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Biomineralization in diatoms mediated through peptide- and polyamine-assisted condensation of silica

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Pohnert,  G.
Department of Bioorganic Chemistry, MPI for Chemical Ecology, Max Planck Society;

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Citation

Pohnert, G. (2002). Biomineralization in diatoms mediated through peptide- and polyamine-assisted condensation of silica. Angewandte Chemie, International Edition in English, 41(17), 3167-3169. doi:10.1002/1521-3773(20020902)41:17<3167:AID-ANIE3167>3.0.CO;2-R.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0012-A2B7-8
Abstract
Directed precipitation of silicic acid during the formation of diatom cell walls is promoted by polyamines (see picture) and peptides. These species‐specific organic matrices, which direct the biomineralization process to amorphous SiO2, are accessible only after dissolution of the silica cell wall with hydrogen fluoride.