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Journal articles on the topic 'Monodehydroascorbate reductase'

Author: Grafiati

Published: 25 January 2025

Last updated: 31 July 2025

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1

Jia, Dongfeng, Huan Gao, Yanqun He, et al. "Kiwifruit Monodehydroascorbate Reductase 3 Gene Negatively Regulates the Accumulation of Ascorbic Acid in Fruit of Transgenic Tomato Plants." International Journal of Molecular Sciences 24, no. 24 (2023): 17182. http://dx.doi.org/10.3390/ijms242417182.

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Ascorbic acid is a potent antioxidant and a crucial nutrient for plants and animals. The accumulation of ascorbic acid in plants is controlled by its biosynthesis, recycling, and degradation. Monodehydroascorbate reductase is deeply involved in the ascorbic acid cycle; however, the mechanism of monodehydroascorbate reductase genes in regulating kiwifruit ascorbic acid accumulation remains unclear. Here, we identified seven monodehydroascorbate reductase genes in the genome of kiwifruit (Actinidia eriantha) and they were designated as AeMDHAR1 to AeMDHAR7, following their genome identifiers. We

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2

Johnston, E. J., E. L. Rylott, E. Beynon, A. Lorenz, V. Chechik, and N. C. Bruce. "Monodehydroascorbate reductase mediates TNT toxicity in plants." Science 349, no. 6252 (2015): 1072–75. http://dx.doi.org/10.1126/science.aab3472.

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3

Yoon, Seo-Kyung, Eung-Jun Park, Eun-Kyung Bae, Young-Im Choi, Joon-Hyeok Kim, and Hyoshin Lee. "Isolation and characterization of a monodehydroascorbate reductase gene in poplar (Populus alba × P. glandulosa)." Journal of Plant Biotechnology 41, no. 4 (2014): 194–200. http://dx.doi.org/10.5010/jpb.2014.41.4.194.

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4

Maynard, Daniel, Vijay Kumar, Jens Spro� та Karl-Josef Dietz. "12-Oxophytodienoic Acid Reductase 3 (OPR3) Functions as NADPH-Dependent α,β-Ketoalkene Reductase in Detoxification and Monodehydroascorbate Reductase in Redox Homeostasis". Plant and Cell Physiology 61, № 3 (2019): 584–95. http://dx.doi.org/10.1093/pcp/pcz226.

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Abstract Arabidopsis (Arabidopsis thaliana) 12-oxophytodienoic acid reductase isoform 3 (OPR3) is involved in the synthesis of jasmonic acid (JA) by reducing the α,β-unsaturated double bond of the cyclopentenone moiety in 12-oxophytodienoic acid (12-OPDA). Recent research revealed that JA synthesis is not strictly dependent on the peroxisomal OPR3. The ability of OPR3 to reduce trinitrotoluene suggests that the old yellow enzyme homolog OPR3 has additional functions. Here, we show that OPR3 catalyzes the reduction of a wide spectrum of electrophilic species that share a reactivity toward the m

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5

Sakihama, Yasuko, Jun'ichi Mano, Satoshi Sano, Kozi Asada, and Hideo Yamasaki. "Reduction of Phenoxyl Radicals Mediated by Monodehydroascorbate Reductase." Biochemical and Biophysical Research Communications 279, no. 3 (2000): 949–54. http://dx.doi.org/10.1006/bbrc.2000.4053.

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6

Zelinová, V., B. Bočová, J. Huttová, I. Mistrík, and L. Tamás. "Impact of cadmium and hydrogen peroxide on ascorbate-glutathione recycling enzymes in barley root." Plant, Soil and Environment 59, No. 2 (2013): 62–67. http://dx.doi.org/10.17221/517/2012-pse.

