Letter | Published:

Negative Cooperativity of Phosphofructokinase as a Possible Regulator of Ripening in Banana Fruit

Naturevolume 247pages389391 (1974) | Download Citation

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Abstract

THE banana belongs to a group of fruits which undergo a rapid increase in respiration with ripening1. Several theories have been advanced to account for this ‘respiratory climacteric’2: the most often mentioned hypotheses are (1) the uncoupling of oxidative phosphorylation, (2) a change in acceptor control by ADP, (3) a change in membrane permeability, and (4) the synthesis or activation of a rate-limiting enzyme. The uncoupler theory and the ADP to ATP ratio change have, however, been disproved, and no clear evidence has been presented in support of the other theories.

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References

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    Biale, J. B., in Handbuch der Pflanzenphysiologie (edit. by Ruhland, W.), 12/2, 536 (Springer-Verlag, Berlin, 1960).

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    Rhodes, M. J. C., in The Biochemistry of Fruits and Their Products (edit. by Hulme, A. C.), 1, 521 (Academic Press, London and New York, 1971).

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    Chalmers, D. J., and Rowan, K. S., Plant Physiol., 48, 235 (1971).

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    Kelly, G. T., and Turner, J. F., Biochem. J., 115, 481 (1969).

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    Eadie, G. S., J. biol. Chem., 146, 85 (1943).

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    Koshland, jun., D. E., The Enzymes (edit. by Boyer, P. D.) 1, 341 (Academic Press, New York, 1970).

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Author information

Affiliations

  1. Department of Plant Sciences, University of California, Riverside, California, 92502

    • S. O. SALMINEN
    •  & R. E. YOUNG

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https://doi.org/10.1038/247389b0

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