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Cited by 126Probiotics and Fermented FoodsReproductive tract infections researchInfant Nutrition and Health

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

In vitro probiotic properties of Lactobacillus fermentum SK5 isolated from vagina of a healthy woman

Kaewnopparat, Sanae, Dangmanee, Nattakan, Kaewnopparat, Nattha, Srichana, Teerapol, Chulasiri, Malyn, Settharaksa, Sukanya·2013·Anaerobe
DOI 10.1016/j.anaerobe.2013.04.009
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Abstract

A lactobacillus strain isolated from a vaginal tract of a healthy woman was examined in vitro for its probiotic potential. This strain, identified as Lactobacillus fermentum SK5, was able to survive at pH 3-4 and 0.1-0.2% bile, and unaffected by pepsin (3 g l(-1)) and pancreatin (1 g l(-1)), but was susceptible to all tested antibiotics except metronidazole. L. fermentum SK5 had an antimicrobial potential against gastrointestinal pathogenic Escherichia coli and vaginal pathogenic Gardnerella vaginalis. The effective substance was suspected to be a bacteriocin-like compound with a molecular weight of more than 10 kDa, but hydrogen peroxide was also detected. Further studies revealed that L. fermentum SK5 had good autoaggregation characteristic and a high surface hydrophobicity that enhanced its adhesion ability to epithelial cells and for biofilm formation. This lactobacillus showed coaggregation with E. coli and G. vaginalis to affect their adhesion and colonization. The adhesion of L. fermentum SK5 to HeLa, HT-29 and Caco-2 cells and its inhibition of E. coli and G. vaginalis adherence to these cells were demonstrated. These incidences provided evidence of the possible colonization of L. fermentum SK5 that would prevent binding and growth of E. coli and G. vaginalis onto intestinal and vaginal epithelial cells. On the basis of the ability of L. fermentum SK5 to inhibit pathogenic microorganisms through coaggregation and antimicrobial substances, it is likely that this lactobacillus strain could be a potential probiotic candidate for beneficial use in protecting against gastrointestinal and vaginal microbial infections.

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Metadata

Authors
Kaewnopparat, S., Dangmanee, N., Kaewnopparat, N., Srichana, T., Chulasiri, M., & Settharaksa, S.
Affiliations
Prince of Songkla University (TH)
Corresponding author
Kaewnopparat, Sanae
ORCID
Venue
Anaerobe
Publisher
Elsevier BV
Published
2013-08
Volume
22
Pages
6-13
ISSN
1075-9964 (ISSN-L)
DOI
10.1016/j.anaerobe.2013.04.009
OpenAlex
W2046989644
Cited by
126
References
35
Citations by year
2026: 5 · 2025: 9 · 2024: 12 · 2023: 7 · 2022: 5 · 2021: 9 · 2020: 15 · 2019: 12 · 2018: 6 · 2017: 11 · 2016: 16 · 2015: 8 · 2014: 10 · 2013: 1
FWCI
17.38
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Anaerobe (publishedVersion)
  • PubMed (publishedVersion)
Funders
PSU Research Fund (PHA540021S)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Immunology and Microbiology › Microbiology › Reproductive tract infections research
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
Keywords
probiotic potential, vaginal lactobacilli, antimicrobial activity, bacteriocin-like inhibitory substances, hydrogen peroxide, acid and bile tolerance, self-aggregation, surface hydrophobicity, biofilm formation, co-aggregation, cell adhesion, Escherichia coli, Gardnerella vaginalis, vaginal infection, gastrointestinal infections, metronidazole susceptibility
MeSH terms
Anti-Bacterial Agents, Bacterial Adhesion, Bacteriocins, Escherichia coli, Female, Gardnerella vaginalis, HeLa Cells, Humans, Reference Values, Vagina, Caco-2 Cells, HT29 Cells, Probiotics, Limosilactobacillus fermentum

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