1985 Volume 49 Issue 6 Pages 1727-1731
Cryostorage is one suitable method to preserve various desired types of cells. However, all cells do not survive after storage in liquid nitrogen. This suggests the possibility that the properties of the cells which survive after the storage differ from those of the unfrozen original cells.
Therefore, we did the same freeze-thaw procedure of cultured green Lavandula vera cells over again and compared the metabolic and the differentiation potentials of the cells which survived after the repeated freeze-thaw procedures with those of the unfrozen original cells. The results we found were that the frequency of colony formation of the cells which survived after the procedures was high, but that the biosynthetic capability for biotin and the differentiation potentials such as chloroplast formation and plantlet formation of the cells were equal to those of the unfrozen original cells. Cryostorage of cells in liquid nitrogen is discussed in terms of the preservation of various desired types of cells.
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