山东省3个野生大豆居群生育期基因遗传多样性分析
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作者单位:

1.吉林农业大学农学院;2.吉林省农业科学院作物资源研究所;3.吉林省农业科学院大豆研究所

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吉林省农业科技创新工程(CXGC2018JC003);吉林省农业科技创新工程(CXGC2017ZY006);吉林省农业科技创新工程人才基金项目(C92070402)


Genetic Diversity Analysis of Wild Soybean Resources from Three Populations of Shandong Province by Using the Functional Markers Targeting the Growth Period-Related Genes
Author:
Affiliation:

1.College of Agriculture, Jilin Agricultural University;2.Crop Germplasm Resources Institute, Jilin Academy of Agricultural Sciences,Jilin Gongzhuling;3.Soybean Research Institute, Jilin Academy of Agricultural Sciences

Fund Project:

Jilin Province Agricultural Science and Technology Innovation Project(CXGC2018JC003);Jilin Province Agricultural Science and Technology Inovation Project(CXGC2017ZY006);Jilin Province Agricultural Science and Technology Innovation Project Talent Fund Project(C92070402)

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    摘要:

    以来自山东省 3 个居群的 137 份野生大豆种质资源为试验材料,利用等位基因特异性 DNA 标记进行生育期 E1-E4 基因型鉴定及遗传多样性分析。结果表明,山东省野生大豆生育期基因 E1-E4 基因中,E1、E4 位点上,只检测出 1 个等位 变异,皆为显性基因型 E1、E4;E2、E3 位点上变异较为丰富,分别以 E2-in、E3-Ha 为主;共发现 5 种基因型组合,其中 E1E2-dlE3-HaE4 基因型为优势组合。三个居群遗传变异不尽相同,临沂居群 E2、E3 位点以 E2-in、E3-Mi 为主,共有 4 种 基因型组合,基因型组合以 E1E2-inE3-MiE4 为主。蓬莱和荣成居群,E2、E3 位点以 E2-dl、E3-Ha 为主,共有 3 种基因型 组合,以 E1E2-dlE3-HaE4 为主。在遗传多样性方面,山东荣成和蓬莱的亲缘关系较近,与临沂亲缘关系较远。遗传多样性 最高的为临沂居群,其次是蓬莱居群,荣成居群。本研究结果可为山东省野生大豆种质资源利用提供理论依据,具有重要的 应用价值。

    Abstract:

    The genetic diversity analysis of 137 wild soybean accessions from three populations of Shandong province were analyzed by allele-special DNA markers. One dominant allele was detected at E1 and E4 loci, respectively, while the haplotypes E2-in and E3-Ha were found to be predominant at E2 and E3 loci, respectively. Out of five genotypic combinations, the genotype carrying E1E2-dlE3-HaE4 was predominant. By further analyzing the diversity among the three populations, four genotypic combinations were detected in Linyi population. The genotypes carrying E1E2-inE3-MiE4 were often detected, while E2-in and E3-Mi were major alleles at E2 and E3 loci, respectively. Three genotypic combinations were observed in both Penglai and Rongcheng populations, while E1E2-dlE3-HaE4 was often detected. The alleles E2-dl and E3-Ha were superiority allele on E2 and E3 loci, respectively. A similarity on genetic diversity was found between Rongcheng and Penglai populations, while both were differing with Linyi population that represented a highest genetic diversity. Taken together, the results gained from this study might provide insights for the utilization of wild soybean germplasm resources in Shandong Province.

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刘月,齐广勋,桑永生,等.山东省3个野生大豆居群生育期基因遗传多样性分析[J].植物遗传资源学报,2020,21(3):560-567.

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  • 收稿日期:2019-09-09
  • 最后修改日期:2020-03-20
  • 录用日期:2019-12-12
  • 在线发布日期: 2020-05-18
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