The emerging biofuel crop camelina sativa retains a highly undifferentiated hexaploid genome structure
View/ Open
Full Text
Date
2014-04-23Author
Kagale, Sateesh
Koh, Chushin
Nixon, John
Bollina, Venkatesh
Clarke, Wayne E.
Tuteja, Reetu
Spillane, Charles
Robinson, Stephen J.
Links, Matthew G.
Clarke, Carling
Higgins, Erin E.
Huebert, Terry
Sharpe, Andrew G.
Parkin, Isobel A. P.
Metadata
Show full item recordUsage
This item's downloads: 0 (view details)
Cited 183 times in Scopus (view citations)
Recommended Citation
Kagale, Sateesh; Koh, Chushin; Nixon, John; Bollina, Venkatesh; Clarke, Wayne E. Tuteja, Reetu; Spillane, Charles; Robinson, Stephen J.; Links, Matthew G.; Clarke, Carling; Higgins, Erin E.; Huebert, Terry; Sharpe, Andrew G.; Parkin, Isobel A. P. (2014). The emerging biofuel crop camelina sativa retains a highly undifferentiated hexaploid genome structure. Nature Communications 5 ,
Published Version
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.