Probiotics have been proven to play a protective role against gut barrier disruption induced by enteroinvasive pathogens and chemical substances. To test the hypothesis that a heat-inactivated multi-strain of yogurt-containing lactic acid bacteria (Mix-LAB) (Lactobacillus bulgaricus, Streptococcus thermophilus, Lactobacillus acidophilus) could prevent epithelial barrier dysfunction induced by The minimum inhibitory concentration (MIC) was assessed by broth dilution technique. The MICs of EAE for S. aureus, P. aeruginosa, E. coli and K. pneumoniae were 500, 650, 650 and 600 μg/ml respectively. From the study it is clearly observed that ethanolic extract of Aloe vera leaf gel possesses antibacterial effect against the test pathogens.
Similarly, a study examining the isolated strains of Lactococcus lactis and Lacticaseibacillus paracasei (basonym Lactobacillus paracasei) from kefir has been shown to exhibit antimicrobial action against Escherichia coli, Salmonella enterica, Staphylococcus aureus and Listeria monocytogenes, however, further investigation on the range of their
Macrophage Killing of E. coli Is Enhanced by Lactobacillus rhamnosus Conditioned Medium. The effect of the LGG-CM on the rate of bacteria killing was monitored in macrophages, with intracellular E. coli recovered from the macrophages every 40 min. To ensure that only intracellular bacteria were assessed, all extracellular bacteria were killed
Results: The mean value of the antimicrobial activity of Manuka honey against E.coli and E.faecalis are 1.55 and 0.36 respectively and are relatively higher. It shows that there is a significant difference among the various root canal disinfectant groups against E. coli and E. feacalis. (p
Similarly, lactobacilli also have a protective effect against E. coli infection. By the induction of a host IFN-1 response, which in turn increases the production of cathepsin D within lysosomes to kill the pathogen, L. crispatus can alleviate bladder uropathogenic E. coli infection in a mouse model (Song et al., 2022).
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    • does lactobacillus kill e coli