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1

Selection of potentially probiotic Lactobacillus strains towards their inhibitory activity against poultry enteropathogenic bacteria

100%
Kizerwetter-Swida M., Binek M.
Polish Journal of Microbiology
|
2005
|
tom 54
|
nr 4
Lactobacilli were isolated from chicken gastrointestinal tract and examined for their potentially probiotic properties towards their inhibitory activity against poultry enteropathogenic bacteria. Biochemical tests, ITS-PCR and cell wall protein analysis were used to characterize the Lactobacillus isolates. The identification of isolated Lactobacillus strains based on phenotypic properties was not always satisfactory. ITS-PCR together with protein profile were found to be helpful in strain identification. Lactobacilli were tested for the inhibitory activity against selected strains of poultry enteropathogenic bacteria (Salmonella Enteritidis, Escherichia coli and Clostridium perfringens). Examined supernatants from Lactobacillus broth cultures demonstrated major antimicrobial activity against C. perfringens. Lower antimicrobial activity were observed against E. coli and Salmonella Enteritidis. The strongest inhibition effect were obtained using supernatant of Lactobacillus acidophilus strain 3D. Results received from this study confirmed that identification of Lactobacillus spp. is often tedious. Some isolates, which are in vitro antagonistic against enteropathogenic bacteria may be considered as potential candidates for poultry probiotics, especially in controlling necrotic enteritis caused by C. perfringens.
2

Characterisation of porcine enteropathogenic Escherichia coli isolated in Northeastern India

84%
Kylla H., Dutta T. K., Roychoudhury P., Subudhi P. K., Lalhruaipuii, Lalsiamthara J., Mandakini R.
Journal of Veterinary Research
|
2020
|
tom 64
|
nr 3
3

Effect of some herbicides on the survival of bacteria indicating sanitary conditions and of enteropathogens in lake water. II. The influence of Aresin

84%
Niewolak S., Komar M.
Natural Sciences
|
2001
|
tom 09
4
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Antimicrobial activity of some Lactobacillus species against intestinal pathogenic bacteria

67%
Tebyanian H., Bakhtiari A., Karami A., Kariminik A.
International Letters of Natural Sciences
|
2017
|
tom 65
Probiotics have antibacterial effects against pathogenic bacteria in the gut while maintaining the balance of intestinal flora such as Lactobacillus. This study aimed to evaluate the antimicrobial activity of four Lactobacillus species against intestinal pathogenic. Four different species of Lactobacillus (Lactobacillus bulgaricus (PTCC 1332), Lactobacillus casei (PTCC 1608), Lactobacillus plantarum (PTCC 1058) and Lactobacillus Fermentum (PTCC 1638)) were experimented to investigate the inhibitory activity against 4 bacterial enteric pathogens (Escherichia coli, Staphylococcus aureus, Shigella dysenteriae and Salmonella paratyphi A) which were separately inoculated in MRS medium (de Man, Rogosa and Sharpe medium) for 48 hours at 37 °C and pH 7. Our results showed that enteropathogens growth was stopped in the presence of all Lactobacillus and inhibition zone was between 12 and 32 millimeter. It can be concluded that these four Lactobacillus strains had potential antimicrobial compounds against human enteric pathogens and should be further studied for their human health benefits.
5

Effect of some herbicides on the survival of bacteria indicating the sanitary conditions and of enteropathogens in lake water. III. The influence of pielik

67%
Niewolak S., Komar M.
Polish Journal of Natural Sciences
|
2002
|
tom 10
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