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    A chemostat for growing higher plant cells in single cell suspension cultures
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    Several techniques employing mechanical, chemical, or enzymatic methods have been suggested for the production of essentially single-cell plant suspension cultures. If single-cell cultures can be obtained, the effects of the media composition on growth can be unambiguously determined. Additionally, such cultures would be amenable to optical and electronic methods for rapidly determining cell mass, number, and volume and could easily be used in experiments on continuous cultivation. Most methods to produce single-cell cultures have been applied to only one or two species. In this paper, these techniques are compared when extended to cultures of Paul's Scarlet Rose (Rosa sp.) cells and soybean cells (Glycine max L.). It is concluded that no technique will generally give sustained disaggregation without affecting the apparent biochemical state of the culture.
    Suspension culture
    Suspension
    Plant cell
    Generality
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    The prelims comprise: Introduction Some General Conclusions and Suggestions Based on the Present Biotechnological Impact of Plant Cell Cultures as Producers Secondary Product Formation in Suspension Cultures Secondary Product Formation in Hairy Root Cultures Plant Tissue Cultures as a Source of New Chemicals? Biotransformations with Cultured Plant Cells Metabolic Engineering of Secondary Pathways in Cultured Cells Conclusions and Outlook
    Plant cell
    Suspension culture
    Secondary metabolism
    Hairy Root Culture
    Metabolic Engineering
    Plant tissue culture
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    PKZh means "device for liquid purity control". A possibility is considered to use the native PKZh type device for carrying out quantitative analyses of cellular suspension components, for routine bacterial suspension, agglutinated bacterial suspension and erythrocyte suspension. The flowing photometric principle of particle recording, used in the device, allows to analyse biological suspensions with small amounts of components. The device provides a differential count of some cells and their conglomerates in six dimensional ranges, within the frames of 1-25 micron or higher. The time consumption for one sample analysis is 10-15 seconds.
    Suspension
    Suspension culture
    Particle (ecology)
    Citations (0)
    Plant cell
    Suspension culture
    Secondary metabolism
    Hairy Root Culture
    Metabolic Engineering
    Citations (11)