Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.21 (beta-glucosidase)
 3,280 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Optimal assay conditions are described for 8 hydrolases of Euglena gracilis var. bacillaris, SM-L1 (streptomycin-bleached) strain, 7 of which have an acid pH-optimum. Acid-phosphatase, beta-galactosidase, beta-glucosidase, b-fucosidase, cathepsin D, RNase, DNase, and an esterase are active in cell homogenates. Amylase has very low activity, and beta-glucuronidase, arylsulfatase, beta, N-acetyl-glucosaminidase, alpha-fucosidase, and alpha- and beta-mannosidase are inactive.
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PMID:Hydrolytic enzymes of Euglena gracilis: characterization and activity as a function of culture age and carbon deprivation. 0 4

An enzymatic profile of 20 strains of Pseudomonas maltophilia was undertaken with conventional plate tests, API ZYM, and 4-methylumbelliferyl-conjugated substrates. All strains produced DNase, RNase, arbutinase, esterases and lipases, mucinase, acid and alkaline phosphatases, alkaline pyrophosphate diesterase, phosphoamidase, beta-glucosidase, leucine arylamidase, and acetatase and were hemolytic for horse, sheep, and rabbit blood. The majority of strains produced chitinase, hyaluronidase, albuminase, valine arylamidase, trypsin, alpha- and beta-glucosidases, and N-acetyl-beta-glucosaminidase. API ZYM and 4-methylumbelliferyl-conjugated substrate assays are rapid, simple, specific, and sensitive and may be useful as diagnostic aids in the identification of P. maltophilia and other pseudomonads.
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PMID:Enzymatic profile of Pseudomonas maltophilia. 681 50

Membranes were prepared from tissues of the carp Ctenopharynogodon idellus including liver, kidney, intestine, adipose tissue, ovary, gill, heart, muscle and spleen. The carp liver and intestine membranes bound 125I-labeled bovine growth hormone and the binding could be displaced by cold bovine growth hormone. No changes in the ability to bind 125I-labeled bovine growth hormone occurred after treatment of the carp liver membrane with DNase, RNase, alpha-amylase and beta-glucosidase, suggesting that neither nucleic acids nor carbohydrates played an important part in the hepatic binding of growth hormone. Treatment of carp liver membranes with either chymotrypsin or trypsin produced a decrease in the growth hormone binding activity, indicating that the growth hormone receptor on carp liver membrane is a protein. Treatment of carp liver membranes with p-chloromercuribenzoate brought about a reduction in 125I-bGH binding. The inhibition could be reversed by dithioerythritol, suggesting the involvement of essential sulfhydryl group in bGH binding.
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PMID:Presence of growth hormone receptors in carp liver and intestine. 849 May 77

Ten Basidiobolus ranarum (= Basidiobolus haptosporus) strains, isolated from faeces of 102 different lower vertebrates (ectotherms) exhibited in Antwerp Zoo, or from their environment were studied for their temperature requirements, haemolysis and other enzyme activities in vitro. All isolates grew well at 25 and 37 degrees C. Three strains that produced undulated zygospore walls were haemolytic and positive for hyaluronidase. All the isolates produced urease, N-acetyl-beta-glucosaminidase, trypsin, lipase, lecithinase, gelatinase, collagenase and elastase, but failed to produce amylase, keratinase and beta-glucosidase. Three isolates failed to produce phosphatase. Only one strain failed to produce DNase. Aesculin was not hydrolysed. Chitinase activity was inconclusive. The results of this study illustrate the importance of exotic animals kept in temperate regions as carriers of potentially pathogenic organisms. In addition to the morphological characteristics, the identification can be based on enzymatic profiles. Enzymatic activity detection may help to explain the pathogenic mechanism of the fungus.
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PMID:Isolation of Basidiobolus ranarum from ectotherms in Antwerp zoo with special reference to characterization of the isolated strains. 1042 99

On the basis of phenotypic and genotypic characteristics, a novel species belonging to the genus Pedobacter is described. A facultatively psychrophilic, Gram-negative, aerobic, rod-shaped strain, A37(T), was isolated from alpine glacier cryoconite. The non-flagellated and non-spore-forming isolate grew over a temperature range of 1-25 degrees C, showed activities of oxidase, catalase, DNase, protease (gelatin, casein), amylase, beta-glucosidase, beta-galactosidase and beta-lactamase and degraded oil hydrocarbons. A distinct optimum temperature of 15 degrees C was observed for both protease production and oil hydrocarbon biodegradation. Analysis of 16S rDNA revealed that strain A37(T) represents a distinct taxon within PEDOBACTER: DNA from strain A37(T) showed only 19.7 % genetic relatedness to the DNA of Pedobacter piscium. The DNA G+C content was 43.4 mol%. Dominant fatty acids (51 %) were iso-15 : 0 2-OH and 16 : 1omega7c. The strain is assigned to a novel Pedobacter species, for which the name Pedobacter cryoconitis sp. nov. is proposed, with A37(T) (=DSM 14825(T)=LMG 21415(T)) as the type strain.
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PMID:Pedobacter cryoconitis sp. nov., a facultative psychrophile from alpine glacier cryoconite. 1313 9