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Prospective Roles and Mechanisms of Caffeic Acid in Counter Plant Stress: A Mini Review

Prospective Roles and Mechanisms of Caffeic Acid in Counter Plant Stress: A Mini Review

Umair Riaz1*, Muhammad Ali Kharal2, Ghulam Murtaza3, Qamar uz Zaman4, Sana Javaid4, Hina Ahmed Malik3, Humera Aziz3 and Zafar Abbas1 

1Soil and Water Testing Laboratory for Research, Bahawalpur-63100, Pakistan; 2Punjab Agriculture Department, Agriculture Extension Wing Bahawalpur-63100, Punjab, Pakistan; 3Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad-48040, Pakistan; 4Department of Environmental Sciences, The University of Lahore, Lahore, Pakistan.

umair.riaz@uaf.edu.pk 

ABSTRACT

Biotic and abiotic stresses adversely upset plant growth and development via nutrient deficiencies, hormonal imbalances, ion toxicity as well as osmotic and oxidative anxiety. The most effective mechanism is the biosynthesis of secondary metabolites at cellular level which included organic compounds that help plants to cope with stress conditions by reducing the intensity of stress through enhancing antioxidants activities, detoxifying toxic ions, regulating the uptake of nutrients and by mediating the transport and distribution of different hormones. Caffeic acid is actively involved in plant physiology and mechanisms of stress tolerance primarily utilized by plants for the synthesis of lignin which ultimately thickened cell walls and plant become resistant to ion toxicity sodium and heavy metal stress. It also reconciles the absorption of high energy radiations in mesophyll cells under drought stress, mechanism involves the production of ferulic acid through the methylation of caffeic acid catalyzed by O-methyltransferase. It has been concluded that exogenous application of cafeic acid may be a best option to cope with salinity, ion toxicity, drought and heavy metal stress. 

 

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Pakistan Journal of Agricultural Research

June

Vol. 32, Iss. 2, Pages 218-415

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