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  • 1985-1989
  • 1975-1979  (2)
  • 1890-1899
  • 1978  (2)
  • Auxin  (1)
  • Fundulus heteroclitus  (1)
  • Melanosome translocation  (1)
Source
Material
Years
  • 1985-1989
  • 1975-1979  (2)
  • 1890-1899
Year
  • 1978  (2)
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Does indoleacetic acid promote growth via cell wall acidification? (1978)
    Springer
    Planta 140 (1978), S. 137-142 
    Details
    ISSN: 1432-2048
    Keywords: Auxin ; Cell elongation ; Proton secretion ; Triticum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Growth of Triticum aestivum L. cv. Cappelle Desprez coleoptiles is promoted by 5.7×10−5 M indole acetic acid (IAA) as effectively in pH 3.4 buffer as in water, but IAA is not effective in the presence of buffer at pH 3.0 or 3.2 A combination of 5.7×10−5 M IAA and pH 3.4 buffer promotes growth to a greater extent than pH 3.2 buffer alone, which is optimal for acid-induced growth. IAA employed at 10−7 M is still effective at promoting growth in the presence of pH 3.4 buffer, moreover, IAA at 10−7 M interacts synergistically with the acidic buffer to promote growth. It is concluded that IAA and acid promote growth via separate mechanisms, and that IAA does not promote cell wall loosening by rendering the cell wall more acid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00384912
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Actin microfilaments in melanophores of Fundulus heteroclitus (1978)
    Springer
    Cell & tissue research 193 (1978), S. 387-397 
    Details
    ISSN: 1432-0878
    Keywords: Microfilaments ; Actin ; Melanophores ; Melanosome translocation ; Fundulus heteroclitus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In melanophores of Fundulus heteroclitus, hormone-stimulated melanosome aggregation is accompanied by cytoplasmic flow from the cellular processes to the perikaryon, and reversal of these events takes place upon hormone-induced melanosome dispersion. These cells contain parallel arrays of microtubules, the majority of which are located in the perikaryon and in cortical regions of the processes. Studies with heavy meromyosin binding demonstrated two types of actin filaments: 1) a decorated meshwork of filaments similar to those usually found in close association with plasma membranes, and 2) filaments decorated in a manner similar to that of stress fibers. There is an apparent increase in the amount of filaments during melanosome aggregation. These results are discussed in relation to intracellular movement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225337
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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