三个新的蜘蛛基因组揭示了蜘蛛蛋白的多样化和Hox簇结构:Ryuthela nishihirai (Liphistiidae), Uloborus plumipes (Uloboridae) and Cheiracanthium punctorium (Cheiracanthiidae).

IF 5.5 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Yannis Schöneberg, Tracy Lynn Audisio, Alexander Ben Hamadou, Martin Forman, Jiří Král, Tereza Kořínková, Eva Líznarová, Christoph Mayer, Lenka Prokopcová, Henrik Krehenwinkel, Stefan Prost, Susan Kennedy
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引用次数: 0

摘要

蜘蛛是一个种类繁多的类群,也是几乎所有陆地栖息地中最丰富的捕食者之一。它们的成功往往归功于其进化过程中的关键发展,如产丝和产毒,以及主要的非形态,如全基因组复制。解决蜘蛛生命树内部的深层关系一直是一项挑战,因此很难衡量这些新发现对蜘蛛进化的相对重要性。全基因组数据为这些工作提供了重要资源,同时也为功能基因组研究提供了重要资源。在这里,我们展示了三个蜘蛛物种的全新组装:Ryuthela nishihirai (Liphistiidae),古代中蛛亚目(Mesothelae)的代表,该亚目是所有其他现生蜘蛛的姐妹目;Uloborus plumipes (Uloboridae),一种楔形口织蛛,其系统发生学定位特别具有挑战性;Cheiracanthium punctorium (Cheiracanthiidae),仅代表了超多样化的 Dionycha 支系中第二个被测序的家族。这些基因组填补了蜘蛛生命树中的重要空白。利用这些新的基因组以及之前发表的 25 个基因组,我们研究了蜘蛛素基因和结构 hox 簇多样性的进化历史。我们的组配为深入研究蜘蛛进化提供了重要的基因组资源。活化石 "R. nishihirai的近染色体级基因组代表着我们向前迈出了特别重要的一步,为我们提供了有关蜘蛛性状起源的新见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Three Novel Spider Genomes Unveil Spidroin Diversification and Hox Cluster Architecture: Ryuthela nishihirai (Liphistiidae), Uloborus plumipes (Uloboridae) and Cheiracanthium punctorium (Cheiracanthiidae)

Three Novel Spider Genomes Unveil Spidroin Diversification and Hox Cluster Architecture: Ryuthela nishihirai (Liphistiidae), Uloborus plumipes (Uloboridae) and Cheiracanthium punctorium (Cheiracanthiidae)

Spiders are a hyperdiverse taxon and among the most abundant predators in nearly all terrestrial habitats. Their success is often attributed to key developments in their evolution such as silk and venom production and major apomorphies such as a whole-genome duplication. Resolving deep relationships within the spider tree of life has been historically challenging, making it difficult to measure the relative importance of these novelties for spider evolution. Whole-genome data offer an essential resource in these efforts, but also for functional genomic studies. Here, we present de novo assemblies for three spider species: Ryuthela nishihirai (Liphistiidae), a representative of the ancient Mesothelae, the suborder that is sister to all other extant spiders; Uloborus plumipes (Uloboridae), a cribellate orbweaver whose phylogenetic placement is especially challenging; and Cheiracanthium punctorium (Cheiracanthiidae), which represents only the second family to be sequenced in the hyperdiverse Dionycha clade. These genomes fill critical gaps in the spider tree of life. Using these novel genomes along with 25 previously published ones, we examine the evolutionary history of spidroin gene and structural hox cluster diversity. Our assemblies provide critical genomic resources to facilitate deeper investigations into spider evolution. The near chromosome-level genome of the ‘living fossil’ R. nishihirai represents an especially important step forward, offering new insights into the origins of spider traits.

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来源期刊
Molecular Ecology Resources
Molecular Ecology Resources 生物-进化生物学
CiteScore
15.60
自引率
5.20%
发文量
170
审稿时长
3 months
期刊介绍: Molecular Ecology Resources promotes the creation of comprehensive resources for the scientific community, encompassing computer programs, statistical and molecular advancements, and a diverse array of molecular tools. Serving as a conduit for disseminating these resources, the journal targets a broad audience of researchers in the fields of evolution, ecology, and conservation. Articles in Molecular Ecology Resources are crafted to support investigations tackling significant questions within these disciplines. In addition to original resource articles, Molecular Ecology Resources features Reviews, Opinions, and Comments relevant to the field. The journal also periodically releases Special Issues focusing on resource development within specific areas.
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