A DNA barcode inventory of the genus Ulva (Chlorophyta) along two Italian regions: updates and considerations

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-21 DOI:10.1515/bot-2023-0071

Simona Armeli Minicante, James T. Melton, Damiano Spagnuolo, Antonio Manghisi, Giuseppa Genovese, Marina Morabito, Juan Lopez-Bautista

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Abstract

The genus Ulva Linnaeus 1753 is well known for its global distribution and containing many taxonomically debated species. Their morphological plasticity and cryptic nature overrepresent and underrepresent, respectively, the biodiversity of these species. The difficulty in morphologically identifying Ulva species has led to the accumulation of many species names that are currently considered synonyms. The correct identification of these species is crucial due to their significant role in marine ecosystems and mariculture. In the last 30 years, several checklists and taxonomic contributions have been made from the Italian coast on Ulva species, almost entirely based on morphological studies and only a few papers with molecular data have been published. In this study, samples deposited at the Institute of Marine Sciences (ISMAR) and Phycological Lab (PHL) herbaria have been reviewed by sequencing the chloroplast-encoded elongation factor Tu (tufA) barcode marker. The results obtained provide an update of the DNA barcode inventory of Ulva species for the Lagoon of Venice and the Strait of Messina, two ecosystems characterized by a high algal biogeographical diversity and continuous introduction due to anthropogenic activities. Here, ten Ulva species were identified based on molecular data. Furthermore, we record the presence of Ulva chaugulei on the coast of Tunisia.

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意大利两个地区莼菜属（叶绿体）的 DNA 条形码清单：更新和考虑因素

林奈（Linnaeus）1753 年所著的《莼菜属》（Ulva Linnaeus 1753）以其全球分布而闻名，其中包含许多在分类学上存在争议的物种。它们的形态可塑性和隐蔽性分别过高和过低地代表了这些物种的生物多样性。由于在形态学上难以识别莼菜物种，因此积累了许多目前被认为是同义词的物种名称。由于莼菜在海洋生态系统和海水养殖中的重要作用，正确识别这些物种至关重要。在过去的 30 年中，意大利海岸的莼菜物种已经有了几份核对表和分类学方面的贡献，但几乎都是基于形态学研究，只有少数论文发表了分子数据。在这项研究中，通过对叶绿体编码的伸长因子 Tu（tufA）条形码标记进行测序，对存放在海洋科学研究所（ISMAR）和植物学实验室（PHL）标本馆的样本进行了审查。所获得的结果更新了威尼斯泻湖和墨西拿海峡的莼菜物种 DNA 条形码清单，这两个生态系统的特点是藻类生物地理多样性高，并且由于人类活动而不断引入。在此，根据分子数据确定了 10 个莼菜物种。此外，我们还记录了突尼斯海岸出现的莼菜（Ulva chaugulei）。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.