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We analyse the effect of Cd and H<sub>2</sub>O<sub>2</sub> short-term treatments on the activity of ascorbate-glutathione recycling enzymes in barley root tip. Even a short transient exposure of barley roots to low 15 &micro;mol Cd concentration caused a marked approximately 70% root growth inhibition. Higher Cd concentrations caused root growth cessation during the first 6 h after short-term Cd treatment. Similarly, a marked root growth inhibition was also detected after the short-term exposure of barley seedlings to H<sub>2</sub>O<sub>2</sub&g

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7

Lederer, Barbara, Oliver Carsten Knörzer, and Peter Böger. "Differential Gene Expression in Plants Stressed by the Peroxidizing Herbicide Oxyfluorfen§." Zeitschrift für Naturforschung C 54, no. 9-10 (1999): 764–70. http://dx.doi.org/10.1515/znc-1999-9-1024.

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The response of plants to the peroxidizing herbicide oxyfluorfen was investigated. The action of this p-nitrodiphenyl ether is based on inhibition of plastidic protoporphyrinogen oxidase, which leads to accumulation of protoporphyrin IX in the cytosol yielding reactive oxygen species by light activation. The induction of activities of antioxidative enzymes was followed in Nicotiana tabacum plants, var. BelW3. Glutathione reductase activity was elevated by 75% compared to control, monodehydroascorbate reductase by 65% and glutathione 5-transferase by 110% . The mRNA of ascorbate peroxidase and

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8

Begara-Morales, Juan C., Beatriz Sánchez-Calvo, Mounira Chaki, et al. "Differential molecular response of monodehydroascorbate reductase and glutathione reductase by nitration andS-nitrosylation." Journal of Experimental Botany 66, no. 19 (2015): 5983–96. http://dx.doi.org/10.1093/jxb/erv306.

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9

Kang, Sang-Jae. "Response of Monodehydroascorbate Reductase in Lettuce Leaves Subjected to Low Temperature Stress." Journal of Life Science 21, no. 3 (2011): 368–74. http://dx.doi.org/10.5352/jls.2011.21.3.368.

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10

Hakam, Nadia, and Jean-Pierre Simon. "Protective system against photoreduced species of dioxygen in two populations of the C4 grass Echinochloa crus-galli (barnyard grass; Poaceae) originating from contrasting climatic regions." Canadian Journal of Botany 75, no. 2 (1997): 310–19. http://dx.doi.org/10.1139/b97-033.

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The comparative effects of cold treatments upon the activities of five enzymes responsible for the elimination or reduction of toxic oxygen species were analyzed in two ecotypes of the C4 grass weed species Echinochloa crus-galli (L.) Beauv. from sites of contrasting climates in Quebec and Mississippi. Specific activities of the enzymes extracted from 4-week-old plants were measured daily for 10 consecutive days upon exposure to 14 °C light (L): 8 °C dark (D) and compared with those of corresponding control plants acclimated at 26 °C L: 20 °C D. Activities of superoxide dismutase were not subs

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11

Hossain, M. A., and K. Asada. "Monodehydroascorbate reductase from cucumber is a flavin adenine dinucleotide enzyme." Journal of Biological Chemistry 260, no. 24 (1985): 12920–26. http://dx.doi.org/10.1016/s0021-9258(17)38813-0.

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12

SANO, Satoshi, Satoru TAO, Yuko ENDO, et al. "Purification and cDNA Cloning of Chloroplastic Monodehydroascorbate Reductase from Spinach." Bioscience, Biotechnology, and Biochemistry 69, no. 4 (2005): 762–72. http://dx.doi.org/10.1271/bbb.69.762.

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13

Dalton, David A., Lorene Langeberg, and Michael Robbins. "Purification and characterization of monodehydroascorbate reductase from soybean root nodules." Archives of Biochemistry and Biophysics 292, no. 1 (1992): 281–86. http://dx.doi.org/10.1016/0003-9861(92)90080-g.

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14

Yemelyanov, V. V., E. G. Prikaziuk, V. V. Lastochkin, O. M. Aresheva, and T. V. Chirkova. "Ascorbate-glutathione cycle in wheat and rice seedlings under anoxia and subsequent reaeration." Vavilov Journal of Genetics and Breeding 28, no. 1 (2024): 44–54. http://dx.doi.org/10.18699/vjgb-24-06.

