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Title: A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world

Crassulacean acid metabolism (CAM) is a specialized mode of photosynthesis that features nocturnal CO₂ uptake, facilitates increased water-use efficiency (WUE), and enables CAM plants to inhabit water-limited environments such as semi-arid deserts or seasonally dry forests. Human population growth and global climate change now present challenges for agricultural production systems to increase food, feed, forage, fiber, and fuel production. One approach to meet these challenges is to increase reliance on CAM crops, such as Agave and Opuntia, for biomass production on semi-arid, abandoned, marginal, or degraded agricultural lands. Major research efforts are now underway to assess the productivity of CAM crop species and to harness the WUE of CAM by engineering this pathway into existing food and bioenergy crops. An improved understanding of CAM gained through intensive and expanded research efforts has potential for high returns on research investment in the foreseeable future. To help realize the potential of sustainable dryland agricultural systems, it is necessary to address scientific questions related to the genomic features, regulatory mechanisms, and evolution of CAM; CAM-into-C3 engineering; and the production of CAM crops. Answering these questions requires collaborative efforts to build infrastructure for CAM model systems, field trials, mutant collections, and data management.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [1] ;  [1] ;  [5] ;  [5] ;  [6] ;  [1] ;  [1] ;  [1] ;  [7] ;  [8] ;  [9] ;  [10] ;  [2] ;  [1] ;  [11] ;  [12] more »;  [1] ;  [1] ;  [1] ;  [13] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [14] ;  [1] ;  [15] ;  [1] ;  [1] ;  [13] ;  [16] ;  [16] ;  [17] ;  [6] ;  [7] ;  [7] ;  [7] ;  [7] ;  [7] ;  [7] ;  [18] ;  [19] ;  [20] ;  [21] ;  [22] ;  [23] « less
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Nevada, Reno, NV (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Newcastle Univ., Tyne (United Kingdom)
  4. Brown Univ., Providence, RI (United States)
  5. Univ. of Cambridge, Cambridge (United Kingdom)
  6. Univ. of Oxford, Oxford (United Kingdom)
  7. Univ. of Liverpool, Liverpool (United Kingdom)
  8. Ohio Univ., Athens, OH (United States)
  9. Smithsonian Tropical Research Institute, Ancon, (Republic of Panama)
  10. Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States); Fujian Agriculture and Forestry Univ., Fuzhou (China)
  11. Brigham Young Univ., Provo, UT (United States)
  12. Univ. of Tennessee, Knoxville, TN (United States)
  13. Chinese Academy of Forestry, Fuyang (China)
  14. Newcastle Univ., Tyne (United Kingdom)
  15. TC Bioengineering Technology, Geel (Belgium)
  16. Centro de Investigacion Cientifica de Yucatan, Merida (Mexico)
  17. Univ. of Sao Paulo, Sao Paulo (Brazil)
  18. Smithsonian Tropical Research Institute, Ancon (Republic of Panama)
  19. Univ. of Toronto, ON (Canada)
  20. Univ. Autonoma de Coahuila, Saltillo (Mexico)
  21. HudsonAlpha Institute for Biotechnology, Huntsville, AL (United States); US Dept. of Energy Joint Genome Institute, Walnut Creek, CA (United States)
  22. HudsonAlpha Institute for Biotechnology, Huntsville, AL (United States)
  23. James Cook Univ., Townsville, QLD (Australia)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
New Phytologist
Additional Journal Information:
Journal Volume: 207; Journal Issue: 3; Journal ID: ISSN 0028-646X
Publisher:
Wiley
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 60 APPLIED LIFE SCIENCES
OSTI Identifier:
1213325

Yang, Xiaohan, Cushman, John C., Borland, Anne M., Edwards, Erika, Wullschleger, Stan D., Tuskan, Gerald A., Owen, Nick, Griffiths, Howard, Smith, J. Andrew C., Cestari De Paoli, Henrique, Weston, David, Cottingham, Robert, Hartwell, James, Davis, Sarah C., Silvera, Katia, Ming, Ray, Schlauch, Karen, Abraham, Paul E., Stewart, J. Ryan, Guo, Hao -Bo, Nair, Sujithkumar S., Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Albion, Rebecca, Ha, Jungmin, Lim, Sung Don, Wone, Bernard W. M., Yim, Won Cheol, Garcia, Travis, Mayer, Jesse A., Petereit, Juli, Casey, Erin, Hettich, Robert L., Ceusters, John, Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Reyes-Garcia, Casandra, Andrade, Jose Luis, Freschi, Luciano, Beltran, Juan D., Dever, Louisa V., Boxall, Susanna F., Waller, Jade, Davies, Jack, Bupphada, Phaitun, Kadu, Nirja, Winter, Klaus, Sage, Rowan F., Aguilar, Cristobal N., Schmutz, Jeremy, Jenkins, Jerry, and Holtum, Joseph A.M.. A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world. United States: N. p., Web. doi:10.1111/nph.13393.
