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Title: Comparative genomics can provide new insights into the evolutionary mechanisms and gene function in CAM plants

Journal Article · · Journal of Experimental Botany
DOI:https://doi.org/10.1093/jxb/erz408· OSTI ID:1576659
ORCiD logo [1];  [2]; ORCiD logo [1]; ORCiD logo [1];  [3]
  1. Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA, The Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, USA
  2. Department of Genetics, Cell Biology and Development and Center for Precision Plant Genomics, University of Minnesota, Saint Paul, MN, USA
  3. University of Wyoming, USA

Crassulacean acid metabolism (CAM) photosynthesis is an important biological innovation enabling plant adaptation to hot and dry environments. CAM plants feature high water-use efficiency, with potential for sustainable crop production under water-limited conditions. A deep understanding of CAM-related gene function and molecular evolution of CAM plants is critical for exploiting the potential of engineering CAM into C3 crops to enhance crop production on semi-arid or marginal agricultural lands. With the newly emerging genomics resources for multiple CAM species, progress has been made in comparative genomics studies on the molecular basis and subsequently on the evolution of CAM. Here, recent advances in CAM comparative genomics research in constitutive and facultative CAM plants are reviewed, with a focus on the analyses of DNA/protein sequences and gene expression to provide new insights into the path and driving force of CAM evolution and to identify candidate genes involved in CAM-related biological processes. Potential applications of new computational and experimental technologies (e.g. CRISPR/Cas-mediated genome-editing technology) to the comparative and evolutionary genomics research on CAM plants are offered.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0008834; AC05-00OR22725
OSTI ID:
1576659
Alternate ID(s):
OSTI ID: 1569384; OSTI ID: 1570521
Journal Information:
Journal of Experimental Botany, Journal Name: Journal of Experimental Botany Vol. 70 Journal Issue: 22; ISSN 0022-0957
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

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Figures / Tables (2)