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A new method based on SNP of nrDNA-ITS to identify Saccharum spontaneum and its progeny in the genus Saccharum

文献类型： 外文期刊

作者： Yang, Shan 1 ; Li, Xueting 1 ; Huang, Fei 1 ; Huang, Yongji 1 ; Liu, Xinlong 2 ; Wu, Jiayun 3 ; Wang, Qinnan 3 ; Deng, Zu 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Natl Engn Res Ctr Sugarcane, Fuzhou, Fujian, Peoples R China

2.Yunnan Acad Agr Sci, Sugarcane Res Inst, Yunnan Key Lab Sugarcane Genet Improvement, Kaiyuan, Peoples R China

3.Guangzhou Sugarcane Ind Res Inst, Guangdong Prov Bioengn Inst, Guangzhou, Guangdong, Peoples R China

4.Guangxi Univ, Guangxi Collaborat Innovat Ctr Sugar Ind, Nanning, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2018 年 13 卷 5 期

页码：

收录情况： SCI

摘要： The identification of germplasm resources is an important aspect of sugarcane breeding. The aim of this study was to introduce a new method for identifying Saccharum spontaneum and its progeny. First, we cloned and sequenced nuclear ribosomal DNA internal transcribed spacer (nrDNA-ITS) sequences from 20 Saccharum germplasms. Analysis of these nrDNA-ITS sequences showed a stable mutation at base 89. Primers (FO13, RO13, FI16, and RI16) were then designed for tetra-primer amplification refractory mutation system (ARMS) PCR based on mutations at base 89 of the nrDNA-ITS sequence. An additional 71 Saccharum germplasms were identified using this tetra-primer ARMS PCR method, which confirmed that the method using the described primers successfully identified Saccharum spontaneum and progeny. These results may help improve the efficiency of modern molecular breeding of sugarcane and lay a foundation for identification of sugarcane germplasms and the relationships among them.

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