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Lactobacillus Fermentum Isolated from Human Colonic Mucosal Biopsy Inhibits the Growth and Adhesion of Enteric and Foodborne Pathogens

Varma, Parvathi ; Dinesh, Kavitha R. ; Menon, Krishna K. ; Biswas, Raja

Journal of food science, 2010-11, Vol.75 (9), p.M546-M551 [Periódico revisado por pares]

Malden, USA: Blackwell Publishing Inc

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Título:
Lactobacillus Fermentum Isolated from Human Colonic Mucosal Biopsy Inhibits the Growth and Adhesion of Enteric and Foodborne Pathogens
Autor: Varma, Parvathi ; Dinesh, Kavitha R. ; Menon, Krishna K. ; Biswas, Raja
Assuntos: Adhesion ; Antibiosis ; antimicrobial compounds ; Bacterial Adhesion ; bacterial cell surface associated proteins ; Biological and medical sciences ; Candida albicans - growth & development ; Candida albicans - pathogenicity ; Cell adhesion & migration ; Chemical compounds ; Colon - microbiology ; Digestion ; Enterococcus faecalis ; Enterococcus faecalis - growth & development ; Enterococcus faecalis - pathogenicity ; enteroinvasive foodborne pathogens ; Escherichia coli ; Escherichia coli - growth & development ; Escherichia coli - pathogenicity ; Food Contamination - analysis ; Food industries ; Food microbiology ; Food Microbiology - methods ; Food science ; Fundamental and applied biological sciences. Psychology ; Gram-positive bacteria ; Heat treatment ; HT29 Cells ; Human ; Humans ; Hydrogen-Ion Concentration ; Lactobacillus ; Lactobacillus fermentum ; Lactobacillus fermentum - isolation & purification ; Lactobacillus fermentum - metabolism ; Lactobacillus sp ; Mucous Membrane - microbiology ; Paratyphis ; Pathogens ; Probiotics ; Probiotics - isolation & purification ; Probiotics - metabolism ; Proteins ; Proteus mirabilis ; Proteus mirabilis - growth & development ; Proteus mirabilis - pathogenicity ; Pseudomonas aeruginosa ; Pseudomonas aeruginosa - growth & development ; Pseudomonas aeruginosa - pathogenicity ; Salmonella paratyphi ; Salmonella paratyphi A - growth & development ; Salmonella paratyphi A - pathogenicity ; Shigella sonnei ; Shigella sonnei - growth & development ; Shigella sonnei - pathogenicity ; Staphylococcus aureus ; Staphylococcus aureus - growth & development ; Staphylococcus aureus - pathogenicity ; Vibrio ; Vibrio - growth & development ; Vibrio - pathogenicity
É parte de: Journal of food science, 2010-11, Vol.75 (9), p.M546-M551
Notas: ArticleID:JFDS1818
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SourceType-Scholarly Journals-1
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Descrição: : A number of Lactobacillus species are used as probiotic strains in order to benefit health. We have isolated L. fermentum from human colonic mucosal biopsy samples that possess antimicrobial activities against entroinvasive and foodborne pathogens such as Escherichia coli, Salmonella paratyphi A, Shigella sonnei, Staphylococcus aureus, Enterococcus faecalis, Proteus mirabilis, Pseudomonas aeruginosa, and Vibrio sp. In addition to lactic acid, L. fermentum secretes antimicrobial proteinacious compound(s) that was found to be active even at neutral pH (pH 7.0). The compound was sensitive to heat treatment and trypsin digestion. Lactobacillus fermentum inhibited the adhesion of enteropathogens to intestinal epithelial cells in vitro. Isolated cell surface associated proteins (SAPs) from L. fermentum were sufficient for the adhesion exclusions of enteropathogenic E. coli. Our results indicate that L. fermentum produces antimicrobial compounds and SAPs to inhibit the growth and adhesion of enteropathogens, respectively.
Editor: Malden, USA: Blackwell Publishing Inc
Idioma: Inglês

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Lactobacillus Fermentum Isolated from Human Colonic Mucosal Biopsy Inhibits the Growth and Adhesion of Enteric and Foodborne Pathogens

Varma, Parvathi ; Dinesh, Kavitha R. ; Menon, Krishna K. ; Biswas, Raja

Malden, USA: Blackwell Publishing Inc

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