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  3. Role of 24-epibrassinolide (EBL) in mediating heavy metal and pesticide induced oxidative stress in plants: A review

Role of 24-epibrassinolide (EBL) in mediating heavy metal and pesticide induced oxidative stress in plants: A review

  • Ecotoxicol Environ Saf. 2018 Jan;147:935-944. doi: 10.1016/j.ecoenv.2017.09.066.
Babar Shahzad 1,  Mohsin Tanveer 2,  Zhao Che 3,  Abdul Rehman 4,  Sardar Alam Cheema 4,  Anket Sharma 5,  He Song 3,  Shams Ur Rehman 6,  Dong Zhaorong 3
Affiliations

Affiliations

  • 1 School of Land and Food, University of Tasmania, Hobart, Tasmania, Australia. Electronic address: bs_tahir786@yahoo.com.
  • 2 School of Land and Food, University of Tasmania, Hobart, Tasmania, Australia.
  • 3 School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • 4 Department of Agronomy, University of Agriculture Faisalabad, Pakistan.
  • 5 Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar 143005, Punjab, India.
  • 6 National Maize Key Laboratory, Department of Crop Biotechnology, School of Life Sciences, Hefei 230036, China.
PMID: 29029379 DOI: 10.1016/j.ecoenv.2017.09.066
Abstract

Industrialization and urbanization have posed serious threats to the environment. Excessive release of heavy metals from industrial effluents and overuse of pesticides in modern agriculture are limiting crop production by polluting environment and deteriorating food quality. Sustaining food quality under heavy metals and pesticide stress is crucial to meet the increasing demands for food. 24-Epibrassinolide (EBL), a ubiquitously occurring plant growth hormone shows great potential to alleviate heavy metals and pesticide stress in Plants. This review sums up the potential role of EBL in ameliorating heavy metals and pesticide toxicity in Plants extensively. EBL application increases plant's overall growth, biomass accumulation and photosynthetic efficiency by the modulation of numerous biochemical and physiological processes under heavy metals and pesticide stress. In addition, EBL scavenges Reactive Oxygen Species (ROS) by triggering the production of antioxidant Enzymes such as SOD, CAT, POX etc. EBL also induces the production of proline and soluble proteins that helps in maintaining osmotic potential and osmo-protection under both heavy metals and pesticide stress. At the end, future needs of research about the application of 24-epibrassinolide have also been discussed.

Keywords

EBL; Heavy metals; Lipid peroxidation; Osmo-protection; Pesticide; ROS.

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