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Biofilms of Lactobacillus plantarum and Lactobacillus fermentum: Effect on stress responses, antagonistic effects on pathogen growth and immunomodulatory properties
- Source :
- Food Microbiology, Food Microbiology, Elsevier, 2016, 53, pp.51-59. ⟨10.1016/j.fm.2015.04.009⟩, Food Microbiology, Elsevier, 2016, 53 (Pt A), pp.51-59. ⟨10.1016/j.fm.2015.04.009⟩, Food Microbiology, Elsevier, 2016, 53, pp.51-59. 〈10.1016/j.fm.2015.04.009〉
- Publication Year :
- 2016
- Publisher :
- Elsevier BV, 2016.
-
Abstract
- IF 3.682; International audience; Few studies have extensively investigated probiotic functions associated with biofilms. Here, we show that strains of Lactobacillus plantarum and Lactobacillus fermentum are able to grow as biofilm on abiotic surfaces, but the biomass density differs between strains. We performed microtiter plate biofilm assays under growth conditions mimicking to the gastrointestinal environment. Osmolarity and low concentrations of bile significantly enhanced Lactobacillus spatial organization. Two L. plantarum strains were able to form biofilms under high concentrations of bile and mucus. We used the agar well-diffusion method to show that supernatants from all Lactobacillus except the NA4 isolate produced food pathogen inhibitory molecules in biofilm. Moreover, TNF-alpha production by LPS-activated human monocytoid cells was suppressed by supernatants from Lactobacillus cultivated as biofilms but not by planktonic culture supernatants. However, only L. fermentum NA4 showed anti-inflammatory effects in zebrafish embryos fed with probiotic bacteria, as assessed by cytokine transcript level (TNF-alpha, IL-1 beta and IL-10). We conclude that the biofilm mode of life is associated with beneficial probiotic properties of lactobacilli, in a strain dependent manner. Those results suggest that characterization of isolate phenotype in the biofilm state could be additional valuable information for the selection of probiotic strains.
- Subjects :
- 0301 basic medicine
Limosilactobacillus fermentum
[SDV]Life Sciences [q-bio]
[ SDV.AEN ] Life Sciences [q-bio]/Food and Nutrition
Probiotic bacteria
Resistance
Escherichia-coli
Zebrafish model
Probiotic
medicine.disease_cause
Monocytes
law.invention
In-vitro
law
Lactobacillus
Bile
Vibrio-cholerae
Zebrafish
ComputingMilieux_MISCELLANEOUS
biology
Salmonella enterica
food and beverages
Interleukin-10
Sulfonic-acid
Lactobacillus fermentum
030106 microbiology
Lactic-acid bacteria
Microbiology
Immunomodulation
03 medical and health sciences
Antibiosis
Escherichia coli
Pseudomonas-aeruginosa biofilms
medicine
Animals
Humans
Immunomodulatory effects
Tumor Necrosis Factor-alpha
Probiotics
Bile-salt hydrolase
Communities
Biofilm
biochemical phenomena, metabolism, and nutrition
biology.organism_classification
Immunity, Innate
Culture Media
Lactobacillus biofilms
Mucus
030104 developmental biology
Biofilms
[SDV.AEN]Life Sciences [q-bio]/Food and Nutrition
Lactobacillus plantarum
Food Science
Subjects
Details
- ISSN :
- 07400020 and 10959998
- Volume :
- 53
- Database :
- OpenAIRE
- Journal :
- Food Microbiology
- Accession number :
- edsair.doi.dedup.....fb7d45543122d362e12868445a072592