Integrative taxonomy of Meriones persicus (Rodentia, Gerbillinae) in Iran

M. Dianat, J. Darvish, M. Aliabadian, H. Haddadian, A. Khajeh, V. Nicolas
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引用次数: 3

Abstract

Five subspecies of the Persian Jird, Meriones persicus, were reported from Iran. These subspecies were described based on morphological characters and coat colors of few specimens. The question of the validity of these subspecies and their geographic distribution is raised. In this study, we combined genetic markers (Cox1, Cytb and IRBP genes), morphometric (external and skull measurments), morphologic (coloration), and karyotypic data to study intraspecific variation in M. persicus in the Iranian Plateau. Three distinct genetic lineages can be recognized in Iran (I, IIA, IIB), and these genetic lineages are separated by natural geographic barriers (Abarkooh, Central and Lut deserts). Our morphometric results also show significant differences between these three lineages, and emphasized morphometric variability within clade IIA, where two subgroups could be recognized. However one of these subgroup was represented by only two individuals in our analyses, and additional morphometric data are needed to confirm this result. Fur coloration vary greatly among Iranian specimens and does not seems to be a reliable taxonomic character. Variation in FNa and morphology of the sex chromosomes was observed between populations, but the determinants of this variation and its significance for taxonomy needs to be investigated. To conclude, this study suggest that three to four subspecies should probably be recognized in Iran, but additional data with more specimens are needed to confirm this result.
文章标题伊朗灰鼠的综合分类(啮齿目,沙鼠科)
在伊朗报道了波斯鸟的5个亚种。根据少数标本的形态特征和被毛颜色对这些亚种进行了描述。提出了这些亚种的有效性及其地理分布的问题。在这项研究中,我们结合遗传标记(Cox1, Cytb和IRBP基因),形态学(外部和颅骨测量),形态学(颜色)和核型数据来研究伊朗高原的桃蚜种内变异。在伊朗可以识别出三个不同的遗传谱系(I, IIA, IIB),这些遗传谱系被自然地理屏障(Abarkooh, Central和Lut沙漠)分开。我们的形态测量结果也显示了这三个谱系之间的显著差异,并强调了进化枝IIA中的形态测量变异性,其中两个亚群可以识别。然而,在我们的分析中,其中一个亚群仅由两个个体代表,并且需要额外的形态测量数据来证实这一结果。伊朗标本的皮毛颜色差异很大,似乎不是一个可靠的分类特征。在种群间观察到性染色体的形态和FNa的差异,但这种差异的决定因素及其在分类学上的意义有待进一步研究。总之,本研究表明,在伊朗可能识别出三到四个亚种,但需要更多标本的额外数据来证实这一结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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