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    Transcriptome sequencing of Crucihimalaya himalaica (Brassicaceae) reveals how Arabidopsis close relative adapt to the Qinghai-Tibet Plateau

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    Author
    Qiao, Qin; Wang, Qia; Han, Xi; Guan, Yanlong; Sun, Hang; Zhong, Yang; Huang, Jinling; Zhang, Ticao
    Abstract
    The extreme environment of the Qinghai-Tibet Plateau (QTP) provides an ideal natural laboratory for studies on adaptive evolution. Few genome/transcriptome based studies have been conducted on how plants adapt to the environments of QTP compared to numerous studies on vertebrates. Crucihimalaya himalaica is a close relative of Arabidopsis with typical QTP distribution, and is hoped to be a new model system to study speciation and ecological adaptation in extreme environment. In this study, we de novo generated a transcriptome sequence of C. himalaica, with a total of 49,438 unigenes. Compared to five relatives, 10,487 orthogroups were shared by all six species, and 4,286 orthogroups contain putative single copy gene. Further analysis identified 487 extremely significantly positively selected genes (PSGs) in C. himalaica transcriptome. Theses PSGs were enriched in functions related to specific adaptation traits, such as response to radiation, DNA repair, nitrogen metabolism, and stabilization of membrane. These functions are responsible for the adaptation of C. himalaica to the high radiation, soil depletion and low temperature environments on QTP. Our findings indicate that C. himalaica has evolved complex strategies for adapting to the extreme environments on QTP and provide novel insights into genetic mechanisms of highland adaptation in plants.
    URI
    http://hdl.handle.net/10342/8034
    Date
    2016-02
    Citation:
    APA:
    Qiao, Qin, & Wang, Qia, & Han, Xi, & Guan, Yanlong, & Sun, Hang, & Zhong, Yang, & Huang, Jinling, & Zhang, Ticao. (February 2016). Transcriptome sequencing of Crucihimalaya himalaica (Brassicaceae) reveals how Arabidopsis close relative adapt to the Qinghai-Tibet Plateau. Scientific Reports (Nature Publisher Group), (6:1), p.. Retrieved from http://hdl.handle.net/10342/8034

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Qiao, Qin, and Wang, Qia, and Han, Xi, and Guan, Yanlong, and Sun, Hang, and Zhong, Yang, and Huang, Jinling, and Zhang, Ticao. "Transcriptome sequencing of Crucihimalaya himalaica (Brassicaceae) reveals how Arabidopsis close relative adapt to the Qinghai-Tibet Plateau". Scientific Reports (Nature Publisher Group). 6:1. (.), February 2016. August 17, 2022. http://hdl.handle.net/10342/8034.
    Chicago:
    Qiao, Qin and Wang, Qia and Han, Xi and Guan, Yanlong and Sun, Hang and Zhong, Yang and Huang, Jinling and Zhang, Ticao, "Transcriptome sequencing of Crucihimalaya himalaica (Brassicaceae) reveals how Arabidopsis close relative adapt to the Qinghai-Tibet Plateau," Scientific Reports (Nature Publisher Group) 6, no. 1 (February 2016), http://hdl.handle.net/10342/8034 (accessed August 17, 2022).
    AMA:
    Qiao, Qin, Wang, Qia, Han, Xi, Guan, Yanlong, Sun, Hang, Zhong, Yang, Huang, Jinling, Zhang, Ticao. Transcriptome sequencing of Crucihimalaya himalaica (Brassicaceae) reveals how Arabidopsis close relative adapt to the Qinghai-Tibet Plateau. Scientific Reports (Nature Publisher Group). February 2016; 6(1) . http://hdl.handle.net/10342/8034. Accessed August 17, 2022.
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