Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure

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Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure. / Leung, Priscilla T. Y.; Yi, Andy Xianliang; Ip, Jack C. H.; Mak, Sarah; Leung, Kenneth M. Y.

In: Marine Pollution Bulletin, Vol. 124, No. 2, 30.11.2017, p. 938-945.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Leung, PTY, Yi, AX, Ip, JCH, Mak, S & Leung, KMY 2017, 'Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure', Marine Pollution Bulletin, vol. 124, no. 2, pp. 938-945. https://doi.org/10.1016/j.marpolbul.2017.03.038

APA

Leung, P. T. Y., Yi, A. X., Ip, J. C. H., Mak, S., & Leung, K. M. Y. (2017). Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure. Marine Pollution Bulletin, 124(2), 938-945. https://doi.org/10.1016/j.marpolbul.2017.03.038

Vancouver

Leung PTY, Yi AX, Ip JCH, Mak S, Leung KMY. Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure. Marine Pollution Bulletin. 2017 Nov 30;124(2):938-945. https://doi.org/10.1016/j.marpolbul.2017.03.038

Author

Leung, Priscilla T. Y. ; Yi, Andy Xianliang ; Ip, Jack C. H. ; Mak, Sarah ; Leung, Kenneth M. Y. / Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure. In: Marine Pollution Bulletin. 2017 ; Vol. 124, No. 2. pp. 938-945.

Bibtex

@article{956c69dfb14241e7a717eb84b8f92c11,
title = "Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure",
abstract = "A 96-h exposure experiment was conducted to elucidate the toxicity responses of the marine diatom Thalassiosira pseudonana upon exposure to different temperatures and copper (Cu) concentrations. Three Cu treatments (seawater control; 200μg/L Cu, EC50 for the yield at 25°C; and 1000μg/L Cu, EC50 for growth inhibition at 25°C) were conducted against four temperatures (10°C, 15°C, 25°C and 30°C). Growth rate and photosynthetic responses showed a significant interacting thermal-chemical effect with strong synergistic responses observed at 30°C treatments. Expression of heat shock protein (hsp) was positively modulated by increasing temperatures. Hsp 90, hsp90-2 and sit1 (related to silica shell formation) were highly expressed at 30°C under 1000μg/L Cu, while the genes encoding light harvesting proteins (3HfcpA and 3HfcpB) and silaffin precursor sil3 were significantly up-regulated at 15°C under 200μg/L Cu. Our results indicated an increase Cu toxicity to T. pseudonana under high temperature and Cu dose.",
keywords = "Copper, Heat shock protein, Marine diatom, Photosynthesis, Thalassiosira, Thermal stress",
author = "Leung, {Priscilla T. Y.} and Yi, {Andy Xianliang} and Ip, {Jack C. H.} and Sarah Mak and Leung, {Kenneth M. Y.}",
year = "2017",
month = nov,
day = "30",
doi = "10.1016/j.marpolbul.2017.03.038",
language = "English",
volume = "124",
pages = "938--945",
journal = "Marine Pollution Bulletin",
issn = "0025-326X",
publisher = "Elsevier",
number = "2",

}

RIS

TY - JOUR

T1 - Photosynthetic and transcriptional responses of the marine diatom Thalassiosira pseudonana to the combined effect of temperature stress and copper exposure

AU - Leung, Priscilla T. Y.

AU - Yi, Andy Xianliang

AU - Ip, Jack C. H.

AU - Mak, Sarah

AU - Leung, Kenneth M. Y.

PY - 2017/11/30

Y1 - 2017/11/30

N2 - A 96-h exposure experiment was conducted to elucidate the toxicity responses of the marine diatom Thalassiosira pseudonana upon exposure to different temperatures and copper (Cu) concentrations. Three Cu treatments (seawater control; 200μg/L Cu, EC50 for the yield at 25°C; and 1000μg/L Cu, EC50 for growth inhibition at 25°C) were conducted against four temperatures (10°C, 15°C, 25°C and 30°C). Growth rate and photosynthetic responses showed a significant interacting thermal-chemical effect with strong synergistic responses observed at 30°C treatments. Expression of heat shock protein (hsp) was positively modulated by increasing temperatures. Hsp 90, hsp90-2 and sit1 (related to silica shell formation) were highly expressed at 30°C under 1000μg/L Cu, while the genes encoding light harvesting proteins (3HfcpA and 3HfcpB) and silaffin precursor sil3 were significantly up-regulated at 15°C under 200μg/L Cu. Our results indicated an increase Cu toxicity to T. pseudonana under high temperature and Cu dose.

AB - A 96-h exposure experiment was conducted to elucidate the toxicity responses of the marine diatom Thalassiosira pseudonana upon exposure to different temperatures and copper (Cu) concentrations. Three Cu treatments (seawater control; 200μg/L Cu, EC50 for the yield at 25°C; and 1000μg/L Cu, EC50 for growth inhibition at 25°C) were conducted against four temperatures (10°C, 15°C, 25°C and 30°C). Growth rate and photosynthetic responses showed a significant interacting thermal-chemical effect with strong synergistic responses observed at 30°C treatments. Expression of heat shock protein (hsp) was positively modulated by increasing temperatures. Hsp 90, hsp90-2 and sit1 (related to silica shell formation) were highly expressed at 30°C under 1000μg/L Cu, while the genes encoding light harvesting proteins (3HfcpA and 3HfcpB) and silaffin precursor sil3 were significantly up-regulated at 15°C under 200μg/L Cu. Our results indicated an increase Cu toxicity to T. pseudonana under high temperature and Cu dose.

KW - Copper

KW - Heat shock protein

KW - Marine diatom

KW - Photosynthesis

KW - Thalassiosira

KW - Thermal stress

UR - http://www.scopus.com/inward/record.url?scp=85016466847&partnerID=8YFLogxK

U2 - 10.1016/j.marpolbul.2017.03.038

DO - 10.1016/j.marpolbul.2017.03.038

M3 - Journal article

C2 - 28365019

AN - SCOPUS:85016466847

VL - 124

SP - 938

EP - 945

JO - Marine Pollution Bulletin

JF - Marine Pollution Bulletin

SN - 0025-326X

IS - 2

ER -

ID: 178742174