Extracellular Enzymatic Activities inAureobasidium Pullulans

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Abstract
One hundred and ninety-eight strains of Aureobasidium pullulans were screened for their ability to release extracellular hydrolytic enzymes into the cutural medium. Most of the isolates produced, to a varying extent, enzymes such as amylase, lipase (with different fats as substrates), protease (as caseinolysis and gelatin liquefaction), nucleases (ribonuclease and deoxyribonuclease), urease, and phosphatase. Neither cellulase nor chitinase were produced. Since some enzymes showed a high level of activity, A. pullulans could possibly be considered a promising source of extracellular lytic enzymes.