*  Reactive oxygen species production in marine microalgae - Wikipedia
"Temporal mismatch between induction of superoxide dismutase and ascorbate peroxidase correlates with high H2O2 concentration in ... ascorbate peroxidase, and glutathione peroxidase). The antioxidant superoxide dismutase catalyses the formation of hydrogen ... while the production of H2O2 by stressed organisms is a secondary source. In marine systems, hydrogen peroxide (H2O2) exists at ... H2O2 is important in aquatic environments because it can oxidize dissolved organic matter and affect the redox chemistry of ...
  https://en.wikipedia.org/wiki/Reactive_oxygen_species_production_in_marine_microalgae
*  JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
... including ascorbate peroxidase, catalase, and peroxidase activities. However, these enzymatic activities were induced to a ... H2O2)-induced SIPS. Phloroglucinol treatment attenuated H2O2-induced SIPS by increasing cell viability and inhibited lipid ... The peroxidase activity of irradiated PaPrx was preserved, and its chaperone activity was significantly increased by increasing ... While the level of endogenous H2O2 was lower in Pokkali than in IR-29, it was reversed upon the salt treatment. Nevertheless, ...
  https://www.jove.com/visualize?author=Eun-Ju+Cho
*  The Saccharomyces cerevisiae transcriptome as a...
... which is negatively regulated by ascorbate peroxidases (APx), plays an important role in the fiber initiation process. Taken ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... Further physiological and biochemical experiments revealed dynamic changes in the carbohydrate flux and H2O2 levels in the ... combination with electron microscope observation collectively indicated that H2O2 burst, ...
  https://www.scoop.it/t/plant-genomics/p/4004273362/2013/07/05/the-saccharomyces-cerevisiae-transcriptome-as-a-mirror-of-phytochemical-variation-in-complex-extracts-of-equisetum-arvense-from-america-china-europe-and-india
*  Genome Comparison of Barley and Maize Smut Fung...
... which is negatively regulated by ascorbate peroxidases (APx), plays an important role in the fiber initiation process. Taken ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... Further physiological and biochemical experiments revealed dynamic changes in the carbohydrate flux and H2O2 levels in the ... combination with electron microscope observation collectively indicated that H2O2 burst, ...
  http://www.scoop.it/t/plant-genomics/p/1853324221/2012/05/27/genome-comparison-of-barley-and-maize-smut-fungi-reveals-targeted-loss-of-rna-silencing-components-and-species-specific-presence-of-transposable-elements
*  BMC Genomics | Full text | 'Bois noir' phytopla...
... which is negatively regulated by ascorbate peroxidases (APx), plays an important role in the fiber initiation process. Taken ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... Further physiological and biochemical experiments revealed dynamic changes in the carbohydrate flux and H2O2 levels in the ... combination with electron microscope observation collectively indicated that H2O2 burst, ...
  http://www.scoop.it/t/plant-genomics/p/3861864533/2012/12/26/bmc-genomics-full-text-bois-noir-phytoplasma-induces-significant-reprogramming-of-the-leaf-transcriptome-in-the-field-grown-grapevine
*  An ultra-high density bin-map for rapid QTL map...
... which is negatively regulated by ascorbate peroxidases (APx), plays an important role in the fiber initiation process. Taken ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... Further physiological and biochemical experiments revealed dynamic changes in the carbohydrate flux and H2O2 levels in the ... combination with electron microscope observation collectively indicated that H2O2 burst, ...
  https://www.scoop.it/t/plant-genomics/p/4022560934/2014/06/06/an-ultra-high-density-bin-map-for-rapid-qtl-mapping-for-tassel-and-ear-architecture-in-a-large-f2-maize-population
*  Annual Plant Reviews, Plant Proteomics: Volume ...
