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Lactobacillus plantarum subsp. plantarum

ABSTRACT: Lactobacillus plantarum subsp. plantarum ATCC 14917 genome re-sequencing of the 'wildtype Glycocin F sensitive' strain for Glycocin F resistance genomic studies

PROVIDER: PRJNA246619 | ENA |

REPOSITORIES: ENA

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Lactobacillus plantarum

Project description:Lactobacillus plantarum subsp. plantarum ATCC 14917 and Lactobacillus plantarum ATCC 8014 genome sequencing of the 'wildtype Glycocin F sensitive' and 'mutant Glycocin F resistant' strains

| PRJNA247437 | ENA

Lactobacillus plantarum

Project description:Lactobacillus plantarum subsp. plantarum ATCC 8014 genome re-sequencing of the 'wildtype Glycocin F sensitive' strain for Glycocin F resistance genomic studies

| PRJNA246618 | ENA

Pig SISP jejunal segments: Lactobacillus plantarum and msa/srt mutant strains vs control, perfusion 4 or 8 hours

Project description:Mannose-specific interactions of Lactobacillus plantarum 299v with jejunal epithelium were investigated using an in situ pig small intestinal segment perfusion (SISP) model. L. plantarum 299v wildtype strain was compared to two isogenic mutant strains either lacking the gene encoding for the mannose-specific adhesin (msa) or sortase (srtA; responsible for anchoring of cell surface proteins like Msa to the cell wall). Salmonella typhimurium served as a positive control for gene expression analysis. Scrapings from jejunal segments were collected after perfusion with bacterial suspensions or PBS (control) for 4 or 8 hours, and host gene expression was assessed using a home-made cDNA porcine microarray. Keywords: host-microbe interaction, Lactobacillus plantarum, mannose-specific adhesion A Small Intestinal Segment Perfusion (SISP) test was performed using 4 pigs. 10 segments were prepared in the jejunum of each pig and perfused with Lactobacillus plantarum 299v wildtype, Lactobacillus plantarum 299v msa mutant strain, Lactobacillus plantarum 299v srtA mutant strain, Salmonella typhimurium or PBS (control) for 4 or 8 hours. Pooled samples from each treatment at each timepoint were used for microarray analysis. 8 comparisons were done: L. plantarum wildtype vs control (4 hours), L. plantarum wildtype vs control (8 hours), L. plantarum msa mutant vs control (4 hours), L. plantarum msa mutant vs control (8 hours), L. plantarum srt mutant vs control (4 hours), L. plantarum srt mutant vs control (8 hours), S. typhimurium vs control (8 hours), samples taken at the beginning of the experiment vs control (8 hours). Dye-swaps were performed for each comparison.

2010-05-25 | E-GEOD-9209 | biostudies-arrayexpress

Cranberry proanthocyanidins and dietary oligosaccharides synergistically modulate Lactobacillus plantarum physiology

Project description:Plant-based foods contain bioactive compounds such as polyphenols that resist digestion and potentially benefit the host through interactions with their gut microbiome. Based on previous observations, we hypothesized thatprobiotic Lactobacillus plantarum interact with cranberry polyphenols and dietary oligosaccharides to synergistically impact its physiology. In this study, L. plantarum ATCC BAA-793 was grown on dietary oligosaccharides including cranberry xyloglucans, fructooligosaccharides, and human milk oligosaccharidesin conjunction with proanthocyanidins (PACs) extracted from cranberry. As a result, L. plantarum exhibits a differential physiological response to cranberry PACs dependent on the carbohydrate source and polyphenol fraction introduced. Of two extracts evaluated, the PAC1 fraction increased growth regardless of oligosaccharide whereas PAC2 positively modulates growth during xyloglucan metabolism. Interestingly, PAC1 enables ATCC BAA-793 to utilize fructooligosaccharides efficiently as it is unable to ferment this substrate ordinarily. Relative to glucose, oligosaccharide metabolism increases the ratio of secreted acetic acid to lactic acid. The PAC2 fraction differentially increases this ratio during cranberry xyloglucan fermentation compared with PAC1. RNA-seq transcriptomics link expression of putative polyphenol degradation genes, polyphenol degradation profiles, and physiological phenotypes.

2020-12-01 | GSE160565 | 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

Trascriptomic profiles of Lactobacillus plantarum strains isolated from cheeses

Project description:Analysis of Lactobacillus plantarum stains isolated from different cheese type

2017-07-12 | GSE101169 | 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

Characterization of Lactobacillus plantarum gene expression in the acidic conditions

Project description:Characterization of Lactobacillus plantarum gene expression in the acididic conditions such as kimchi fermentation

2020-10-27 | GSE143834 | GEO

The effects of Lactobacillus plantarum and E. coli on Caco2 human colonocytes genes expression

Project description:In this study, we examined Caco-2 cell gene expression after infection with E. coli (Ec), Lactobacillus plantarum (Lp) and the combination of the two (mix) Keywords: Lactobacillus plantarum and E. coli influences on Caco2 cells gene expression

2007-09-13 | GSE5874 | GEO

Pig SISP jejunal segments: Lactobacillus plantarum and msa/srt mutant strains vs control, perfusion 4 or 8 hours

2008-08-01 | GSE9209 | GEO

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