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Characterization and identification of Spanish olive germplasm by means of RAPD markers

机译:利用RAPD标记对西班牙橄榄种质进行鉴定和鉴定

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Thirteen randomly amplified polymorphic DNA (RAPD) primers were assayed in 82 Spanish olive cultivars of economical interest. A total of 82 bands were scored giving an average of 6.3 bands per primer. A total of 4 (OPA-01) to 10 bands (OPA-19) was amplified, while the number of polymorphic fragments ranged from 2 (OPK-07) to 9 (OPA-19) with a mean of 5.7 polymorphic bands per primer. A total of 89% of the amplification products (73 bands) were polymorphic. The 13 primers yielded 184 banding patterns (14.9 per primer). The number of banding patterns per primer ranged from 4 (OPK-07) to 39 (OPA-19). Fifty-three unique banding patterns were found, the majority of them resulted from different combinations of polymorphic bands. The combination of only five primers OPA-19, OPF-06, OPX-01, OPX-03, and OPI-12, allowed identification of all the cultivars. Seventy-four cultivars (90%) were identified only by the combination of the first four primers. The addition of the fifth primer (OPI-12) was necessary for the identification of the eight remaining cultivars (10%). The ordination of the primers according to their practical discriminating capacity in this study was: OPA-19 > OPF-06 > OPX-01 > OPX-03 > OPI-12. Hence RAPD markers are recommended for olive fingerprinting in order to generate a database for olive cultivar identification.
机译:在82个具有经济价值的西班牙橄榄品种中分析了13个随机扩增的多态性DNA(RAPD)引物。总共打了82条带,每个引物平均得到6.3条带。总共扩增了4条(OPA-01)至10条带(OPA-19),而多态片段的数量范围为2(OPK-07)至9条(OPA-19),每个引物平均有5.7条多态性条带。共有89%的扩增产物(73条带)是多态的。 13个引物产生184个条带分布图(每个引物14.9个)。每个引物的条带模式数范围为4(OPK-07)至39(OPA-19)。发现了53种独特的条带模式,其中大多数是由多态条带的不同组合引起的。仅五个引物OPA-19,OPF-06,OPX-01,OPX-03和OPI-12的组合就可以鉴定所有品种。仅通过前四个引物的组合鉴定了74个品种(90%)。为了鉴定剩余的八个品种(10%),需要添加第五个引物(OPI-12)。根据其在本研究中的实际区分能力,对引物进行排序是:OPA-19> OPF-06> OPX-01> OPX-03> OPI-12。因此,建议使用RAPD标记进行橄榄指纹鉴定,以生成用于橄榄品种鉴定的数据库。

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