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  • 1990-1994  (2)
  • 1991  (1)
  • 1990  (1)
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  • 1990-1994  (2)
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  • 1991  (1)
  • 1990  (1)
  • 1993  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 82 (1991), S. 552-560 
    ISSN: 1432-2242
    Schlagwort(e): Zea mays L ; Two-dimensional electrophoresis ; Protein amount ; Genetic variability ; Heterosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary It has been suggested that molecular foundations of phenotypic diversity reside in the variability of genome expression. This variability can be appraised through the polymorphism of individual protein amounts (PAP: protein amount polymorphism). Eight maize inbred lines and ten of their single-cross hybrids were analyzed by two-dimensional polyacrylamide gel electrophoresis in order to examine the potential of PAP for predicting hybrid vigor. The 28 possible pairs of lines were characterized for: (i) the number, H of expected heterozygous structural loci in their hybrid, in the sample of loci revealed by 2D-PAGE; (ii) four distance indices based on PAP; (iii) the hybrid values for five agromorphological characters measured in four different year/locations. For the subset of ten hybrids analyzed by 2D-PAGE, the number of cases of nonadditive inheritance (NA) was also counted. Whereas H appeared to be related neither to the PAP indices, nor to NA, nor to hybrid performances, PAP indices were correlated to NA, and both were positively associated to hybrid performances. The possibility that PAP is responsible for quantitative trait variation is discussed. This could result in the definition of biological predictors of heterosis.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Neurological sciences 11 (1990), S. 57-59 
    ISSN: 1590-3478
    Schlagwort(e): Globoid cell leukodystrophy ; Krabbe disease ; CSF immunoglobulins
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Sommario Gli autori riportano lo studio clinico e biochimico di un caso di malattia di Krabbe tardiva. L'esordio acuto dei sintomi neurologici, dopo una affezione febbrile respiratoria, il profilo immunochimico del liquor con produzione locale di IgG e la risposta iniziale al trattamento con ACTH hanno fatto supporre una genesi infiammatoria. È stata tuttavia diagnosticata in seguito una malattia di Krabbe. Gli Autori discutono brevemente il significato di una possibile produzione di IgG nel Sistema Nervoso Centrale in questo caso.
    Notizen: Abstract During a febrile upper respiratory tract illness this 4 year old boy developed left hemiparesis, which progressed to loss of walking and even of sitting finally to tetraplegia. The cerebrospinal fluid protein pattern showed blood-brain barrier damage with additional intrathecal IgG synthesis. The symptoms responded to steroid therapy but resumed and worsened on withdrawal. Only late, when visual evoked potentials and nerve conduction velocity proved to be impaired, was Krabbe disease diagnosed on the assay of cultured fibroblasts for galactocerebroside-beta-galactosidase. We discuss the significance of possible endogenous production of IgG in the CNS.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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