.