Lactobacillus isolates from weaned piglets' mucosa with inhibitory activity against common porcine pathogens
Jazyk angličtina Země Spojené státy americké Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- antibiotická rezistence MeSH
- Bacillus cereus účinky léků MeSH
- Clostridium perfringens účinky léků MeSH
- Escherichia coli účinky léků MeSH
- feces mikrobiologie MeSH
- ileum mikrobiologie MeSH
- kultivační média speciální farmakologie MeSH
- kultivační média chemie farmakologie MeSH
- kyselina mléčná farmakologie MeSH
- Lactobacillus účinky léků izolace a purifikace metabolismus MeSH
- muciny metabolismus MeSH
- nemoci prasat prevence a kontrola MeSH
- odstavení MeSH
- peroxid vodíku metabolismus MeSH
- přirozená imunita MeSH
- probiotika MeSH
- Staphylococcus aureus účinky léků MeSH
- střevní sliznice mikrobiologie MeSH
- Sus scrofa mikrobiologie MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- kultivační média speciální MeSH
- kultivační média MeSH
- kyselina mléčná MeSH
- muciny MeSH
- peroxid vodíku MeSH
Twelve lactobacilli isolates from mucosa of 3-5-week-old weaned pigs were found to exert good antimicrobial activity against common porcine pathogens (S. aureus, B. cereus, E. coli, C. perfringens). Two of them produced in addition to lactic acid also considerable amounts of acetic acid, and 6 of them produced hydrogen peroxide and metabolites other than organic acids. Isolates 4/26 and 2/25 (identified as L. crispatus or L. amylovorus) were inhibitory against most strains of S. aureus, B. cereus and E. coli, and especially the strain 4/26 survived well in simulated gastric and intestinal juice. Diarrhea-causing E. coli O8K88H9 Ent(+) was successfully inhibited by the growing culture as well as by the catalase-treated and neutralized supernatant of L. reuteri 12/26. Mucin degradation and multiple resistance to antibiotics were not observed.
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