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茶叶科学 ›› 2014, Vol. 34 ›› Issue (6): 617-624.doi: 10.13305/j.cnki.jts.2014.06.024

• • 上一篇    

SSR、SRAP、ISSR分子标记在茶树品种亲本鉴定上的比较分析

刘振, 赵洋, 杨培迪, 成杨, 宁静, 杨阳*   

  1. 湖南省茶叶研究所,湖南 长沙 410125
  • 收稿日期:2014-08-12 修回日期:2014-10-22 出版日期:2014-12-20 发布日期:2019-09-03
  • 通讯作者: *yangyangsir@126.com
  • 作者简介:刘振(1981— ),男,陕西丹凤人,硕士,助理研究员,主要从事茶树种质资源与遗传育种研究。
  • 基金资助:
    项目基金:现代农业产业技术体系建设专项(CARS-23)、湖南省农业科技成果转化资金项目(2013NK4012)

Comparison of Parents Identification for Tea Variety Based on SSR, SRAP and ISSR Markers

LIU Zhen, ZHAO Yang, YANG Peidi, CHENG Yang, NING Jing, YANG Yang*   

  1. Hunan Tea Research Institute, Changsha 410125, China
  • Received:2014-08-12 Revised:2014-10-22 Online:2014-12-20 Published:2019-09-03

摘要: 为鉴定湘波绿2号的父本,同时为茶树亲本鉴定和亲缘关系分析等研究提供分子标记参考,本研究采用SSR、SRAP、ISSR 3种分子标记体系,在对湘波绿2号与其母本和5个可能父本进行亲缘关系分析基础上,比较了这3种分子标记体系的多态性条带比率(PPB)、多态性信息含量(PIC)、多样性指数(DI)、引物解析强度(Rp)、分子标记指数(MI)等指标。29对SSR引物共检测到等位位点83个,平均每对引物2.86个,引物PPB、PIC、DI、Rp、MI平均值分别为77.01%、0.55、0.29、1.31、0.95。17对SRAP引物共检测到等位位点139个,平均每对引物8.18个,引物PPB、PIC、DI、Rp、MI平均值分别为71.70%、0.84、0.15、3.65、3.59。10个ISSR引物共检测到等位位点90个,平均每个引物9.00个,引物PPB、PIC、DI、Rp、MI平均值分别为69.76%、0.85、0.15、4.21、4.71。3种标记体系的MI、Rp、PIC趋势一致,ISSR最高,依次为SRAP和SSR,而PPB和DI正好相反。以上结果表明,ISSR和SRAP标记具有较高的标记效率,而SSR标记具有丰富的多态性。不同分子标记体系获得的品种间相似系数有所不同,但湘波绿2号与湘波绿和福鼎大白茶聚为一类,说明湘波绿2号与其关系较近,湘波绿可能为湘波绿2号的父本。

关键词: 茶树, 亲本鉴定, SSR标记, SRAP标记, ISSR标记

Abstract: To identify male parent of Xiangbolv 2 and to provide a reference for the choice of DNA marker in the study of relationship analysis, SSR, SRAP and ISSR were used to identify the male parent of Xiangbolv 2 among 5 possible tea varieties. Percentage of polymorphic bands (PPB), polymorphic information content (PIC), diversity index (DI), resolving power (Rp), marker index (MI) and other indicators were used to compare the marker efficiencies of SSR, SRAP and ISSR. Totally 83 (2.86 per primer) alleles were identified by 29 pairs of SSR primers. The average PPB, PIC, DI, Rp, MI were 77.01%, 0.55, 0.29, 1.31, 0.95 respectively. Meanwhile, 139 (8.18 per primer) alleles were amplified by 17 pairs of SRAP, with the average PPB, PIC, DI, Rp, MI of 71.70%, 0.84, 0.15, 3.65, 3.59 respectively. 90 (9.00 per primer) alleles were detected by 10 ISSR primer, with the average PPB, PIC, DI, Rp, MI of 69.76%, 0.85, 0.15, 4.21, 4.71 respectively. MI, Rp and PIC showed the same trend among SSR, SRAP and ISSR, with the highest value of ISSR, followed by SRAP and SSR, the PPB and DI showed the opposite trend. These results indicated that ISSR and SRAP markers had high marker efficiency, and SSR markers had extensive polymorphism. Similarity coefficients among 7 accessions were different by different 3 DNA markers, but Xiangbolv 2, Xiangbolv and Fuding Dabaicha were gathered together irrespective of DNA markers, indicating that Xiangbolv might be the male parent of Xiangbolv 2.

Key words: tea variety, parents identification, SSR, SRAP, ISSR

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