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Keywords Disease name and synonyms AMP deaminase AMP deaminase deficiency Diagnosis criteria-definition Differential diagnosis Prevalence Clinical description Management Etiology Diagnostic methods Unresolved questions References Abstract There are two types of adenosine monophosphate deaminase deficiency. Myoadenylate deaminase deficiency is an inherited disorder of muscular energy metabolism ...
A combination of several enzymes, RNase-T1, nuclease S1, T4-polynucleotide kinase and T4-RNA ligase were used to prepare and modify different fragments of yeast tRNAAsp (normal anticodon G U C). This allowed us to reconstitute, in vitro, a chimeric tRNA that has any of the four bases G, A, U or C, as the first anticodon nucleotide, labelled with (32p) in its 3' position. Such reconstituted (32p...
To study the origins of airborne particulate organic matter in southern Ontario, molecular marker concentrations were studied at Hamilton, Simcoe, and York Gateway Tunnel, representing industrial, rural, and heavy traffic sites, respectively. Airborne particulate matter smaller than 10 μm in aerodynamic diameter was collected on quartz filters, and the collected samples were analyzed for total ...
The antibody access to some conserved structures on the HIV-1 envelope glycoprotein (Env) is sterically restricted. We have hypothesized that the smallest independently folded antibody fragments (domains) could exhibit exceptionally potent and broadly cross-reactive neutralizing activity by targeting hidden conserved epitopes that are not accessible by larger antibodies. To test this hypothesis...
Heterogeneity among ribosomal operons in Vibrio vulnificus is purported as a probabilistic indicator of strain virulence and classifies V. vulnificus strains as 16S rRNA genes type A and B. In this study, 16S rRNA genes typing of V. vulnificus strains isolated from the Valencia city coast, in the western Mediterranean, showed that 24 out of 30 isolates were type A, one was type B and five could...
Fusion proteins of many viruses, including HIV-1 envelope protein (Env), fold into six-helix bundle structures. Fusion between individual Env-expressing cells and target cells was studied by fluorescence microscopy, and a temperature jump technique, to determine whether folding of Env into a bundle is complete by the time fusion pores have formed. Lowering temperature to 4 degrees C immediately...
RNA polymerases (Pol) II and III synthesize eukaryotic mRNAs and tRNAs, respectively. The crystal structure of the 12 subunit Pol II is known, but only limited structural information is available for the 17 subunit Pol III. Using mass spectrometry (MS), we correlated masses of Pol II complexes with the Pol II structure. Analysis of Pol III showed that the complete enzyme contains a single copy ...
In this paper we compute nutrient-expenditure elasticities for two macro nutrients (calories and protein) and five micro nutrients (calcium, thiamine, riboflavin, calcium and iron) using an all India sample of rural households for 1994. We show that in each case the respective elasticities are positive and significant. This lends support to our hypothesis that an increase in income would increa...
Metabolomic discovery of biomarkers of type 2 diabetes (T2D) risk may reveal etiological pathways and help to identify individuals at risk for disease. We prospectively investigated the association between serum metabolites measured by targeted metabolomics and risk of T2D in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Potsdam (27,548 adults) among all incident cases...
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