Vitamin E Biosynthesis and Its Regulation in Plants

Antioxidants
Laurent Mène-Saffrané

Abstract

Vitamin E is one of the 13 vitamins that are essential to animals that do not produce them. To date, six natural organic compounds belonging to the chemical family of tocochromanols-four tocopherols and two tocotrienols-have been demonstrated as exhibiting vitamin E activity in animals. Edible plant-derived products, notably seed oils, are the main sources of vitamin E in the human diet. Although this vitamin is readily available, independent nutritional surveys have shown that human populations do not consume enough vitamin E, and suffer from mild to severe deficiency. Tocochromanols are mostly produced by plants, algae, and some cyanobacteria. Tocochromanol metabolism has been mainly studied in higher plants that produce tocopherols, tocotrienols, plastochromanol-8, and tocomonoenols. In contrast to the tocochromanol biosynthetic pathways that are well characterized, our understanding of the physiological and molecular mechanisms regulating tocochromanol biosynthesis is in its infancy. Although it is known that tocochromanol biosynthesis is strongly conditioned by the availability in homogentisate and polyprenyl pyrophosphate, its polar and lipophilic biosynthetic precursors, respectively, the mechanisms regulating their bios...Continue Reading

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Citations

Mar 21, 2018·Antioxidants·Volker Böhm
Jan 21, 2020·Critical Reviews in Food Science and Nutrition·Liyou ZhengQingzhe Jin
Jan 13, 2019·Plants·Angelo De PaolisSofia Caretto
Feb 26, 2019·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Yu-Hsiang Tung, Lean-Teik Ng
Sep 19, 2018·Marine Drugs·Laura Núñez-PonsDaniela Giordano
Nov 5, 2019·Frontiers in Plant Science·Maria Elena Maldonado-CelisJuan Camilo Guerrero Ospina
Apr 23, 2020·Biotechnology for Biofuels·Chien-Yuan Lin, Aymerick Eudes
Dec 9, 2020·Journal of Integrative Plant Biology·Yufei LiJie Luo
Nov 4, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yunqi WenZihao Wei
Jan 21, 2021·International Journal of Environmental Research and Public Health·Veeranjaneya Reddy LebakaMallikarjuna Korivi
Apr 4, 2021·International Journal of Molecular Sciences·Carlos Sainz-UrruelaAna M Díez-Pascual
Apr 4, 2021·International Journal of Molecular Sciences·Beatrycze NowickaRenata Szymańska
Oct 26, 2021·Frontiers in Plant Science·Florencia ReyMaría Jesús Rodrigo

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Methods Mentioned

BETA
transgenic

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