Is the dinoflagellate <italic style="font-style: italic">Takayama xiamenensis</italic> a synonym of <italic style="font-style: italic">Takayama acrotrocha</italic> (Kareniaceae, Dinophyceae)?

Songhui LÜ; Aimin CHAO; Qianyan LIANG; Jingyi CEN; Jianyan WANG; Tao JIANG; Si LI

doi:10.1007/s00343-022-1321-0

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Is the dinoflagellate Takayama xiamenensis a synonym of Takayama acrotrocha (Kareniaceae, Dinophyceae)?

Marine harmful microalgae | Updated：2023-05-20

- Is the dinoflagellate Takayama xiamenensis a synonym of Takayama acrotrocha (Kareniaceae, Dinophyceae)?
- Journal of Oceanology and Limnology Vol. 40, Issue 6, Pages: 2146-2163(2022)
- Affiliations：
  
  1.Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China
  2.Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China
  3.Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China
  4.Zhejiang Ecological and Environmental Monitoring Center, Hangzhou 310012, China
  5.Department of Science Research, Beijing Museum of Natural History, Beijing 100050, China
  6.School of Ocean, Yantai University, Yantai 264005, China
- Author bio：
  
  Jianyan WANG, E-mail: wjy198530@163.com
- Funds：
- DOI：10.1007/s00343-022-1321-0
  CLC：
- Received：01 October 2021，
  
  Accepted：14 November 2021，
  
  Online First：03 June 2022，
  
  Published：2022-11
- Accepted：
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Songhui LÜ, Aimin CHAO, Qianyan LIANG, et al. Is the dinoflagellate Takayama xiamenensis a synonym of Takayama acrotrocha (Kareniaceae, Dinophyceae)?[J]. Journal of Oceanology and Limnology, 2022, 40(6): 2146-2163.
DOI：

Songhui LÜ, Aimin CHAO, Qianyan LIANG, et al. Is the dinoflagellate Takayama xiamenensis a synonym of Takayama acrotrocha (Kareniaceae, Dinophyceae)?[J]. Journal of Oceanology and Limnology, 2022, 40(6): 2146-2163. DOI： 10.1007/s00343-022-1321-0.

摘要

Abstract

The naked dinoflagellate

Takayama acrotrocha

was identified as responsible for a bloom in Shenzhen Bay

Guangdong

China

in early spring 2021. The identification was confirmed by light

scanning

and transmission electron microscopy and molecular data based on the LSU ribosomal DNA (rDNA) and ITS rDNA sequences. This is the first record of

T. acrotrocha

bloom in the South China Sea. The sulcus of

T. acrotrocha

was wide and extended onto the epicone as a short intrusion in general

sometime the intrusion was not apparent and some were finger-like. The apical groove was deeply sigmoid. The nucleus was large

ovoid to cup-shaped and occupied most of the epicone. A large

rounded pyrenoid surrounded by a starch sheath was located at the left side to the centre of the hypocone. Under epifluorescence illumination

a row of large vesicular knobs was observed on the upper border of the cingulum. The intraspecific morphological variabilities in the clonal cultures of

T. acrotrocha

were investigated carefully. Cells that share the same diagnostic characters used for the description of

Takayama xiamenensis

such as the finger-like sulcus

a large nucleus located in the epicone and the similar pyrenoid type were observed. The LSU rDNA sequences of

T. acrotrocha

and

T. xiamenensis

only differed in 3 base pairs (bp) for a sequence length of 673 bp (with a similarity of 99.55%). For these reasons

we propose

T. xiamenensis

as a junior synonym of

T. acrotrocha

关键词

Keywords

references

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Related Author

YUAN Ziming

SHA Zhongli

JIANG Wei

Hua ZHANG

Songhui LÜ

Jingyi CEN

Yang LI

Qun LI

Related Institution

Laboratory of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences

Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao)

Center for Ocean Mega-Science, Chinese Academy of Sciences

University of Chinese Academy of Sciences

College of Life Science and Technology, Jinan University

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Is the dinoflagellate Takayama xiamenensis a synonym of Takayama acrotrocha (Kareniaceae, Dinophyceae)?

DOI：10.1007/s00343-022-1321-0

摘要

Abstract

关键词

Keywords

references