An extended random primer amplified region (ERPAR) marker linked to a dominant male sterility gene in cabbage (Brassica oleracea var. capitata)
文献类型: 外文期刊
第一作者: Wang, XW
作者: Wang, XW;Fang, ZY;Huang, SW;Sun, PT;Liu, YM;Yang, LM;Zhuang, M;Qu, DY
作者机构:
关键词: cabbage (Brassica oleracea var. capitata);ERPAR;RAPD;male sterility gene;molecular marker
期刊名称:EUPHYTICA ( 影响因子:1.895; 五年影响因子:2.181 )
ISSN: 0014-2336
年卷期: 2000 年 112 卷 3 期
页码:
收录情况: SCI
摘要: Similar to SCAR, an extended random primer amplified region (ERPAR) marker is a PCR amplified genomic DNA fragment at a single genetically defined locus. However, ERPAR uses specific primer pairs derived from RAPD primers by adding bases sequentially to their 3'-ends. As an example, an ERPAR marker was derived from a RAPD marker (OT11(900)) linked to a dominant male sterility gene in cabbage ( Brassica oleracea var. capitata). After two cycles of base adding and primer pair screening, a primer pair (5'-TTCCCCGCGACT-3' and 5'-TTCCCCGCGAGA-3') amplified a single intense band with the same size as OT11(900). The identity of the new marker and OT11(900) was verified by segregation analysis. The new marker amplified by this extended primer pair was named as EPT11(900). The development of ERPAR exploits the importance of 3'-end bases of primers in PCR ERPAR shares advantages of SCAR, but eliminates the need for cloning and sequencing. It is a fast and universal way of converting RAPD markers into stable markers.
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