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  • Galactoglucomannan-derived oligosaccharides  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of galactoglucomannan-derived oligosaccharides on elongation growth of pea and spruce stem segments stimulated by auxin (1995)
    Springer
    Planta 196 (1995), S. 420-424 
    Details
    ISSN: 1432-2048
    Keywords: 2,4-Dichlorophenoxyacetic acid ; Elongation growth ; Galactoglucomannan-derived oligosaccharides ; Picea ; Pisum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Galactoglucomannan-derived oligosaccharides (GGMOs) (degree of polymerization 4–8) isolated from the wood of poplar (Populus monilifera Ait.) were shown to be inhibitors of the 2,4-dichlorophenoxyacetic acid-stimulated elongation growth of pea (Pisum sativum L. cv. Tyrkys) and spruce [Picea abies (L.) Karst] stem segments. A dependence on the concentration of GGMOs (between 10-5-10-10M) as well as plant species was ascertained. Pea stem segments were much more sensitive (10-10M) than spruce (10-8M). The GGMOs did not exhibit toxicity even at high concentrations and during long-term bioassays. The timing of the action of GGMOs and auxin in the growth process was also studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203638
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Biological activity of galactoglucomannan-derived oligosaccharides (1995)
    Springer
    Planta 196 (1995), S. 425-429 
    Details
    ISSN: 1432-2048
    Keywords: Callus ; Galactoglucomannan-derived oligosaccharides ; Morphogenesis ; Picea ; Protoplast ; Viability ; Zygotic embryo
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A mixture of galactoglucomannan-derived oligosaccharides (GGMOs), degree of polymerization 4–8, (≈1.2 μM and ≈12 μM) stimulated the viability of spruce [Picea abies (L.) Karst] embryos predominately on media supplemented with indole-3-acetic acid: zeatin (0.01∶1, 1∶0.01 mg · 1-1), at pH 5.O. Their effects on the development and morphogenesis of embryos were dependent on the culture conditions used. These GGMOs also improved the viability of spruce protoplasts when applied at the same concentrations in combination with 1-naphthaleneacetic acid, and to a lesser extent with 2,4-dichlorophenoxyacetic acid at pH 3.8. Viability was also maintained in the presence of GGMOs when the growth hormones were absent; however, the efficiency of protoplast division was low.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203639
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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