Genome of Crucihimalaya himalaica, a close relative of Arabidopsis, shows ecological adaptation to high altitude

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dc.contributor.authorZhang, Ticao
dc.contributor.authorQiao, Qin
dc.contributor.authorNovikova, Polina Yu.
dc.contributor.authorWang, Qia
dc.contributor.authorYue, Jipei
dc.contributor.authorGuan, Yanlong
dc.contributor.authorMing, Shengping
dc.contributor.authorLiu, Tianmeng
dc.contributor.authorDe, Ji
dc.contributor.authorLiu, Yixuan
dc.contributor.authorAl-Shehbaz, Ihsan A.
dc.contributor.authorSun, Hang
dc.contributor.authorMontagu, Marc Van
dc.contributor.authorHuang, Jinling
dc.contributor.authorPeer, Yves Van de
dc.contributor.authorQiong, La
dc.date.accessioned2020-04-13T17:18:16Z
dc.date.available2020-04-13T17:18:16Z
dc.date.issued2019-04-02
dc.description.abstractCrucihimalaya himalaica is a close relative of Arabidopsis with typical Qinghai–Tibet Plateau (QTP) distribution. Here, by combining short- and long-read sequencing technologies, we provide a de novo genome sequence of C. himalaica. Our results suggest that the quick uplifting of the QTP coincided with the expansion of repeat elements. Gene families showing dramatic contractions and expansions, as well as genes showing clear signs of natural selection, were likely responsible for C. himalaica’s specific adaptation to the harsh environment of the QTP. We also show that the transition to self-pollination of C. himalaica might have enabled its occupation of the QTP. This study provides insights into how plants might adapt to extreme environmental conditions.en_US
dc.identifier.doi10.1073/pnas.1817580116
dc.identifier.urihttp://hdl.handle.net/10342/8100
dc.subjectadaptive evolution, natural selection, extreme environment, Qinghai–Tibet Plateau, S-locusen_US
dc.titleGenome of Crucihimalaya himalaica, a close relative of Arabidopsis, shows ecological adaptation to high altitudeen_US
dc.typeArticleen_US
ecu.journal.issue14en_US
ecu.journal.nameProc Natl Acad Sci U S Aen_US
ecu.journal.pages7137–7146en_US
ecu.journal.volume116en_US

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