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首页> 外文期刊>Biological Journal of the Linnean Society >Phylogeny of Acomys spinosissimus (Rodentia, Muridae) from north Malawiand Tanzania: evidence from morphological and molecular analysis
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Phylogeny of Acomys spinosissimus (Rodentia, Muridae) from north Malawiand Tanzania: evidence from morphological and molecular analysis

机译：来自坦桑尼亚北部马拉维安的刺突棘（Rodentia，Muridae）的系统发育：形态和分子分析的证据

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摘要

New specimens of Acomys spinosissimus from northern Malawi and southern Tanzania were subjected to morphological, molecular (cytochrome b mitochondrial gene) and cytogenetical analysis in order to establish the phylogenetic position of these populations among A. spinosissimus, as well as their relationships with other species (A. subspinosus and A. wilsoni). The monophyly of the spinosissimus clade is supported by morphological and molecular phylogenies. Cytogenetics and morphology, but not the cytochrome b phylogeny show the possible existence of two sibling species within spinosissimus. Incongruences are noted between molecular and morphological trees, especially concerning the position of the Transvaal specimens. Two different biogeographic scenarios for the origin and dispersal of A. spinosissimus are discussed in the light of available palaeontological data.
机译：对来自马拉维北部和坦桑尼亚南部的Acomys spinosissimus的新标本进行形态学，分子（细胞色素b线粒体基因）和细胞遗传学分析，以便确定这些种群在A. spinosissimus中的系统发生位置以及它们与其他物种的关系（ A. subspinosus和A. wilsoni）。棘突类进化枝的单性由形态和分子系统发育支持。细胞遗传学和形态学，但不是细胞色素b的系统发育学，表明在Spinosissimus中可能存在两个同胞物种。注意到分子和形态树之间的不一致，特别是关于经阴道标本的位置。根据现有的古生物学数据，讨论了棘孢曲霉起源和传播的两种不同的生物地理情况。

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