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

Using Percoll density gradient centrifugation after treatment of the postnuclear supernatant (PNS) with 1 mM Ca2+ to swell and lighten mitochondria, we isolated highly purified lysosomes (dextranosomes) in high yield (25%) from the livers of rats to which dextran had been administered. The lysosomal fraction obtained by this method was enriched more than 100-fold in N-acetyl-beta-glucosaminidase and arylsulfatase and 40-fold in acid phosphatase and beta-glucosidase. Electron microscopic examination and measurement of marker enzyme activity for various subcellular organella indicated that the lysosomal fraction was essentially free from contamination by other organella. Flavins, ubiquinones, and hemochromes were found on lysosomal membranes and investigated. The FAD and ubiquinone-9 contents of the purified lysosomal membranes were 0.118 and 6.93 nmol/mg of protein, respectively. Hemochromes in lysosomes showed spectra similar to that of a b-type cytochrome, with the alpha-peak at 562 nm and the gamma-peak at 436 nm.
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PMID:Isolation of highly purified lysosomes from rat liver: identification of electron carrier components on lysosomal membranes. 166 46

A bacterial strain (designated KMY03T) that possesses beta-glucosidase activity was isolated from soil from a ginseng field in South Korea and was characterized in order to determine its taxonomic position. The bacterium was found to comprise Gram-negative, rod-shaped, motile cells with unipolar polytrichous flagella. On the basis of 16S rRNA gene sequence similarity, strain KMY03T was shown to belong to the family Burkholderiaceae of the Betaproteobacteria, being most closely related to Burkholderia caledonica LMG 19076T (97.8%), Burkholderia terricola LMG 20594T (97.5%), Burkholderia xenovorans LMG 21463T (97.4%) and Burkholderia phytofirmans LMG 22146T (97.3%). Chemotaxonomic data (major ubiquinone, Q-8; major fatty acids, C17:0 cyclo, C16:0, C19:0 cyclo omega8c and summed feature 2) supported the affiliation of the novel strain with the genus Burkholderia. The results of DNA-DNA hybridizations and physiological and biochemical tests allowed the strain to be differentiated genotypically and phenotypically from Burkholderia species with validly published names. On the basis of these data, strain KMY03T represents a novel species of the genus Burkholderia, for which the name Burkholderia ginsengisoli sp. nov. is proposed. The type strain is KMY03T (=KCTC 12389T=NBRC 100965T).
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PMID:Burkholderia ginsengisoli sp. nov., a beta-glucosidase-producing bacterium isolated from soil of a ginseng field. 1708 85