Mitochondrial and karyotypic evidence reveals a lack of support for the genus Nasuella (Procyonidae, Carnivora)

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-10-06 DOI:10.25225/JVB.21040

M. Ruiz‐García, M. F. Jaramillo, J. B. López, Y. Rivillas, Aurita Bello, N. Leguizamón, J. Shostell

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引用次数: 1

Abstract

Abstract. Coatis are traditionally divided into two genera (Nasua and Nasuella). Coatis from the lowlands of the Neotropics are larger (Nasua nasua in South America and Nasua narica in Central America) than those from the highlands in the Andean Cordilleras (Nasuella olivacea and maybe Nasuella meridensis). Some authors have claimed that Nasuella should be included in Nasua but strong data have not been provided to support this statement. We reported an extensive mitochondrial (mt) DNA analysis with 205 specimens with complete mitogenomes. Some N. olivacea were intermixed among haplogroups of N. nasua, some haplotypes of N. narica were intermediate between N. nasua and the most recent haplotypes of the Central American N. narica, and N. narica from southern Central America and northern Colombia were introgressed with mtDNA from N. olivacea. Furthermore, the spatial genetic structure of N. nasua, N. narica, and N. olivacea were practically identical. Additionally, we also show, for first the time, the karyotype of N. olivacea. The chromosome morphology of N. olivacea was un-differentiable from that of N. nasua. These data fail to support the independence of these two genera.

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线粒体和核型证据显示缺乏对Nasuella属的支持

摘要浣熊传统上分为两属(纳苏亚和纳苏亚)。来自新热带低地的浣熊(南美洲的Nasua Nasua和中美洲的Nasua narica)比来自安第斯科迪勒拉山脉高地的浣熊(Nasuella olivacea和meridensis)要大。一些作者声称Nasuella应该包含在Nasua中，但没有提供强有力的数据来支持这一说法。我们报道了一个广泛的线粒体(mt) DNA分析与205个标本完整的有丝分裂基因组。部分美洲黑桫椤单倍型与美洲黑桫椤单倍型杂交，部分美洲黑桫椤单倍型介于美洲黑桫椤与中美洲黑桫椤最新单倍型之间，来自中美洲南部和哥伦比亚北部的美洲黑桫椤与美洲黑桫椤的mtDNA发生了基因渗进。此外，三种植物的空间遗传结构基本相同。此外，我们还首次展示了橄榄木的核型。橄榄树的染色体形态与纳苏亚的染色体形态不可区分。这些数据不能支持这两个属的独立性。

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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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.