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石莼目几种绿藻的ITS区和5.8SrDNA的序列及系统发育分析

, PP. 162-168

Keywords: 浒苔,格氏礁膜,ITS,序列分析,系统发育

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Abstract:

在海藻的分类系统上,由于海洋的开放环境和人为因素的影响,单凭藻体的形态、结构特征很难得到统一的结论,因此探求一种能够有效补充传统分类方法的新手段具有十分重要的意义[1-2]。随着分子生物学技术的不断发展和完善,为分类学和系统学研究提供了许多新方法。分子生物学技术如RAPD[3-4],RFLP,AFLP,CAPS,SSLPs,SNPs等技术为海洋绿藻的分子系统学的研究提供了可靠的分子标记资料,其中核糖体rDNAITS区(包括ITS1,5.8S和ITS2)序列被广泛用于不同物种的种间,亚种和种群水平上的系统发生的研究[5-12]。

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