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The most important part of the plant antioxidant system is the ascorbate-glutathione cycle (AGC), the activity of which is observed upon exposure to a range of stressors, including lack of O2, and oxidative stress occurring immediately after the restoration of oxygen access, hereafter termed reaeration or post-anoxia. The operation of the AGC (enzymes and low-molecular components) in wheat (Triticum aestivum, cv. Leningradka, non-resistant to hypoxia) and rice (Oryza sativa, cv. Liman, resistant) seedlings after 24 h anoxia and 1 h or 24 h reaeration was studied. Significant accumulation of ox

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15

Wollenweber-Ratzer, B., and R. M. M. Crawford. "Enzymatic defence against post-anoxic injury in higher plants." Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 102 (1994): 381–90. http://dx.doi.org/10.1017/s0269727000014378.

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SynopsisPlants tolerant of long-term flooding and oxygen deprivation in their perennating organs such as rhizomes and tubers are able to avoid the deleterious effects of anoxia and minimise the dangers of re-entry to air by reactions with antioxidants such as ascorbic acid and glutathione. In processes of detoxification of oxygen radicals, ascorbic acid is oxidised to dehydroascorbic acid and reduced glutathione to oxidised glutathione. Through the action of enzymes such as monodehydroascorbate reductase (MR) and dehydroascorbate reductase (DHAR), glutathione and ascorbic acid may be regenerat

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16

Sano, Satoshi, You-Na Kang, Hiroko Shigemizu, et al. "Crystallization and preliminary crystallographic analysis of monodehydroascorbate radical reductase from cucumber." Acta Crystallographica Section D Biological Crystallography 60, no. 8 (2004): 1498–99. http://dx.doi.org/10.1107/s0907444904014684.

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17

Murthy, S. S., and B. A. Zilinskas. "Molecular cloning and characterization of a cDNA encoding pea monodehydroascorbate reductase." Journal of Biological Chemistry 269, no. 49 (1994): 31129–33. http://dx.doi.org/10.1016/s0021-9258(18)47399-1.

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18

Sudan, Jebi, Bhawana Negi, and Sandeep Arora. "Oxidative stress induced expression of monodehydroascorbate reductase gene in Eleusine coracana." Physiology and Molecular Biology of Plants 21, no. 4 (2015): 551–58. http://dx.doi.org/10.1007/s12298-015-0327-x.

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19

Kingston-Smith, A. H. "Overexpression of Mn-superoxide dismutase in maize leaves leads to increased monodehydroascorbate reductase, dehydroascorbate reductase and glutathione reductase activities." Journal of Experimental Botany 51, no. 352 (2000): 1867–77. http://dx.doi.org/10.1093/jexbot/51.352.1867.

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20

Yin, Lina, Shiwen Wang, Amin Elsadig Eltayeb, et al. "Overexpression of dehydroascorbate reductase, but not monodehydroascorbate reductase, confers tolerance to aluminum stress in transgenic tobacco." Planta 231, no. 3 (2009): 609–21. http://dx.doi.org/10.1007/s00425-009-1075-3.

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21

S, Pradeesh, and Swapna T. S. "ANTIOXIDANT ACTIVITY IN LEAVES OF SESBANIA GRANDIFLORA (L.) PERS." Asian Journal of Pharmaceutical and Clinical Research 11, no. 1 (2018): 116. http://dx.doi.org/10.22159/ajpcr.2017.v11i1.7132.

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Objective: The main aim of this study was to evaluate the antioxidants present in Sesbania grandiflora (L.) Pers. belongs to the family Fabaceae.Methods: Fresh samples were used for the analysis of antioxidants such as total phenol, carotenoids, Vitamin-A, Vitamin-C, Vitamin-E, peroxidase (POD), catalase (CAT), superoxide dismutase (SOD), ascorbate peroxidase, monodehydroascorbate reductase, and glutathione reductase by standard estimation methods.Results: Present studies revealed that this wild leafy plant has numerous antioxidant factors that destroying the free radicals that damage the cell

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22

S, Pradeesh, and Swapna T. S. "ANTIOXIDANT ACTIVITY IN LEAVES OF SESBANIA GRANDIFLORA (L.) PERS." Asian Journal of Pharmaceutical and Clinical Research 11, no. 1 (2018): 116. http://dx.doi.org/10.22159/ajpcr.2018.v11i1.7132.

