Identification of a marine woloszynskioid dinoflagellate Biecheleriopsis adriatica and germination of its cysts from southern Chinese coasts

Wei, Kang; Wang, Zhaohui

doi:10.1016/j.jes.2017.04.031

Cited by 5 publications

(1 citation statement)

References 17 publications

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“…Phototrophic dinoflagellates are a major component of marine ecosystem (Hallegraeff 1993, Taylor et al 2008, Selina and Levchenko 2011. These algae play diverse roles in marine ecosystems as unlike other genera belonging to this family, the cells of B. adriatica possess a nuclear fibrous connective and a distinct tongue-like process in the left ventral corner of the asymmetric hyposome (Moestrup et al 2009, Takahashi et al 2014, Luo et al 2015, Kang and Wang 2018. Vegetative cells of this species have been found in the Adriatic Sea and in the coastal waters of Korea, China, Japan, the Philippines, Singapore, and Palau Island (Moestrup et al 2009, Takahashi et al 2014, Luo et al 2015, Benico et al 2019, whereas resting cysts have been found in sediments of the China and Black seas (Luo et al 2015, Dzhembekova et al 2018, Kang and Wang 2018.…”

Section: Introductionmentioning

confidence: 99%

Spatial and seasonal distributions of the phototrophic dinoflagellate Biecheleriopsis adriatica (Suessiaceae) in Korea: quantification using qPCR

Kang¹,

Jeong²,

Ok³

et al. 2019

ALGAE

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The phototrophic dinoflagellate Biecheleriopsis adriatica is a small suessioid species characterized by a fragile thin wall. Although the morphology of this dinoflagellate is well established, there is currently little information available on its distribution and the environmental factors that influence this distribution. Thus, to investigate the spatial and seasonal distributions of the vegetative cells of B. adriatica in Korean waters, surface water samples were collected on a seasonal basis from 28 stations in the East, West, and South Sea of Korea and Jeju Island from April 2015 to October 2018, and abundances of the vegetative cells of B. adriatica were quantified using quantitative real-time polymerase chain reactions, for which we developed the species-specific primer and probe set. Simultaneously, major environmental parameters, including temperature, salinity, nutrient concentrations, and dissolved oxygen concentrations were measured. The vegetative cells of B. adriatica were detected at 20 of the 28 sampling stations: 19 stations in summer and 6 in autumn, although from no stations in either spring or winter. The ranges of water temperature and salinity at sites where this species was detected were 17.7-26.4°C and 9.9-34.3, respectively, whereas those of nitrate and phosphate concentrations were not detectable-96.2 and 0.18-2.66 µM, respectively. Thus, the sites at which this species is found are characterized by a narrow range of temperature, but wide ranges of salinity and concentrations of nitrate and phosphate. The highest abundance of the vegetative cells of B. adriatica was 41.7 cells mL -1 , which was recorded in Jinhae Bay in July 2018. In Jinhae Bay, the abundance of vegetative cells was significantly positively correlated with the concentration of nitrate, but was negatively correlated with salinity. On the basis of these findings, it appears that the abundance of B. adriatica vegetative cells shows strong seasonality, and in Jinhae Bay, could be affected by the concentrations of nitrate.

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