Construction, Isolation and Implications of Repressor-galactosidase . ss-galactosidase Hybrid Molecules
نویسندگان
چکیده
منابع مشابه
Isolation and characterization of psychrophiles producing cold-active b-galactosidase
T. NAKAGAWA, Y. FUJ IMOTO, M. UCHINO, T . MIYAJ I , K . TAKANO AND N. TOMIZUKA. 2003. Aims: The present study was conducted to screen for psychrophilic micro-organisms that are able to hydrolyse lactose at low temperature, and to examine the cold-active b-galactosidase produced by the isolated psychrophilic micro-organisms. Methods and Results: Psychrophilic bacteria, which grow on lactose as a...
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Enzymes are the biocatalysts which catalyze the biochemical processes and thus have a wide variety of applications in the industrial sector. β-Galactosidase (E.C. 3.2.1.23) also known as lactase, is one of the prime enzymes, which has significant potential in the dairy and food processing industries. It has the capability to catalyze both the hydrolytic reaction for the production of lactose hy...
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Rat brain cerebrosidase was shown by centrifugal fractionation to be a lysosomal enzyme. The pH optimum was found to be 4.5. Taurocholate greatly stimulated its action. The addition of palmitic acid had little effect on the enzyme activity, but ceramide, sphingosine, and ceramide lactoside inhibited. Galactose, galactonolactone, and galactitol inhibited the enzyme, but the corresponding compoun...
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The galactoside bond in cerebroside was found to be cleaved by an enzyme in rat and pig brain. Emulsified stearoyl-(14)C psychosine was used as the substrate and the extent of cleavage was studied by isolating and counting the stearoyl sphingosine (ceramide) formed. The reaction products, ceramide and galactose, were characterized by column and thin-layer chromatography. Cerebroside containing ...
متن کاملDifferential expression of three alpha-galactosidase genes and a single beta-galactosidase gene from Aspergillus niger.
A gene encoding a third alpha-galactosidase (AglB) from Aspergillus niger has been cloned and sequenced. The gene consists of an open reading frame of 1,750 bp containing six introns. The gene encodes a protein of 443 amino acids which contains a eukaryotic signal sequence of 16 amino acids and seven putative N-glycosylation sites. The mature protein has a calculated molecular mass of 48,835 Da...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1977
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1977.tb11819.x