Experiments with 39 type collection strains and 25 newly isolated strains of P. aeruginosa have demonstrated the possibility of preserving the culture viability for a long time in sterile tap water at 6-8 degrees C. The initial morphologic, cultural, biochemical, and antigenic characteristics of the cultures are unchanged in sealed ampules for up to 1 year and in glass tubes corked with rubber corks for up to 8 months.
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