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Title: Why cutting respiratory CO 2 loss from crops is possible, practicable, and prudential

Journal Article · · Modern Agriculture
DOI: https://doi.org/10.1002/moda.1 · OSTI ID:1914360
ORCiD logo [1];  [2];  [3];  [3];  [4];  [5]; ORCiD logo [3]
  1. Department of Biology Centre for Applied Synthetic Biology Concordia University Montréal Quebec Canada
  2. Northern Arizona University Center for Ecosystem Science and Society Flagstaff Arizona USA
  3. Horticultural Sciences Department University of Florida Gainesville Florida USA
  4. Department of Biochemistry and Redox Biology Center University of Nebraska Lincoln Nebraska USA
  5. Australian Research Council Centre of Excellence in Plant Energy Biology School of Molecular Sciences University of Western Australia Crawley Western Australia Australia

Abstract Plants release back to the atmosphere about half of the CO 2 they capture by photosynthesis. Decreasing the rate of crop respiration could therefore potentially increase yields, store more carbon in the soil and draw down atmospheric CO 2 . However, decreasing respiration rate has had very little research effort compared to increasing photosynthesis, the historically dominant metabolic paradigm for crop improvement. Conceptual and technical advances, particularly in protein turnover and directed enzyme evolution, have now opened ways to trim the large fraction of respiration that fuels proteome maintenance by lowering the breakdown and resynthesis rates of enzymes and other proteins. In addition to being theoretically possible and practicable, exploring the reduction of respiration is prudential, given that it (i) has barely yet been tried and (ii) could help meet the challenges of sustaining crop productivity and managing atmospheric carbon.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0020153
OSTI ID:
1914360
Journal Information:
Modern Agriculture, Journal Name: Modern Agriculture Journal Issue: 1 Vol. 1; ISSN 2751-4102
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Country unknown/Code not available
Language:
English

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