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Zh Mikrobiol Epidemiol Immunobiol. 2002 Nov-Dec;(6):73-5.

[Study on the effect of a biostimulant on the growth and toxigenic function of Clostridium tetani strain Copenhagen-471].

[Article in Russian]

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Research Institute for Vaccines and Sera, Tashkent, Uzbekistan.


Bakstim, a new biostimulating preparation obtained from the organs of the immune system of animals, was developed. The impact of Bakstim on the growth and toxigenic function of C. tetani production strain Copenhagen-471 was evaluated. The addition of the preparation to Gluzman commercial medium for obtaining tetanus toxoid led to an increase in the yield of bacterial biomass from 1.9 to 4-fold and an increase in the toxoid production from 2 to 2.8-fold. The optimum concentration of this biostimulant ensuring the maximum yield of tetanus toxin from the production culture was determined (1,000 mg/l). Bakstim will supposedly be used as additive to nutrient media for the production of tetanus toxoid.

[Indexed for MEDLINE]

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