期刊
NATURE
卷 510, 期 7503, 页码 139-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nature13179
关键词
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资金
- Bill & Melinda Gates Foundation
- Winslow Foundation
- Commonwealth Department of Agriculture (Australia)
- International Plant Nutrition Institute, (Australia)
- Grains Research and Development Corporation (Australia)
- Ministry of Agriculture, Forestry and Fisheries (Japan)
- National Science Foundation (NSF) [IOS-08-18435]
- USDA NIFA [2008-35100-044459]
- US Department of Agriculture Agricultural Research Service
- Illinois Council for Food and Agricultural Research (CFAR)
- Department of Energy's Office of Science (BER) Midwestern Regional Center of the National Institute for Climatic Change Research at Michigan Technological University [DEFC02- 06ER64158]
- National Research Initiative of Agriculture and Food Research Initiative Competitive Grants Program from the USDA National Institute of Food and Agriculture [2010-65114-20343]
- Harvard Catalyst \ The Harvard Clinical and Translational Science Center (National Center for Research Resources and the National Center for Advancing Translational Sciences, National Institutes of Health) [8UL1TR000170-05]
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [1358675] Funding Source: National Science Foundation
Dietary deficiencies of zinc and iron are a substantial global public health problem. An estimated two billion people suffer these deficiencies(1), causing a loss of 63 million life-years annually(2,3). Most of these people depend on C-3 grains and legumes as their primary dietary source of zinc and iron. Here we report that C-3 grains and legumes have lower concentrations of zinc and iron when grown under field conditions at the elevated atmospheric CO2 concentration predicted for the middle of this century. C-3 crops other than legumes also have lower concentrations of protein, whereas C-4 crops seem to be less affected. Differences between cultivars of a single crop suggest that breeding for decreased sensitivity to atmospheric CO2 concentration could partly address these new challenges to global health.
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