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Updated: Aug 6, 2026

Semi-High Throughput Screening for Potential Drought-tolerance in Lettuce (Lactuca sativa) Germplasm Collections
Published on: April 17, 2015
Understanding regulatory networks and engineering for enhanced drought tolerance in plants
Babu Valliyodan1, Henry T Nguyen
1Division of Plant Sciences and National Center for Soybean Biotechnology, University of Missouri - Columbia, Missouri 65211, USA.
Abstract:
Drought stress is one of the major limitations to crop productivity. To develop crop plants with enhanced tolerance of drought stress, a basic understanding of physiological, biochemical and gene regulatory networks is essential. Various functional genomics tools have helped to advance our understanding of stress signal perception and transduction, and of the associated molecular regulatory network. These tools have revealed several stress-inducible genes and various transcription factors that regulate the drought-stress-inducible systems. Translational genomics of these candidate genes using model plants provided encouraging results, but the field testing of transgenic crop plants for better performance and yield is still minimal. Better understanding of the specific roles of various metabolites in crop stress tolerance will give rise to a strategy for the metabolic engineering of crop tolerance of drought.
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