Antioxidant enzymes as well as oxidant activities involved in defense mechanisms against the root-knot, reniform and citrus nematodes in their host plants
Afify A. E. M. M. R.1*, Farahat A. A.2, Al-Sayed A. A.2 and Mahfoud N. A. M2
Research Article | Published September 2014
International Journal of Biotechnology and Food Science, Vol. 2(6), pp. 102-111
1Deparment of Biochemistry, Faculty of Agriculture, Cairo University, Egypt.
2Department of Zoology and Agricultural Nematology, Faculty of Agriculture, Cairo University, Egypt.
*Corresponding author. E-mail: abdelmoneimafify@yahoo.com. Tel: 01004352965.
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The changes in oxidants and antioxidants such as enzyme activities (involved in defense mechanisms in plants against pathogens)in cowpea, eggplant, jasmine, papaya and sour orange in response to infection with Meloidogyne incognita, Rotylenchulus reniformis and Tylenchulus semipenetrans were held. Different hosts react the same way to nematode infection, whereas oxidants, lipid peroxidase (MDA) and hydrogen peroxide (H2O2) were increased after nematode infection. Also antioxidant substances, Glutathione (GSH) and ascorbic acid (AA) as well as, superoxide dismutase (SOD), Catalase (CAT) and ascorbate peroxidase (APX) were increased. The rates of increase differed according to nematode species, host plant and nematode initial population.
Keywords: Oxidants, antioxidant enzymes, Meloidogyne incognita, Rotylenculus reniformis, Tylenculus semipenetrans.
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Citation: Afify AEMMR, Farahat AA, Al-Sayed AA, Mahfoud NAM (2014). Antioxidant enzymes as well as oxidant activities involved in defense mechanisms against the root-knot, reniform and citrus nematodes in their host plants. Int. J. Biotechnol. Food Sci. 2(6): 102-111.
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