Diversity and geographical distribution of resting stages of eukaryotic algae in the surface sediments from the southern Chinese coastline based on metabarcoding partial 18S rDNA sequences

Liu Lei; Wang Zhaohui; Lu Songhui

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Diversity and geographical distribution of resting stages of eukaryotic algae in the surface sediments from the southern Chinese coastline based on metabarcoding partial 18S rDNA sequences

机译：基于术中18S rDNA序列的南方海岸线表面沉积物静态藻类休息阶段的多样性和地理分布

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Surface sediment samples were collected from sixteen sites of the southern Chinese coastline in this study. Diversity of eukaryotic microalgae was examined using high-throughput sequencing of 18S rDNA to understand the community structure and geological distribution of microalgal resting stages. A total of 218 operational taxonomic units (OTUs) were detected for eukaryotic algae, and only 75 OTUs (34.40%) were detected into species level. The algal communities were composed of sixty-four genera belonged to twelve classes of four phyla. Dinoflagellates were the most abundant and diversified group, which accounted for the average of 56.26% and 53.70% DNA reads and OTUs, respectively. Dinoflagellates were dominated by Protoperidinium, Euduboscquella, Amylax, and Paragymnodinium. Chaetoceros, Thalassiosira, and Skeletonema were abundant in diatoms, while Pedospumella and Paraphysomonas in Chrysophyceae were the most abundant genera due to their massive occurrence in some particular sites. The high abundance of Protoperidinium sequences suggested the high nutrient levels in the southern Chinese coastline. Nineteen of the detected OTUs were assigned to harmful and/or bloom-forming microalgae. The wide occurrence of the toxic dinoflagellate Azadinium poporum and high abundance of Alexandrium pacificum in some particular sites suggested the potential risk of human poisoning.

机译：在这项研究中，从南方海岸线的十六位点收集地表沉积物样品。使用18S rDNA的高通量测序检查真核微藻的多样性，以了解微藻休息阶段的群落结构和地质分布。为真核藻类检测了总共218个运营分类单位（OTUS），只检测到75个OTU（34.40％）的物种水平。藻类社区由六十四属组成，属于十二类四种植物。 Dinoflagellates是最丰富和多样化的群体，分别占56.26％和53.70％的DNA读数和otus的平均值。 Dinoflagellates由Protoperidinium，Eudfosphquella，Amylax和Paragymnodinium主导。 Chaetoceros，Thalassiosira和骨质肿大在硅藻中丰富，而汉族酵母的Pavosphella和Paraphysomonas是由于它们在某些特定部位的大规模发生而最丰富的属。高丰度的原生丙烯酸序列表明中国海岸线南部的高营养水平。将检测到的OTU的十九分配给有害和/或盛开的微藻。在某些特定网站中占有毒性Dinoflagelate Azadinium的含有亚洲葡萄球菌和高丰度的亚历山大旺姆，提出了人类中毒的潜在风险。

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《Marine ecology》 |2020年第3期|e12585.1-e12585.17|共17页
作者
Liu Lei; Wang Zhaohui; Lu Songhui;
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Jinan Univ Coll Life Sci & Technol Guangzhou Peoples R China;

Jinan Univ Coll Life Sci & Technol Guangzhou Peoples R China;

Jinan Univ Coll Life Sci & Technol Guangzhou Peoples R China;

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正文语种 eng
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关键词
dinoflagellate cysts; eukaryotic algae; high-throughput sequencing; maine sediment; South China Sea; spores;

机译：Dinoflagellate囊肿;真核藻类;高通量测序;缅因州沉积物;南海;孢子;

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6. Book reviewsFrey, W. (ed.) (2017): Syllabus of plant families, A. Engler’s Syllabus der Planzenfamilien, 13th edition, Part 2/2. Photoautotrophic eukaryotic Algae: Rhodophyta. — J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Stuttgart, Germany, 171 pp. (ISBN 978-3-443-01094-2).Grube, M., Seckbach, J. and Muggia, L. (eds) (2016): Algal and cyanobacteria symbioses. — World Scientific Publishing Europe, Ltd., London, 680 pp. (ISBN 9781786340597).Herrera-Campos, W., Pérez-Pérez, R. E. and Nash III, Th. H. (eds) (2016): Lichens of Mexico. The Parmeliaceae — keys, distribution and specimen descriptions. — Bibliotheca Lichenologica, Band 110. J. Cramer in der Gebrüder Borntraeger Verlagsbuchhandlung, Stuttgart, 723 pp. (ISBN 978-3-443-58089-6).Jaklitsch, W., Baral, H.-O., Lücking, R., Lumbsch, H. T. and Frey, W. (eds) (2016): Syllabus of plant families, A. Engler’s Syllabus der Pflanzenfamilien, 13th edition, Part 1/2. Ascomycota. — Gebrüder Borntraeger Verlagsbuchhandlung, Stuttgart, Germany, 322 pp. (ISBN 978-3-443-01089-8).Villac, M. C., Kaczmarska, I. and Ehrman, J. M. (2016): Diatoms from ship ballast sediments (with consideration of a few additional species of special interest). — In: Witkowski, A. (ed.): Diatom Monographs, Vol. 18. Koeltz Botanical Books, Germany, 557 pp. (ISBN 978-3-946583-04-2). [O] . 2017

机译：书籍评论菲瑞，W.（ed。）（2017）：植物家庭的教学大纲，A. Engler的平面家庭教学大纲，第13版，第2/2部分。 photoautotrophic真核藻类：肾甲膜。 - 德堡·斯塔格勒出版书店，德国斯图加特的J. Cramer，171 PP。（ISBN 978-3-443-01094-2）.grube，M.，Seckbach，J.和Muggia，L.（EDS）（2016年）：藻类和蓝细菌共生。 - 世界科技出版欧洲有限公司，伦敦，680页（ISBN 9781786340597）.Herrera - 坎波斯，W.，佩雷斯佩雷斯，R. E.和纳什III，钍H.（EDS）（2016）：墨西哥的地衣。 Parmeliaceae - 钥匙，分布和标本描述。 - 书目Lichenologica，卷110 J.克拉默在GEBRÜDERBorntraeger Publisherbuchhandlung，斯图加特，723页（ISBN 978-3-443-58089-6）.jaklitsch，W.，巴拉尔，H.-O.，勒金，R。，Lumbsch，Ht和Frey，W.（EDS）（2016）：植物家庭的教学大纲，A. Engler的植物家庭教学大纲，第13版，第1/2部分。 ascomycota。 - GEBRÜDERBorntraeger出版书店，德国斯图加特，322页（ISBN 978-3-443-01089-8-3-443-01089-8）Villac，MC，Kaczmarska，I。和埃尔曼，JM（2016）。：从船舶压载沉积物硅藻（以审议特别感兴趣的一些额外的物种）。 - 在：。WITKOWSKI，A。（编）：硅藻专着，卷18 Koeltz植物园书籍，德国，557页（ISBN 978-3-946583-04-2）。

Diversity and geographical distribution of resting stages of eukaryotic algae in the surface sediments from the southern Chinese coastline based on metabarcoding partial 18S rDNA sequences

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