Interactive effect of 24-epibrassinolide and silicon alleviates cadmium stress via the modulation of antioxidant defense and glyoxalase systems and macronutrient content in Pisum sativum L. seedlings

BMC Plant Biology
Sumira JanParvaiz Ahmad

Abstract

This study assessed the effects of 24-epibrassinolide (EBL, 10-7M) and silicon (2 mM) on the alleviation of cadmium (Cd, 150 mg L-1) toxicity in Pisum sativum L. seedlings via the modulation of growth, antioxidant defense, glyoxalase system, and nutrient uptake. Shoot and root lengths declined by 46.43% and 52.78%, respectively, following Cd stress. Shoot and root dry weights also declined with Cd toxicity. Biochemical and physiological aspects exhibit significant decline including total chlorophyll (33.09%), carotenoid (51.51%), photosynthetic efficiency (32.60%), photochemical quenching (19.04%), leaf relative water content (40.18%), and gas exchange parameters (80.65%). However, EBL or Si supplementation alone or in combination modulates the previously mentioned parameters. Cadmium stress increased proline and glycine betaine (GB) contents by 4.37 and 2.41-fold, respectively. Exposure of plants to Cd stress increased the accumulation of H2O2, malondialdehyde content, electrolyte leakage, and methylglyoxal, which declined significantly with EBL and Si supplementation, both individually and in combination. Similarly, Cd stress adversely affected enzymatic and non-enzymatic antioxidants, but EBL and/or Si supplementation mainta...Continue Reading

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Citations

Aug 14, 2019·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Anjuman HussainQazi Fariduddin
Jan 21, 2019·Environmental Science and Pollution Research International·Afzal HussainShafaqat Ali
Jul 20, 2019·Biomolecules·Anket SharmaBingsong Zheng
Nov 23, 2019·International Journal of Molecular Sciences·Mohammad Golam MostofaLam-Son Phan Tran
Dec 26, 2019·Scientific Reports·Adil KhanAbdul Latif Khan
Dec 11, 2019·Environmental Science and Pollution Research International·Cengiz Kaya, Mustafa Aslan
Jan 16, 2021·Ecotoxicology and Environmental Safety·Fasih Ullah HaiderMuhammad Farooq
Mar 22, 2021·Environmental Research·Fasih Ullah HaiderAdnan Mustafa
Apr 1, 2021·Critical Reviews in Biotechnology·Mohammad Golam MostofaLam-Son Phan Tran
May 11, 2021·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Juan ZhangXinghua Ma
May 16, 2021·Environmental Science and Pollution Research International·Ting WeiJunkang Guo
May 25, 2021·Saudi Journal of Biological Sciences·Ishan SainiManzer H Siddiqui
Jul 3, 2021·Plant Physiology and Biochemistry : PPB·Roderik FialaMiroslava Luxová
Aug 7, 2021·Saudi Journal of Biological Sciences·Vinod Kumar YadavPravej Alam
Oct 4, 2021·Functional Plant Biology : FPB·Xiaofu ZhouHongwei Xu

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Methods Mentioned

BETA
MDA
AsA

Software Mentioned

SPSS

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