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Genetic Diversity and Phylogenetic Relationships of Annual and Perennial Glycine Species

文献类型： 外文期刊

作者： Hwang, Eun-Young 1 ; Wei, He 2 ; Schroeder, Steven G. 3 ; Fickus, Edward W. 4 ; Quigley, Charles V. 4 ; Elia, Patri 1 ;

作者机构： 1.Univ Maryland, Dept Plant Sci & Landscape Architecture, College Pk, MD 20742 USA

2.Henan Acad Agr Sci, Inst Ind Crops, Zhenzhou 450002, Henan, Peoples R China

3.ARS, USDA, Bovine Funct Genom Lab, Anim & Nat Resources Inst, Beltsville, MD 20705 USA

4.ARS, USDA, Soybean Genom & Improvement Lab, Rm 100,Bldg 006,10300 Baltimore Ave, Beltsville, MD 20705 USA

5.Huazhong Agr Univ, Coll Life Sci & Technol, Wuhan 430070, Hubei, Peoples R China

6.EMBRAPA, EMBRAPA Genet Resources & Biotechnol, BR-02372 Brasilia, DF, Brazil

关键词： soybean; perennial crop relatives; nucleotide diversity; phylogenetic analysis; divergence; trans-specific polymorphism

期刊名称：G3-GENES GENOMES GENETICS （ 影响因子：3.154； 五年影响因子：3.369 ）

ISSN： 2160-1836

年卷期： 2019 年 9 卷 7 期

页码：

收录情况： SCI

摘要： We have estimated the average genetic diversity of two Glycine annual and six perennial species based upon 76 orthologous gene sets and performed phylogenetic analysis, divergence analysis and tests for departure from neutrality of the eight species using 52 orthologous gene sets. In addition, 367 orthologous gene sets were used to estimate the relationships of 11 G. canescens accessions. Among the perennials, G. canescens showed the highest nucleotide diversity. The other perennials, except for G. tomentella, had higher nucleotide diversity than the two annuals. Phylogenetic analysis of the Glycine showed a similar genome grouping with the previous report except for G. cyrtoloba and G. stenophita which formed a sister clade in the study. Divergence analysis supported the phylogenetic relationships that G. falcata was the most divergent from G. max, followed by G. cyrtoloba, G. syndetika, G. tomentella D3, G. stenophita and G. canescens. Most genic sequences were homogeneous in the levels of polymorphism and divergence between G. max and other Glycine species based on the HKA test, thus, Glycine perennials may have experienced a very similar evolution as inferred by trans-specific mutation analysis. The greater genetic diversity of most perennial Glycine species and their origins from the warmer and drier climates of Australia suggests the perennials maybe a potential source of heat and drought resistance that will be of value in the face of climate change.

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