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Objective: The main aim of this study was to evaluate the antioxidants present in Sesbania grandiflora (L.) Pers. belongs to the family Fabaceae.Methods: Fresh samples were used for the analysis of antioxidants such as total phenol, carotenoids, Vitamin-A, Vitamin-C, Vitamin-E, peroxidase (POD), catalase (CAT), superoxide dismutase (SOD), ascorbate peroxidase, monodehydroascorbate reductase, and glutathione reductase by standard estimation methods.Results: Present studies revealed that this wild leafy plant has numerous antioxidant factors that destroying the free radicals that damage the cell

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23

Sano, Satoshi, Chikahiro Miyake, Bunzo Mikami, and Kozi Asada. "Molecular Characterization of Monodehydroascorbate Radical Reductase from Cucumber Highly Expressed inEscherichia coli." Journal of Biological Chemistry 270, no. 36 (1995): 21354–61. http://dx.doi.org/10.1074/jbc.270.36.21354.

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24

Lisenbee, Cayle S., Matthew J. Lingard, and Richard N. Trelease. "Arabidopsis peroxisomes possess functionally redundant membrane and matrix isoforms of monodehydroascorbate reductase." Plant Journal 43, no. 6 (2005): 900–914. http://dx.doi.org/10.1111/j.1365-313x.2005.02503.x.

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25

Park, Ae Kyung, Il-Sup Kim, Hackwon Do, et al. "Characterization and Structural Determination of Cold-Adapted Monodehydroascorbate Reductase, MDHAR, from the Antarctic Hairgrass Deschampsia Antarctica." Crystals 9, no. 10 (2019): 537. http://dx.doi.org/10.3390/cryst9100537.

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Ascorbic acid (AsA) is an abundant component of plants and acts as a strong and active antioxidant. In order to maintain the antioxidative capacity of AsA, the rapid regeneration of AsA is regulated by dehydroascorbate reductase (DHAR) and monodehydroascorbate reductase (MDHAR). To understand how MDHAR functions under extreme temperature conditions, this study characterized its biochemical properties and determined the crystal structure of MDHAR from the Antarctic hairgrass Deschampsia antarctica (DaMDHAR) at 2.2 Å resolution. This allowed for a structural comparison with the mesophilic MDHAR

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26

Do, Hackwon, Il-Sup Kim, Young-Saeng Kim, et al. "Purification, characterization and preliminary X-ray crystallographic studies of monodehydroascorbate reductase fromOryza sativaL.japonica." Acta Crystallographica Section F Structural Biology Communications 70, no. 9 (2014): 1244–48. http://dx.doi.org/10.1107/s2053230x14015908.

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Monodehydroascorbate reductase (MDHAR; EC 1.6.5.4) is a key enzyme in the reactive oxygen species (ROS) detoxification system of plants. The participation of MDHAR in ascorbate (AsA) recycling in the ascorbate–glutathione cycle is important in the acquired tolerance of crop plants to abiotic environmental stresses. Thus, MDHAR represents a strategic target protein for the improvement of crop yields. Although physiological studies have intensively characterized MDHAR, a structure-based functional analysis is not available. Here, a cytosolic MDHAR (OsMDHAR) derived fromOryza sativaL.japonicawas

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27

Zhou*, Rui, Lailiang Cheng, and Abhaya Dandekar. "Antisense Inhibition of Sorbitol Synthesis Leads to Changes in the Activity of the Antioxidant System in Apple Leaves." HortScience 39, no. 4 (2004): 887E—887. http://dx.doi.org/10.21273/hortsci.39.4.887e.

