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  • Articles: DFG German National Licenses  (3)
  • Field evaluation  (2)
  • Cyclosporin A  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Field evaluation of tetraploid somatic potato hybrids (1994)
    Springer
    Theoretical and applied genetics 88 (1994), S. 147-152 
    Details
    ISSN: 1432-2242
    Keywords: Solanum tuberosum ; Somatic hybrids ; Field evaluation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Tetraploid somatic hybrids, derived from ten different fusion combinations, were grown in the field to study the inheritance of quantitatively-controlled agronomic traits. The data from two seasons showed that the heterosis in yield varied between 70% and 230% compared to the mid-parent value of the dihaploid fusion clones. The relative yield of the hybrids compared to two standard varieties (= 100%) ranged from 47% to 106%. Despite large differences in yield between the single hybrids of the same fusion combination, no significant differences could be detected between the hybrids. The analysis of the yield components revealed that the heterosis was mainly due to a highly increased tuber weight, whereas the tuber number was in general intermediate to that of the parent clones. In three combinations, the starch content of the hybrids was 15–20% higher than the midparent value and in the others it was intermediate. Fusion of clones with long oval tubers and with round or round-oval ones showed the round/round-oval form was dominant. Fusion combinations of tuber flesh colour indicated that in most cases yellow was dominant to white, while red skin colour was dominant over yellow.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225890
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    267. Hyperparathyreoidismus nach Nierentransplantation unter Immunsuppression mit Cyclosporin A (1985)
    Springer
    Langenbeck's archives of surgery 366 (1985), S. 674-674 
    Details
    ISSN: 1435-2451
    Keywords: Renal transplantation ; Cyclosporin A ; Hyperparathyroidism ; Nierentransplantation ; Cyclosporin A ; Hyperparathyreoidismus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Patienten mit Parathyreoidektomie nach erfolgreicher Nierentransplantation wurden klinischer Verlauf and Laborwerte analysiert and hinsichtlich der Immunsuppression miteinander verglichen (Azathioprinn=6/Cyclosporin An=9). Die Cyclosporin-Gruppe zeigte ausgepräg-te Hypercalcaemie, Hypophosphataemie, Anstieg von alkalischer Phosphatase and Parathormon and erhöhte Cyclosporin-Blutspiegel. Eine Interaktion zwischen Cyclosporin A and Parathormon wird vermutet, die die Rückbildung des sekundären Hyperparathyreoidismus hemmt and so eine hochaktive renale Osteopathie unterhält.
    Notes: Summary Clinical course and laboratory tests were analyzed in patients with parathyroidectomy after successful renal transplantation and compared with respect to type of immunosuppression [azathioprine (n=6) versus cyclosporin A (n=9)j. The cyclosporin group showed marked hypercalcemia, hypophosphatemia, increase of alkaline phosphatase and parathormone, and elevated cyclosporin blood levels. We suspect that there is an interaction between cyclosporin A and parathormone that inhibits the regression of secondary hyperparathyroidism, thus leading to highly active renal osteopathy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01836865
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Interaction between cytoplasmic composition and yield parameters in somatic hybrids of S. tuberosum L. (1994)
    Springer
    Theoretical and applied genetics 89 (1994), S. 873-878 
    Details
    ISSN: 1432-2242
    Keywords: Potato ; Somatic fusion ; Cytoplasm Starch ; Variability ; Field evaluation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The nuclear and cytoplasmic composition of five different fusion combinations, consisting of up to 50 hybrid regenerants each, was characterized by RFLP analysis. Simultaneously, the hybrid clones of four fusion combinations were evaluated in field experiments for yield and starch content. Predominantly complete chloroplast segregation was found with a 1∶1 ratio, in all but one fusion combination. Mitochondria, in contrast revealed up to 75% recombination, as proven by the partial addition of parental banding patterns and the altered assignment of the same genotypes with different probes. Newly occuring DNA bands were also indicative of rearrangements in the mitochondrial genome. Correlations between RFLP data and field parameters were calculated. Deviating RFLP patterns of the nuclear genome did not influence yield parameters. Also the assignment of hybrids to different chloroplast genotypes did not affect yield or starch content. However, mitochondrial types could be distinguished with respect to starch content and tuber yield. The more thorough analysis of mitochondrial composition, with different probes homologous to coding regions, revealed a relationship between the homogeneity of the mt genome and the yield level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224512
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    Paper (German National Licenses)
    Fulltext
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