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  • mutagenesis  (2)
  • Brachystegia spiciformis  (1)
  • Cape  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Leaf quality of Sesbania sesban, Leucaena leucocephala and Brachystegia spiciformis: potential agroforestry species
    Amsterdam : Elsevier
    Forest Ecology and Management 64 (1994), S. 259-264 
    Details
    ISSN: 0378-1127
    Keywords: Brachystegia spiciformis ; Leaf quality ; Leucaena leucocephala ; Nutrient content ; Sesbania sesban
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0378-1127(94)90300-X
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Patterns of plant species diversity in fynbos vegetation, South Africa (1980)
    Springer
    Plant ecology 43 (1980), S. 43-47 
    Details
    ISSN: 1573-5052
    Keywords: Cape ; Fire ; Mediterranean ecosystem ; Sclerophyllous shrubland ; Species diversity ; Succession
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In fynbos vegetation of the southwestern Cape Province, South Africa, plant species diversity relations (alpha and beta diversity) are studied in a local context of variation across two interacting gradients, a temporal gradtent (age after fire) and an altitudinal gradient. Alpha diversity is lower in the older fynbos at high and low altitudes. This can be related to the nature of succession in fynbos. The lowest alpha diversity occurs in the low altitude old vegetation. This appears to occur because of the decrease of understory cover due to overtopping by tall shrubs and tall restioids. Beta diversity is due more to the altitude factor than to fire. This can also be related to the nature of fynbos succession. In general the trends shown by alpha and beta diversity can be explained with reference to fynbos succession, the regenerating strategies after fire (seed vs. vegetative) and the effect of the overstory on the understory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00121016
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Prospects for a small molecule able to induce somatic growth through the growth hormone receptor (1999)
    Springer
    International journal of peptide research and therapeutics 6 (1999), S. 353-357 
    Details
    ISSN: 1573-3904
    Keywords: cytokine receptor ; dimerization ; growthhormone ; mutagenesis ; small mimetic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract This article reviews the prospects for a small-molecule agonist of the growth hormone receptor in the light of current successes in identifying small agonist molecules for other homomeric class 1 cytokine receptors. A variety of mutagenic analyses on both hormone and receptor, studies with monoclonal antibody agonists of the GH receptor, and the use of a constitutively dimerized GH receptor chimera which displays constitutive activity lead us to believe that such a development is possible. However, it is likely that a precise alignment of the lower cytokine receptor homology domains will be necessary in order to facilitate cross-activation of cytoplasmic Janus kinases bound to Box 1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008985304640
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Prospects for a small molecule able to induce somatic growth through the growth hormone receptor (1999)
    Springer
    International journal of peptide research and therapeutics 6 (1999), S. 353-357 
    Details
    ISSN: 1573-3904
    Keywords: cytokine receptor ; dimerization ; growth hormone ; mutagenesis ; small mimetic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary This article reviews the prospects for a small-molecule agonist of the growth hormone receptor in the light of current successes in identifying small agonist molecules for other homomeric class 1 cytokine receptors. A variety of mutagenic analyses on both hormone and receptor, studies with monoclonal antibody agonists of the GH receptor, and the use of a constitutively dimerized GH receptor chimera which displays constitutive activity lead us to believe that such a development is possible. However, it is likely that a precise alignment of the lower cytokine receptor homology domains will be necessary in order to facilitate cross-activation of cytoplasmic Janus kinases bound to Box 1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02443432
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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