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Sung, S.‐J. S., Xu, D.‐P., Galloway, C. M. and Black, C. C., Jr. 1988. A reassessment of glycolysis and gluconeogenesis in higher plants. ‐ Physiol. Plant. 72: 650–654. Sucrose is the starting point of glycolysis and end point of gluconeogenesis in higher plants. During both glycolysis and gluconeogenesis alternative enzymes are present at various steps to carry out parallel pathways; alternatives are available for utilizing nucleotide triphosphates and pyrophosphate; fructose 2,6‐bisphosphate serves as a strong internal regulator; and plants use these cytoplasmic alternatives as they develop and as their environments change.
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Sung et al. (1988) studied this question.
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