Aluminium-induced excessive ROS causes cellular damage and metabolic shifts in black gram Vigna mungo (L.) Hepper

Protoplasma
Umakanta ChowraSanjib Kumar Panda

Abstract

Aluminium-induced oxidative damage caused by excessive ROS production was evaluated in black gram pulse crop. Black gram plants were treated with different aluminium (Al(3+)) concentrations (10, 50 and 100 μM with pH 4.7) and further the effects of Al(3+) were characterised by means of root growth inhibition, histochemical assay, ROS content analysis, protein carbonylation quantification and (1)H-NMR analysis. The results showed that aluminium induces excessive ROS production which leads to cellular damage, root injury, stunt root growth and other metabolic shifts. In black gram, Al(3+) induces cellular damage at the earliest stage of stress which was characterised from histochemical analysis. From this study, it was observed that prolonged stress can activate certain aluminium detoxification defence mechanism. Probably excessive ROS triggers such defence mechanism in black gram. Al(3+) can induce excessive ROS initially in the root region then transported to other parts of the plant. As much as the Al(3+) concentration increases, the rate of cellular injury and ROS production also increases. But after 72 h of stress, plants showed a lowered ROS level and cellular damage which indicates the upregulation of defensive mechanisms....Continue Reading

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Citations

Oct 30, 2019·Journal, Genetic Engineering & Biotechnology·Khairullah M AwadMohammed Hamza Abass
Oct 6, 2020·Frontiers in Plant Science·Hanmei DuSuzhi Zhang
Mar 2, 2017·Proteomes·Akiko Hashiguchi, Setsuko Komatsu
Sep 25, 2020·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Yonghua CuiHongxin Wang

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Methods Mentioned

BETA
NMR

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ggplot2
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