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  • Cytokinin production by species of the fungus Taphrina

    Creator:
    Johnston, James Clelland
    Abstract:
    Chemically defined liquid media were devised which supported excellent growth of Taphrina cerasi and T. deformans. When grown in fermentation culture vessels, T. cerasi and T. deformans released cytokinins into the liquid media. The presence of these cell division factors was demonstrated with the soybean tissue assay which is specific...
    Resource Type:
    Dissertation

  • Cytokinin production by Agrobacterium tumefaciens

    Creator:
    Kaiss-Chapman, Richard Wilkinson
    Abstract:
    Certain plant-associated prokaryotes such as Corynebacteriurn fascians and Agrobacterium tumefaciens are known to produce substantial levels of cytokinins. In view of the fragmentary and presumptive evidence available on the quantitative and qualitative levels of cytokinins produced by A. tumefaciens, it was decided to conduct a study of the cytokinins produced...
    Resource Type:
    Dissertation

  • Dissecting induction of cell cleavage

    Creator:
    Alsop, G. Bradley
    Abstract:
    Cytokinesis separates replicated chromosomes and cytoplasm into two daughter cells. In animal cells, this is achieved by the formation of a cleavage furrow that bisects the mitotic (or meiotic) spindle. It is known that the mitotic apparatus defines the cell cleavage plane. However, it is not clear how the mitotic...
    Resource Type:
    Dissertation