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Marine Polysaccharide Networks and Diatoms at the Nanometric Scale (CROSBI ID 195950)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Svetličić, Vesna ; Žutić, Vera ; Pletikapić, Galja ; Mišić Radić, Tea Marine Polysaccharide Networks and Diatoms at the Nanometric Scale // International journal of molecular sciences, 14 (2013), 10; 20064-20078. doi: 10.3390/ijms141020064

Podaci o odgovornosti

Svetličić, Vesna ; Žutić, Vera ; Pletikapić, Galja ; Mišić Radić, Tea

engleski

Marine Polysaccharide Networks and Diatoms at the Nanometric Scale

Despite many advances in research on photosynthetic carbon fixation in marine diatoms, the biophysical and biochemical mechanisms of extracellular polysaccharide production remain significant challenges to be resolved at the molecular scale in order to proceed toward an understanding of their functions at the cellular level, as well as their interactions and fate in the ocean. This review covers studies of diatom extracellular polysaccharides using atomic force microscopy (AFM) imaging and the quantification of physical forces. Following a brief summary of the basic principle of the AFM experiment and the first AFM studies of diatom extracellular polymeric substance (EPS), we focus on the detection of supramolecular structures in polysaccharide systems produced by marine diatoms. Extracellular polysaccharide fibrils, attached to the diatom cell wall or released into the surrounding seawater, form distinct supramolecular assemblies best described as gel networks. AFM makes characterization of the diatom polysaccharide networks at the micro and nanometric scales and a clear distinction between the self-assembly and self-organization of these complex systems in marine environments possible.

atomic force microscopy; marine diatoms; extracellular polymeric substance; extracellular polysaccharides; marine gel network; self assembly; self-organization; Cylindrotheca closterium; Bacteriastrum jadranum; northern Adriatic Sea

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Podaci o izdanju

14 (10)

2013.

20064-20078

objavljeno

1422-0067

10.3390/ijms141020064

Povezanost rada

Geologija, Kemija, Biologija

Poveznice
Indeksiranost