Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 71, Issue 13, Pages 3780-3802Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/eraa034
Keywords
Breeding; climate change; cultivated plants; food crops; food security; global warming; heat stress; omics; phenomics
Categories
Funding
- Consortium CINSA
- project SUSTAINOLIVE [1811]
- PRIMA Partnership for Research and innovation in the Mediterranean Area
- RGV FAO [DM 10271]
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To ensure the food security of future generations and to address the challenge of the 'no hunger zone' proposed by the FAO (Food and Agriculture Organization), crop production must be doubled by 2050, but environmental stresses are counteracting this goal. Heat stress in particular is affecting agricultural crops more frequently and more severely. Since the discovery of the physiological, molecular, and genetic bases of heat stress responses, cultivated plants have become the subject of intense research on how they may avoid or tolerate heat stress by either using natural genetic variation or creating new variation with DNA technologies, mutational breeding, or genome editing. This review reports current understanding of the genetic and molecular bases of heat stress in crops together with recent approaches to creating heat-tolerant varieties. Research is close to a breakthrough of global relevance, breeding plants fitter to face the biggest challenge of our time.
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