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首页> 外文期刊>Systematic Botany >Molecular Phylogenetic Relationships and Morphological Evolution within the Tribe Phyllodoceae (Ericoideae, Ericaceae)
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Molecular Phylogenetic Relationships and Morphological Evolution within the Tribe Phyllodoceae (Ericoideae, Ericaceae)

机译:部落植毛科(Ericoideae,Ericaceae)内的分子系统发生关系和形态演变

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摘要

The tribe Phyllodoceae is comprised of seven genera (Bejaria, Elliottia, Epigaea, Kalmia, Kalmiopsis, Phyllodoce, and Rhodothamnus). A clade within this tribe, comprised of all genera except Bejaria, was the subject of a phylogenetic study using six molecular markers. The goal of the study was to reconstruct a species-level phylogeny for the purpose of examining the evolution of morphological characters and to provide a framework for future studies in historical biogeography. Twenty-nine of 31 Phyllodoceae species were included in the molecular dataset of sequences from four plastid and two nuclear regions, and the remaining two species were included in a small morphological analysis. Most nodes were strongly supported using combined molecular data and four analytical approaches. Potential morphological synapomorphies were identified for some clades within the group. Evolutionary patterns in some morphological characters are apparent, which provide a basis for future anatomical and developmental studies.
机译:毛竹科由七个属组成(贝哈里亚,埃利奥蒂亚(Elliottia),Epigaea,卡尔米亚(Kalmia),卡尔米奥皮斯(Kalmiopsis),毛竹(Phyllodoce)和红景天(Rhodothamnus)。该部落内的一个进化枝是除贝贾里亚以外的所有属,是使用六个分子标记进行系统发育研究的对象。该研究的目的是重建物种水平的系统发育,以检查形态特征的演变,并为历史生物地理学的未来研究提供框架。在来自四个质体和两个核区域的序列的分子数据集中包括了31个丝藻科物种中的29个,而其余的两个物种则被包含在一个小的形态分析中。结合分子数据和四种分析方法,大多数节点得到了大力支持。确定了该组中某些进化枝的潜在形态突触。一些形态特征的进化模式是显而易见的,这为将来的解剖学和发育研究提供了基础。

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