Morphology, Molecular Data, and Fatty Acid Composition of Some Monoraphid Diatoms from the South China Sea, with Description of Two New Species of Astartiella

We examined 13 strains of marine monoraphid diatoms belonging to the genera Schizostauron, Astartiella, and Achnanthes, isolated from the South China Sea near Viet Nam, with the use of light, fluorescent and electron microscopy, and molecular methods. Based on our investigation, two new species of Astartiella are described: Astartiella triundulata and Astartiella zinaidae. A morphological comparison with close species is provided, and the results of molecular analysis are discussed. Schizostauron strains were identified as S. trachyderma: the cryptic diversity and genetic variability within this genus are examined. Data on geographical distribution of these taxa are presented. A total fatty acid profile was obtained for both Schizostauron and Astartiella strains, and the results are discussed as well.

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Journal
Phycology
Published
2026-10-28
DOI
https://doi.org/10.3390/phycology6040115
Primary Topic
Diatoms and Algae Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Morphology, Molecular Data, and Fatty Acid Composition of Some Monoraphid Diatoms from the South China Sea, with Description of Two New Species of Astartiella

Anton Glushchenko, Yevhen Maltsev, Natalia D. Tseplik, Elena M. Kezlya et al.
Phycology
Diatoms and Algae Research
article

Morphology, Molecular Data, and Fatty Acid Composition of Some Monoraphid Diatoms from the South China Sea, with Description of Two New Species of Astartiella

Anton Glushchenko, Yevhen Maltsev, Natalia D. Tseplik, Elena M. Kezlya, Zinaida V. Krivova, Doan Nhu Hai, Maxim Sergeevich Kulikovskiy, Sergei Genkal
article en

Abstract

We examined 13 strains of marine monoraphid diatoms belonging to the genera Schizostauron, Astartiella, and Achnanthes, isolated from the South China Sea near Viet Nam, with the use of light, fluorescent and electron microscopy, and molecular methods. Based on our investigation, two new species of Astartiella are described: Astartiella triundulata and Astartiella zinaidae. A morphological comparison with close species is provided, and the results of molecular analysis are discussed. Schizostauron strains were identified as S. trachyderma: the cryptic diversity and genetic variability within this genus are examined. Data on geographical distribution of these taxa are presented. A total fatty acid profile was obtained for both Schizostauron and Astartiella strains, and the results are discussed as well.

PhycologyVol. 6(4)
Russian Academy of Sciences (RU), Institute of Biology of Inland Waters named Ivan Dmitrievich Papanin (RU), Timiryazev Institute of Plant Physiology (RU), Institute of Oceanography (VN), Vietnam Academy of Science and Technology (VN)
Vietnam Academy of Science and Technology, Russian Science Foundation, Ministry of Science and Higher Education of the Russian Federation
Life below water
Openalex Percentile: Top 29%
Diatoms and Algae Research
DOIOpen Access PDFOpenAlex
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