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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Protoplasma 131 (1986), S. 244-246 
    ISSN: 1615-6102
    Keywords: Calcium ion distribution ; Polar growth ; Pollen tube ; Quin-2 fluorescence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Using the fluorescent calcium probe Quin-2, we could demonstrate a tip-to-base gradient of free calcium within growing pollen tubes ofLilium longiflorum. This result shows that it is possible to visualize calcium ions using Quin-2 in plant cells which are surrounded by a cell wall and that the calcium gradients demonstrated by CTC fluorescence (indicating membrane-bound calcium) and PIXE (showing total calcium) is paralleled by a gradient of free calcium in pollen tubes.
    Type of Medium: Electronic Resource
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