... which is negatively regulated by ascorbate peroxidases (APx), plays an important role in the fiber initiation process. Taken ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... Further physiological and biochemical experiments revealed dynamic changes in the carbohydrate flux and H2O2 levels in the ... combination with electron microscope observation collectively indicated that H2O2 burst, ...
  http://www.scoop.it/t/plant-genomics/p/3507900910/2012/11/28/annual-plant-reviews-plant-proteomics-volume-28-christine-finnie-amazon-com-kindle-store
*  Genome-wide transcriptome profiling of ROS scav...
... ascorbate peroxidase, and superoxide dismutase compared with the non-irradiated plants. Microarray analysis using Affymetrix ... while all three ionization treatments increased the activities of peroxidase, ... However, the H2O2 burst was only observed in the wild-type ovules on the day of anthesis. Cotton boll injection experiments in ... while all three ionization treatments increased the activities of peroxidase, ascorbate peroxidase, and superoxide dismutase ...
  https://www.scoop.it/t/plant-genomics/p/3121663488/2012/10/28/genome-wide-transcriptome-profiling-of-ros-scav-mol-biol-rep-2012-pubmed-ncbi
*  Exogenous Putrescine Delays Senescence of Lisianthus Cut Flowers
... and decreased H2O2 accumulation during vase life. Thus, exogenous Put supplycould maintain membrane integrity by increasing ... Put treatment also enhanced activities of catalase (CAT) and ascorbate peroxidase (APX) ... Put treatment also enhanced activities of catalase (CAT) and ascorbate peroxidase (APX) and decreased H2O2 accumulation during ... Decline in ascorbate peroxidase. activity a prerequisite factor for tepal senescence in Gladiolus. Journal of Plant Physiology, ...
  http://jornamental.iaurasht.ac.ir/article_516780.html
*  Ascorbate peroxidase - Wikipedia
Ascorbate peroxidase (or APX) is a member of the family of heme-containing peroxidases. Heme peroxidases catalyse the H2O2- ... ascorbate peroxidases is a class I peroxidase enzyme. APXs catalyse the H2O2-dependent oxidation of ascorbate in plants, algae ... Cytochrome c peroxidase Manganese peroxidase Kelly GJ, Latzko E (1979). "Soluble ascorbate peroxidase: detection in plants and ... Sharp, KH; Mewies, M; Moody, PCE; Raven, EL (2003). "Crystal structure of the ascorbate peroxidase-ascorbate complex" (PDF). ...
  https://en.wikipedia.org/wiki/Ascorbate_peroxidase
*  zlotnikov.obninsk.ru :: ???????? ???? - ?????? ???? ????
hydroxyl radicals and singlet oxygen and reduce H2O2 to water via ascorbate peroxidase reaction. arimidex discount card ...
  http://zlotnikov.obninsk.ru/forum/viewtopic.php?p=336083
*  Glutathione-ascorbate cycle - Wikipedia
H2O2 is reduced to water by ascorbate peroxidase (APX) using ascorbate as the electron donor. The oxidized ascorbate ( ... also contribute to H2O2 removal in plants. Antioxidant Oxidative stress Peroxidases Noctor G, Foyer CH (Jun 1998). "ASCORBATE ... Thus ascorbate and glutathione are not consumed; the net electron flow is from NADPH to H2O2. The reduction of dehydroascorbate ... The glutathione-ascorbate cycle is a metabolic pathway that detoxifies hydrogen peroxide (H2O2), which is a reactive oxygen ...
  https://en.wikipedia.org/wiki/Glutathione-ascorbate_cycle
*  Cloning and expression of an Arabidopsis gene encoding a putative peroxisomal ascorbate peroxidase, Plant Molecular Biology |...
"Cloning and expression of an Arabidopsis gene encoding a putative peroxisomal ascorbate peroxidase, Plant Molecular Biology" on ... H2O2 from the oxidative burst orchestrates the plant hypersensitive disease resistance response ... peroxidase. Ascorbate peroxidases are important defense enzymes that protect plant cells from oxidative stress ... was identified as a putative peroxisomal membrane-bound ascorbate peroxidase. Ascorbate peroxidases are important defense ...
  https://www.deepdyve.com/lp/springer_journal/cloning-and-expression-of-an-arabidopsis-gene-encoding-a-putative-yE1LFE0VdA
*  Arsenic-induced changes in growth and antioxidant metabolism of fenugreek, Russian Journal of Plant Physiology | 10.1134...
