Molecular Cytogenetic Identification of Wheat-Aegilops Biuncialis 5M(b) Disomic Addition Line with Tenacious and Black Glumes
文献类型： 外文期刊
第一作者： Song, Liqiang
作者： Song, Liqiang;Zhang, Shuai;Liu, Jiajia;Zhang, Wei;Zhang, Na;Ji, Jun;Li, Junming;Song, Liqiang;Zhang, Na;Ji, Jun;Li, Junming;Zhao, Hui;Zhang, Zhi;Li, Lihui
作者机构：
关键词： common wheat; Aegilops biuncialis; 5M(b); SLAF markers; glume trait
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN：
年卷期： 2020 年 21 卷 11 期
页码：
收录情况： SCI
摘要： Production of wheat-alien disomic addition lines is of great value to the exploitation and utilization of elite genes originated from related species to wheat. In this study, a novel wheat-Aegilops biuncialis 5M(b) disomic addition line WA317 was characterized by in situ hybridization (ISH) and specific-locus amplified fragment sequencing (SLAF-seq) markers. Compared to its parent Chinese Spring (CS), the glumes of WA317 had black color and were difficult to remove after harvesting, suggesting chromosome 5M(b) carried gene(s) related to glume development and Triticeae domestication process. A total of 242 Ae. biuncialis SLAF-based markers (298 amplified patterns) were developed and further divided into four categories by Ae. biuncialis Y17, Ae. umbellulata Y139 and Ae. comosa Y258, including 172 markers amplifying the same bands of U and M genome, six and 102 markers amplifying U-specific and M-specific bands, respectively and eighteen markers amplifying specific bands in Y17. Among them, 45 markers had the specific amplifications in WA317 and were 5M(b) specific markers. Taken together, line WA317 with tenacious and black glumes should serve as the foundation for understanding of the Triticeae domestication process and further exploitation of primitive alleles for wheat improvement. Ae. biuncialis SLAF-based markers can be used for studying syntenic relationships between U and M genomes as well as rapid tracking of U and M chromosomal segments in wheat background.
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