文献类型: 外文期刊
第一作者: Wu, Jian
作者: Wu, Jian;Zhang, Hui;Fang, Zhi-yuan;Wang, Xiao-wu;Zhang, Xin-mei;Guo, Ai-guang;Ma, Yuan
作者机构:
关键词: Sequence-related amplified polymorphism;DNA markers;linkage map;Chinese kale
期刊名称:AFRICAN JOURNAL OF BIOTECHNOLOGY ( 影响因子:0.573; 五年影响因子:0.794 )
ISSN: 1684-5315
年卷期: 2010 年 9 卷 29 期
页码:
收录情况: SCI
摘要: A dominant male sterility (DGMS) line 79-399-3 was developed from spontaneous mutation in Brassica oleracea var. capitata and has been widely used in the production of hybrid cultivar in China. In this line, male sterility is controlled by a dominant gene Ms-cd1. In the present study, primary mapping of Ms-cd1 was conducted by screening a segregating population developed by four times backcrossing of B. oleracea var. alboglabra into a male sterile B. oleracea var. italica line harboring Ms-cd1. Bulked segregation analysis (BSA) was performed for 226 BC(4) individuals using SRAPs regarding of male sterility and fertility. Using 800 SRAP primers and 2,340 SRAP combined random primers, a primary map surrounding Ms-cd1 was constructed. Eight markers closely linked to the target gene were identified, among which the closest one on each side to Ms-cd1 was 0.53 and 5.04 cM, respectively. Markers linked closely to the Ms-cd1 gene will enrich resources of molecular marker of Ms-cd1 locus; also serve to lay the foundations for molecular-assisted selection in breeding program, as well as fine mapping and map-based cloning of Ms-cd1 gene.
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