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L. plantarum grown in a variety of different fermentation conditions

ABSTRACT: Lactobacillus plantarum WCFS1 was differentially fermented in 29 different fermentations according to a factorial, combinatorial scheme that included variations in growth temperature (28 or 37C), NaCl concentration (0 or 0.3M), pH (5.2, 5.8, 6.4), as well as oxygen (N2 or air) and amino acid availability (1.1 or 2x concentration).

ORGANISM(S): Lactiplantibacillus plantarum

PROVIDER: GSE31076 | GEO | 2011/10/01

SECONDARY ACCESSION(S): PRJNA144721

REPOSITORIES: GEO

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L. plantarum grown in a variety of different fermentation conditions

Project description:Lactobacillus plantarum WCFS1 was differentially fermented in 29 different fermentations according to a factorial, combinatorial scheme that included variations in growth temperature (28 or 37C), NaCl concentration (0 or 0.3M), pH (5.2, 5.8, 6.4), as well as oxygen (N2 or air) and amino acid availability (1.1 or 2x concentration). Samples were hybridized in a star design using five samples in the center all connected to each other. The remaining samples were linked (evenly distributed) to the samples in the inner circle in a loop design with additional links (shortcuts) to the center sample. All samples were hybridized in duplicate (at minimum) using each of the two dyes (Cy3/Cy5) at least once per sample.

2011-09-30 | E-GEOD-31076 | biostudies-arrayexpress

Anaerobic carbon-limited retentostat cultivation of Lactobacillus plantarum WCFS1

Project description:Lactobacillus plantarum WCFS1 was grown under anaerobic carbon-limited conditions in a chemostat with complete biomass retention (retentostat). In this cultivation system, the biomass concentration progressively increases while the dilution rate is kept constant, resulting in decreased specific susbtrate availibility, and hence, a progressive decrease in the specific growth rate. During the progressive transition from growth to virtually no growth, the global changes occurring at the level of metabolism and gene expression were studied using a genome-scale metabolic model and DNA microarrays.

2010-01-01 | GSE18340 | GEO

Transcriptional profile Lactobacillus plantarum WCFS1 : Oleuropein treated cells

Project description:Whole genome transcriptional profiling was used to characterize the response of Lactobacillus plantarum WCFS1 human isolate during challenge with oleuropein. Twelve independent experiments were performed and mixed at random in groups of four for total of three RNA samples. The transcriptional profile shows that Lactobacillus plantarum WCFS1 adapts its metabolic capacity to acquire certain carbohydrates and repress the expression of genes involved in fatty acid biosyntheis. The transcriptomic datasets also revealed the downregulation of genes related to the biosynthesis of capsular polysaccharides and genes coding for ABC-type transporters. In addition, induction of oligopeptide permeases is also part of the response of Lactobacillus plantarum WCFS1 to oleuropein.

2019-10-21 | GSE90719 | GEO

Ethanol stress response in Lactobacillus plantarum WCFS1

Project description:Transcriptome profiles of control Lactobacillus plantarum WCFS1 cells were compared with 8% ethanol adapted cells and with 10 min or 30 min 8% ethanol shocked cells.

2010-01-01 | GSE17847 | GEO

Locust bean gum derived galacto-manno-oligosaccharides utilization by Lactobacillus plantarum WCFS1

Project description:In order to understand LBG derived galacto-manno-oligosaccharides utilization by a probiotic bacterium, Lactobacillus plantarum WCFS1, we have grown Lactobacillus plantarum WCFS1 (in duplicates) till mid log phase (OD600nm ~0.5, 10 h) in carbon free MRS (de Man, Rogosa Sharpe ) media containing either galacto-manno-oligosaccharides, mannose, glucose or galactose (1% w/v) as the sole carbon source.

2019-07-30 | GSE117591 | GEO

Sugar utilization in L. plantarum WCFS1

Project description:Lactobacillus plantarum was grown anaerobically on 4 different sugars (Mannose Lactose Fructose and Sucrose) to OD600 = 1.0. Samples were compared with a similar grown culture on glucose. An independnet biological duplicate of tht experimnet was performed (samples 1 and 2). L. plantarum WCFS1 grown in glucose, mannose, fructose, and sucrose

2010-09-15 | E-GEOD-24098 | biostudies-arrayexpress

Modulation of Lactobacillus plantarum gastrointestinal robustness by fermentation conditions enables identification of bacterial robustness markers

Project description:Transcriptome profiles of control Lactobacillus plantarum WCFS1 cells were compared with a lp_1669 deletion mutant in MRS and 2*CDM media. A continuous culture was performed on MRS and 2*CDM media and whole genome transcriptome analysis was perfomred on the WCFS1 and NZ3417CM (harboring a chlooramphenicol resistance marker (cat) replacement mutation in lp_1669) strains.

2012-01-01 | E-GEOD-31254 | biostudies-arrayexpress

Lifestyle of lactobacillus plantarum in the mouse cecum

Project description:Lactobacillus plantarum is a common inhabitant of mammalian gastrointestinal tracts and specific strains belonging to this species are marketed as probiotics intended to confer beneficial health effects. To assist in determining the physiological status and host-microbe interactions of L. plantarum in the digestive tract we assessed changes in the transcriptome of L. plantarum WCFS1 during colonization of the cecum of germ-free mice. According to the transcript profiles L. plantarum WCFS1 was metabolically active and not under severe stress in this intestinal compartment. Carbohydrate metabolism was the most strongly affected functional gene category whereby many genes encoding diverse sugar transport and degradation pathways were induced in mice even compared to L. plantarum grown in a mouse chow-derived laboratory medium. This suggests that the ability of L. plantarum WCFS1 to consume diverse energy sources including plant-associated and host-derived carbohydrates was increased during its residence in the digestive tract. Many of these genes were also induced in L. plantarum colonizing germ-free mice fed a humanized Western-style diet. Similarly a core set of genes encoding cell surface-related properties were differentially expressed in mice. This set includes genes required for the D-alanylation and glycosylation of lipoteichoic acids that were strongly down-regulated in mice. In total L. plantarum exhibits a distinct in vivo transcriptome directed towards adaptation to the mouse intestinal environment. Keywords: cell type comparison

2008-08-01 | GSE11383 | GEO

Lactiplantibacillus plantarum

Project description:Sugar utilization in L. plantarum WCFS1

| PRJNA130299 | ENA

Lactiplantibacillus plantarum

Project description:Lactate Stress in L. plantarum WCFS1

| PRJNA118105 | ENA