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. 2022 Aug 18;23(16):9310. doi: 10.3390/ijms23169310

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The antioxidative system under drought conditions in crop roots. Drought stress limits root growth while generating oxidative stress. Antioxidative mechanisms, including enzymes and non-enzymatic metabolites, respond to the oxidative stress by regulating the expression of a wide range of related genes. The activated antioxidative system scavenges the oxidative radicals and restores cellular homeostasis. APX, ascorbate peroxidase; CAT, catalase; DHAR, dehydroascorbate reductase; SOD, superoxide dismutase; G6PDH, glucose-6-phosphate dehydrogenase; GALDH, L-galactose dehydrogenase gene; GCS, gamma-glutamylcysteine synthetase gene; GPX, glutathione peroxidase; GR, glutathione reductase; GSHS, glutathione synthase gene; GST, glutathione S-transferase; GULO, L-gulonolactone oxidase gene; SULTR, sulfate transporter; VTE4, gamma-tocopherol methyltransferase gene.