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首页> 外文期刊>Acta Horticulturae >Evolutionary Relationships in Tribe Lyeieae (Solanaceae)
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Evolutionary Relationships in Tribe Lyeieae (Solanaceae)

机译:茄科(茄科)的进化关系

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摘要

We examine evolutionary relationships among the three genera in tribe Lyeieae using DNA sequence data from the nuclear granule-bound starch synthase gene (GBSSI, waxy). Tribe Lyeieae is comprised of the large cosmopolitan genus Lycium and the predominately South American genera Grabowskia and Phrodm. Phylogenetic results strongly suggest that Lycium contains Grabowskia and may also include Phrodus. Further, we examine relationships among several clades of American Lycium and within the monophyletic Old World lineage. This study has the largest taxon sampling to date for tribe Lyeieae, with 85% of the named species. Increased sampling within eastern Asia and South America, with the world's highest species-richness of Lycium, as well as the addition of more rapidly evolving genetic markers, are the areas on which to focus future work.
机译:我们使用来自核颗粒结合淀粉合酶基因(GBSSI,蜡质)的DNA序列数据检查部落Lyeieae的三个属之间的进化关系。黎族部落由大型世界性的枸杞属和主要是南美属Grabowskia和Phrodm组成。系统发育学结果强烈表明枸杞中含有Grabowskia,也可能含有Phrodus。此外,我们研究了美洲枸杞几个进化枝之间以及单系的旧世界血统中的关系。这项研究是迄今最大的分类科(Lyeieae)分类群抽样,其中有85%的命名物种。东亚和南美地区枸杞的物种丰富度最高,并且增加了进化速度更快的遗传标记,这是今后工作的重点领域。

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