GEO DataSets

(Submitter supplied) Bacteria have developed multiple strategies, such as sporulation, to cope with environmental stress. Non-sporulating bacteria, however, may “hibernate” into a so-called viable but non-culturable (VBNC) state, where they are no longer able to grow in standard culture media and thus become undetectable by conventional growth-based methods. VBNC pathogens pose a significant risk for human and animal health as they can “wake up” back into a vegetative and virulent state. more...

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL33865

6 Samples

Download data: TSV

(Submitter supplied) Investigation of whole genome gene expression level changes in Listeria monocytogenes EGD-e during incubation (0, 15 min, 30 min) in two types of soil extracts (TA, DA).

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL13478

15 Samples

Download data: PAIR

(Submitter supplied) Using RNA-Seq we show that the PadR-type transcriptional repressor Lmo0599 (LltR) mainly regulates expression of the lmo0599-0600-0601 operon.

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19076

6 Samples

Download data: CSV, TXT

(Submitter supplied) Using RNA-Seq we describe the regulon of the PadR-type transcriptional repressor Lmo0422 (LstR). The main regulatory target of LstR is the lmo0423-0422-0421 operon.

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19076

6 Samples

Download data: CSV, TXT

(Submitter supplied) Using RNA-Seq we confirmed that the PadR-type transcriptional repressor Lmo1408 (LadR) regulates expression of lmo1409 (mdrL), lmo1617 (mdrM) and lmo1618.

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19076

6 Samples

Download data: CSV, TXT

(Submitter supplied) Using RNA-Seq we showed that expression of the lieAB and lftRS genes is strongly induced in cells lacking the PadR-type transcriptional repressor LftR

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19076

6 Samples

Download data: CSV, TXT

(Submitter supplied) The foodborne pathogen Listeria monocytogenes (Lm) can cause invasive infection in susceptible animals and humans. To survive and proliferate within hosts, this facultative intracellular pathogen needs to tightly coordinate the expression of a complex regulatory network, including virulence factors. Here, we identify and characterize MouR a novel virulence regulator of Lm. Through RNA-seq transcriptomic analysis, we characterized the MouR regulatory network and demonstrated how MouR positively controls the expression of the Agr system (agrBDCA) of Lm. more...

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platform:

GPL24263

6 Samples

Download data: TXT

(Submitter supplied) To understand physiological processes in vivo, it is vital to disclose the conformation of biological molecules inside living cells and correlate their structure with their function. Here, we describe a method, FUSE (5’-UTR Structure Elucidation) that was used to characterize changes in the structures of 5’-UTRs at different conditions inside the human bacterial pathogen Listeria monocytogenes. Using FUSE, we discovered a novel RNA thermoswitch and calculated the ratio of two conformations that this thermoswitch assumes at different conditions. more...

Organism:

Listeria monocytogenes EGD-e

Type:

Other

Platform:

GPL19076

10 Samples

Download data: XLSX

(Submitter supplied) Camparison of the transcriptome of L. monocytogenes EGDe exposed for 1 h to pH 6.0 and 200 mg/l NaNO2 to that of L. monocytogenes EGDe exposed for 1 h to pH 6.0 (0 mg/l NaNO2).

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL17774

12 Samples

Download data: GPR

(Submitter supplied) Riboswitches are ligand-binding elements contained within the 5’ untranslated regions of bacterial transcripts, which generally regulate expression of downstream open reading frames. Here we show that in Listeria monocytogenes, a Vitamin B12-binding (B12) riboswitch controls expression of a non-coding regulatory RNA, Rli55. Rli55 in turn controls expression of the eut genes, which enable ethanolamine utilization and require B12 as a cofactor. more...

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL19076 GPL19075

8 Samples

Download data: TXT

(Submitter supplied) Comparison of transcriptome of L. monocytogenes EGDe at 24°C and 37°C L. monocytogenes EGDe cells used in this study were grown either at 24°C or 37°C to an OD600 = 0.82-0.87 and the transcriptome of these two conditions was compared

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL17774

12 Samples

Download data: GPR

(Submitter supplied) Comparison of aerobic and anaerobic transcriptome of L. monocytogenes EGD L. monocytogenes EGD cells used in this study were grown either aerobically or anaerobically to an OD600 = 0.70 - 0.75 and the transcriptome of these two conditions was compared

Organism:

Listeria monocytogenes EGD-e; Listeria monocytogenes EGD

Type:

Expression profiling by array

Platform:

GPL17774

12 Samples

Download data: GPR

(Submitter supplied) Transcriptional profiling of Salmonella typhimurium in the ceca of germ-free and Bacteroides thetaiotaomicron-monoassociated gnotobiotic mice. Comparison with response in MM-Glucose.