Detection of ascorbate peroxidase activity in native gels by inhibition of the ascorbate dependent reduction of nitroblue ... along with cellular ascorbate pool and its redox state. Despite a significant increase in the H2O2 content in both As20 and ... and redox pool of ascorbate effectively balanced the elevated SOD activity at As20, maintaining the H2O2 concentration higher ... The cause of this completely reverse response of plant growth between As20 and As30 was investigated in the backdrop of H2O2 ...
  https://www.deepdyve.com/lp/springer_journal/arsenic-induced-changes-in-growth-and-antioxidant-metabolism-of-SpXzQYGDdg
*  JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
... ascorbate peroxidases (APX), guaiacol peroxidase (POD) and catalases (CAT) compared with Cd treatment alone, thereby indicating ... 30?M SNP counteracted partly Cd toxicity by reducing the H2O2 and MDA contents of Cd-exposed seedlings. Meanwhile, application ... Cd exposure caused oxidative stress by elevating hydrogen peroxide (H2O2) and malondialdehyde (MDA) contents in root and shoot ... within 3h and demonstrates prominent prevail over H2O2 absent control test. This study reveals low temperature oxidization is ...
  https://www.jove.com/visualize?author=Junyu+Lu
*  L-ascorbate peroxidase - Wikipedia
In enzymology, a L-ascorbate peroxidase (EC 1.11.1.11) is an enzyme that catalyzes the chemical reaction L-ascorbate + H2O2 ... L-ascorbic acid-specific peroxidase, ascorbate peroxidase, and ascorbic acid peroxidase. This enzyme participates in ascorbate ... the two substrates of this enzyme are L-ascorbate and H2O2, whereas its two products are dehydroascorbate and H2O. This enzyme ... Shigeoka S, Nakano Y, Kitaoka S (1980). "Metabolism of hydrogen peroxide in Euglena gracilis Z by L-ascorbic acid peroxidase". ...
  https://en.wikipedia.org/wiki/L-ascorbate_peroxidase
*  Vitamin C - Wikipedia
... vitamin C is a substrate for ascorbate peroxidase. This enzyme utilizes ascorbate to neutralize toxic hydrogen peroxide (H2O2) ... Ascorbate salts such as sodium ascorbate and calcium ascorbate are used in some dietary supplements. These release ascorbate ... However, taking vitamin C in the form of sodium ascorbate and calcium ascorbate may minimize this effect. Other symptoms ... The most commonly used supplement compounds are ascorbic acid, sodium ascorbate and calcium ascorbate. Vitamin C molecules can ...
  https://en.wikipedia.org/wiki/Vitamin_C
*  The relations between antioxidant enzymes and chlorophyll fluorescence parameters in common bean cultivars differing in...
Purification of Ascorbate Peroxidase in Spinach Chloroplasts: Its Inactivation in Ascorbate-Depleted Medium and Reactivation by ... Under drought conditions, the level of H2O2 was not changed in cv. Pinto Villa but decreased in other cultivars. Antioxidant ... Antioxidant enzymes (superothide dismutase (SOD), guaiacol peroxidase (GPX), catalase (CAT), ascorbate peroxidase (APX), and ... oxidant enzymes (superothide dismutase (SOD), guaiacol peroxidase (GPX), catalase (CAT), ascorbate per ...
  https://www.deepdyve.com/lp/springer_journal/the-relations-between-antioxidant-enzymes-and-chlorophyll-fluorescence-A50qNQeuDV
*  Most recent papers in the journal Journal of the Science of Food and Agriculture | Read by QxMD
Whitening index, H2 O2 and malondialdehyde (MDA) contents, the activities of catalase (CAT), ascorbate peroxidase (APX), ... glutathione reductase (GR), phenylalanine ammonialyase (PAL), polyphenol oxidase (PPO) and peroxidase (POD) and antioxidant ...
