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- Webb, K. Judith; Cookson, Alan; Allison, Gordon; Sullivan, Michael
L.; Winters, Ana L.
- Journal of agricultural and food chemistry 2013 v.61 no.31 pp. 7421
- Arabidopsis; Medicago sativa; Trifolium pratense; alfalfa; catechol oxidase; chlorogenic acid; enzyme activity; enzyme substrates; gene expression; genes; leaf emergence; leaves; peduncle
- ... Polyphenol oxidase (PPO) genes and their corresponding enzyme activities occur in many plants; natural PPO substrates and enzyme/substrate localization are less well characterized. Leaf and root PPO activities in Arabidopsis and five legumes were compared with those of high-PPO red clover (Trifolium pratense L.). Red clover PPO enzyme activity decreased leaves > stem > nodules > peduncle = petiole ...