A new species of Craspedostauros (Bacillariophyceae) from the west coast of Sweden, with taxonomic and ecological notes on Craspedostauros laevissimus

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-01-04 DOI:10.1515/bot-2023-0065

Adil Y. Al-Handal, Matt P. Ashworth, Angela Wulff

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Abstract

Since its separation from Stauroneis in 1999, several new species of Craspedostauros were discovered in a variety of habitats and geographic locations, adding morphological and phylogenetic data to the investigations of the genus. In a survey of littoral diatoms of Sweden, both on the west and east coasts, two epiphytic stauros-bearing species were encountered and assigned to Craspedostauros following the characteristic features of this genus, including the possession of a stauros narrower than the central area and cribrate areolae. One species is described as new to science; Craspedostauros lateralis sp. nov., and the other is of uncertain identity but bears morphological similarity to C. laevissimus. Caspedostauros lateralis is a marine epiphytic species found in the west coast of Sweden, off Gothenburg city. Based on light and electron microscopy, a detailed description of the morphological and ultrastructural features of these species is given and a comparison of the distinguishing characters with allied species is discussed. Some ecological data and the occurrence of associated species on the host macrophyte are provided.

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瑞典西海岸 Craspedostauros（Bacillariophyceae）的一个新物种，以及 Craspedostauros laevissimus 的分类学和生态学说明

自 1999 年从 Stauroneis 中分离出来以来，在不同的生境和地理位置发现了几个 Craspedostauros 的新物种，为该属的研究增添了形态学和系统发生学数据。在对瑞典西海岸和东海岸的滨海硅藻进行调查时，发现了两个附生石柱的物种，并根据该属的特征（包括石柱比中央区域狭窄和具有肋状窠片）将其归入 Craspedostauros。其中一个物种被描述为科学界的新物种：Craspedostauros lateralis sp.nov.，另一个物种的身份不确定，但与 C. laevissimus 具有形态上的相似性。Caspedostauros lateralis 是一种海洋附生物种，发现于瑞典哥德堡市附近的西海岸。根据光镜和电子显微镜，详细描述了这些物种的形态和超微结构特征，并讨论了与同属物种的区别特征比较。文中还提供了一些生态学数据以及寄主大型植物上相关物种的出现情况。

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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.