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Sucrose biosynthesis in Dunaliella

III. Regulation by a membrane change

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Abstract

The temperature dependence of membrane fluidity has been studied by means of spin labeling of intact Dunaliella cells, in the presence of different NaCl concentrations. The obtained data support the proposed hypothesis that the permeability of the chloroplast envelope to fructose-6-phosphate at higher temperatures in the basic regulatory mechanism for sucrose synthesis in Dunaliella.

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Abbreviations

EPR:

electron paramagnetic resonance

F-6-P:

fructose 6-phosphate

UDP:

uridine biphosphate

UDPG:

uridine biphosphoglucose

References

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Müller, W., Wegmann, K. Sucrose biosynthesis in Dunaliella . Planta 141, 165–167 (1978). https://doi.org/10.1007/BF00387884

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  • DOI: https://doi.org/10.1007/BF00387884

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