Organism:

Salmonella enterica subsp. enterica serovar Typhimurium str. LT2; Listeria monocytogenes EGD-e; Salmonella enterica subsp. enterica serovar Typhimurium str. SL1344

Type:

Expression profiling by array

Platform:

GPL17476

8 Samples

Download data: CEL

(Submitter supplied) The foodborne pathogen Listeria monocytogenes has the ability to develop biofilm in food-processing environment, which becomes a major concern for the food safety. PrfA, a key transcriptional activator that regulates most of the known listerial virulence gene expression, has been shown to promote L. monocytogenes biofilm formation. In this study, the whole genome microarray was used to identify differentially expressed genes associated with the putative interaction between biofilm formation and PrfA in L. more...

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL16415

15 Samples

Download data: TXT

(Submitter supplied) Gene expression changes in L. monocytogenes EGDe during lag-phase associated cold acclimation were succesfully defined through expression profiling

Organism:

Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL17037

12 Samples

Download data: TXT

(Submitter supplied) Listeria monocytogenes is a human, food-borne pathogen. Genomic comparisons between L. monocytogenes and Listeria innocua, a closely related non-pathogenic species, were pivotal in the identification of protein coding genes essential for virulence. However, no comprehensive comparison has focused on the non-coding genome. We used strand-specific cDNA sequencing to produce genome-wide transcription start site (TSS) maps for both organisms, and developed a publicly available integrative browser to visualize and analyze both transcriptomes in different growth conditions and genetic backgrounds. more...

Organism:

Listeria innocua Clip11262; Listeria monocytogenes EGD-e

Type:

Other

Platforms:

GPL15272 GPL15273

16 Samples

Download data: TXT

(Submitter supplied) The Gram-positive bacterium Listeria monocytogenes is widely distributed in the environment and capable of causing food-borne infections in susceptible individuals. In this study, we investigated the cell envelope stress response in L. monocytogenes. Whole-genome transcriptional profiling was performed to investigate the response upon exposure to the cell wall antibiotic cefuroxime. Differential expression (≥ 2-fold difference) of 558 genes was observed, corresponding to 20% of the L. more...

Organism:

Listeria monocytogenes; Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL14687

16 Samples

Download data: TXT

(Submitter supplied) The phenotypic and gene expression traits conferred by the alternative sigma factor protein σL in the food-borne pathogen L. monocytogenes were investigated. σL was shown to be important for the efficient growth of this pathogen exposed to food preservative measures such as low storage temperatures, elevated osmolarity and acidity. Based on high throughput phenotypic analysis, σL function was also found to be protective in L. more...

Organism:

Listeria monocytogenes; Listeria monocytogenes EGD-e

Type:

Expression profiling by array

Platform:

GPL14631

36 Samples

Download data: GPR

(Submitter supplied) These studies were designed to examine the transcription of Listeria monocytogenes strains 10403S and LO28 during intracellular replication in mammalian macrophages.

Organism:

Listeria monocytogenes; Listeria monocytogenes serotype 1/2a str. F6854; Listeria monocytogenes serotype 4b str. F2365; Listeria monocytogenes EGD-e; Listeria monocytogenes serotype 4b str. H7858

Type:

Expression profiling by array

Platform:

GPL13395

4 Samples

Download data: GPR

(Submitter supplied) These studies were designed to examine the acute Listeria monocytogenes transcriptional response to mammalian (porcine) bile.

Organism:

Listeria monocytogenes serotype 4b str. H7858; Listeria monocytogenes; Listeria monocytogenes EGD-e; Listeria monocytogenes serotype 4b str. F2365; Listeria monocytogenes serotype 1/2a str. F6854

Type:

Expression profiling by array

Platform:

GPL13395

6 Samples

Download data: GPR