PJB-2022-176
Bacteria alleviates the negative impacts of arsenic on the biochemical, metabolic and anti-oxidative parameters of rice (Oryza sativa L.) root
sehresh khan
Abstract
Arsenic (As) affecting the rice growing regions in Pakistan while the heavy metal resistant bacterial strains, are an efficient strategy that play an efficient role in alleviating arsenic stress. Current study design to investigate the role of two halotolernt bacterial strains NCCP-82 (Bacillus Clausii) and NCCP-74 (Bacillus Safensis), to mitigate the toxicity of As in roots of rice. High concentration of arsenic effect rice roots by lowering the seed germination, root growth, biomass and electrolyte content while higher values were recorded in microbe mediated priming. Cellular injury, arsenic contents in root, metabolites (Proline, total soluble sugar, total soluble proteins and glycine betain), antioxidants (SOD, POD, CAT, APX, MDA and H2O2) parameters increase under higher concentrations of As while lower values were observe in microbe treatments. Thus from the present study, proper supply of microbe may be helpful in prevention of As accumulation in roots as well as As toxicity.
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