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Sorbitol is the primary photosynthetic end product in the leaves of many tree fruit species in the Rosaceae family, but its physiological role remains unclear. In this study, we determined the effect of decreased sorbitol synthesis on the antioxidant system that scavenges reactive oxygen species (ROS) in apple leaves. Sorbitol synthesis was decreased in apple leaves by antisense inhibition of aldose-6-phosphate reductase activity. Dehydroascorbate reductase (DHAR), glutathione reductase, and catalase (CAT) activities increased in the leaves of the transgenic plants with decreased sorbitol synt

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28

Zhao, Tian Hong, Jun Li Wang, Yan Wang, and Ying Cao. "Effects of Antioxidant Enzymes of Ascorbate-Glutathione Cycle in Soybean (Glycine Max) Leaves Exposed to Ozone." Advanced Materials Research 204-210 (February 2011): 672–77. http://dx.doi.org/10.4028/www.scientific.net/amr.204-210.672.

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Open-top chambers (OTCs) were used to investigate the mechanism of antioxidant enzymes to eliminate reactive oxygen species (ROS) of plants under troposphere O3stress. The results indicated that, compared to control, the O3concentration of 80±10 nL·L-1and 110±10 nL·L-1induced an increase on malondialdehyde (MDA) content and a decrease on superoxide anion (O2)production rate and hydrogen peroxide (H2O2) content during the whole growth stage. Simultaneity, it showed a trend of increasing in earlier stage and decreasing in later stage of the activities of ascorbate peroxidase (APX), monodehydroas

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29

Hossain, Zahed, Abul Kalam Azad Mandal, Subodh Kumar Datta, and Amal K. Biswas. "Isolation of a NaCl-tolerant mutant of Chrysanthemum morifolium by gamma radiation: in vitro mutagenesis and selection by salt stress." Functional Plant Biology 33, no. 1 (2006): 91. http://dx.doi.org/10.1071/fp05149.

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A stable NaCl-tolerant mutant (R1) of Chrysanthemum morifolium Ramat has been developed by in vitro mutagenesis with gamma radiation (5 gray; Gy). Salt tolerance was evaluated by the capacity of the plant to maintain both flower quality and yield under NaCl stress. Enhanced salt tolerance of the R1 mutant was attributed to increased activities of reactive oxygen species (ROS)-scavenging enzymes, namely superoxide dismutase (SOD), monodehydroascorbate reductase (MDAR), dehydroascorbate reductase (DHAR) and glutathione reductase (GR), and to reduced membrane damage, higher relative water content

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30

LÓPEZ-HUERTAS, Eduardo, Francisco J. CORPAS, Luisa M. SANDALIO, and Luis A. DEL RÍO. "Characterization of membrane polypeptides from pea leaf peroxisomes involved in superoxide radical generation." Biochemical Journal 337, no. 3 (1999): 531–36. http://dx.doi.org/10.1042/bj3370531.

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The production of superoxide radicals (O2-•) and the activities of ferricyanide reductase and cytochrome c reductase were investigated in peroxisomal membranes from pea (Pisum sativum L.) leaves using NADH and NADPH as electron donors. The generation of O2-• by peroxisomal membranes was also assayed in native polyacrylamide gels using an in situ staining method with NitroBlue Tetrazolium (NBT). When peroxisomal membranes were assayed under native conditions using NADH or NADPH as inducer, two different O2-•-dependent Formazan Blue bands were detected. Analysis by SDS/PAGE of these bands demons

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31

Shigeoka, S., R. Yasumoto, T. Onishi, Y. Nakano, and S. Kitaoka. "Properties of Monodehydroascorbate Reductase and Dehydroascorbate Reductase and Their Participation in the Regeneration of Ascorbate in Euglena gracilis." Microbiology 133, no. 2 (1987): 227–32. http://dx.doi.org/10.1099/00221287-133-2-227.

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32

Vadassery, Jyothilakshmi, Swati Tripathi, Ram Prasad, Ajit Varma, and Ralf Oelmüller. "Monodehydroascorbate reductase 2 and dehydroascorbate reductase 5 are crucial for a mutualistic interaction between Piriformospora indica and Arabidopsis." Journal of Plant Physiology 166, no. 12 (2009): 1263–74. http://dx.doi.org/10.1016/j.jplph.2008.12.016.

