Abstract

Mycoplasma mycoides subsp. capri utilised maltose in medium lacking serum and hence serum saccharolytic enzymes. The presence of α-glucosidase activity was demonstrated by p-nitrophenyl-α-d-glucoside hydrolysis in toluene-treated cells. Specific activities were approx. 4-fold higher in cells grown in the presence of maltose than in cells grown with other sugars or with glucose plus maltose. Extracellular activity was < 2% of cellular activity in growing cultures. α-Glucosidase activity was also demonstrated in cells grown in medium containing serum. It is suggested that the presence of α-glucosidase might be of value in mycoplasma chatacterisation; in a previous study, α-glucosidase activity was not detected in Mycoplasma mycoides subsp. mycoides.

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