Abstract
The effect of a molecular oxygen atmosphere on protoplast culture, compared with normal cultural procedures, was investigated for tomato, rice and jute protoplast systems. Protoplasts, in unsealed Petri dishes were cultured in a sealed 250 ml volume container in which the atmosphere was replaced with sterile molecular oxygen (O2 100% v/v) achieved by a one minute oxygen flow (10 mBar). Controls were cultured in a similar way but with a normal atmosphere (20.5% v/v oxygen). For all three species a major improvement in plating efficiency and colony formation was observed in the oxygen-enriched atmospheres. In the case of rice, cultivar Taipei 309, a significant increase in plant regeneration capacity, from protoplast-derived colonies, was observed for the high oxygen cultures.
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Abbreviations
- MES:
-
2-N-morpholinoethane sulfonic acid
- PE:
-
plating efficiency
Reference
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Communicated by N. Amrhein
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Vaz, E.B.d., Slamet, I.H., Khatun, A. et al. Protoplast culture in high molecular oxygen atmospheres. Plant Cell Reports 11, 416–418 (1992). https://doi.org/10.1007/BF00234373
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DOI: https://doi.org/10.1007/BF00234373