DNA barcoding of the genus Verbascum (Scrophulariaceae) in the Arabian Peninsula

IF 3 2区生物学 Q2 EVOLUTIONARY BIOLOGY

Taxon Pub Date : 2024-03-06 DOI:10.1002/tax.13156

Ali Mohammed Alzahrani, Joana Magos Brehm, Shahina A. Ghazanfar, Nigel Maxted

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引用次数: 0

Abstract

Verbascum and Rhabdotosperma are members of the family Scrophulariaceae. The first genus comprises approximately 360 species from almost all parts of the world, while the second contains a total of 8 species from tropical Africa and the Arabian Peninsula. Since 1977, the relationships between Verbascum and Rhabdotosperma continue to be contested. The present study aims to present the phylogenetic relationships and status among Verbascum species in the Arabian Peninsula. For phylogenetic analyses, maximum parsimony and Bayesian inference were performed. In total, 236 DNA sequences from 59 specimens of Arabian Verbascum were analysed. The phylogenetic analysis of one nuclear (ITS) and three chloroplastic (rbcL, matK, trnL) markers confirmed the monophyly of Verbascum, including the genus Rhabdotosperma. In addition to presenting novel phylogenetic relationships among the different Verbascum species in the Arabian Peninsula, our study reduced the species count of Arabian Verbascum to 16. Moreover, the phylogenetic analysis strongly supports the reinstatement of the genus Rhabdotosperma into Verbascum based on the Bayesian and maximum parsimony analyses.

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阿拉伯半岛马鞭草属（景天科）的 DNA 条形编码

马鞭草属（Verbascum）和鼠尾草属（Rhabdotosperma）均为景天科（Scrophulariaceae）植物。第一个属包括来自世界各地的约 360 个物种，第二个属则包括来自热带非洲和阿拉伯半岛的共 8 个物种。自 1977 年以来，Verbascum 和 Rhabdotosperma 之间的关系一直存在争议。本研究旨在介绍阿拉伯半岛马鞭草物种之间的系统发育关系和地位。系统发生分析采用了最大解析法和贝叶斯推断法。共分析了来自 59 个阿拉伯马鞭草标本的 236 个 DNA 序列。对一个核标记（ITS）和三个叶绿体标记（rbcL、matK、trnL）的系统进化分析证实了马鞭草的单系性，包括Rhabdotosperma属。我们的研究不仅揭示了阿拉伯半岛不同马鞭草物种之间新的系统发育关系，还将阿拉伯马鞭草的物种数量减少到 16 个。此外，根据贝叶斯分析和最大解析分析，系统发生分析强烈支持将 Rhabdotosperma 属重新归入马鞭草属。

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

Taxon 生物-进化生物学

CiteScore

4.70

自引率

8.80%

发文量

177

审稿时长

6-12 weeks

期刊介绍： TAXON is the bi-monthly journal of the International Association for Plant Taxonomy and is devoted to systematic and evolutionary biology with emphasis on plants and fungi. It is published bimonthly by the International Bureau for Plant Taxonomy and Nomenclature, c/o Institute of Botany, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 23 Bratislava, SLOVAKIA. Details of page charges are given in the Guidelines for authors. Papers will be reviewed by at least two specialists.