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The emerging biofuel crop Camelina sativa retains a highly undifferentiated hexaploid genome structure

Author

Listed:
  • Sateesh Kagale

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada
    National Research Council Canada)

  • Chushin Koh

    (National Research Council Canada)

  • John Nixon

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Venkatesh Bollina

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Wayne E. Clarke

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Reetu Tuteja

    (Plant and AgriBiosciences Centre (PABC), School of Natural Sciences, National University of Ireland Galway)

  • Charles Spillane

    (Plant and AgriBiosciences Centre (PABC), School of Natural Sciences, National University of Ireland Galway)

  • Stephen J. Robinson

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Matthew G. Links

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Carling Clarke

    (National Research Council Canada)

  • Erin E. Higgins

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Terry Huebert

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

  • Andrew G. Sharpe

    (National Research Council Canada)

  • Isobel A. P. Parkin

    (Saskatoon Research Centre, Agriculture and Agri-Food Canada)

Abstract

Camelina sativa is an oilseed with desirable agronomic and oil-quality attributes for a viable industrial oil platform crop. Here we generate the first chromosome-scale high-quality reference genome sequence for C. sativa and annotated 89,418 protein-coding genes, representing a whole-genome triplication event relative to the crucifer model Arabidopsis thaliana. C. sativa represents the first crop species to be sequenced from lineage I of the Brassicaceae. The well-preserved hexaploid genome structure of C. sativa surprisingly mirrors those of economically important amphidiploid Brassica crop species from lineage II as well as wheat and cotton. The three genomes of C. sativa show no evidence of fractionation bias and limited expression-level bias, both characteristics commonly associated with polyploid evolution. The highly undifferentiated polyploid genome of C. sativa presents significant consequences for breeding and genetic manipulation of this industrial oil crop.

Suggested Citation

  • Sateesh Kagale & Chushin Koh & John Nixon & Venkatesh Bollina & Wayne E. Clarke & Reetu Tuteja & Charles Spillane & Stephen J. Robinson & Matthew G. Links & Carling Clarke & Erin E. Higgins & Terry Hu, 2014. "The emerging biofuel crop Camelina sativa retains a highly undifferentiated hexaploid genome structure," Nature Communications, Nature, vol. 5(1), pages 1-11, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4706
    DOI: 10.1038/ncomms4706
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    Cited by:

    1. Sainger, Manish & Jaiwal, Anjali & Sainger, Poonam Ahlawat & Chaudhary, Darshna & Jaiwal, Ranjana & Jaiwal, Pawan K., 2017. "Advances in genetic improvement of Camelina sativa for biofuel and industrial bio-products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P1), pages 623-637.
    2. Kim, Sojung & Kim, Sumin, 2022. "Hybrid simulation framework for the production management of an ethanol biorefinery," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
    3. Xiao Feng & Qipian Chen & Weihong Wu & Jiexin Wang & Guohong Li & Shaohua Xu & Shao Shao & Min Liu & Cairong Zhong & Chung-I Wu & Suhua Shi & Ziwen He, 2024. "Genomic evidence for rediploidization and adaptive evolution following the whole-genome triplication," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    4. Adam M. Session & Daniel S. Rokhsar, 2023. "Transposon signatures of allopolyploid genome evolution," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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