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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Genetic diversity analysis in traditional lowland rice (Oryza sativa L.) of Assam using RAPD and ISSR markers
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Genetic diversity analysis in traditional lowland rice (Oryza sativa L.) of Assam using RAPD and ISSR markers

机译:利用RAPD和ISSR标记分析阿萨姆邦传统低地稻(Oryza sativa L.)的遗传多样性。

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Genetic variability among 24 rice genotypes from Assam was assessed employing random amplified polymorphic DNA (RAPD) and inter-simple sequence repeat polymerase chain reaction (ISSR-PCR) using ten primers in each case. A total of 81 RAPD and 201 ISSR markers were generated with 92.5 and 98% polymorphism respectively. The average polymorphism information content (PIC) for RAPD was 0.741 and for ISSR markers it was 0.888. The Jaccard's similarity coefficient based on RAPD and ISSR analysis was 0.480 and 0.257 respectively. Cluster analysis and cophenetic correlation value based on the ISSR data discretely separated the accessions, according to farmer's classification. This communication reports genetic variability in rice from Assam using two molecular markers.
机译:使用随机扩增多态性DNA(RAPD)和简单序列间重复聚合酶链反应(ISSR-PCR)使用十种引物评估来自阿萨姆邦的24种水稻基因型的遗传变异性。总共产生了81个RAPD和201个ISSR标记,分别具有92.5和98%的多态性。 RAPD的平均多态信息含量(PIC)为0.741,ISSR标记的平均多态信息含量为0.888。基于RAPD和ISSR分析的Jaccard相似系数分别为0.480和0.257。根据农民的分类,基于ISSR数据的聚类分析和同感相关值将种质分离。该通报报道了使用两种分子标记的阿萨姆邦水稻的遗传变异性。

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