• UMAKANTA CHOWRA
• Jay Prakash Awasthi
• Preetom Regon
• Sanjenbam Sanjibia Dev
• Sanjib Kumar Panda,Bedabrata Saha

Blackgram [Vigna mungo (L.) Hepper] is an important pulse legume due to its high nutraceutical value and also has the nitrogen fixing bacterial association. But its yield is highly compromised by abiotic stressors, especially in acidic environment caused by aluminium (Al3+) toxicity. This work is an attempt to understand the effects of Al3+ regarding the antioxidant enzymes under acidic (pH-4.7) condition. From this investigation, it was observed that, under pH-4.7+Al3+ stress, lipid peroxidation and lipoxygenase (LOX) activity increased which indicates Al3+ causes oxidative stress and induces cellular damage under acidic medium. In blackgram root and shoot, enhanced level of certain antioxidant enzymes was also observed, which might be very much indicative of their involvement in detoxification of oxidative stress induced by Al3+. Among the antioxidative enzymes, peroxidase (POX), ascorbate peroxidase (APX), glutathione reductase (GR) and superoxide dismutase (SOD) showed significant involvement, with their enhanced activity for Al3+ stress in both root and shoot of blackgram. Isoenzyme profile analysis also indicated enhanced POX activity under stress condition in both root and shoot, which was found to be increased with the concentration of Al3+. From this study, we report that under low pH condition Al3+ can trigger oxidative damage in blackgram, simultaneously triggering antioxidative enzyme coupled defence system.

Aluminium toxicity, antioxidant, isoenzyme, oxidative damage, ROS scavenger

"INSIGHT INTO ALUMINIUM-INDUCED ANTIOXIDANT ENZYME RESPONSES IN BLACKGRAM [Vigna mungo (L.) HEPPER]", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.543-556, June 2019, Available :http://www.jetir.org/papers/JETIR1907381.pdf

"INSIGHT INTO ALUMINIUM-INDUCED ANTIOXIDANT ENZYME RESPONSES IN BLACKGRAM [Vigna mungo (L.) HEPPER]", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp543-556, June 2019, Available at : http://www.jetir.org/papers/JETIR1907381.pdf