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Title: Undervalued potential of crassulacean acid metabolism for current and future agricultural production

Journal Article · · Journal of Experimental Botany
DOI:https://doi.org/10.1093/jxb/erz223· OSTI ID:1625389
ORCiD logo [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9]
  1. Ohio Univ., Voinovich School of Leadership and Public Affairs, Athens, OH (United States). Dept. of Environmental and Plant Biology
  2. Cinvestav Unidad Irapuato, Irapuato, Guanajuato (México). Dept. of Genetic Engineering
  3. Cinvestav Unidad Irapuato, Irapuato, Guanajuato (México). Dept. of Genetic Engineering
  4. Univ. of Nevada, Reno, NV (United States). Dept. of Biochemistry and Molecular Biology
  5. Wageningen University, Wageningen (The Netherlands). Horticulture and Product Physiology
  6. Newcastle University, Newcastle upon Tyne (United Kingdom). School of Natural and Environmental Sciences
  7. Univ. of Liverpool (United Kingdom). Dept. of Functional and Comparative Genomics, Institute of Integrative Biology
  8. Instituto de Ecología, Universidad Nacional Autónoma de México, Unidad Hermosillo, Sonora (México)
  9. Desert Botanical Garden (United States)

The potential for crassulacean acid metabolism (CAM) to support resilient crops that meet demands for food, fiber, fuel, and pharmaceutical products far exceeds current production levels. This review provides background on five families of plants that express CAM, including examples of many species within these families that have potential agricultural uses. We summarize traditional uses, current developments, management practices, environmental tolerance ranges, and economic values of CAM species with potential commercial applications. The primary benefit of CAM in agriculture is high water use efficiency that allows for reliable crop yields even in drought conditions. Agave species, for example, grow in arid conditions and have been exploited for agricultural products in North and South America for centuries. Yet, there has been very little investment in agricultural improvement for most useful Agave varieties. Other CAM species that are already traded globally include Ananas comosus (pineapple), Aloe spp., Vanilla spp., and Opuntia spp., but there are far more with agronomic uses that are less well known and not yet developed commercially. Recent advances in technology and genomic resources provide tools to understand and realize the tremendous potential for using CAM crops to produce climate-resilient agricultural commodities in the future.

Research Organization:
Univ. of Nevada, Reno, NV (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0008834
OSTI ID:
1625389
Journal Information:
Journal of Experimental Botany, Vol. 70, Issue 22; ISSN 0022-0957
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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