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Effect of Lactobacillus spp. strains on the population of Listeria monocytogenes isolated from the human vagina
, 2, 1, 1, 1, 1, 1
Affiliations- Nicolaus Copernicus University in Toruń, Collegium Medicum of L. Rydygier in Bydgoszcz, M. Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland
- Department of Food Hygiene and Consumer Health, Wrocław University of Environmental and Life Sciences, 31 C.K. Norwida St., 50-375 Wrocław, Poland
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Abstract
Introduction: The normal vaginal microbiota (mainly Lactobacillus spp.) affects the health of these areas. Bacterial vaginosis is a serious health problem among many women, especially dangerous for pregnant women. The study aimed to assess the impact of Lactobacillus spp. strains on the population of Listeria monocytogenes isolated from women.
Materials and methods: The research material consisted of reference strains of Lactobacillus spp.: L. acidophilus (LAC), L. fermentum (LFE), L. gasseri (LGA), L. plantarum (LPL), the strain L. monocytogenes ATCC 19111 and 7 L. monocytogenes strains isolated from the vagina.
Results: The highest antagonistic activity was shown for the mixed culture of all Lactobacillus strains (LACTO MIX) used in the experiment. Among the individual strains of Lactobacillus spp. strains, L. plantarum turned out to most effectively reduce L. monocytogenes number (reduction of 5.74 log CFU × ml-1). The least effective in inhibiting the growth of L. monocytogenes was the L. acidophilus strain (reduction of L. monocytogenes of a number of 2.21 log CFU × ml-1).
Conclusions: The presence of Lactobacillus spp. in the genital tract limits the development of bacterial infections, which is an important aspect especially for pregnant women.
Abstract
Introduction: The normal vaginal microbiota (mainly Lactobacillus spp.) affects the health of these areas. Bacterial vaginosis is a serious health problem among many women, especially dangerous for pregnant women. The study aimed to assess the impact of Lactobacillus spp. strains on the population of Listeria monocytogenes isolated from women.
Materials and methods: The research material consisted of reference strains of Lactobacillus spp.: L. acidophilus (LAC), L. fermentum (LFE), L. gasseri (LGA), L. plantarum (LPL), the strain L. monocytogenes ATCC 19111 and 7 L. monocytogenes strains isolated from the vagina.
Results: The highest antagonistic activity was shown for the mixed culture of all Lactobacillus strains (LACTO MIX) used in the experiment. Among the individual strains of Lactobacillus spp. strains, L. plantarum turned out to most effectively reduce L. monocytogenes number (reduction of 5.74 log CFU × ml-1). The least effective in inhibiting the growth of L. monocytogenes was the L. acidophilus strain (reduction of L. monocytogenes of a number of 2.21 log CFU × ml-1).
Conclusions: The presence of Lactobacillus spp. in the genital tract limits the development of bacterial infections, which is an important aspect especially for pregnant women.
Keywords
Lactobacillus spp., Listeria monocytogenes, vaginal disease, probiotics, antagonistic action
About this articleTitle
Effect of Lactobacillus spp. strains on the population of Listeria monocytogenes isolated from the human vagina
Journal
Issue
Article type
Original article
Pages
8-15
Published online
2021-02-08
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655
Article views/downloads
638
DOI
Bibliographic record
Medical Research Journal 2021;6(1):8-15.
Keywords
Lactobacillus spp.
Listeria monocytogenes
vaginal disease
probiotics
antagonistic action
Authors
Krzysztof Skowron
Ewa Wałecka-Zacharska
Natalia Wiktorczyk-Kapischke
Katarzyna Grudlewska-Buda
Zuzanna Bernaciak
Anna Gralewska
Eugenia Gospodarek-Komkowska
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