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PT J
TI A new potentially toxic dinoflagellate Fukuyoa koreansis sp. nov. (Gonyaulacales, Dinophyceae) from Korean coastal waters: Morphology, phylogeny, and effects of temperature and salinity on growth
BT 
AF Li, Zhun
   Park, Joon Sang
   Kang, Nam Seon
   Chomérat, Nicolas
   Mertens, Kenneth
   Gu, Haifeng
   Lee, Kyun-Woo
   Kim, Ki Hyun
   Baek, Seung Ho
   Shin, Kyoungsoon
   Han, Kyong Ha
   Son, Moon Ho
   Shin, Hyeon Ho
AS 1:1;2:2;3:3;4:4;5:4;6:5;7:6;8:1;9:7;10:8;11:2;12:9;13:2;
FF 1:;2:;3:;4:PDG-ODE-LITTORAL-LERBO;5:PDG-ODE-LITTORAL-LERBO;6:;7:;8:;9:;10:;11:;12:;13:;
C1 Biological Resource Center/Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology, Jeongeup 56212, Republic of Korea
   Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
   Marine Biodiversity Institute of Korea, Seocheon 33662, Republic of Korea
   Ifremer, LITTORAL, F‐29900 Concarneau, France
   Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
   Marine Ecosystem and Biological Research Center, Korea Institute of Ocean Science & Technology, Republic of Korea
   Risk Assessment Research Center, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
   Ballast Water Research Center, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
   National Institute of Fisheries Science, Busan, 619-705, Republic of Korea
C2 KRIBB, SOUTH KOREA
   KIOST, SOUTH KOREA
   MABIK, SOUTH KOREA
   IFREMER, FRANCE
   THIRD INST OCEANOG SOA, CHINA
   KIOST, SOUTH KOREA
   KIOST, SOUTH KOREA
   KIOST, SOUTH KOREA
   NIFS, SOUTH KOREA
SI CONCARNEAU
SE PDG-ODE-LITTORAL-LERBO
IN WOS Ifremer UPR
   copubli-int-hors-europe
   copubli-sud
IF 5.905
TC 10
UR https://archimer.ifremer.fr/doc/00725/83681/91035.pdf
LA English
DT Article
DE ;Gambierdiscus;Growth rate;rRNA;SEM;Toxic dinoflagellate
AB To clarify an unspecified toxic Gambierdiscus-like species isolated from seawaters off Jeju Island, Korea, its morphology and molecular phylogeny based on the small subunit (SSU) and partial large subunit (LSU) rRNA gene sequences were examined. Cells were narrow in ventral view and broad in lateral view with a smooth surface. The round thecal pores were evenly distributed, with an average diameter of 0.41 µm. Cell depth, width and height were 51.7 ± 4.5 μm, 43.0 ± 4.2 μm and 55.0 ± 4.7 μm, respectively, and depth-to-width (D/W) and height-to-width (H/W) ratios were 1.1 ± 0.2 μm and 1.3 ± 0.02 μm, respectively. The nucleus was located in the hypotheca. Scanning electron microscope observations revealed that the cells displayed a plate formula of Po, 4′, 6′′, 6c, 6s, 5′′′ and 2′′′, and transmission electron microscope observation demonstrated that the cells contained crystal-like particles. Morphological features indicated that the unspecified Korean isolate belonged to the genus Fukuyoa, and based on the H/W and D/W ratios, the apical pore H/W ratio and thecal pore size, it could be differentiated from other Fukuyoa species. The phylogenetic analyses based on the SSU and LSU rRNA sequences revealed that the Korean isolate was nested within the genus Fukuyoa with high support, and it grouped with F. cf. yasumotoi isolated from Japan. Based on the morpho-molecular data, a new species, Fukuyoa koreansis sp. nov. is proposed. The maximum growth rate (0.254 d−1) of F. koreansis was observed at 25°C and a salinity of 25. The required levels of temperature and salinity for growth distinguished Fukuyoa koreansis from Gambierdiscus species. Previous article 
PY 2021
PD NOV
SO Harmful Algae
SN 1568-9883
PU Elsevier BV
VL 109
UT 000710116900001
DI 10.1016/j.hal.2021.102107
ID 83681
ER

EF