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首页> 外文期刊>Biochemical Genetics >Relationships and hybridization among Smilax china and its affinities: evidence from allozyme data.
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Relationships and hybridization among Smilax china and its affinities: evidence from allozyme data.

机译：中华ax及其亲缘关系和杂交：来自同工酶数据的证据。

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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.是在中国具有不同倍性水平的广泛物种。它在形态上类似于S. davidiana，S。trinervula和S. glauco-china。在这项研究中，调查了中国11个种群和3个亲缘种的8个具有25个等位基因的酶系统的染色体数目和同工酶模式的变化。同工酶数据，连同形态学和细胞学数据，表明青霉菌-中国与其他调查的生物分类没有密切关系。二倍体种S. davidiana和S. trinervula是祖先种，与中国有很强的互渗性。在南中国，来自桂林和贵阳的人口是同种四倍体。它们的二倍体祖细胞可能是中国沙门氏菌和三角假单胞菌的二倍体种群。结果表明该物种起源于多个起源。

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