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Can energy generated by sugar efflux be used for ATP synthesis in Chlorella?

Nature volume 248, pages 511–512 (1974)Cite this article

Abstract

CELLS of Chlorella vulgaris can be induced to accumulate hexose analogues more than one thousand fold1,2. This active uptake can be driven by respiration or photosynthesis1,3. During the steady state of 6-deoxyglucose accumulation, (when sugar influx equals sugar efflux) in the dark with air, only about half the influx is powered by respiratory energy and half the steady-state flux rates are still observed under nitrogen3,4. This part of the steady state flux, can, however, be completely inhibited by uncoupling agents such as dinitrophenol or FCCP (ref. 3). It has been postulated, therefore, that about half of the 6-deoxyglucose steady-state influx is supplied with energy generated by efflux.

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Authors and Affiliations

  1. Fachbereich Biologie der Universität Regensburg, Universitatsstrasse, 8400, Regensburg, Germany

    E. KOMOR & W. TANNER

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  1. E. KOMOR
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  2. W. TANNER
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KOMOR, E., TANNER, W. Can energy generated by sugar efflux be used for ATP synthesis in Chlorella?. Nature 248, 511–512 (1974). https://doi.org/10.1038/248511a0

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