Journal
PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS
Volume 25, Issue 6, Pages 1323-1334Publisher
SPRINGER
DOI: 10.1007/s12298-019-00711-2
Keywords
Climate resilience; Dehydration-responsive element binding protein; Functional markers; Omics; Transgenic crop; Yield traits
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Abiotic stresses negatively influence the survival, biomass production, and yield of crops. Tolerance to diverse abiotic stresses in plants is regulated by multiple genes responding differently to various stress conditions. Genetic engineering approaches have helped develop transgenic crops with improved abiotic stress tolerance including yields. The dehydration-responsive element binding protein (DREB) is a stress-responsive transcription factor that modulates the expression of downstream stress-inducible genes, which confer simultaneous tolerance to multiple stresses. This review focuses on advances in the development of DREB transgenic crops and their characterization under various abiotic stress conditions. It further discusses the mechanistic aspects of abiotic stress tolerance, yield gain, the fate of transgenic plants under controlled and field conditions and future research directions toward commercialization of DREB transgenic crops.
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