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  • Title: [Changes in the microbial ecology and morphology of large intestine biofilm in albino rats under the influence of rifampicin].
    Author: Anufrieva RG, Zaslavskaia PL, Shenderov BA.
    Journal: Antibiot Khimioter; 1989 Jun; 34(6):457-62. PubMed ID: 2802879.
    Abstract:
    After oral administration in single doses of 40 and 160 mg/kg to Wistar rats rifampicin was detected in 3 hours in the contents of the large intestine The maximum rifampicin concentrations in the feces (120 and 300 micrograms/g) were detected in 24 hours. The antibiotic was present in the animal feces for 6-7 days. The antibiotic administration led to marked changes in microbiocenosis of the large intestine: disappearance of coccal flora, lower quantities of Escherichia and Lactobacillus and lower total quantities of anaerobic bacteria. It was also accompanied by changes in the structure of the typhlon biofilm. By the 28th day after discontinuation of the antibiotic administration (the end of the observation period) the large intestine microflora did not recover completely.
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