新生犬小肠黏膜中β-半乳糖苷酶的存在及分布
The presence and distribution of beta-galactosidases in the small intestinal mucosa of the neonatal dog.
作者信息
Hart I R, Kidder D E
出版信息
Res Vet Sci. 1977 Jul;23(1):91-6.
PMID:410088
Abstract
The beta-galactosidase activity of the small intestinal mucosa of the neonatal dog has been studied over the pH range 3-0 - 5-8 using different substrates and in the presence and absence of p-chloromercuribenzoate. Partial separation of two beta-galactosidases has been achieved by gel filtration. The results suggest that three beta-galactosidases, comparable with those in other mammals, exist in canine small intestinal mucosa.
摘要
利用不同底物，在有无对氯汞苯甲酸存在的情况下，研究了新生犬小肠黏膜在pH值3.0至5.8范围内的β-半乳糖苷酶活性。通过凝胶过滤实现了两种β-半乳糖苷酶的部分分离。结果表明，犬小肠黏膜中存在三种与其他哺乳动物相当的β-半乳糖苷酶。
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