Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains

Background: Lactic acid bacteria (LAB) are normal flora of the mouth, intestines and the female genital tract. They are also frequently found in meat, vegetables, and dairy products. Most of probiotic bacteria belong to the LAB group. Some probiotic LAB are useful in prevention and treatment of diar...

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Main Authors: Zare Mirzaei, Elnaze, Lashani, Elahe, Davoodabadi, Abolfazl
Format: Article
Language:deu
Published: German Medical Science GMS Publishing House 2018-01-01
Series:GMS Hygiene and Infection Control
Subjects:
Online Access:http://www.egms.de/static/en/journals/dgkh/2018-13/dgkh000307.shtml
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author Zare Mirzaei, Elnaze
Lashani, Elahe
Davoodabadi, Abolfazl
author_facet Zare Mirzaei, Elnaze
Lashani, Elahe
Davoodabadi, Abolfazl
author_sort Zare Mirzaei, Elnaze
collection DOAJ
description Background: Lactic acid bacteria (LAB) are normal flora of the mouth, intestines and the female genital tract. They are also frequently found in meat, vegetables, and dairy products. Most of probiotic bacteria belong to the LAB group. Some probiotic LAB are useful in prevention and treatment of diarrheal diseases. The aim of this study was to investigate the antimicrobial properties of LAB isolated from traditional yogurt and milk against strains.Materials and methods: Forty LAB strains were isolated from traditional yogurt and milk. The antimicrobial activity of LAB against strains (eight , four ) was examined using the agar-well diffusion assay. LAB strains with antimicrobial effect against all strains were identified by 16S rRNA gene sequencing.Results: Six LAB strains inhibited the growth of all 12 strains. Y1-3, Y8-1 and Y2-2 were isolated from yogurt. M18-1, M4-3 and M19-1 were isolated from milk.Conclusion: This study showed that strains with good inhibitory activity against and could be isolated from traditional yogurt and milk.
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spelling doaj.art-c790d2747ed74b9f9ec5c5f4714268512022-12-21T22:41:15ZdeuGerman Medical Science GMS Publishing HouseGMS Hygiene and Infection Control2196-52262018-01-0113Doc0110.3205/dgkh000307Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strainsZare Mirzaei, Elnaze0Lashani, Elahe1Davoodabadi, Abolfazl2Student Research Committee, Babol University of Medical Science, Babol, IranDepartment of Microbiology, Medical School, Tehran University of Medical Science, Tehran, IranDepartment of Microbiology, Medical School, Babol University of Medical Science, Babol, IranBackground: Lactic acid bacteria (LAB) are normal flora of the mouth, intestines and the female genital tract. They are also frequently found in meat, vegetables, and dairy products. Most of probiotic bacteria belong to the LAB group. Some probiotic LAB are useful in prevention and treatment of diarrheal diseases. The aim of this study was to investigate the antimicrobial properties of LAB isolated from traditional yogurt and milk against strains.Materials and methods: Forty LAB strains were isolated from traditional yogurt and milk. The antimicrobial activity of LAB against strains (eight , four ) was examined using the agar-well diffusion assay. LAB strains with antimicrobial effect against all strains were identified by 16S rRNA gene sequencing.Results: Six LAB strains inhibited the growth of all 12 strains. Y1-3, Y8-1 and Y2-2 were isolated from yogurt. M18-1, M4-3 and M19-1 were isolated from milk.Conclusion: This study showed that strains with good inhibitory activity against and could be isolated from traditional yogurt and milk.http://www.egms.de/static/en/journals/dgkh/2018-13/dgkh000307.shtmllactic acid bacteriayogurtmilkantimicrobial propertiesShigella
spellingShingle Zare Mirzaei, Elnaze
Lashani, Elahe
Davoodabadi, Abolfazl
Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
GMS Hygiene and Infection Control
lactic acid bacteria
yogurt
milk
antimicrobial properties
Shigella
title Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
title_full Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
title_fullStr Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
title_full_unstemmed Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
title_short Antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against Shigella strains
title_sort antimicrobial properties of lactic acid bacteria isolated from traditional yogurt and milk against shigella strains
topic lactic acid bacteria
yogurt
milk
antimicrobial properties
Shigella
url http://www.egms.de/static/en/journals/dgkh/2018-13/dgkh000307.shtml
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AT davoodabadiabolfazl antimicrobialpropertiesoflacticacidbacteriaisolatedfromtraditionalyogurtandmilkagainstshigellastrains