一些广布和稀有的pennate硅藻(硅藻门)形态新资料

Q3 Agricultural and Biological Sciences

Novosti Sistematiki Nizshikh Rastenii Pub Date : 2022-01-01 DOI:10.31111/nsnr/2022.56.1.9

S. Genkal, O. Gorokhova

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引用次数: 1

摘要

通过对俄罗斯伏尔加格勒地区Elton高盐湖矿化支流(Bolshaya Samoroda、Lantsug和Khara)中的Anomoeoneis sphaerophora f. sculpta、Gyrosigma wansbeckii和Pleurosigma elongatum的电镜研究，为定量诊断特征(活门长度、10 μm的条纹和乳晕数量)和一些形态元素(中缝和乳晕)的变异提供了新的数据。对于球形畸形(Anomoeoneis sphaerophora f. sculpta)，在瓣膜外表面发现假乳晕，并首次发现裂口端向瓣膜主侧弯曲。对于万氏陀螺，首次获得了10 μm范围内的乳晕数数据。延长胸膜瓣的长度和宽度范围以及10 μm内的条纹和乳晕的数量都有所扩大。

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New data on morphology of some widespread and rare pennate diatoms (Bacillariophyta)

This electron microscopy study of new for the Volgograd Region (Russia) Anomoeoneis sphaerophora f. sculpta, Gyrosigma wansbeckii, and Pleurosigma elongatum from mineralized tributaries (Bolshaya Samoroda, Lantsug and Khara) of the hyperhaline Lake Elton provides new data on the variability of quantitative diagnostic characteristics (valve length, number of striae and areolae in 10 μm) and some morphological elements (raphe and areolae). For Anomoeoneis sphaerophora f. sculpta, false areolae were found on the external valve surface, it was shown for the first time that the raphe ends are bent towards the primary side of the valve as well. For Gyrosigma wansbeckii, data on the areolae number in 10 μm are presented for the first time. The range of length and width of Pleurosigma elongatum valves, as well as the number of striae and areolae in 10 μm, has been expanded.

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来源期刊

Novosti Sistematiki Nizshikh Rastenii Agricultural and Biological Sciences-Plant Science

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Journal is one of the scientific periodicals of the Komarov Botanical Institute (at present belonging to the Russian Academy of Sciences), founded as the garden of medicinal plants by Peter the Great in February 1714. The Journal under the name Novosti sistematiki nizshikh rastenii was founded in 1964 by the botanists of the Komarov Botanical Institute, St. Petersburg (formerly Leningrad). It represents a continuation of Botanicheskie materialy Instituta Sporovykh Rastenii Glavnogo Botanicheskogo Sada RS FSR, Petrograd, vol. 1–4(7), 1922–1926; Botanicheskie materialy otdela sporovyh rastenii Botanicheskogo Instituta imeni V. L. Komarova Akademii Nauk SSSR, Moscow, Leningrad, vol. 5(4/6)–5(10/12), 1940–1945; vol. 6(7/12)–16, 1950–1963, preceded by Botanicheskie materialy Otdela sporvykh rastenii Botanicheskogo Instituta Akademii Nauk SSSR, Moscow, Leningrad vol. 6(1/6), 1949. The Journal publishes original papers on taxonomy, systematics and biodiversity of algae, fungi, lichens and bryophytes.