美国东部Fontigens（Truncatelloide:Emmeriidae）分离种群线粒体DNA序列的高度差异

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2021-08-19 DOI:10.1093/mollus/eyab026

Hsiu-Ping Liu, Lori Schroeder, A. Berry, R. Dillon

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引用次数: 2

摘要

这种微小的腹足动物栖息在分散在美国东部和中西部的孤立的泉水、洞穴和地下水中。目前已确认的有9个物种，其中第10个物种——隐式丰蝇(Fontigens cryptica)的地位尚不确定。在此，我们调查了9种植物中6种(13个居群，87个个体)细胞色素c氧化酶I亚基的居群内、居群间和种间序列差异，结果表明，同种居群间序列差异高达14.4%。种间分化范围为8.7% ~ 21.9%。我们还在我们的分析中包括最近从肯塔基州采样的一个假定的隐孢子虫个体，以评估它所代表的种群是否可能具有遗传上的独特性。在更大的系统发育背景下，该个体与其最近的邻居，华盛顿特区采样的F. bottimeri之间显示出14.4%的序列差异，支持F. cryptica的特定地位。

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High levels of mitochondrial DNA sequence divergence among isolated populations of Fontigens (Truncatelloidea: Emmericiidae) in eastern USA

Populations of the minute emmericiid gastropod Fontigens inhabit isolated springs, caves and groundwaters widely scattered across eastern and midwestern USA. Nine species are currently recognized, with a tenth species, Fontigens cryptica, of uncertain status. Here, we survey intrapopulation, interpopulation and interspecific sequence variation of cytochrome c oxidase subunit I among six of the nine species (13 populations, 87 individuals), documenting up to 14.4% sequence divergence among conspecific populations. Interspecific divergence ranges from 8.7% to 21.9%. We also include in our analysis a single putative individual of F. cryptica, recently sampled from Kentucky, evaluating whether the population it represents may be genetically distinct. Fit within a larger phylogenetic context, the 14.4% sequence divergence demonstrated between this individual and its nearest neighbour, F. bottimeri sampled from Washington, DC, supports the specific status of F. cryptica.

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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.