Nitric oxide production and antioxidant responses in maize under lead stress

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ZANGANEH ROYA; JAMEI RASHID

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Paper Information

Journal: JOURNAL OF PLANT PHYSIOLOGY AND BREEDING Year:2020 | Volume:10 | Issue:1 Page(s): 51-60

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Information Journal Paper

Title

Nitric oxide production and antioxidant responses in maize under lead stress

Author(s)

ZANGANEH ROYA | JAMEI RASHID | Issue Writer Certificate

Keywords

AntioxidantsQ1

Lead stressQ1

Nitric oxideQ2

Oxidative stressQ1

Zea mays LQ1

Abstract

Lead pollution is an important issue in the world. In this research, maize plants were treated with different concentrations of Pb (0, 0. 25, 0. 75, 1, 1. 5, 2. 5 and 5 mM) as lead (II) nitrate for 10 days. The results showed that an increase in lead concentration leads to a reduction in growth, chlorophyll a and b content and an increase in oxidative damages. Application of Pb caused a progressive increase of hydrogen peroxide content, which was followed by a significant level of lipid peroxidation. These changes were accompanied by an increase in Nitric oxide content at the low and its reduction at the high concentrations of Pb. The small increase in the generation of hydrogen peroxide and Nitric oxide are envisaged as messengers in signaling pathways that may act in triggering defense functions to detoxify lead. Therefore, plant stress tolerance variables, including proline, ascorbic acid, flavonoids and anthocyanins content and activity of antioxidant enzymes, enhanced under different lead applications.

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APA: Copy

ZANGANEH, ROYA, & JAMEI, RASHID. (2020). Nitric oxide production and antioxidant responses in maize under lead stress. JOURNAL OF PLANT PHYSIOLOGY AND BREEDING, 10(1 ), 51-60. SID. https://sid.ir/paper/389634/en

Vancouver: Copy

ZANGANEH ROYA, JAMEI RASHID. Nitric oxide production and antioxidant responses in maize under lead stress. JOURNAL OF PLANT PHYSIOLOGY AND BREEDING[Internet]. 2020;10(1 ):51-60. Available from: https://sid.ir/paper/389634/en

IEEE: Copy

ROYA ZANGANEH, and RASHID JAMEI, “Nitric oxide production and antioxidant responses in maize under lead stress,” JOURNAL OF PLANT PHYSIOLOGY AND BREEDING, vol. 10, no. 1 , pp. 51–60, 2020, [Online]. Available: https://sid.ir/paper/389634/en

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