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  • 1980-1984  (3)
  • Fern  (1)
  • Pteridophyta  (1)
  • Ultrastructure  (1)
  • Capparis spinosa
  • 1
    Electronic Resource
    Electronic Resource
    Effects of TA [4-ethoxy-1-(p-tolyl)-s-triazine-2,6-(1H, 3H)-dione] on growth, antheridium differentiation and gibberellin uptake of gametophytes ofAnemia phyllitidis L. Sw. (1984)
    Springer
    Cellular and molecular life sciences 40 (1984), S. 1258-1259 
    Details
    ISSN: 1420-9071
    Keywords: Fern ; Anemia phyllitidis ; antheridium differentiation ; TA (4-ethoxy-1-(p-tolyl)-s-triazine-2,6-(1H, 3H)-dione) ; gibberellin uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Synergistic effects of TA on gibberellin-dependent reactions in spermatophytes are not detectable in gametophytes of the fernAnemia phyllitidis where gibberellin substitutes for antheridiogens with regard to induction of male sexual organs and dark germination. In this archegoniate TA caused a significant reduction in growth rate and morphogenesis of the gametophytes, inhibitions that were not abolished by simultaneous application of gibberellin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946662
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Translation and transcription in imbibed and germinating spores of Anemia phyllitidis L.Sw. (1984)
    Springer
    Planta 161 (1984), S. 451-458 
    Details
    ISSN: 1432-2048
    Keywords: Anemia (fern) ; Germination (mRNA) ; Pteridophyta ; Spore (germination) ; Translation ; Transcription
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Induction of germination by gibberellin or light is not a prerequisite for protein and RNA synthesis in spores of A. phyllitidis. Imbibed but non-induced spores of this fern show a high rate of translation as well as appreciably transcription of all RNA types. The pattern of in-vitro translation of polyadenylated RNA present in the dry spore corresponds with the in-vivo translation products under non-inductive conditions. New proteins are not detectable among the in-vitro and in-vivo translation products until 48 h after a germination stimulus. Although the dark imbibition of spores is accompanied by a reduction in the lengths of polyadenylated tracts of the stored mRNA, this fraction is characterized by a remarkable stability which is undoubtedly a prerequisite for the high viability of these fern spores. The importance of these results for the general meaning of stored mRNA in spore and seed germination processes is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00394577
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of metronidazole on growth, chloroplast structure and differentiation in gametophytes ofAnemia phyllitidis L. Sw. (1982)
    Springer
    Protoplasma 113 (1982), S. 144-149 
    Details
    ISSN: 1615-6102
    Keywords: Anemia phyllitidis ; Chloroplast ; Gametophyte ; Metronidazole ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Metronidazole inhibits cell division in gametophytes of the fernAnemia phyllitidis without changing morphogenetic patterns. Simultaneously the sensitivity of the prothallia against gibberellins which substitute for the natural sexual pheromone “antheridiogen A”, is increased. The inhibition of cell division is accompanied by a loss of chlorophyll and by severe changes in the ultra-structure of the chloroplasts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01282004
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    Paper (German National Licenses)
    Fulltext
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