Large Luminous Plankton in Bioluminescence Peaks in the Black Sea

Temnykh, Alexandra; Silakov, M. I.; Melnik, Alexandr

doi:10.1134/s1063074022040113

Cited by 2 publications

(3 citation statements)

References 2 publications

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“…Therefore, during red tides, their abundance in surface waters often becomes extremely high (Mohamed andMesaad 2007, Padmakumar et al 2010, National Institute of Fisheries Science, Korea 2024). Patches of red tide of N. scintillans emit a glowing blue light at night, which is easily visible to the naked eye (Padmakumar et al 2010, Temnykh et al 2022. In contrast, the maximum abundance of P. kofoidii and A. mediterraneum in Korean waters used in the estimation of its BL popul was as high as 3.22 × 10 5 and 1.17 × 10 4 cells L -1 , respectively.…”

Section: Discussionmentioning

confidence: 97%

“…The heterotrophic dinoflagellate Noctiluca scintillans often causes the occurrence of red tides which glow at night (Padmakumar et al 2010, Harrison et al 2011, Lotliker et al 2018, Valiadi et al 2019, Temnykh et al 2022. This dinoflagellate swims slowly and usually floats to the surface through large cell vacuoles filled with ammonium ions (Elbrächter andQi 1998, Tiselius andKiørboe 1998).…”

Section: Introductionmentioning

confidence: 99%

“…This dinoflagellate swims slowly and usually floats to the surface through large cell vacuoles filled with ammonium ions (Elbrächter andQi 1998, Tiselius andKiørboe 1998). Consequently, it forms very dense patches of red tides, seen as slicks, causing bright bioluminescence at night (Padmakumar et al 2010, Temnykh et al 2022. There has been one study on effects of water temperature on the cellular bioluminescence intensity of N. scintillans (Jess 1985).…”

Section: Introductionmentioning

confidence: 99%

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Estimation of bioluminescence intensity of the dinoflagellates Noctiluca scintillans, Polykrikos kofoidii, and Alexandrium mediterraneum populations in Korean waters using cell abundance and water temperature

Park,

Jeong,

et al. 2024

Algae

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Many dinoflagellates produce bioluminescence. To estimate the intensity of bioluminescence produced by populations of the heterotrophic dinoflagellates Noctiluca scintillans and Polykrikos kofoidii and autotrophic dinoflagellate Alexandrium mediterraneum in Korean waters, we measured cellular bioluminescence intensity as a function of water temperature and calculated population bioluminescence intensity with cell abundances and water temperature. The mean 200-second-integrated bioluminescence intensity per cell (BLcell) of N. scintillans satiated with the chlorophyte Dunaliella salina decreased continuously with increasing water temperature from 5 to 25°C. However, the BLcell of P. kofoidii satiated with the mixotrophic dinoflagellate Alexandrium minutum continuously increased from 5 to 15°C but decreased at temperatures exceeding this (to 30°C). Similarly, the BLcell of A. mediterraneum continuously increased from 10 to 20°C but decreased between 20 and 30°C. The difference between highest and lowest BLcell of N. scintillans, P. kofoidii, and A. mediterraneum at the tested water temperatures was 3.5, 11.8, and 21.0 times, respectively, indicating that water temperature clearly affected BLcell. The highest estimated population bioluminescence intensity (BLpopul) of N. scintillans in Korean waters in 1998–2022 was 4.22 × 1013 relative light unit per liter (RLU L-1), which was 1,850 and 554,000 times greater than that of P. kofoidii and A. mediterraneum, respectively. This indicates that N. scintillans populations produced much brighter bioluminescence in Korean waters than the populations of P. kofoidii or A. mediterraneum.

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Estimation of bioluminescence intensity of the dinoflagellates Noctiluca scintillans, Polykrikos kofoidii, and Alexandrium mediterraneum populations in Korean waters using cell abundance and water temperature

Park,

Jeong,

et al. 2024

Algae

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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

Park,

Jeong,

et al. 2024

Mar Biol

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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.

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Large Luminous Plankton in Bioluminescence Peaks in the Black Sea

Cited by 2 publications

References 2 publications

Estimation of bioluminescence intensity of the dinoflagellates Noctiluca scintillans, Polykrikos kofoidii, and Alexandrium mediterraneum populations in Korean waters using cell abundance and water temperature

Estimation of bioluminescence intensity of the dinoflagellates Noctiluca scintillans, Polykrikos kofoidii, and Alexandrium mediterraneum populations in Korean waters using cell abundance and water temperature

Effect of salinity on the bioluminescence intensity of the heterotrophic dinoflagellates Noctiluca scintillans and Polykrikos kofoidii and the autotrophic dinoflagellate Alexandrium mediterraneum

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