Growth and endoglucanase activity of Acetivibrio cellulolyticus grown in three different cellulosic substrates

C. Sanchez, C. S. Peres, H. R. Barbosa
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引用次数: 10

Abstract

The growth kinetics of Acetivibrio cellulolyticus grown in medium containing different carbon sources (cellobiose, amorphous or crystalline cellulose) was investigated. The specific growth rate was higher in cellobiose fed cultures than in the presence of the other two substrates. Endoglucanase production was greater in cultures grown on amorphous cellulose; enzyme activity increased during the stationary phase in cultures grown on crystalline cellulose.
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三种不同纤维素基质中溶纤维素活性弧菌的生长和内切葡聚糖酶活性
研究了溶纤维素活性弧菌在不同碳源(纤维素二糖、无定形和结晶纤维素)培养基中的生长动力学。以纤维素糖为饲料的培养物比其他两种基质的培养物的特定生长率更高。在无定形纤维素上培养的内切葡聚糖酶产量较大;在结晶纤维素培养物的固定阶段,酶活性增加。
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