Eight bacterial strains were used in this study to examine the survival of intestinal bacteria in immune cell cultures under aerobic and anaerobic culture conditions. With the addition of penicillin G and streptomycin, viable Clostridium clostridioforme and Fusobacterium varium cells did not decrease after 6 or 24 hr, even under aerobic conditions. Without antibiotics, eight bacterial strains did not decrease until 4 or 6 hr later, under both aerobic and anaerobic conditions. Escherichia coli numbers increased by more than 10 times under both conditions. In order to examine the effects of live gut bacteria on various immune cells, the viability of bacteria should be checked in cell culture media and under different conditions.
Keywords: aerobic culture conditions; anaerobic culture conditions; cell culture medium; facultative anaerobic bacteria; intestinal bacteria; obligate anaerobic bacteria.
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