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  • 1
    Electronic Resource
    Electronic Resource
    Metabolic shifts in Zymomonas mobilis in response to growth conditions (1988)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 54 (1988), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Extensive work on ethanol production with the Gram-negative bacterium Zymomonas mobilis has revealed that this is a promising microorganism for industrial use. Concise knowledge of the physiology and metabolism of this organism provides the basis for further improvements by genetic engineering and for the optimization of Zymomonas-specific fermentation processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1988.tb02739.x
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  • 2
    Electronic Resource
    Electronic Resource
    Pyruvate decarboxylase from Zymomonas mobilis. Isolation and partial characterization (1986)
    Springer
    Archives of microbiology 146 (1986), S. 105-110 
    Details
    ISSN: 1432-072X
    Keywords: Pyruvate decarboxylase ; Zymomonas mobilis ; Purification ; Molecular weight ; Isoelectric point ; Cofactor dissociation ; Immunological studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pyruvate decarboxylase (EC 4.1.1.1) from the ethanol producing bacterium Zymomonas mobilis was purified to homogeneity. This enzyme is an acidic protein with an isoelectric point of 4.87 and has an apparent molecular weight of 200,000±10,000. The enzyme showed a single band in sodium dodecylsulfate gel electrophoresis with a molecular weight of 56,500±4,000 which indicated that the enzyme consists of four probably identical subunits. The dissociation of the cofactors Mg2+ and thiamine pyrophosphate at pH 8.9 resulted in a total loss of enzyme activity which could be restored to 99.5% at pH 6.0 in the presence of both cofactors. For the apoenzyme the apparent K m values for Mg2+ and thiamine pyrophosphate were determined to be 24 μM and 1.28 μM. The apparent K m value for the substrate pyruvate was 0.4 mM. Antiserum prepared against this purified pyruvate decarboxylase failed to crossreact with cell extracts of the reportedly pyruvate decarboxylase positive bacteria Sarcina ventriculi, Erwinia amylovora, or Gluconobacter oxydans, or with cell extracts of Saccharomyces cerevisiae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402334
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  • 3
    Electronic Resource
    Electronic Resource
    SU(2) lattice gauge theory: Standard action versus Symanzik's tree-improved action (1985)
    Springer
    Communications in mathematical physics 97 (1985), S. 31-58 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract We carry out Monte Carlo simulations of the 4d SU(2) lattice gauge theory. The standard action and the Symanzik tree-improved action are used. Results for the string tension, glueball masses, and energy-momentum dispersion are reported. In case of the standard action our results are a finite size study extending previous investigations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01206177
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Platelet pathology in minimal curve idiopathic scoliosis: An attempt to predict curve progression (1987)
    Hoboken, NJ [u.a.] : Wiley-Blackwell
    Journal of Orthopaedic Research 5 (1987), S. 330-336 
    Details
    ISSN: 0736-0266
    Keywords: Platelet pathology ; Idiopathic scoliosis ; Curve progression ; Prediction ; Discriminative analysis ; Life and Medical Sciences
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Platelets from adolescents with minimal curve scoliosis (mcs) (7-18?) and healthy control subjects were examined for morphometry under the electron microscope and tested for calcium content and surface negative charge. These parameters have previously been found to be abnormal in severe idiopathic scoliosis (is) patients. Significantly more patients than control subjects showed deviations from normal in all tests. Two tests in particular, the average number of dense bodies per cell and an increased surface negative charge, were the most frequent abnormalities. In an attempt to assess the possibility of using platelet tests for prediction of curve progression, statistical comparisons were made and discriminant scores were generated for each patient. The results were compared with the clinical findings after a 2-to 3.5-year follow-up. The predictions proved to be incorrect although each of the five patients who had curve progression had some platelet abnormality. It is concluded that although platelet pathology does occur in early idiopathic scoliosis, it cannot be used as a prognostic indicator of curve progression.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jor.1100050304
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