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Langer, Gerald (2014): Experiment: Growth rates and percentages of normal versus malformed versus incomplete versus incomplete and malformed coccoliths. doi:10.1594/PANGAEA.829716,
Supplement to: Langer, Gerald; de Nooijer, Lennart Jan; Oetjen, Kerstin (2010): On the role of the cytoskeleton in coccolith morphogenenesis: the effect of cytoskeleton inhibitors. Journal of Phycology, 46(6), 1252-1256, doi:10.1111/j.1529-8817.2010.00916.x

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The coccolithophore Emiliania huxleyi (Lohmann) W. W. Hay et H. Mohler was cultured in natural seawater with the addition of either the microtubule-inhibitor colchicine, the actin-inhibitor cytochalasin B, or the photosynthesis inhibitor 3-(3,4 dichlorophenyl)-1,1-dimethyl-urea (DCMU). Additionally, E. huxleyi was cultured at different light intensities and temperatures. Growth rate was monitored, and coccolith morphology analyzed. While every treatment affected growth rate, the percentage of malformed coccoliths increased with colchicine, cytochalasin B, and at higher than optimal temperature. These results represent the first experimental evidence for the role of microtubules and actin microfilaments in coccolith morphogenesis.
#NameShort NameUnitPrincipal InvestigatorMethodComment
1VariableVariableLanger, Gerald
2TreatmentTreatmLanger, Gerald
3Growth rateµ#/dayLanger, Gerald
4Growth rate, standard deviationµ std dev±Langer, Gerald
5Coccoliths, normalCocco norm%Langer, Gerald
6Coccoliths, normal, standard deviationCocco norm std dev±Langer, Gerald
7Malformation rateMalformation%Langer, Gerald
8Malformation rate, standard deviationMalformation std dev±Langer, Gerald
9Coccoliths, incompleteCocco incomplete%Langer, Gerald
10Coccoliths, incomplete, standard deviationCocco incomplete std dev±Langer, Gerald
11Coccoliths, malformed and incompleteCocco malformed%Langer, Gerald
12Coccoliths, malformed and incomplete, standard deviationCocco malformed std dev±Langer, Gerald
204 data points

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