Ascorbate system in Dasypyrum villosum from different environments.
Ascorbic acid content and redox-enzymes activities of AA system are determined in four population of Dasypyrum villosum adapted to live in different environments. In D. villosum from the driest and warmest environment (Pachino), AFR reductase and AA peroxidase have activities lower than in the other populations. The results point out the role of AA peroxidase as the main "scavenger" of the H2O2 produced by cell metabolism.
Paciolla
C
C
Istituto di Botanica, Università di Bari.
Stefani
A
A
De Gara
L
L
D060387:Ascorbate Peroxidases; D001205:Ascorbic Acid / Q000378:metabolism*; D002374:Catalase / Q000378:metabolism; D002980:Climate; D002523:Edible Grain / Q000378:metabolism*; D006861:Hydrogen Peroxide / Q000378:metabolism; D007558:Italy; D009247:NADH, NADPH Oxidoreductases / Q000378:metabolism; D010084:Oxidation-Reduction; D010544:Peroxidases / Q000378:metabolism; D010940:Plant Proteins / Q000378:metabolism
D010940:Plant Proteins; D006861:Hydrogen Peroxide; D010544:Peroxidases; D060387:Ascorbate Peroxidases; D002374:Catalase; D009247:NADH, NADPH Oxidoreductases; C023927:monodehydroascorbate reductase (NADH); D001205:Ascorbic Acid