期刊
SCIENCE
卷 368, 期 6488, 页码 266-269出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aaz7614
关键词
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资金
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [683163]
- Spanish Ministry of Economy and Competitiveness and Agencia Estatal de Investigacion (MINECO/AEI) [BIO2016-78150-P]
- Fondo Europeo de Desarrollo Regional (FEDER) [BIO2016-78150-P]
- Severo Ochoa Programme for Centers of Excellence in R&D 2016-2019 from the Ministerio de Ciencia e Innovacion [SEV-2015-0533]
- CERCA Programme/Generalitat de Catalunya
- [ERC-2015-CoG-683163]
- European Research Council (ERC) [683163] Funding Source: European Research Council (ERC)
Drought alone causes more annual loss in crop yield than all pathogens combined. To adapt to moisture gradients in soil, plants alter their physiology, modify root growth and architecture, and close stomata on their aboveground segments. These tissue-specific responses modify the flux of cellular signals, resulting in early flowering or stunted growth and, often, reduced yield. Physiological and molecular analyses of the model plant Arabidopsis thaliana have identified phytohormone signaling as key for regulating the response to drought or water insufficiency. Here we discuss how engineering hormone signaling in specific cells and cellular domains can facilitate improved plant responses to drought. We explore current knowledge and future questions central to the quest to produce high-yield, drought-resistant crops.
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