Silica biomineralisation in diatoms: The model organism Thalassiosira pseudonana

Sumper, Manfred and Brunner, Eike (2008) Silica biomineralisation in diatoms: The model organism Thalassiosira pseudonana. CHEMBIOCHEM, 9 (8). pp. 1187-1194. ISSN 1439-4227

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Abstract

After complete genome sequencing, the diatom Thalassiosira pseudonana has become an attractive model organism for silica biomineralisation studies. Recent progress, especially with respect to intracellular silicic acid processing, as well as to the natures of the biomolecules involved in diatom cell wall formation, is described. On the one hand, considerable progress has been mode with respect to silicon uptake by special proteins (SITs) from the surrounding water, as well as to the storage and processing of silicon before cell division. On the other hand, the discovery and characterisation of remarkable biomolecules such as silaffins, polyomines and-quite recently-of silacidins in the siliceous cell walls of diatoms strongly impacts the growing field of biomimetic materials synthesis.

Item Type: Article
Uncontrolled Keywords: DEMOSPONGE SUBERITES-DOMUNCULA; LONG-CHAIN POLYAMINES; BIOGENIC SILICA; ELECTROSTATIC INTERACTIONS; BIOMIMETIC SILICIFICATION; CYLINDROTHECA-FUSIFORMIS; NANOSPHERE FORMATION; ACID POLYMERIZATION; PHASE-SEPARATION; MARINE DIATOMS; biomineralisation; diatoms; polyamines; polyanions; silaffins; silica
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Biology, Preclinical Medicine > Institut für Biochemie, Genetik und Mikrobiologie > Alumni or Retired > Prof. Dr. Manfred Sumper
Depositing User: Petra Gürster
Date Deposited: 14 Jan 2021 15:24
Last Modified: 14 Jan 2021 15:24
URI: https://pred.uni-regensburg.de/id/eprint/30883

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