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Effect of salinity on the bioluminescence intensity of the heterotrophic dinoflagellates Noctiluca scintillans and Polykrikos kofoidii and the autotrophic dinoflagellate Alexandrium mediterraneum : Effect of salinity on the bioluminescence intensity of the heterotrophic dinoflagellates <i>Noctiluca scintillans</i> and <i>Polykrikos kofoidii</i> and the autotrophic dinoflagellate <i>Alexandrium mediterraneum</i>

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Authors

Park, Sang Ah; Jeong, Hae Jin; Ok, Jin Hee; Kang, Hee Chang; You, Ji Hyun; Eom, Se Hee; Yoo, Yeong Du; Lee, Moo Joon

Issue Date
2024-06
Publisher
Springer Verlag
Citation
Marine Biology, Vol.171 No.6, p. 126
Abstract
Many dinoflagellate species are bioluminescent, which is one of the anti-predation mechanisms in these species. In addition, dinoflagellate species experience a wide range of salinities in the ocean. However, the effects of salinity on their bioluminescence intensity has only been investigated for one species. Here, we explored the effect of salinity on the bioluminescence intensity of the heterotrophic dinoflagellate Noctiluca scintillans NSDJ2010 feeding on the chlorophyte Dunaliella salina, the heterotrophic dinoflagellate Polykrikos kofoidii PKJH1607 feeding on the dinoflagellate Alexadrium minutum, and the autotrophic dinoflagellate Alexandrium mediterraneum AMYS1807. Moreover, to determine the cell volume and growth effects on bioluminescence intensity, the cell volume and growth rate of three bioluminescent dinoflagellates were simultaneously investigated. The mean 200-s-integrated bioluminescence intensity (BL) per cell, equivalent to the total bioluminescence, of N. scintillans, P. kofoidii, and A. mediterraneum was significantly affected by salinity and increased with increasing salinity from 10 to 40. The results of the present study suggest that the total bioluminescence of N. scintillans, P. kofoidii, and A. mediterraneum in offshore and oceanic waters is greater than that in estuarine waters.
ISSN
0025-3162
URI
https://hdl.handle.net/10371/204203
DOI
https://doi.org/10.1007/s00227-024-04440-3
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  • College of Natural Sciences
  • Department of Earth and Environmental Sciences
Research Area Aquatic Microbial Ecology, Biological Oceanography, Plankton

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