  https://www.readbyqxmd.com/journal/23862
*  DiVA - Search result
... and ascorbate peroxidases (APX) increased in Falat and decreased in Sumai3. In addition, a greater phenylalanine ammonia-lyase ... Crude extract treatment resulted in significant increase of hydrogen peroxide (H2O2) and malondialdehyde (MDA) content in both ...
  http://www.diva-portal.org/smash/resultList.jsf?searchType=SUBJECT&language=en&onlyFullText=false&af=%5B%5D&aq=%5B%5B%7B%22categoryId%22%3A%2211727%22%7D%5D%5D
*  Deficient metabolic utilization of hydrogen peroxide in Trypanosoma cruzi | Biochemical Journal
... hampered accurate measurement of peroxidase activity. The presence of superoxide dismutase and ascorbate peroxidase activity in ... The glutathione peroxidase-glutathione reductase system, an alternative pathway for metabolic utilization of H2O2 [Chance, Sies ... Ascorbate peroxidase activity was cyanide-sensitive and heat-labile, but no activity could be demonstrated with ... The summarized results support the view that T. cruzi epimastigotes lack an adequate enzyme defence against H2O2 and H2O2- ...
  http://www.biochemj.org/content/188/3/643
*  peroxidase - definition and meaning
peroxidase: Any of a group of enzymes that occur especially in plant cells and catalyze the oxidation of a substance by a ... Flavonoid-peroxidase reaction as a detoxification mechanism of plants against H2O2.. Effects of ultraviolet-B on forest ... A peroxidase/phenolics/ascorbate system can scavenge hydrogen peroxide in plants.. Effects of ultraviolet-B on forest ... If I see the word peroxidase again I will scream! helenj_93 off to red n then to bed ... biology isa test tomorrow D:. Gaea ...
  https://www.wordnik.com/words/peroxidase
*  Activity of ascorbate peroxidase (APX) (A), glutathione | Open-i
Activity of ascorbate peroxidase (APX) (A), glutathione reductase (GR) (B), dehydroascorbate reductase (DR) (C), and ... H2O2 and O[Formula: see text] content) than those without ASA treatment. Malondialdehyde content in root tips treated with ASA ... Figure 7: Activity of ascorbate peroxidase (APX) (A), glutathione reductase (GR) (B), dehydroascorbate reductase (DR) (C), and ... Figure 7: Activity of ascorbate peroxidase (APX) (A), glutathione reductase (GR) (B), dehydroascorbate reductase (DR) (C), and ...
  https://openi.nlm.nih.gov/detailedresult.php?img=PMC4591509_fpls-06-00807-g0007&req=4
*  Plantae | Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism |...
They were able to block nuclear H2O2 accumulation by expressing ascorbate peroxidase (a hydrogen peroxide detoxifier) in the ... You are here: Home / Plantae Blog / Research / What We're Reading This Week / Photosynthesis-dependent H2O2 transfer from ... Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism July 14, 2017. / ...
  https://plantae.org/photosynthesis-dependent-h2o2-transfer-from-chloroplasts-to-nuclei-provides-a-high-light-signalling-mechanism/
*  NZResearch.org
... ascorbate peroxidase (APX) and glutathione reductase (GR) activities following heat stress. A significant negative effect of ... Loss of seed vigour was associated with an accumulation of H2O2 and lipid peroxidation. H2O2 in heat stressed seeds was ... Both reactive oxygen species (ROS) (H2O2) and lipid peroxidation were measured. H2O2 and malondialdehyde (MDA) were both ...
  https://nzresearch.org.nz/records?i%5Bdc_type%5D=Thesis&i%5Busage%5D=Modify&locale=en&recordset=research