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  • Artikel: DFG Deutsche Nationallizenzen  (2)
  • Key words Tobacco  (1)
  • cecum  (1)
  • 1
    ISSN: 1432-2242
    Schlagwort(e): Key words Tobacco ; Pseudomonas syringae pv. tabaci ; Transformation ; Resistance ; Inheritance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract  Six oriental cultivars of tobacco (Nicotiana tabacum L.) were evaluated for transformation and foreign gene expression. Leaf-disc explant tissue was transformed with Agrobacterium tumefaciens strain LBA4404 carrying the plasmid pARK21, which contains NPTII gene and ttr (tabtoxin resistance) gene conferring the resistance to Pseudomonas syringae pv. tabaci. The disease resistance of regenerated plants and segregation of this trait up to R7 progeny were investigated in a greenhouse and under field conditions. Our results indicated that the resistance to Pseudomonas syringae pv. tabaci introduced by transformation is heritable.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Journal of applied phycology 5 (1993), S. 207-211 
    ISSN: 1573-5176
    Schlagwort(e): alginates ; cecum ; cholesterol ; excretion ; food efficiency ; ingestion ; rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The effects of three forms of alginate (free acid, sodium and calcium salts) on ingestion and excretion of cholesterol in the rat were studied. For two weeks, Male Sprague-Dawley rats were fed a cholesterol-rich diet containing 3% alginate from the brown alga Ascophyllum nodosum. The food efficiency of the three types of alginate was: Na-alginate 〉 Ca-alginate 〉 alginic acid. A significant increase in the weight of cecum was also observed in alginate diets. Alginate was not effective in preventing the elevation of serum total cholesterol levels, although irregularly changing patterns were observed. The cholesterol level of liver showed a tendency to decrease with alginate feeding, while fecal excretion of cholesterol increased.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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