许多兽螨类群的旁系和多系揭示了趋同进化:分子方法

IF 1.8 2区 农林科学 Q2 ENTOMOLOGY
Experimental and Applied Acarology Pub Date : 2024-12-01 Epub Date: 2024-09-08 DOI:10.1007/s10493-024-00960-1
Peter Cordes, Xue Pan, Maka Murvanidze, Anna Seniczak, Stefan Scheu, Ina Schaefer, Mark Maraun, Bastian Heimburger
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引用次数: 0

摘要

可靠的系统发生对于了解动物类群的进化和辐射至关重要。基于形态学数据的系统进化可能会因性状的频繁趋同进化而产生误导--而分子系统进化所面临的问题较少。这一点对于拥有 11,000 多个物种的古老土壤动物类群--眶螨类来说尤为重要,因为在这一类群中,将物种划分为超科等高级类群的方法并不明确。在此,我们基于 18S rDNA 序列,建立了 317 种 oribatid、4 种 astigmatid 和 17 种 endeostigmatid 的分子系统发育关系。我们的目的是检验 Norton 和 Behan-Pelletier (见 Krantz 和 Walter,《螨学手册》,第 3 版,德克萨斯技术大学出版社,卢伯克,2009 年)确认的 41 个口螨超科的有效性。结果表明,在 41 个兽螨超科中,有 17 个超科是单系的,但有 18 个超科是副系或多系的(有 5 个超科只包括一个物种,Microzetoidea 没有包括在内)。我们的研究结果表明了趋同进化在多单系兽螨类群中的重要性。趋同进化和螨类的老龄化很可能导致形态特征的马赛克式分布,从而阻碍了基于形态学的系统发育重建,因此需要采用分子方法来改进兽螨系统学。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Convergent evolution revealed by paraphyly and polyphyly of many taxa of oribatid mites: A molecular approach.

Convergent evolution revealed by paraphyly and polyphyly of many taxa of oribatid mites: A molecular approach.

A reliable phylogeny is crucial for understanding the evolution and radiation of animal taxa. Phylogenies based on morphological data may be misleading due to frequent convergent evolution of traits-a problem from which molecular phylogenies suffer less. This may be particularly relevant in oribatid mites, an ancient soil animal taxon with more than 11,000 species, where the classification of species into high-ranking taxa such as superfamilies is equivocal. Here, we present a molecular phylogeny of 317 oribatid, 4 astigmatid and 17 endeostigmatid mite species/taxa based on 18S rDNA sequences. We aimed at testing the validity of the 41 superfamilies of oribatid mites recognized by Norton and Behan-Pelletier (in Krantz and Walter, A manual of Acarology, 3rd ed., Texas Technical University Press, Lubbock, 2009). The results indicate that 17 of the 41 oribatid mite superfamilies are monophyletic but that 18 superfamilies are paraphyletic or polyphyletic (5 superfamilies were only included with one species and Microzetoidea were not included). Our findings point to the importance of convergent evolution in polyphyletic oribatid mite taxa. Convergent evolution and the old age of mites likely resulted in a mosaic-like distribution of morphological characters impeding phylogenetic reconstructions based on morphology, calling for molecular approaches to improve oribatid mite systematics.

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来源期刊
CiteScore
3.90
自引率
9.10%
发文量
81
审稿时长
4-8 weeks
期刊介绍: Experimental and Applied Acarology publishes peer-reviewed original papers describing advances in basic and applied research on mites and ticks. Coverage encompasses all Acari, including those of environmental, agricultural, medical and veterinary importance, and all the ways in which they interact with other organisms (plants, arthropods and other animals). The subject matter draws upon a wide variety of disciplines, including evolutionary biology, ecology, epidemiology, physiology, biochemistry, toxicology, immunology, genetics, molecular biology and pest management sciences.
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