Yihiella yeosuensis gen. et sp. nov. (suessiaceae, dinophyceae), a novel dinoflagellate isolated from the coastal waters of Korea

© 2016 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 53(2017), 1 vom: 25. Feb., Seite 131-145
1. Verfasser: Jang, Se Hyeon (VerfasserIn)
Weitere Verfasser: Jeong, Hae Jin, Moestrup, Øjvind, Kang, Nam Seon, Lee, Sung Yeon, Lee, Kyung Ha, Seong, Kyeong Ah
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't dinophyta protist taxonomy ultrastructure woloszynskioid DNA, Algal DNA, Protozoan DNA, Ribosomal
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245 1 0 |a Yihiella yeosuensis gen. et sp. nov. (suessiaceae, dinophyceae), a novel dinoflagellate isolated from the coastal waters of Korea 
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500 |a Date Revised 18.09.2018 
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520 |a © 2016 Phycological Society of America. 
520 |a A small (7-11 μm long) dinoflagellate with thin amphiesmal plates was isolated into culture from a water sample collected in coastal waters of Yeosu, southern Korea, and examined by LM, SEM, and TEM, and molecular analyses. The hemispheric episome was smaller than the hyposome. The nucleus was oval and situated from the central to the episomal region of the cell. A large yellowish-brown chloroplast was located at the end of the hyposome, and some small chloroplasts extended into the periphery of the episome. The dinoflagellate had a single elongated apical vesicle (EAV) and a type E eyespot, which are key characteristics of the family Suessiaceae. Unlike other genera in this family, it had two long furrow lines, one on the episome and the other on the hyposome, and encircling the dorsal, and lateral sides of the cell body. The pyrenoid lacked starch sheaths, but tubular invaginations into the pyrenoid matrix from the cytoplasm were observed. In the TEM, the dinoflagellate was observed to have cable-like structures (CLSs) near the eyespot but so far not observed in other dinoflagellates. The SSU rDNA sequences examined were 1.2%-5.1% different from those of other genera in the family Suessiaceae, whereas the LSU (D1-D3) rDNA sequences of this dinoflagellate were 15.1%-31.5% different. The dinoflagellate lacked a 51-bp fragment in domain D2 of the LSU rDNA, but it had an ~100-bp fragment in domain D2. This feature has been found previously only in the genera Leiocephalium and Polarella, two other genera of the Suessiaceae. The molecular phylogeny and sequence divergence based on SSU, and LSU rDNA indicate that the Korean dinoflagellate holds a taxonomically distinctive position and we consider it to be a new species in a new genus in the family Suessiaceae, named Yihiella yeosuensis gen. et sp. nov 
650 4 |a Journal Article 
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650 4 |a dinophyta 
650 4 |a protist 
650 4 |a taxonomy 
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650 4 |a woloszynskioid 
650 7 |a DNA, Algal  |2 NLM 
650 7 |a DNA, Protozoan  |2 NLM 
650 7 |a DNA, Ribosomal  |2 NLM 
700 1 |a Jeong, Hae Jin  |e verfasserin  |4 aut 
700 1 |a Moestrup, Øjvind  |e verfasserin  |4 aut 
700 1 |a Kang, Nam Seon  |e verfasserin  |4 aut 
700 1 |a Lee, Sung Yeon  |e verfasserin  |4 aut 
700 1 |a Lee, Kyung Ha  |e verfasserin  |4 aut 
700 1 |a Seong, Kyeong Ah  |e verfasserin  |4 aut 
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773 1 8 |g volume:53  |g year:2017  |g number:1  |g day:25  |g month:02  |g pages:131-145 
856 4 0 |u http://dx.doi.org/10.1111/jpy.12486  |3 Volltext 
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