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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >The interphotoreceptor retinoid binding protein gene in therian mammals: Implications for higher level relationships and evidence for loss of function in the marsupial mole
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The interphotoreceptor retinoid binding protein gene in therian mammals: Implications for higher level relationships and evidence for loss of function in the marsupial mole

机译:哺乳动物中感光细胞间的类视黄醇结合蛋白基因:对有级关系的暗示和有袋痣的功能丧失的证据

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摘要

The subclass Theria of Mammalia includes marsupials (infraclass Metatheria) and placentals (infraclass Eutheria). Within each group, interordinal relationships remain unclear. One limitation of many studies is incomplete ordinal representation. Here, we analyze DNA sequences for part of exon 1 of the interphotoreceptor retinoid binding protein gene, in- cluding 10 that are newly reported, for representatives of all therian orders. Among placentals, the most robust clades are Cetartiodactyla, Paenungulata, and an expanded African clade that includes paenungulates, tubulidentates, and macroscelide- ans. Anagalida, Archonta, Altungulata, Hyracoidea + Perisso- dactyla, Ungulata, and the "flying primate" hypothesis are rejected by statistical tests.
机译:哺乳动物的Theria子类别包括有袋动物(下属Metatheria)和胎盘(下属Eutheria)。在每个组中,内部关系仍然不清楚。许多研究的局限性是序数表示形式不完整。在这里,我们分析了感光受体间类视黄醇结合蛋白基因第1外显子的DNA序列,其中包括10个新报道的,代表所有泰安阶。在胎盘中,最健壮的进化枝为Cetartiodactyla,Paenungulata,以及扩展的非洲进化枝,其中包括棘齿虫,肾小管和大孢子虫。 Anagalida,Archonta,Altungulata,Hyracoidea + Perissodactyla,Ungulata和“飞行的灵长类”假设被统计检验所拒绝。

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