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33

Hou, Wen-Chi, Hsien-Jung Chen, and Yaw-Huei Lin. "Dioscorins, the major tuber storage proteins of yam (Dioscorea batatas Decne), with dehydroascorbate reductase and monodehydroascorbate reductase activities." Plant Science 149, no. 2 (1999): 151–56. http://dx.doi.org/10.1016/s0168-9452(99)00152-1.

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34

Kobayashi, Kazuo, Seiichi Tagawa, Satoshi Sano, and Kozi Asada. "A Direct Demonstration of the Catalytic Action of Monodehydroascorbate Reductase by Pulse Radiolysis." Journal of Biological Chemistry 270, no. 46 (1995): 27551–54. http://dx.doi.org/10.1074/jbc.270.46.27551.

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35

Kavitha, Kumaresan, Balasundaram Usha, Suja George, Gayatri Venkataraman, and Ajay Parida. "Molecular Characterization of a Salt‐Inducible Monodehydroascorbate Reductase from the Halophyte Avicennia marina." International Journal of Plant Sciences 171, no. 5 (2010): 457–65. http://dx.doi.org/10.1086/651946.

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36

Leterrier, Marina, Francisco J. Corpas, Juan B. Barroso, Luisa M. Sandalio, and Luis A. del Río. "Peroxisomal Monodehydroascorbate Reductase. Genomic Clone Characterization and Functional Analysis under Environmental Stress Conditions." Plant Physiology 138, no. 4 (2005): 2111–23. http://dx.doi.org/10.1104/pp.105.066225.

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37

Rajput, Vishnu D., Harish, Rupesh Kumar Singh, et al. "Recent Developments in Enzymatic Antioxidant Defence Mechanism in Plants with Special Reference to Abiotic Stress." Biology 10, no. 4 (2021): 267. http://dx.doi.org/10.3390/biology10040267.

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The stationary life of plants has led to the evolution of a complex gridded antioxidant defence system constituting numerous enzymatic components, playing a crucial role in overcoming various stress conditions. Mainly, these plant enzymes are superoxide dismutase (SOD), catalase (CAT), peroxidase (POX), glutathione peroxidase (GPX), glutathione reductase (GR), glutathione S-transferases (GST), ascorbate peroxidase (APX), monodehydroascorbate reductase (MDHAR), and dehydroascorbate reductase (DHAR), which work as part of the antioxidant defence system. These enzymes together form a complex set

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38

Li, Mingjun, Xuesen Chen, Pingping Wang, and Fengwang Ma. "Ascorbic Acid Accumulation and Expression of Genes Involved in Its Biosynthesis and Recycling in Developing Apple Fruit." Journal of the American Society for Horticultural Science 136, no. 4 (2011): 231–38. http://dx.doi.org/10.21273/jashs.136.4.231.

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The objective of this study was to investigate ascorbic acid (AsA) accumulation, mRNA expression of genes involved in AsA biosynthesis as well as recycling, activity of key enzymes, and the relationship of them to AsA levels during the development of apple fruit (Malus ×domestica cv. Gala). AsA concentration, which mainly depends on biosynthesis, was the highest in young fruit post-anthesis and then decreased steadily toward maturation. However, AsA continued to accumulate over time because of the increase in fruit mass. Transcript levels of guanosine diphosphate (GDP)-L-galactose phosphorylas

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Zhang, Yong Bao. "Role of ASC-GSH Metabolism in Trifolium Repens L." Advanced Materials Research 343-344 (September 2011): 815–19. http://dx.doi.org/10.4028/www.scientific.net/amr.343-344.815.

