Nuclear division in isolated protoplasts from cells of higher plants grown in vitro |
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Authors: | Tage Eriksson Kristina Jonasson |
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Institution: | (1) Institute of Physiological Botany, University of Uppsala, Sweden |
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Abstract: | Summary Protoplasts were isolated from cell suspensions of Haplopappus gracilis. The cell walls were degraded by the cellulase preparation Onozuka P 1500 at a concentration of 5%. Sorbitol was found to work well as osmotic stabilizer in concentrations of 0.4–0.6 M. The protoplasts were cultured in growth medium after isolation; 3–5% went through nuclear division once and less than 1% also for a second time. No nuclear fusion was observed. |
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