A DNA Barcoding Survey of Ulva (Chlorophyta) in Tunisia and Italy Reveals the Presence of the Overlooked Alien U. ohnoi

IF 1.4 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Cryptogamie Algologie Pub Date : 2018-02-23 DOI:10.7872/crya/v39.iss1.2018.85

Ramzi Miladi, Antonio Manghisi, S. Armeli Minicante, G. Genovese, S. Abdelkafi, M. Morabito

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引用次数: 33

Abstract

Abstract The cosmopolitan genus Ulva Linnaeus includes species of green macroalgae found in marine, brackish and some freshwater environments. Although there is a wide literature for the determination of Ulva taxa in Europe, they are among the most problematic algae to accurately identify, because they have few distinctive features, as well as a high intraspecific variation. At present, the knowledge of both diversity and distribution of the genus Ulva in the Mediterranean Sea is almost entirely based on morphological studies and there is only a few published papers dealing with molecular data. Tunisia has a key position in the Mediterranean and constitutes a transition area with a rich habitat diversity between eastern and western basins. The latest inventory of marine macrophytes dates back to 1987, updated in 1995. The aim of the present paper is to provide a molecular-assisted alpha taxonomy survey of Ulva spp. along Tunisian coasts, in comparison with a few Italian sites, using the tufA marker. Nine genetic species groups were resolved, including the non indigenous species Ulva ohnoi, newly reported for Tunisia. The actual picture of the taxonomy of Ulva spp. in the Mediterranean as a whole is far to be clarified and the present data on Tunisian collections aim to be a step towards its clarification. This paper is the first DNA barcoding study on green macroalgae in Tunisia and it contributes to add records to the Barcode Of Life Data Systems which are publically available.

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突尼斯和意大利的绿藻DNA条形码调查揭示了被忽视的外星U. ohnoi的存在

绿藻属(Ulva Linnaeus)是一种广泛分布于海洋、半咸淡水和一些淡水环境中的大型绿藻。尽管关于欧洲Ulva分类群的确定有广泛的文献，但它们是最难以准确识别的藻类之一，因为它们几乎没有明显的特征，而且种内变异很大。目前，对地中海Ulva属的多样性和分布的认识几乎完全基于形态学研究，只有少数发表的论文涉及分子数据。突尼斯在地中海占有关键地位，是东部和西部盆地之间栖息地多样性丰富的过渡地区。最新的海洋大型植物清单可追溯到1987年，于1995年更新。本文的目的是利用tufA标记，对突尼斯沿海的乌尔瓦种进行分子辅助α分类调查，并与意大利的一些遗址进行比较。确定了9个遗传种群，其中包括突尼斯新报告的非本地种Ulva ohnoi。整个地中海的乌尔瓦种分类的实际情况尚待澄清，目前突尼斯收集的数据旨在朝着澄清这一问题迈出一步。本文首次对突尼斯绿色巨藻进行了DNA条形码研究，为生物条形码数据系统的公开提供了新的记录。

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

Cryptogamie Algologie 生物-海洋与淡水生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Cryptogamie is a fast-track and peer-reviewed journal of international scope publishing in English only. It accepts original papers and review articles on the taxonomy, biology and ecology of all cryptogams. An issue of Cryptogamie may be devoted to a single topic, under the responsibility of guest editor(s). All articles published in Cryptogamie are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication. Cryptogamie, Algologie accepts articles on systematics as well as ecology and evolution of any kind of algae (including Cyanobacteria).