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Polyploid Arabidopsis species originated around recent glaciation maxima

Polina Novikova (UGent) , Nora Hohmann and Yves Van de Peer (UGent)
(2018) CURRENT OPINION IN PLANT BIOLOGY. 42. p.8-15
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Abstract
Polyploidy may provide adaptive advantages and is considered to be important for evolution and speciation. Polyploidy events are found throughout the evolutionary history of plants, however they do not seem to be uniformly distributed along the time axis. For example, many of the detected ancient whole-genome duplications (WGDs) seem to cluster around the K/Pg boundary (similar to 66 Mya), which corresponds to a drastic climate change event and a mass extinction. Here, we discuss more recent polyploidy events using Arabidopsis as the most developed plant model at the level of the entire genus. We review the history of the origin of allotetraploid species A. suecica and A. kamchatica, and tetraploid lineages of A. lyrata, A. arenosa and A. thaliana, and discuss potential adaptive advantages. Also, we highlight an association between recent glacial maxima and estimated times of origins of polyploidy in Arabidopsis. Such association might further support a link between polyploidy and environmental challenge, which has been observed now for different time scales and for both ancient and recent polyploids.
Keywords
GENOME SIZE, LIFE-HISTORY, THALIANA, PLANTS, ADAPTATION, EVOLUTION, LYRATA, SPECIATION, SUECICA, ARENOSA

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MLA
Novikova, Polina, et al. “Polyploid Arabidopsis Species Originated around Recent Glaciation Maxima.” CURRENT OPINION IN PLANT BIOLOGY, edited by Yves Van de Peer, vol. 42, 2018, pp. 8–15, doi:10.1016/j.pbi.2018.01.005.
APA
Novikova, P., Hohmann, N., & Van de Peer, Y. (2018). Polyploid Arabidopsis species originated around recent glaciation maxima. CURRENT OPINION IN PLANT BIOLOGY, 42, 8–15. https://doi.org/10.1016/j.pbi.2018.01.005
Chicago author-date
Novikova, Polina, Nora Hohmann, and Yves Van de Peer. 2018. “Polyploid Arabidopsis Species Originated around Recent Glaciation Maxima.” Edited by Yves Van de Peer. CURRENT OPINION IN PLANT BIOLOGY 42: 8–15. https://doi.org/10.1016/j.pbi.2018.01.005.
Chicago author-date (all authors)
Novikova, Polina, Nora Hohmann, and Yves Van de Peer. 2018. “Polyploid Arabidopsis Species Originated around Recent Glaciation Maxima.” Ed by. Yves Van de Peer. CURRENT OPINION IN PLANT BIOLOGY 42: 8–15. doi:10.1016/j.pbi.2018.01.005.
Vancouver
1.
Novikova P, Hohmann N, Van de Peer Y. Polyploid Arabidopsis species originated around recent glaciation maxima. Van de Peer Y, editor. CURRENT OPINION IN PLANT BIOLOGY. 2018;42:8–15.
IEEE
[1]
P. Novikova, N. Hohmann, and Y. Van de Peer, “Polyploid Arabidopsis species originated around recent glaciation maxima,” CURRENT OPINION IN PLANT BIOLOGY, vol. 42, pp. 8–15, 2018.
@article{8569531,
  abstract     = {{Polyploidy may provide adaptive advantages and is considered to be important for evolution and speciation. Polyploidy events are found throughout the evolutionary history of plants, however they do not seem to be uniformly distributed along the time axis. For example, many of the detected ancient whole-genome duplications (WGDs) seem to cluster around the K/Pg boundary (similar to 66 Mya), which corresponds to a drastic climate change event and a mass extinction. Here, we discuss more recent polyploidy events using Arabidopsis as the most developed plant model at the level of the entire genus. We review the history of the origin of allotetraploid species A. suecica and A. kamchatica, and tetraploid lineages of A. lyrata, A. arenosa and A. thaliana, and discuss potential adaptive advantages. Also, we highlight an association between recent glacial maxima and estimated times of origins of polyploidy in Arabidopsis. Such association might further support a link between polyploidy and environmental challenge, which has been observed now for different time scales and for both ancient and recent polyploids.}},
  author       = {{Novikova, Polina and Hohmann, Nora and Van de Peer, Yves}},
  editor       = {{Van de Peer, Yves}},
  issn         = {{1369-5266}},
  journal      = {{CURRENT OPINION IN PLANT BIOLOGY}},
  keywords     = {{GENOME SIZE,LIFE-HISTORY,THALIANA,PLANTS,ADAPTATION,EVOLUTION,LYRATA,SPECIATION,SUECICA,ARENOSA}},
  language     = {{eng}},
  pages        = {{8--15}},
  title        = {{Polyploid Arabidopsis species originated around recent glaciation maxima}},
  url          = {{http://doi.org/10.1016/j.pbi.2018.01.005}},
  volume       = {{42}},
  year         = {{2018}},
}
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