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In order to elucidate the role of ascorbate-glutathione (ASC-GSH) cycle to drought stress, the activities of antioxidant enzymes and the levels of molecules involved in the ASC-GSH metabolism were studied in Trifolium repens seedlings subjected to polyethylene glycol (PEG)-induced water deficit. Compared to the control, the contents of ascorbate (ASC), dehydroascorbate (DHA) and glutathione disulfide (GSSG) increased in PEG-treated seedlings, whereas the glutathione (GSH) content kept constant during the drought period. Further more, the values of ASC/DHA and GSH/GSSG ratios decreased in the p

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40

Kantakhoo, Jirarat, and Yoshihiro Imahori. "Antioxidative Responses to Pre-Storage Hot Water Treatment of Red Sweet Pepper (Capsicum annuum L.) Fruit during Cold Storage." Foods 10, no. 12 (2021): 3031. http://dx.doi.org/10.3390/foods10123031.

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The effects of hot water treatments on antioxidant responses in red sweet pepper (Capsicum annuum L.) fruit during cold storage were investigated. Red sweet pepper fruits were treated with hot water at 55 °C for 1 (HWT-1 min), 3 (HWT-3 min), and 5 min (HWT-5 min) and stored at 10 °C for 4 weeks. The results indicated that HWT-1 min fruit showed less development of chilling injury (CI), electrolyte leakage, and weight loss. Excessive hot water treatment (3 and 5 min) caused cellular damage. Moreover, HWT-1 min slowed the production of hydrogen peroxide and malondialdehyde and promoted the ascor

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41

Hou, Yuanyuan, Ziying Li, Yonghua Zheng, and Peng Jin. "Effects of CaCl2 Treatment Alleviates Chilling Injury of Loquat Fruit (Eribotrya japonica) by Modulating ROS Homeostasis." Foods 10, no. 7 (2021): 1662. http://dx.doi.org/10.3390/foods10071662.

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The effects of calcium chloride (CaCl2) treatment on chilling injury (CI), reactive oxygen species (ROS) metabolism, and ascorbate-glutathione (AsA-GSH) cycle in loquat fruit at 1 °C storage for 35 d were investigated. The results indicated that CaCl2 treatment remarkably suppressed the increase in browning index and firmness as well as the decrease in extractable juice rate. CaCl2 treatment also decreased the production of superoxide radical (O2•−), hydrogen peroxide (H2O2) content, but increased the 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl radical (OH•) scavenging ability, the activiti

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42

Pritchard, Seth G., Zhenlin Ju, Edzard van Santen, et al. "The influence of elevated CO2 on the activities of antioxidative enzymes in two soybean genotypes." Functional Plant Biology 27, no. 11 (2000): 1061. http://dx.doi.org/10.1071/pp99206.

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The effects of elevated compared to current atmospheric CO2 concentration (720 and 365 L L –1 , respectively) on antioxidative enzymatic activities of two soybean (Glycine max (L.) Merr.) genotypes (R and S) grown in open-top field chambers were investigated. Enzymatic activities of leaves collected 40, 47, 54 and 61 d after planting were measured. Elevated CO2 significantly decreased activities of superoxide dismutase (SOD, EC 1.15.1.1), peroxidase (POD, EC 1.11.1.7), catalase (CAT, EC 1.11.1.6), ascorbate peroxidase (APOD, EC 1.11.1.7), gluta-thione peroxidase (GPOD, EC 1.11.1.9) and glutath

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43

Shin, Sun-Young, Myung-Hee Kim, Yul-Ho Kim, Hyang-Mi Park, and Ho-Sung Yoon. "Co-expression of monodehydroascorbate reductase and dehydroascorbate reductase from Brassica rapa effectively confers tolerance to freezing-induced oxidative stress." Molecules and Cells 36, no. 4 (2013): 304–15. http://dx.doi.org/10.1007/s10059-013-0071-4.

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Hausladen, Alfred, and Karl Josef Kunert. "Effects of artificially enhanced levels of ascorbate and glutathione on the enzymes monodehydroascorbate reductase, dehydroascorbate reductase, and glutathione reductase in spinach (Spinacia oleracea)." Physiologia Plantarum 79, no. 2 (1990): 384–88. http://dx.doi.org/10.1111/j.1399-3054.1990.tb06757.x.

