[Kinetics of setting up of a human fecal flora in germ free mice and trial of decontamination of antibiotherapy (author's transl)]. 1975

J C Ghnassia, and M Véron, and R Ducluzeau, and M C Muller, and P Raibaud

We have tried in this study to reproduce in germfree mice a bacterial equilibrium observed previously in the gastrointestinal tract of child "L.N.", reared in a plastic isolator. Eight bacterial strains were studied. Seven had been fortuitously introduced: Acinetobacter lwoffi LN1, Staphylococcus epidermidis LN2, Clostridium perfringens LN3, Plectridium anatum LN4, Streptococcus bovis LN5, Enterobacter cloacae LN6, Corynebacterium sp LN7. The eighth strain was purposely administered to the child in order to take advantage of an antagonism between this strain and spontaneously acquired flora. This strain is Bacillus licheniformis FD1. The gnotoxenic mice proved to be a good experimental model because we found their bacterial equilibrium comparable to that observed in child L.N. In addition, we studied the decontamination procedures of the gastrointestinal tract of mice by observing both the antagonism of B. licheniformis with bacitracin, and the action of a suitable mixture of antibiotics. Conditions for the realization of this decontamination are discussed in this study.

UI MeSH Term Description Entries
D007422 Intestines The section of the alimentary canal from the STOMACH to the ANAL CANAL. It includes the LARGE INTESTINE and SMALL INTESTINE. Intestine
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008809 Mice, Inbred C3H An inbred strain of mouse that is used as a general purpose strain in a wide variety of RESEARCH areas including CANCER; INFECTIOUS DISEASES; sensorineural, and cardiovascular biology research. Mice, C3H,Mouse, C3H,Mouse, Inbred C3H,C3H Mice,C3H Mice, Inbred,C3H Mouse,C3H Mouse, Inbred,Inbred C3H Mice,Inbred C3H Mouse
D003013 Clostridium A genus of motile or nonmotile gram-positive bacteria of the family Clostridiaceae. Many species have been identified with some being pathogenic. They occur in water, soil, and in the intestinal tract of humans and lower animals.
D003016 Clostridium perfringens The most common etiologic agent of GAS GANGRENE. It is differentiable into several distinct types based on the distribution of twelve different toxins. Clostridium welchii
D003352 Corynebacterium A genus of asporogenous bacteria that is widely distributed in nature. Its organisms appear as straight to slightly curved rods and are known to be human and animal parasites and pathogens.
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004755 Enterobacteriaceae A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. Its organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites. Many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock. Coliform Bacilli,Enterobacteria,Ewingella,Leclercia,Paracolobactrum,Sodalis
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.

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