Identification and Physical Mapping of New PCR-Based Markers Specific for the Long Arm of Rye(Secale cereale L.) Chromosome 6

查看全文 作　　者：Meng [1,2]Li;Zongxiang [1,2]Tang;Ling [1,2]Qiu;Yangyang [1,2]Wang;Shuyao [1,2]Tang;Shulan [1,2]Fu

机构地区：[1]Province Key Laboratory of Plant Breeding and Genetics,Sichuan Agricultural University;[2]Agronomy College,Sichuan Agricultural University

出　　处：《Journal of Genetics and Genomics》索引2016年第43卷第4期,共8页

基　　金：supported by the National Natural Science Foundation of China(No.31470409) 摘　　要：To effectively use elite genes on the long arm of rye chromosome 6(the 6RL arm) in wheat breeding programs,precise and fast identification of 6RL chromatin in wheat backgrounds is necessary.PCR-based 6RL-specific markers can facilitate the detection of elite genes on 6RL in wheat breeding.However,only a limited number of 6RL-specific markers have been developed.In the present study.300 new PCR-based 6RL-specific markers were identified using specific length amplified fragment sequencing(SLAF-seq) technology,and were further physically mapped to four regions on the 6RL arm using 6R and 6RL deletion lines.Interestingly,127 of the 300 markers were physically localized to a region from the site between 2.3 and 2.5 to the telomere,the same region where the powdery mildew resistance gene was mapped.In addition,95 of the 300 markers exhibit polymorphisms,which can be used to investigate the diversity of rye 6RL arms.The markers developed in this study can be used to identify given segments of 6RL in wheat backgrounds and accelerate the utilization of elite genes on 6RL in wheat breeding. 关键词：物理定位 PCR 染色体标记黑麦长臂小麦育种基因定位

相关文献

参考文献（38）
引证文献（3）
耦合文献（0）

参考文献(38)

引证文献(3)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Identification and Physical Mapping of New PCR-Based Markers Specific for the Long Arm of Rye(Secale cereale L.) Chromosome 6

参考文献(38)

引证文献(3)

用户提示