Alginase in the Sea Urchin Strongylocentrotus purpuratus

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Science  23 Jan 1959:
Vol. 129, Issue 3343, pp. 214-215
DOI: 10.1126/science.129.3343.214


Viscosimetric evidence of alginase activity is given for the intestine and the intestinal contents of a sea urchin. The alginase activity of the gut wall and that of the contents of the gut differ in pH optima; this suggests that there may be two sources of alginase. The enzyme (or enzymes) depolymerizes algin.