LABORATORY PROCEDURES FOR MICROORGANISMS
REFERENCE NO.: M/1998/2.04
TITLE: STORAGE OF ORIGINAL MATERIAL OF DEPOSITED STRAINS
Original culture material of a deposited strain should be maintained at least until after positive controls of permanent preservation methods. When appropriate, few straws or alternatively glass capillaries with material from the original culture received may be frozen in liquid nitrogen.
Great care must be taken to ensure as far as possible the originality of the cultures. Therefore, strains deposited are preserved with a minimum number of transfers. The type of the preservation method depends on the organism.
Guidelines prepared for CABRI by DSMZ, CBS and BCCM, 17 May 1998
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