Author ORCID Identifier
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https://orcid.org/0000-0001-6922-2144
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https://orcid.org/0000-0002-4069-9501
https://orcid.org/0000-0002-0790-4462
https://orcid.org/0000-0001-6059-6529
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https://orcid.org/0000-0003-2818-3032
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https://orcid.org/0000-0001-6912-6718
https://orcid.org/0000-0002-1333-4902
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https://orcid.org/0009-0004-0412-3435
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https://orcid.org/0000-0002-0858-3410
https://orcid.org/0000-0002-4146-5969
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Document Type
Article
Publication Date
2013
College/Unit
Eberly College of Arts and Sciences
Department/Program/Center
Biology
Abstract
Despite the high economic and ecological importance of forests, our knowledge of the genomic evolution of trees under salt stress remains very limited. Here we report the genome sequence of the desert poplar, Populus euphratica, which exhibits high tolerance to salt stress. Its genome is very similar and collinear to that of the closely related mesophytic congener, P. trichocarpa. However, we find that several gene families likely to be involved in tolerance to salt stress contain significantly more gene copies within the P. euphratica lineage. Furthermore, genes showing evidence of positive selection are significantly enriched in functional categories related to salt stress. Some of these genes, and others within the same categories, are significantly upregulated under salt stress relative to their expression in another salt-sensitive poplar. Our results provide an important background for understanding tree adaptation to salt stress and facilitating the genetic improvement of cultivated poplars for saline soils.
Digital Commons Citation
Ma, Tao; Wang, Junyi; Zhou, Gongke; Yue, Zhen; Hu, Quanjun; Chen, Yan; Liu, Bingbing; Qiu, Qiang; Wang, Zhuo; Zhang, Jian; Wang, Kun; Jiang, Dechun; Gou, Caiyun; Yu, Lili; Zhan, Dongliang; Zhou, Ran; Luo, Wenchun; Ma, Hui; Yang, Yongzhi; Pan, Shengkai; Fang, Dongming; Luo, Yandan; Wang, Xia; Wang, Gaini; Wang, Juan; Wang, Qian; Lu, Xu; Chen, Zhe; Liu, Jinchao; Lu, Yao; Yin, Ye; Yang, Huanming; Abbott, Richard J.; Wu, Yuxia; Wan, Dongshi; Li, Jia; Yin, Tongming; Lascoux, Martin; Difazio, Stephen P.; Tuskan, Gerald A.; Wang, Jun; and Liu, Jianquan, "Genomic insights into salt adaptation in a desert poplar" (2013). Faculty & Staff Scholarship. 2561.
https://researchrepository.wvu.edu/faculty_publications/2561
Source Citation
Ma, T., Wang, J., Zhou, G. et al. Genomic insights into salt adaptation in a desert poplar. Nat Commun 4, 2797 (2013). https://doi.org/10.1038/ncomms3797
Comments
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