Abstract
A total of 72 pre-selected strains of 19 species of marine fungi were tested for their ability to decompose sodium alginate, calcium alginate or freshly prepared calcium alginate gel. Active alginate decomposition was evident in 18 strains (25% of total tested). These belong to only three different species: Asteromyces cruciatus, Corollospora intermedia, and Dendryphiella salina. In broth culture, decomposition of sodium alginate by the two deuteromycetes was followed by gravimetric, electrometric, viscometric, photometric and chromatographic methods in order to characterize the alginase enzyme system and its degradation products. The alginase enzyme complex consisted of at least two different enzyme components: the already known alginate lyase (eliminase) and a new endo-alginate hydrolase. In summary, a model is presented on the alginase-mediated structural and molecular decomposition of sodium alginate by marine fungi.
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© 1990 Kluwer Academic Publishers
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Schaumann, K., Weide, G. (1990). Enzymatic degradation of alginate by marine fungi. In: Lindstrom, S.C., Gabrielson, P.W. (eds) Thirteenth International Seaweed Symposium. Developments in Hydrobiology, vol 58. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2049-1_86
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DOI: https://doi.org/10.1007/978-94-009-2049-1_86
Publisher Name: Springer, Dordrecht
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