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Biomolecules 2018, 8(4), 98; https://doi.org/10.3390/biom8040098

Fucoidan Sulfatases from Marine Bacterium Wenyingzhuangia fucanilytica CZ1127T

1
Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
2
School of Natural Sciences, Far-Eastern Federal University, 8, Sukhanova, st., 690091 Vladivostok, Russia
*
Authors to whom correspondence should be addressed.
Received: 28 August 2018 / Revised: 14 September 2018 / Accepted: 14 September 2018 / Published: 21 September 2018
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Abstract

Fucoidans belong to a structurally heterogeneous class of sulfated polysaccharides isolated from brown algae. They have a wide spectrum of biological activities. The complex structures of these polysaccharides hinder structure-activity relationships determination. Fucoidan sulfatases can make useful tools for the determination of the fine chemical structure of fucoidans. In this study, identification and preparation of two recombinant sulfatases able to catalyze the cleavage of sulfate groups from fragments of fucoidan molecules is described for the first time. Two genes of sulfatases swf1 and swf4 of the marine bacterium Wenyingzhuangia fucanilytica CZ1127T were cloned and the proteins were produced in Escherichia coli cells. Sulfatases SWF1 and SWF4 are assigned to S1_17 and S1_25 subfamilies of formylglycine-dependent enzymes of S1 family (SulfAtlas). Some molecular and biochemical characteristics of recombinant fucoidan sulfatases have been studied. Detailed specificity and catalytic features of sulfatases were determined using various sulfated fucooligosaccharides. Structures of products produced by SWF1 and SWF4 were established by nuclear magnetic resonance (NMR) spectroscopy. Based on the obtained data, the enzymes are classified as fucoidan exo-2O-sulfatase (SWF1) and fucoidan exo-3O-sulfatase (SWF4). In addition, we demonstrated the sequential action of sulfatases on 2,3-di-O-sulfated fucooligosacchrides, which indicates an exolitic degradation pathway of fucoidan by a marine bacterium W. fucanilytica CZ1127T. View Full-Text
Keywords: bacterium Wenyingzhuangia fucanilytica CZ1127T; sulfated polysaccharides; fucoidan degradation; fucoidan catabolism; sulfated fucooligosaccharides; carbohydrate-sulfatases; fucoidan sulfatases; substrate specificity; 2O- and 3O-sulfatases bacterium Wenyingzhuangia fucanilytica CZ1127T; sulfated polysaccharides; fucoidan degradation; fucoidan catabolism; sulfated fucooligosaccharides; carbohydrate-sulfatases; fucoidan sulfatases; substrate specificity; 2O- and 3O-sulfatases
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Silchenko, A.S.; Rasin, A.B.; Zueva, A.O.; Kusaykin, M.I.; Zvyagintseva, T.N.; Kalinovsky, A.I.; Kurilenko, V.V.; Ermakova, S.P. Fucoidan Sulfatases from Marine Bacterium Wenyingzhuangia fucanilytica CZ1127T. Biomolecules 2018, 8, 98.

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