• This oxidase belongs to the cbb3-type cytochrome c oxidase type, which plays a role in microaerobic respiration. (wikipedia.org)
  • Molecular docking analysis for different enzymes involved in aging (collagenase, elastase and hyaluronidase), antioxidant enzymes (superoxide dismutase, glutathione-s-transferase, glutathione peroxidase and catalase) and mitochondrial enzymes (nicotinamide adenine dinucleotide (NAD)+hydrogen (H) dehydrogenase, succinate dehydrogenase, cytochrome c oxidase and adenosine triphosphate synthase) was carried out for epigallocatechin gallate alone (1), withaferin A alone (2), epigallocatechin gallate and withaferin A in combination (3) and a reference molecule. (ijpsonline.com)
  • However, an unexpected result with the present approach was the finding that the increased dependence on the glutathione peroxidase/reductase mechanism did not occur until greater than 98% of the catalase had been inactivated. (nih.gov)
  • The latter observation indicates that catalase and the glutathione peroxidase/reductase system function intracellularly in a manner very different from that previously ascribed to them. (nih.gov)
  • Bacterial isolates were subjected to microscopic examination using Gram's staining technique and biochemical tests (e.g. coagulase, catalase, oxidase, and motility). (who.int)
  • It is known to oxidize glucose enzymatically in aerated agitator reactors by means of an enzyme mixture consisting of glucose oxidase (GO) and catalase (CAT). (justia.com)
  • Catalase - enzyme that counters bacterial agents in wine. (vinography.com)
  • Glucose oxidase - enzyme used to keep color of white wine stable with age. (vinography.com)
  • The paracrystalline electron-dense inclusions are composed of the enzyme urate oxidase. (nih.gov)
  • The protein coding genes produce multiple enzymes that are used within C. mastitidis' metabolic pathways such as esterase, esterase lipase, catalase, and urease [7]. (kenyon.edu)
  • They contain oxidative enzymes, such as catalase and urate oxidase , at such high concentrations that in some cells the peroxisomes stand out in electron micrographs because of the presence of a crystalloid core ( Figure 12-31 ). (nih.gov)
  • If bubbles appear (due to the production of oxygen gas) the bacteria are catalase positive. (erasingdavid.com)
  • Catalase-negative bacteria may be anaerobes, or they may be facultative anaerobes that only ferment and do not respire using oxygen as a terminal electron acceptor (ie. (erasingdavid.com)
  • to superoxide or that "autoxidize", and when coupled with catalase Oxygen radicals clearly contribute to probably through reactions catalysed within peroxisomes or with cytosolic genomic instability, are produced by by transition metals. (who.int)
  • It is catalase, oxidase, and urease negative and is easily overgrown by other bacteria, which are often found concomitantly. (biomedcentral.com)
  • Catalases play a key role in the defense against oxidative stress in bacteria by catalyzing the decomposition of H2O2. (erasingdavid.com)
  • This rate was determined in control cells and in catalase-inactivated cells while the cells were exposed to H2O2, which was generated at various constant and predetermined rates by glucose oxidase. (nih.gov)
  • The results indicated that catalase handles approximately half of the generated H2O2. (nih.gov)
  • Lactic acid bacteria (LAB) are a group of Gram-positive, non-spore forming, cocci or rods, catalase-negative, and fastidious organisms, with high tolerance for low pH [1,2,3]. (erasingdavid.com)
  • Organisms that are catalase negative are killed normally, whereas catalase-positive organisms (Staphylococcus aureus, Aspergillus, Nocardia, and Serratia) cause major problems. (lu.se)
  • Streptococci are gram-positive, catalase-negative, coagulase-negative cocci that occur in pairs or chains. (nih.gov)
  • S. pyogenes is a gram-positive, catalase-negative, oxidase negative, β-hemolytic streptococci. (nih.gov)
  • Lactobacillus bacteria are catalase negative, Gram positive and usually rod shaped. (erasingdavid.com)
  • Observation of tiny colonies of Gram-positive, catalase-negative coccoid rods triggered molecular identification based on 16S rRNA gene sequencing. (biomedcentral.com)
  • The tests revealed that the environmental isolate (EI) is a non-sporing, non acid-fast, gram-positive, strict-aerobe, and catalase positive microorganism. (ukessays.com)
  • Economical oxidation of glucose is achieved by oxidation with an immobilized glucose oxidase-catalase composition in a reaction mixture at low temperatures below 15.degree. (justia.com)
  • This invention relates to a novel particle-bound, water-insoluble glucose oxidase-catalase composition having a definite minimum catalase activity, as well as to a method of using the same for glucose oxidation at low temperatures. (justia.com)
  • Catalase-positive pathogens, such as Mycobacterium tuberculosis, Legionella pneumophila, and Campylobacter jejuni, make catalase to deactivate the peroxide radicals, thus allowing them to survive unharmed within the host. (erasingdavid.com)
  • What does catalase negative mean? (erasingdavid.com)
  • Is Lactobacillus catalase positive or negative? (erasingdavid.com)
  • The isolate was found to be Gram-negative, long rod shaped, oxidase- and catalase- positive. (scienceopen.com)
  • Since 1999, Actinobaculum schaalii is routinely investigated at our hospital, whenever its presence is suspected due to the detection of minute grey colonies on blood agar plates and negative reactions for catalase. (biomedcentral.com)
  • Specimen was send to laboratory by transport media and cultured in MacConkey agar, Blood agar, OF and oxidase and catalase test Media. (vin.com)
  • In combination with glucose oxidase, for treatment of food wrappers to prevent oxidative deterioration of food: Sarett, Scott, US 2765233 (1956 to Ben L. Sarett). (drugfuture.com)
  • R. Carter, J. E. Prenosil & J. R. Bourne: A Deactivation Study of the Immobilized Glucose Oxidase/Catalase System. (justia.com)
  • In addition, catalases are also involved in multiple cellular processes, such as cell development and differentiation, as well as metabolite production. (erasingdavid.com)
  • Compared with the control, MICT increased GPx and catalase activities and the FRAP level in epididymal adipose tissue. (hindawi.com)