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Temperature-Dependent Photoregulation in Oceanic Picophytoplankton During Excessive Irradiance Exposure [chapter]

Gemma Kulk, Pablo de, Willem H. van de Poll, Ronald J., Anita G. J. Bum
2013 Photosynthesis  
In short, filters were freezedried for 48 h and pigments were extracted in 3 ml 90% acetone (v/v, 48 h, 4 °C).  ...  In Ostreococcus sp., the de-epoxidation of the xanthophyll pigment cycle mainly included the de-epoxidation of violaxanthin to antheraxanthin, whereas the de-epoxidation of antheraxanthin to zeaxanthin  ... 
doi:10.5772/55256 fatcat:p3i7pa72xvhzriepjlxcuzmx5m

Photophysiology of nitrate limited phytoplankton communities in Kongsfjorden, Spitsbergen

Gemma Kulk, Willem H. van de Poll, Anita G. J. Buma
2018 Limnology and Oceanography  
de Poll et al.  ...  de Poll et al.  ... 
doi:10.1002/lno.10963 fatcat:bqhhqlevwbc7bf6fjqivm7knyq

Massive Southern Ocean phytoplankton bloom fed by iron of possible hydrothermal origin

Casey M S Schine, Anne-Carlijn Alderkamp, Gert van Dijken, Loes J A Gerringa, Sara Sergi, Patrick Laan, Hans van Haren, Willem H van de Poll, Kevin R Arrigo
2021 Nature Communications  
DFe samples were collected and filtered (Sartorius®, 0.2 μm; Satrobran 300) in a trace metal clean van.  ...  Samples for POC analysis were filtered onto precombusted (450°C for 4 h) 25 mm Whatman GF/F filters.  ... 
doi:10.1038/s41467-021-21339-5 pmid:33619262 fatcat:dhupkh6qqzeqhc3mzs7bumlnzy

UVR-induced photoinhibition of summer marine phytoplankton communities from Patagonia

Virginia E. Villafañe, Paul J. Janknegt, Marco de Graaff, Ronald J. W. Visser, Willem H. van de Poll, Anita G. J. Buma, E. Walter Helbling
2008 Marine Biology  
This is contribution number 112 of the Estación de Fotobiología Playa Unión. The experiments comply with the current Argentinean laws.  ...  de Poll et al. 2006) .  ...  It has been previously determined that these compounds increase photoprotection during exposure to high PAR and UVR (Demers et al. 1991; Kudoh et al. 2003; Mohovic et al. 2006; van de Poll et al. 2006  ... 
doi:10.1007/s00227-008-0993-0 fatcat:5k3tyexhrzbanp62a5xyenlsie

Microglial Activation After Systemic Stimulation With Lipopolysaccharide and Escherichia coli

Inge C. M. Hoogland, Dunja Westhoff, Joo-Yeon Engelen-Lee, Jeroen Melief, Mercedes Valls Serón, Judith H. M. P. Houben-Weerts, Inge Huitinga, David J. van Westerloo, Tom van der Poll, Willem A. van Gool, Diederik van de Beek
2018 Frontiers in Cellular Neuroscience  
Time points for collecting tissues differ between LPS injected mice (t = 3 h and t = 48 h) and for E. coli injected mice (t = 20 h, t = 48 h, and t = 72 h).  ...  Number of Iba-1 positive microglial cell bodies per group (NaCl: n = 13, NaCl+Ceft: n = 7, LPS 3 h: n = 5, LPS 48 h: n = 5, E. coli 20 h: n = 8, E. coli+Ceft 48 h: n = 6, E. coli+Ceft 72 h: n = 6), in  ...  Copyright © 2018 Hoogland, Westhoff, Engelen-Lee, Melief, Valls Serón, Houben-Weerts, Huitinga, van Westerloo, van der Poll, van Gool and van de Beek.  ... 
doi:10.3389/fncel.2018.00110 pmid:29755322 pmcid:PMC5932388 fatcat:mjnocbe6vfcf3pa4pluwkhr4a4

Low nutrient availability reduces high-irradiance-induced viability loss in oceanic phytoplankton

Gemma Kulk, Willem H. van de Poll, Ronald J. W. Visser, Anita G. J. Buma
2013 Limnology and Oceanography  
H. Van de Poll et al. 2013) .  ...  H. Van de Poll et al. unpubl.) .  ... 
doi:10.4319/lo.2013.58.5.1747 fatcat:zdagvaod2ndtxhin5kgm4otjni

Acclimation to a dynamic irradiance regime changes excessive irradiance sensitivity ofEmiliania huxleyiandThalassiosira weissflogii

Willem H. van de Poll, Ronald J. W. Visser, Anita G. J. Buma
2007 Limnology and Oceanography  
de Poll et al. 2005 van de Poll et al. , 2006 .  ...  de Poll et al.  ... 
doi:10.4319/lo.2007.52.4.1430 fatcat:vedri6uyyvf75ltz4rnq7vikhy

Liver Volumetry Plug and Play: Do It Yourself with ImageJ

Simon A. W. G. Dello, Ronald M. van Dam, Jules J. G. Slangen, Marcel C. G. van de Poll, Marc H. A. Bemelmans, Jan Willem W. M. Greve, Regina G. H. Beets-Tan, Stephen J. Wigmore, Cornelis H. C. Dejong
2007 World Journal of Surgery  
Dello and Ronald M. van Dam contributed equally to the realization of the study and the manuscript and share first authorship.  ... 
doi:10.1007/s00268-007-9197-x pmid:17726630 pmcid:PMC2039862 fatcat:qsvzy7ovzbgmdn6d33xpwmyczq

