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The Arabidopsis lyrata genome sequence and the basis of rapid genome size change

Open access
Hu, Tina T, Pattyn, Pedro, Bakker, Erica G, Cao, Jun, Cheng, Jan-Fang, Clark, Richard M, Fahlgren, Noah, Fawcett, Jeffrey A, Grimwood, Jane, Gundlach, Heidrun, Haberer, Georg, Hollister, Jesse D, Ossowski, Stephan, Ottilar, Robert P, Salamov, Asaf A, Schneeberger, Korbinian, Spannagl, Manuel, Wang, Xi, Yang, Liang, Nasrallah, Mikhail E, Bergelson, Joy, Carrington, James C, Gaut, Brandon S, Schmutz, Jeremy, Mayer, Klaus F X, Van de Peer, Yves, Grigoriev, Igor V, Nordborg, Magnus, Weigel, Detlef, Guo, Ya-Long·2011·Nature Genetics

Abstract

We report the 207-Mb genome sequence of the North American Arabidopsis lyrata strain MN47 based on 8.3× dideoxy sequence coverage. We predict 32,670 genes in this outcrossing species compared to the 27,025 genes in the selfing species Arabidopsis thaliana. The much smaller 125-Mb genome of A. thaliana, which diverged from A. lyrata 10 million years ago, likely constitutes the derived state for the family. We found evidence for DNA loss from large-scale rearrangements, but most of the difference in genome size can be attributed to hundreds of thousands of small deletions, mostly in noncoding DNA and transposons. Analysis of deletions and insertions still segregating in A. thaliana indicates that the process of DNA loss is ongoing, suggesting pervasive selection for a smaller genome. The high-quality reference genome sequence for A. lyrata will be an important resource for functional, evolutionary and ecological studies in the genus Arabidopsis.

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Metadata

Authors
Hu, T. T., Pattyn, P., Bakker, E. G., Cao, J., Cheng, J.-F., Clark, R. M., Fahlgren, N., Fawcett, J. A., Grimwood, J., Gundlach, H., Haberer, G., Hollister, J. D., Ossowski, S., Ottilar, R. P., Salamov, A. A., Schneeberger, K., Spannagl, M., Wang, X., Yang, L., Nasrallah, M. E., Bergelson, J., Carrington, J. C., Gaut, B. S., Schmutz, J., Mayer, K. F. X., Van de Peer, Y., Grigoriev, I. V., Nordborg, M., Weigel, D., & Guo, Y.-L.
Venue
Nature Genetics
Published
2011-04-10
Volume
43
Issue
5
Pages
476-481
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2075436975
Cited by
872
References
83
FWCI
98.08
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The Arabidopsis lyrata genome sequence and the basis of rapid genome size change. https://app.cochat.ai/papers/10.1038/ng.807
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Hu, T. T., Pattyn, P., Bakker, E. G., Cao, J., Cheng, J.-F., Clark, R. M., Fahlgren, N., Fawcett, J. A., Grimwood, J., Gundlach, H., Haberer, G., Hollister, J. D., Ossowski, S., Ottilar, R. P., Salamov, A. A., Schneeberger, K., Spannagl, M., Wang, X., Yang, L., . . . Guo, Y.-L. (2011). The Arabidopsis lyrata genome sequence and the basis of rapid genome size change. Nature Genetics. https://doi.org/10.1038/ng.807

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