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Abstract ▼ AI-Helper

The possibility that DNA could move out of the single cells isolated from geranium (Pelargonium zonale hybrids, 'PintoScarlet') callus was determined by the elechophoretic DNA analysis after treatment of low pH, various concentrations of KNO$_3$, 2,4-D, and GA$_3$ followed by t...

The possibility that DNA could move out of the single cells isolated from geranium (Pelargonium zonale hybrids, 'PintoScarlet') callus was determined by the elechophoretic DNA analysis after treatment of low pH, various concentrations of KNO$_3$, 2,4-D, and GA$_3$ followed by the centrifugal force, all of which are hewn to and the physico-chemical properties of the cell wall. The centrifugal force of l,800 xg was need for DNA migration after the above treatment, but 7k300 xg was required without the treatments. In this experiment the optimum concentration (300 mg/L) of sodium dodecyl sulfate (SDS) used as an anion detergent to collect the negatively charged DNA was very critical not to damage the cell wall It can be concluded that the centrifugal force played a key role for the DNA migration through the cell wall, and the treatments of low pH (4.0), 0.5% KNO$_3$, 1.5 mg/L GA$_3$and 1mg/L 2,4-D further increased the DNA migration.

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