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Peer reviewed
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Kusaykin, M. I.; Chizhov, A. O.; Grachev, A. A.; Alekseeva, S. A.; Bakunina, I. Yu; Nedashkovskaya, O. I.; Sova, V. V.; Zvyagintseva, T. N.
Journal of applied phycology, 10/2006, Volume: 18, Issue: 3-5Journal Article
Specificities of actions of fucoidanases from the marine microorganism Pseudoalteromonas citrea KMM 3296 and the marine mollusk Littorina kurila were studied. The enzymes possess similar specificities and catalyze the cleavage of accessible alpha -(1 arrow right 3)-fucoside bonds in fucoidans with highly sulfated alpha -(1 arrow right 4; 1 arrow right 3)-L-fucooligosaccharides. A high degree of sulfation of the fucose residues in fucoidans makes alpha -(1 arrow right 3)-L-fucoside bonds inaccessible for the action of the studied enzymes. The maximum degree of cleavage of fucoidan was achieved by the fucoidanase from the marine bacterium Pseudoalteromonas citrea KMM 3296.
