GENUS RETAMA RAF., 1838 (FABALES, FABACEAE): TAXONOMIC REVISION IN EGYPT SUPPORTED BY MOLECULAR FINGERPRINTING

Q4 Earth and Planetary Sciences

Bulletin of the Iraq Natural History Museum Pub Date : 2023-06-20 DOI:10.26842/binhm.7.2023.17.3.0435

Reham A. Youssef, W. Amer, Azza B. Hamed

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引用次数: 0

Abstract

In Egypt, the taxonomic identity of the taxa under genus Retama Raf., 1838 (Fabaceae) is still unclear and its morphological resemblance precludes its identification. The current study aims to resolve the taxonomic identity of the species belonging to genus Retama in Egypt and clarify the morphological, molecular, and geographic distribution characterised each species. To achieve these goals, the fresh and herbarium Retama specimens were used for morphological investigations using 94 macro-morphological characters while the Inter Simple Sequence Repeats (ISSR) markers were used for the molecular identity. This revision revealed the identification of two distinct species namely: Retama raetam (Forsskk.) Webb. and Retama monosperma (L.) Boiss with five forms under R. raetam (Forms 2, 4, 6, 7, and 8). In addition to Form 5 from under R. monosperma; the morphological and molecular identities of forms showed variations in the meanwhile it's clustering were congruent. The geographic distribution of the Retama taxa in Egypt was elucidated. This study highlights the urgent need for Retama species conservation, due its vulnerability to climatic change.

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RETAMA RAF属。，1838（蚕豆目，蚕豆科）：分子指纹图谱支持的埃及分类学修订

在埃及，Retama Raf属分类群的分类身份。，1838（Fabaceae）仍然不清楚，其形态相似性阻碍了其鉴定。目前的研究旨在解决埃及Retama属物种的分类学身份，并阐明每个物种的形态、分子和地理分布特征。为了实现这些目标，使用新鲜和植物标本馆的Retama标本进行形态学研究，使用94个宏观形态学特征，而使用ISSR标记进行分子鉴定。本次修订揭示了两个不同物种的鉴定，即：Retama raetam（Forsskk.）Webb。和Retama monosperma（L.）Boiss在R.raetam下有五种形式（形式2、4、6、7和8）。除了来自R.monosperma下的形式5之外；形态的形态和分子同一性在变异的同时，其聚类是一致的。阐明了Retama分类群在埃及的地理分布。这项研究强调了Retama物种保护的迫切需要，因为它容易受到气候变化的影响。

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来源期刊

Bulletin of the Iraq Natural History Museum Environmental Science-Ecology

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Bulletin of the Iraq Natural History Museum, that''s affiliated with the Iraq Natural History Research Center and Museum / University of Baghdad, which founded in 1961 and is a peer reviewed, scientific open access journal, publishing original articles, article reviews, and case reports (short communication) in the natural history sciences. This journal is published twice times a year (Biannual). Bulletin of the Iraq Natural History Museum publishes 8-12 articles in each issue, according to the priority of manuscript acceptance. The variation in research areas for each issue is considered. The financial support of the Bulletin of the Iraq Natural History Museum comes from the publication fees paid by authors. No other financial supports are availablefor the Bulletin.