Abstract
Cultured cells and somatic embryos derived from the mesophyll tissue of asparagus (Asparagus officinalis L.) were cryopreserved by vitrification. The vitrification solution (PVS) contains (w/v) 22% glycerol, 15% ethylene glycol, 15% propylene glycol and 7% DMSO in Murashige-Skoog medium enriched with 0.5M sorbitol. After initial cryoprotection with sorbitol supplemented MS medium containing 12% ethylene glycol, cells or embryos were exposed stepwise to 85% PVS at 0°C. They were loaded into 0.5 ml transparent straws, and were then plunged directly into liquid nitrogen. After rapid warming, PVS was removed and diluted stepwise. The highest survivals of vitrified cells and embryos were about 65 and 50%, respectively. Surviving embryos developed into plantlets.
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Abbreviations
- DMSO:
-
dimetyl sulfoxide
- PVS:
-
vitrification solution
- LN:
-
liquid nitrogen
- DSC:
-
differential scanning calorimeter
- MS:
-
Murashige-Skoog salt medium
- NAA:
-
naphthalene acetic acid
- BA:
-
6-benzyladenine
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Communicated by F. Constabel
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Uragami, A., Sakai, A., Nagai, M. et al. Survival of cultured cells and somatic embryos of Asparagus officinalis cryopreserved by vitrification. Plant Cell Reports 8, 418–421 (1989). https://doi.org/10.1007/BF00270083
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DOI: https://doi.org/10.1007/BF00270083