Yang, Xiaohan, Cushman, John C., Borland, Anne M., Edwards, Erika, Wullschleger, Stan D., Tuskan, Gerald A., Owen, Nick, Griffiths, Howard, Smith, J. Andrew C., Cestari De Paoli, Henrique, Weston, David, Cottingham, Robert, Hartwell, James, Davis, Sarah C., Silvera, Katia, Ming, Ray, Schlauch, Karen, Abraham, Paul E., Stewart, J. Ryan, Guo, Hao -Bo, Nair, Sujithkumar S., Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Albion, Rebecca, Ha, Jungmin, Lim, Sung Don, Wone, Bernard W. M., Yim, Won Cheol, Garcia, Travis, Mayer, Jesse A., Petereit, Juli, Casey, Erin, Hettich, Robert L., Ceusters, John, Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Reyes-Garcia, Casandra, Andrade, Jose Luis, Freschi, Luciano, Beltran, Juan D., Dever, Louisa V., Boxall, Susanna F., Waller, Jade, Davies, Jack, Bupphada, Phaitun, Kadu, Nirja, Winter, Klaus, Sage, Rowan F., Aguilar, Cristobal N., Schmutz, Jeremy, Jenkins, Jerry, & Holtum, Joseph A.M.. A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world. United States. doi:10.1111/nph.13393.
Yang, Xiaohan, Cushman, John C., Borland, Anne M., Edwards, Erika, Wullschleger, Stan D., Tuskan, Gerald A., Owen, Nick, Griffiths, Howard, Smith, J. Andrew C., Cestari De Paoli, Henrique, Weston, David, Cottingham, Robert, Hartwell, James, Davis, Sarah C., Silvera, Katia, Ming, Ray, Schlauch, Karen, Abraham, Paul E., Stewart, J. Ryan, Guo, Hao -Bo, Nair, Sujithkumar S., Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Albion, Rebecca, Ha, Jungmin, Lim, Sung Don, Wone, Bernard W. M., Yim, Won Cheol, Garcia, Travis, Mayer, Jesse A., Petereit, Juli, Casey, Erin, Hettich, Robert L., Ceusters, John, Ranjan, Priya, Palla, Kaitlin J., Yin, Hengfu, Reyes-Garcia, Casandra, Andrade, Jose Luis, Freschi, Luciano, Beltran, Juan D., Dever, Louisa V., Boxall, Susanna F., Waller, Jade, Davies, Jack, Bupphada, Phaitun, Kadu, Nirja, Winter, Klaus, Sage, Rowan F., Aguilar, Cristobal N., Schmutz, Jeremy, Jenkins, Jerry, and Holtum, Joseph A.M.. 2015. "A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world". United States. doi:10.1111/nph.13393. https://www.osti.gov/servlets/purl/1213325.
@article{osti_1213325,
title = {A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world},
author = {Yang, Xiaohan and Cushman, John C. and Borland, Anne M. and Edwards, Erika and Wullschleger, Stan D. and Tuskan, Gerald A. and Owen, Nick and Griffiths, Howard and Smith, J. Andrew C. and Cestari De Paoli, Henrique and Weston, David and Cottingham, Robert and Hartwell, James and Davis, Sarah C. and Silvera, Katia and Ming, Ray and Schlauch, Karen and Abraham, Paul E. and Stewart, J. Ryan and Guo, Hao -Bo and Nair, Sujithkumar S. and Ranjan, Priya and Palla, Kaitlin J. and Yin, Hengfu and Albion, Rebecca and Ha, Jungmin and Lim, Sung Don and Wone, Bernard W. M. and Yim, Won Cheol and Garcia, Travis and Mayer, Jesse A. and Petereit, Juli and Casey, Erin and Hettich, Robert L. and Ceusters, John and Ranjan, Priya and Palla, Kaitlin J. and Yin, Hengfu and Reyes-Garcia, Casandra and Andrade, Jose Luis and Freschi, Luciano and Beltran, Juan D. and Dever, Louisa V. and Boxall, Susanna F. and Waller, Jade and Davies, Jack and Bupphada, Phaitun and Kadu, Nirja and Winter, Klaus and Sage, Rowan F. and Aguilar, Cristobal N. and Schmutz, Jeremy and Jenkins, Jerry and Holtum, Joseph A.M.},
abstractNote = {Crassulacean acid metabolism (CAM) is a specialized mode of photosynthesis that features nocturnal CO₂ uptake, facilitates increased water-use efficiency (WUE), and enables CAM plants to inhabit water-limited environments such as semi-arid deserts or seasonally dry forests. Human population growth and global climate change now present challenges for agricultural production systems to increase food, feed, forage, fiber, and fuel production. One approach to meet these challenges is to increase reliance on CAM crops, such as Agave and Opuntia, for biomass production on semi-arid, abandoned, marginal, or degraded agricultural lands. Major research efforts are now underway to assess the productivity of CAM crop species and to harness the WUE of CAM by engineering this pathway into existing food and bioenergy crops. An improved understanding of CAM gained through intensive and expanded research efforts has potential for high returns on research investment in the foreseeable future. To help realize the potential of sustainable dryland agricultural systems, it is necessary to address scientific questions related to the genomic features, regulatory mechanisms, and evolution of CAM; CAM-into-C3 engineering; and the production of CAM crops. Answering these questions requires collaborative efforts to build infrastructure for CAM model systems, field trials, mutant collections, and data management.},
doi = {10.1111/nph.13393},
journal = {New Phytologist},
number = 3,
volume = 207,
place = {United States},
year = {2015},
month = {7}
}