(1934). The effect of certain chemicals on the catalase activity in plants. American Journal of Botany 21, 583-591.Landon, R. H. 1934. The effect of certain chemicals on the catalase activity in plants. Am. J. Bot., 21:583-591....
Catalase–peroxidases are not found in plants and animals (Zamocky et al., 2008) but they do resemble plant and fungal peroxidases (Chelikani et al., 2004). These bifunctional catalases are haem enzymes characterized by their peroxidative activity in addition to the catalytic activity (Kape...
Inhibition of catalase activity by oxidative stress and its relationship to salicylic acid accumulation in plants The decrease in catalase activity and its relationship to change in salicylic acid content were investigated in rice, wheat, and cucumber seedlings exposed... IS Shim,Y Momose,A Yamamoto...
Formation of chloroplast protrusions and catalase activity in alpine Ranunculus glacialis under elevated temperature and different CO2/O2 ratiosAscorbate peroxidaseHydrogen peroxidePhotorespirationStromulesUltrastructureChloroplast protrusions (CPs) have frequently been observed in plants, but their significance to ...
Control of H2O2 levels is complex and dissection of mechanisms generating and relieving H2O2 stress is difficult, particularly in intact plants. We have used transgenic tobacco with approximately 10% wild-type catalase activity to study the role of catalase and effects of H2O2 stress in plants. ...
It is common in breathing organisms, mainly in the plants' chloroplasts, mitochondria, endoplasmic reticulum, animal liver and red blood cells.Its enzymatic activity provides antioxidant defense mechanism to the body. CAT is a red blood hormone enzyme. Different sources have different structures.The ...
Catalase activity, measured at Res. Inst. Plant Production, Ruzyne and Hop Res. Inst., 2atec, by the vol. of 0 released in the reaction of leaf extract with H2O2, was approx. 4 times higher in curl infected leaves [str. hop nettle head virus: cf. above and 39, 728] than in heal...
A control was run at the same time in which the enzyme activity was stopped at "zero" time. One unit of catalase activity is defined as that amount of enzyme which breaks down I ,umol of H202min under the assay condi- tions described. Peroxidase Assay. Five milliliters of the ...
Changes in catalase activity and hydrogen peroxide concentration in plants in response to low temperature. Physiol Plant. 1985; 65 (1):51–56... EA Macrae,IB Ferguson - 《Physiologia Plantarum》 被引量: 102发表: 2010年 Influence of peroxisome proliferator-activated receptor alpha on ubiquinone bi...
CAT is a red blood enzyme, different sources have different structures. The level of activity varies in different tissues. Hydrogen peroxide decomposes faster in the liver than in organs such as the brain or heart because of the high levels of CAT in the liver. ...