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45

Hausladen, Alfred, and Karl Josef Kunert. "Effects of artificially enhanced levels of ascorbate and glutathione on the enzymes monodehydroascorbate reductase, dehydroascorbate reductase, and glutathione reductase in spinach (Spinacia oleracea)." Physiologia Plantarum 79, no. 2 (1990): 384–88. http://dx.doi.org/10.1034/j.1399-3054.1990.790225.x.

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46

Hideg, Éva, Eva Rosenqvist, Gyula Váradi, Janet Bornman, and Éva Vincze. "A comparison of UV-B induced stress responses in three barley cultivars." Functional Plant Biology 33, no. 1 (2006): 77. http://dx.doi.org/10.1071/fp05085.

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In order to investigate the role of potential genotypic differences in three economically important barley cultivars, experiments were carried out to determine the influence of supplemental ultraviolet-B (UV-B, 280–320 nm) radiation on reactive oxygen species (ROS), antioxidant activity and photosynthesis. Greenhouse-grown barley (Hordeum vulgare L.) cultivars ‘Cork’, ‘Prestige’ and ‘Golden Promise’ showed different responses to supplemental 280–320 nm (UV-B) representing 100, 138 and 238% levels of ambient biologically active UV-B radiation, respectively. Among the three cultivars studied, cv

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Yeh, Hui-Ling, Tsen-Hung Lin, Chi-Chih Chen, Tian-Xing Cheng, Hsin-Yang Chang, and Tse-Min Lee. "Monodehydroascorbate Reductase Plays a Role in the Tolerance of Chlamydomonas reinhardtii to Photooxidative Stress." Plant and Cell Physiology 60, no. 10 (2019): 2167–79. http://dx.doi.org/10.1093/pcp/pcz110.

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Abstract Monodehydroascorbate reductase (MDAR; EC 1.6.5.4) is one of the key enzymes in the conversion of oxidized ascorbate (AsA) back to reduced AsA in plants. This study investigated the role of MDAR in the tolerance of Chlamydomonas reinhardtii P.A. Dangeard to photooxidative stress by overexpression and downregulation of the CrMDAR1 gene. For overexpression of CrMDAR1 driven by a HSP70A:RBCS2 fusion promoter, the cells survived under very high-intensity light stress (VHL, 1,800 μmolï¿½m−2ï¿½s−1), while the survival of CC-400 and vector only control (vector without insert) cells decreased

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Carter, Clay J., and Robert W. Thornburg. "Tobacco Nectarin III is a Bifunctional Enzyme with Monodehydroascorbate Reductase and Carbonic Anhydrase Activities." Plant Molecular Biology 54, no. 3 (2004): 415–25. http://dx.doi.org/10.1023/b:plan.0000036373.84579.13.

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Sultana, Shahanaz, Choy-Yuen Khew, Md Mahbub Morshed, Parameswari Namasivayam, Suhaimi Napis, and Chai-Ling Ho. "Overexpression of monodehydroascorbate reductase from a mangrove plant (AeMDHAR) confers salt tolerance on rice." Journal of Plant Physiology 169, no. 3 (2012): 311–18. http://dx.doi.org/10.1016/j.jplph.2011.09.004.

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Alharby, Hesham F., Kamrun Nahar, Hassan S. Al-Zahrani, Khalid Rehman Hakeem, and Mirza Hasanuzzaman. "Enhancing Salt Tolerance in Soybean by Exogenous Boron: Intrinsic Study of the Ascorbate-Glutathione and Glyoxalase Pathways." Plants 10, no. 10 (2021): 2085. http://dx.doi.org/10.3390/plants10102085.

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Boron (B) performs physiological functions in higher plants as an essential micronutrient, but its protective role in salt stress is poorly understood. Soybean (Glycine max L.) is planted widely throughout the world, and salinity has adverse effects on its physiology. Here, the role of B (1 mM boric acid) in salt stress was studied by subjecting soybean plants to two levels of salt stress: mild (75 mM NaCl) and severe (150 mM NaCl). Exogenous B relieved oxidative stress by enhancing antioxidant defense system components, such as ascorbate (AsA) levels, AsA/dehydroascorbate ratios, glutathione

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