Genetic engineering of polyamine and carbohydrate metabolism for osmotic stress tolerance in higher plants |
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Authors: | M V Rajam S Dagar B Waie J S Yadav P A Kumar F Shoeb R Kumria |
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Institution: | (1) Plant Genetic Manipulation Group, Department of Genetics, University of Delhi, South Campus, Benito Juarez Road, 110 021 New Delhi, India;(2) Plant Biotechnology Centre, Indian Agricultural Research Institute, 110 012 New Delhi, India |
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Abstract: | Plant growth and productivity are greatly affected by various stress factors. The molecular mechanisms of stress tolerance
in plant species have been well established. Metabolic pathways involving the synthesis of metabolites such as polyamines,
carbohydrates, proline and glycine betaine have been shown to be associated with stress tolerance. Introduction of the stress-induced
genes involved in these pathways from tolerant species to sensitive plants seems to be a promising approach to confer stress
tolerance in plants. In cases where single gene is not enough to confer tolerance, metabolic engineering necessitates the
introduction of multiple transgenes in plants. |
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Keywords: | Plant polyamines carbohydrates osmoprotectants metabolic engineering transgenic plants |
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