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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 mediterraneumopen access

Authors
Park, Sang AhJeong, Hae JinOk, Jin HeeKang, Hee ChangYou, Ji HyunEom, Se HeeDu Yoo, YeongLee, Moo Joon
Issue Date
Jun-2024
Publisher
Springer Science and Business Media Deutschland GmbH
Keywords
Bioluminescence; Dinoflagellate; Red tide; Salinity
Citation
Marine Biology, v.171, no.6, pp 1 - 19
Pages
19
Indexed
SCIE
SCOPUS
Journal Title
Marine Biology
Volume
171
Number
6
Start Page
1
End Page
19
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/119013
DOI
10.1007/s00227-024-04440-3
ISSN
0025-3162
1432-1793
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. © The Author(s) 2024.
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