Alteration in the endogenous intestinal flora of swiss webster mice by experimental Angiostrongylus costaricensis infection
Mem. Inst. Oswaldo Cruz
;
99(7): 717-720, Nov. 2004. tab
Article
in English
| LILACS
| ID: lil-391600
RESUMO
The association between worm infections and bacterial diseases has only recently been emphasized. This study examined the effect of experimental Angiostrongylus costaricensis infection on endogenous intestinal flora of Swiss Webster mice. Eight mice aging six weeks were selected for this experiment. Four were infected with A. costaricensis and the other four were used as controls. Twenty eight days after the worm infection, all mice in both groups were sacrificed and samples of the contents of the ileum and colon were obtained and cultured for aerobic and anaerobic bacteria. In the mice infected with A. costaricensis there was a significant increase in the number of bacteria of the endogenous intestinal flora, accompanied by a decrease in the number of Peptostreptococcus spp. This alteration in the intestinal flora of mice infected by the nematode may help to understand some bacterial infections described in humans.
Full text:
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Index:
LILACS (Americas)
Main subject:
Strongylida Infections
/
Colon
/
Ileum
/
Angiostrongylus
Limits:
Animals
Language:
English
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
Tropical Medicine
/
Parasitology
Year:
2004
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Fiocruz/BR
/
Laboratório Micra Biotecnologia/BR
/
Universidade Federal de Minas Gerais/BR
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