| 大豆回交群体耐旱耐盐的选择牵连效应及响应分析 |
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| 引用本文： | 邱鹏程,张闻博,刘春燕 蒋洪蔚李灿东范冬梅 曾庆力 蒋黎茜胡国华,陈庆山. 大豆回交群体耐旱耐盐的选择牵连效应及响应分析[J]. 中国油料作物学报, 2011, 33(5): 444-450 |
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| 作者姓名： | 邱鹏程 张闻博 刘春燕 蒋洪蔚李灿东范冬梅 曾庆力 蒋黎茜胡国华 陈庆山 |
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| 作者单位： | 1东北农业大学农学院，黑龙江哈尔滨150030；2黑龙江省农垦科研育种中心，黑龙江哈尔滨150090；3国家大豆工程技术研究中心，黑龙江哈尔滨150050；4黑龙江省农业科学院佳木斯分院，黑龙江佳木斯154007
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| 基金项目： | 国家转基因专项(2009ZX08009-013B); 国家“948”项目(2006-G1A) |
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| 摘 要： | 本研究利用回交群体和多位点扫描分析方法研究了逆境胁迫下的选择牵连效应，找到相应的基因组区段，并分析了这些区段对不同选择条件的响应。结果如下：随机群体标记偏分离率为34.38%（P＜0.0001），相比，经耐旱、耐盐选择后标记偏分离率分别扩大到51.56%和55.88%。说明经过耐旱、耐盐选择后回交导入系群体等位基因偏分离更为严重，群体基因型结构发生变化，明确显示了选择牵连效应的存在。基于牵连效应的选择响应，根据供体等位基因导入频率在耐旱、耐盐选择群体与随机群体中的表现，经卡方分析在0.0001水平下检测到3个耐旱相关位点（Satt338、Satt640和S at_108），5个耐盐相关位点（Sat_271、Satt726、Satt640、Satt513和Sat_108）。本研究为选择牵连效应分析方法的有效应用和大豆分子设计育种奠定了基础。
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| 关 键 词： | 大豆 回交群体 选择牵连效应 响应分析 |
Hitchhiking effect and responses analysis about drought tolerance and salt tolerance of the backcrossing introgression lines in soybean |
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| QIU Peng-cheng,,ZHANG Wen-bo,LIU Chun-yan,JIANG Hong-wei,LI Can-dong,FAN Dong-mei,ZENG Qing-li,JIANG Li-qian,HU Guo-hua,,CHEN Qing-shan(.College of Agriculture,Northeast Agricultural University,Harbin ,China,.L, Reclamation Research , Breeding Centre of Heilongjiang,Harbin ,.National Research Center of Soybean Engineering , Technology,Harbin ,.Heilongjiang Academy of Agricultural Sciences Jiamusi Branch,Jiamusi. Hitchhiking effect and responses analysis about drought tolerance and salt tolerance of the backcrossing introgression lines in soybean[J]. Chinese Journal of Oil Crop Sciences, 2011, 33(5): 444-450 |
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| Authors: | QIU Peng-cheng ZHANG Wen-bo LIU Chun-yan JIANG Hong-wei LI Can-dong FAN Dong-mei ZENG Qing-li JIANG Li-qian HU Guo-hua CHEN Qing-shan(.College of Agriculture Northeast Agricultural University Harbin China .L Reclamation Research & Breeding Centre of Heilongjiang Harbin .National Research Center of Soybean Engineering Technology Harbin .Heilongjiang Academy of Agricultural Sciences Jiamusi Branch Jiamusi |
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| Affiliation: | QIU Peng-cheng1,2,ZHANG Wen-bo1,LIU Chun-yan2,JIANG Hong-wei2,LI Can-dong4,FAN Dong-mei1,ZENG Qing-li1,JIANG Li-qian1,HU Guo-hua1,3,CHEN Qing-shan1(1.College of Agriculture,Northeast Agricultural University,Harbin 150030,China,2.Land Reclamation Research & Breeding Centre of Heilongjiang,Harbin 150090,3.National Research Center of Soybean Engineering and Technology,Harbin 150050,4.Heilongjiang Academy of Agricultural Sciences Jiamusi Branch,Jiamusi 150030 |
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| Abstract: | In this study,the hitchhiking effects in a backcross population with strong selection under salty and drought conditions were analyzed by scanning multiple molecular loci,and 34.38% of the loci were found with segregation distortion in random population.After drought and salt tolerance selection,the segregation distortion ratio increased to 51.56% and 55.88%.SSR alleles showed a serious distortion and genotype structure in backcross introgression lines changed considerably after drought or salt tolerance se... |
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| Keywords: | Soybean Backcross introgression lines Hitchhiking effect Responses analysis |
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