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Relationships and hybridization among Smilax china and its affinities: evidence from allozyme data.

机译:Smilax中国的关系与杂交及其亲症状:来自酶数据的证据。

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摘要

Smilax china L. is a widespread species in China with different ploidy levels. It is morphologically similar to S. davidiana, S. trinervula, and S. glauco-china. In this study, the chromosome number and the variation in allozyme patterns of eight enzyme systems with 25 alleles in 11 populations of S. china and three affinitive species were investigated. The allozyme data, together with morphological and cytological data, suggest that S. glauco-china is not closely related to the other taxa investigated. The diploid species S. davidiana and S. trinervula are involved as ancestor species and share great introgressions with S. china. In S. china, populations from Guilin and Guiyang are allotetraploid; their diploid progenitors probably are diploid populations of S. china and S. trinervula. The results suggest this species arose from multiple origins.
机译:Smilax China L.是中国的广泛种类,具有不同的倍性水平。 它是与S. Davidiana,S. Trinervula和S.Glauco-China的形态学相似。 在该研究中,研究了染色体数量和八种酶系统的含有25个等位基因的含有25个等位基因的含有25个等位基因的变化。 酶数据与形态学和细胞学数据一起表明,S.Glauco-China与调查的其他征草不相关。 二倍体物种S. Davidiana和S. Trinervula作为祖先物种,并与中国分享了巨大的血统。 在中国,桂林和贵阳的人口是同种异体的一倍; 他们的二倍体祖细胞可能是S.中国和Trinervula的二倍体群体。 结果表明该物种从多次起源产生。

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  • 来源
    《Biochemical Genetics》 |2008年第6期|共12页
  • 作者

    Wang A; Chen Y; Chen G; Lee J; Fu C;

  • 作者单位

    Laboratory of Systematic and Evolutionary Botany and Biodiversity College of Life Sciences Zhejiang University Hangzhou 310058 P.R. China.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 遗传学;
  • 关键词

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