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RETRACTED: An assessment of transgenomics as a tool for gene discovery in Populus euphratica Oliv. (Retracted article. See vol. 98, pg. 579, 2018)

文献类型： 外文期刊

作者： Zhou, Jing 1 ; Liu, Xin 1 ; Zhao, Shu-Tang 1 ; Hu, Jian-Jun 1 ; Zhang, Jie-Wei 2 ; Wang, Jie-Hua 3 ; Peng, Xiao-Peng 1 ;

作者机构： 1.Chinese Acad Forestry, Res Inst Forestry, State Key Lab Tree Genet & Breeding, Beijing 100091, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China

3.Tianjin Univ, Sch Environm Sci

关键词： Transgenomics; Populus euphratica; Salt tolerance; Functional genomics; Arabidopsis thaliana

期刊名称：PLANT MOLECULAR BIOLOGY （ 影响因子：4.076； 五年影响因子：4.89 ）

ISSN： 0167-4412

年卷期： 2018 年 97 卷 6 期

页码：

收录情况： SCI

摘要： Transgenomics for gene discovery in Populus euphratica. Transgenomics, a member of the omics family of methodologies, is characterized as the introduction of DNA from one organism into another on a genome-wide scale followed by the identification of recipients with altered phenotypes. This strategy allows investigators to identify the gene(s) involved in these phenotypic changes. It is particularly promising for woody plants that have a long life cycle and for which molecular tools are limited. In this study, we constructed a large-insert binary bacterial artificial chromosome library of Populus euphratica, a stress-tolerant poplar species, which included 55,296 clones with average insert sizes of about 127 kb. To date, 1077 of the clones have been transformed into Arabidopsis thaliana via Agrobacterium by the floral dip method. Of these, 69 transgenic lines showed phenotypic changes represented by diverse aspects of plant form and development, 22 of which were reproducibly associated with the same phenotypic change. One of the clones conferring transgenic plants with increased salt tolerance, 002A1F06, was further analyzed and the 127,284 bp insert in this clone harbored eight genes that have been previously reported to be involved in stress resistance. This study demonstrates that transgenomics is useful in the study of functional genomics of woody plants and in the identification of novel gene(s) responsible for economically important traits. Thus, transgenomics can also be used for validation of quantitative trait loci mapped by molecular markers.

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