Impact of the antifouling agent Irgarol 1051 on marine phytoplankton species

Anita G.J. Buma, Sascha B. Sjollema, Willem H. van de Poll, Hans J.C. Klamer, Joop F. Bakker
2009 Journal of Sea Research  
EC 50 concentrations for growth, effective quantum yield of PSII and viability were calculated from dose response relationships established during 72 h exposures to six Irgarol concentrations.  ...  Bellert and K. van de Ven are acknowledged for providing information on Irgarol and the RIKZ monitoring program.  ...  Veldman for practical assistance and M.K. de Boer for providing F. japonica cultures. B.  ... 
doi:10.1016/j.seares.2008.11.007 fatcat:ej3lndszvnglplg4v3u3wdgrji

OXIDATIVE STRESS RESPONSES IN THE MARINE ANTARCTIC DIATOMCHAETOCEROS BREVIS(BACILLARIOPHYCEAE) DURING PHOTOACCLIMATION1

Paul J. Janknegt, Willem H. van de Poll, Ronald J. W. Visser, Jan W. Rijstenbil, Anita G. J. Buma
2008 Journal of Phycology  
The highest PSII efficiency was measured in LL cultures (average F v ⁄ F m = 0.7), consistent with values obtained previously (van de Poll et al. 2005 (van de Poll et al. , 2006 .  ...  de Poll et al. 2006 .  ... 
doi:10.1111/j.1529-8817.2008.00553.x pmid:27041614 fatcat:2ql4ex4qs5dblplfl53qd2davy

Assessing Drivers of Coastal Primary Production in Northern Marguerite Bay, Antarctica

Patrick D. Rozema, Gemma Kulk, Michiel P. Veldhuis, Anita G. J. Buma, Michael P. Meredith, Willem H. van de Poll
2017 Frontiers in Marine Science  
Sean de Graaf and Wendy Bollen are thanked for their help with running and processing the HPLC samples and data. This research was funded by the Dutch Polar Programme (866.10.105).  ...  A study examining cultured Arctic representatives of these three groups suggest a dependency on temperature; haptophytes only grew faster under higher temperatures (Van de Poll, unpublished data).  ...  For analysis, samples were freeze dried for 48 h prior to extraction in 90% acetone (v/v) at 4 • C in the dark for another 48 h.  ... 
doi:10.3389/fmars.2017.00184 fatcat:zsxmoj2klvhfxll4tyxqglzjke

Distinct differences in photoacclimation potential between prokaryotic and eukaryotic oceanic phytoplankton

Gemma Kulk, Willem H. van de Poll, Ronald J.W. Visser, Anita G.J. Buma
2011 Journal of Experimental Marine Biology and Ecology  
., 1998; Van de Poll et al., 2005) .  ...  Irradiance treatments were carried out in a U-shaped lamp setup as described by Van de Poll et al. (2007) .  ... 
doi:10.1016/j.jembe.2010.12.011 fatcat:c5zgz4lbzzahlddmf4owgzhuoq

NUTRIENT LIMITATION AND HIGH IRRADIANCE ACCLIMATION REDUCE PAR AND UV-INDUCED VIABILITY LOSS IN THE ANTARCTIC DIATOM CHAETOCEROS BREVIS (BACILLARIOPHYCEAE)1

Willem H. van de Poll, Maria A. van Leeuwe, Jan Roggeveld, Anita G. J. Buma
2005 Journal of Phycology  
WILLEM H. VAN DE POLL ET AL.  ...  WILLEM H. VAN DE POLL ET AL. FIG. 2 . 2 First experimental series.  ... 
doi:10.1111/j.1529-8817.2005.00105.x fatcat:5vseb52kk5bipcsrqbb36ov7na

Excessive irradiance and antioxidant responses of an Antarctic marine diatom exposed to iron limitation and to dynamic irradiance

Willem H. van de Poll, P.J. Janknegt, M.A. van Leeuwe, R.J.W. Visser, A.G.J. Buma
2009 Journal of Photochemistry and Photobiology. B: Biology  
F v /F m and xanthophyll de-epoxidation dynamics during excessive irradiance were not different for iron-limited and replete cells and viability loss was not found during excessive irradiance.  ...  The dynamic irradiance set-up was as described in van de Poll et al. [4] .  ...  de Poll et al  ... 
doi:10.1016/j.jphotobiol.2008.09.003 pmid:18948012 fatcat:t4xtd3vn6je5xnhldhcultf2bi

Short-term antioxidative responses of 15 microalgae exposed to excessive irradiance including ultraviolet radiation

Paul J. Janknegt, C. Marco De Graaff, Willem H. Van De Poll, Ronald J. W. Visser, Jan W. Rijstenbil, Anita G. J. Buma
2009 European journal of phycology  
Janknegt et al. 526 PAR, 42 W m À2 UVA and 0.47 W m À2 UVB) as in Van de Poll et al. (2005) , 5 h after the beginning of light period.  ...  Measurements for Fv/Fm, calculated as (F m -F 0 )/Fm were performed according to Van de Poll et al. (2007) and Janknegt et al. (2007) .  ... 
doi:10.1080/09670260902943273 fatcat:hnfhz6tuz5gd7k6x4fxdzfaxf4
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