海南岛热带红树林中三种底栖硅藻的形态：Gyrosigma centropunctatum sp.nov.、G.dongzhainse sp.nov..和G.orbitum Thaler et Kaczmarska

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2020-07-02 DOI:10.1080/0269249x.2020.1800518

Yuhang Li, T. Nagumo, Zhongmin Sun, Kuidong Xu

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引用次数: 3

摘要

利用光学、扫描和透射电子显微镜描述了从中国海南岛热带红树林沉积物中分离出的三种底栖Gyrosigma物种：G.centropunctatum sp.nov.、G.dongzhaiense sp.nov..和G.orbitum Thaler et Kaczmarska。着丝点陀螺是一种管栖物种，在中心区域的两侧都有一排独特的孔。东寨回旋西格玛与同类的不同之处在于细胞大小小、线形S形轮廓和更高的条纹密度。圆脊灰蝶是另一种管栖物种，在外部中心区域有两个显著的椭圆形凹坑。这项研究扩展了我们对热带西太平洋海洋物种多样性和Gyrosigma分布的了解。我们讨论了管在陀螺虫物种鉴定中的分类学意义。

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Morphology of three benthic diatoms from a tropical mangrove in Hainan Island, China: Gyrosigma centropunctatum sp. nov., G. dongzhaiense sp. nov. and G. orbitum Thaler et Kaczmarska

Three benthic Gyrosigma species isolated from sediments of a tropical mangrove in Hainan Island, China, are described using light, scanning and transmission electron microscopy: G. centropunctatum sp. nov., G. dongzhaiense sp. nov. and G. orbitum Thaler et Kaczmarska. Gyrosigma centropunctatum is a tube-dwelling species possessing a unique row of pores on either side of the central area. Gyrosigma dongzhaiense differs from congeners by a combination of small cell size, linear-sigmoid outline, and higher stria density. Gyrosigma orbitum is another tube-dwelling species, which possesses two remarkable oval pits on the external central area. This study expands our knowledge of the marine species diversity and distribution of Gyrosigma in the tropical Western Pacific. We discuss the taxonomic significance of tubes in the species identification of Gyrosigma.

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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.