Polymer Networks Produced by Marine Diatoms in the Northern Adriatic Sea

Marine Drugs

Vesna Svetličić¹  Vera Žutić¹  Tea Mišić Radić¹  Galja Pletikapić¹  Amela Hozić Zimmermann¹ 

[1] Division for Marine and Environmental Research, Ruđer Bošković Institute, Bijenička 54, Zagreb, Croatia; E-Mails:

关键词: Cylindrotheca closterium;    atomic force microscopy;    Northern Adriatic macroaggregates;    extracellular polysaccharides;    marine gel network;    self-assembly;   

DOI  :  10.3390/md9040666

来源: mdpi

【 摘 要 】

Using high resolution molecular technique of atomic force microscopy, we address the extracellular polymer production of Adriatic diatom Cylindrotheca closterium analyzed at the single cell level and the supramolecular organization of gel phase isolated from the Northern Adriatic macroaggregates. Our results revealed that extracellular polysaccharides freshly produced by marine diatoms can self-assemble directly to form gel network characteristics of the macroscopic gel phase in the natural aquatorium. Based on the experiments performed with isolated polysaccharide fractions of C. closterium and of macroaggregates gel phase, we demonstrated that the polysaccharide self-assembly into gel network can proceed independent of any bacterial mediation or interaction with inorganic particles.

【 授权许可】

CC BY   
© 2011 by the authors; licensee MDPI, Basel, Switzerland.