On the role of the cytoskeleton in coccolith morphogenesis: the effect of cytoskeleton inhibitors

Langer, Gerald, de Nooijer, Lennart Jan and Oetjen, Kerstin (2010) On the role of the cytoskeleton in coccolith morphogenesis: the effect of cytoskeleton inhibitors Journal of Phycology, 46 (6). pp. 1252-1256. DOI 10.1111/j.1529-8817.2010.00916.x.

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Abstract

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.

Document Type: Article
Keywords: biomineralization; coccolith morphogenesis; coccolithophores; colchicine; cytochalasin B; cytoskeleton; ALGA EMILIANIA-HUXLEYI; MINERAL DEPOSITION; CALCIFICATION; BIOMINERALIZATION; MECHANISM; ULTRASTRUCTURE; CARTERAE; CALCITE; ORIGIN; GROWTH
Refereed: Yes
DOI etc.: 10.1111/j.1529-8817.2010.00916.x
ISSN: 0022-3646
Projects: BIOACID
Date Deposited: 09 Nov 2012 13:58
Last Modified: 09 Nov 2012 13:58
URI: http://oceanrep.geomar.de/id/eprint/19157

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