| 基于SSR标记的橡胶树无性系鉴定方法的建立 |
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| 引用本文： | 谢黎黎,黄华孙,安泽伟,程汉,胡彦师,曾霞. 基于SSR标记的橡胶树无性系鉴定方法的建立[J]. 热带作物学报, 2009, 30(9): 1314-1319 |
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| 作者姓名： | 谢黎黎 黄华孙 安泽伟 程汉 胡彦师 曾霞 |
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| 作者单位： | 中国热带农业科学院橡胶研究所,国家橡胶树育种中心,海南儋州,571737;海南大学农学院,海南儋州,571737;中国热带农业科学院橡胶研究所,国家橡胶树育种中心,海南儋州,571737 |
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| 基金项目： | 国家科技支撑计划,国家自然科学基金,中央级公益性科研院所基本科研业务费专项基金项目 |
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| 摘 要： | 从88对橡胶树SSR引物中筛选出5对产物清晰、扩增稳定的引物.采用6%变性聚丙烯酰胺凝胶电泳结合快速银染检测的方法,构建了87份橡胶树的DNA指纹图谱.5对引物共扩增出16条带,平均每对引物可扩增出3.2条带,多态性条带为15条,扩增条带分布在148～342 bp,无性系之间只存在1～2个片段差异,说明遗传差异小;根据建立的无性系数字指纹图谱,能逐一区分65个无性系,表明应用SSR分子标记技术进行橡胶树无性系的鉴定是可行的.
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| 关 键 词： | 橡胶树 SSR 指纹图谱 |
Identification of Hevea brasiliensis Clones Based on SSR Markers |
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| Xie Lili,Huang Huasun,An Zewei,Cheng Han,Hu Yanshi and Zeng Xia. Identification of Hevea brasiliensis Clones Based on SSR Markers[J]. Chinese Journal of Tropical Crops, 2009, 30(9): 1314-1319 |
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| Authors: | Xie Lili Huang Huasun An Zewei Cheng Han Hu Yanshi Zeng Xia |
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| Abstract: | In order to establish an effective method to identify rubber clones, 5 pairs of SSR primers with stable amplification profiles were used, and PCR products were detected by rapid silver-staining procedure in 6% denaturing polyacrylamide gels. A total of 16 bands were amplified, and each pair of primer produced 3.2 bands by average. The amplified fragments ranged from 148 bp to 342 bp, and there were only 1 or 2 different fragments among the clones, indicating that the genetic diversity is narrow. According to the DNA fingerprints, 65 rubber clones could be identified. It is indicated that SSR is valuable for identification of rubber clones. |
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| Keywords: | SSR Hevea brasiliensis SSR fingerprint |
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