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

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 Huebert; Andrew G. Sharpe; Isobel A.P. Parkin

doi:10.1038/ncomms4706

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

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 Huebert
, Andrew G. Sharpe
, Isobel A.P. Parkin

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	3706
Journal	Nature Communications
Volume	5
DOIs	https://doi.org/10.1038/ncomms4706
Publication status	Published - 23 Apr 2014
Externally published	Yes

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Kagale, S., Koh, C., Nixon, J., Bollina, V., Clarke, W. E., Tuteja, R., Spillane, C., Robinson, S. J., Links, M. G., Clarke, C., Higgins, E. E., Huebert, T., Sharpe, A. G., & Parkin, I. A. P. (2014). The emerging biofuel crop Camelina sativa retains a highly undifferentiated hexaploid genome structure. Nature Communications, 5, Article 3706. https://doi.org/10.1038/ncomms4706

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title = "The emerging biofuel crop Camelina sativa retains a highly undifferentiated hexaploid genome structure",

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.",

author = "Sateesh Kagale and Chushin Koh and John Nixon and Venkatesh Bollina and Clarke, \{Wayne E.\} and Reetu Tuteja and Charles Spillane and Robinson, \{Stephen J.\} and Links, \{Matthew G.\} and Carling Clarke and Higgins, \{Erin E.\} and Terry Huebert and Sharpe, \{Andrew G.\} and Parkin, \{Isobel A.P.\}",

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AU - Kagale, Sateesh

AU - Koh, Chushin

AU - Nixon, John

AU - Bollina, Venkatesh

AU - Clarke, Wayne E.

AU - Tuteja, Reetu

AU - Spillane, Charles

AU - Robinson, Stephen J.

AU - Links, Matthew G.

AU - Clarke, Carling

AU - Higgins, Erin E.

AU - Huebert, Terry

AU - Sharpe, Andrew G.

AU - Parkin, Isobel A.P.

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AB - 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.

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SN - 2041-1723

VL - 5

JO - Nature Communications

JF - Nature Communications

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

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