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Differential rates of uptake of glucose, fructose and sucrose by pea stem protoplasts



Differential rates of uptake of glucose, fructose and sucrose by pea stem protoplasts



Journal of Experimental Botany 37(181): 1164-1169



Protoplasts from growing regions of etiolated stems of peas Alaska took up glucose more rapidly than fructose when supplied for brief periods at low concn. The uptake of the 2 hexoses was differentially inhibited by galactose and by reagents that curtailed ATP synthesis; uptake of one hexose was not prevented by the other, even at 100-fold excess. Sucrose uptake was much slower than that of either hexose and was correlated with the appearance of invertase activity in the medium.

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Accession: 001336283

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DOI: 10.1093/jxb/37.8.1164



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