GEO DataSets

(Submitter supplied) To reveal the transcriptional profiles of Actinobacillus pleuropneumoniae under biofilm and planktonic growth, we established a biofilm-forming culture method and constructed a mutant strain Δpga with defect in biofilm formation. Wild-type and Δpga mutant strains of Actinobacillus pleuropneumoniae strain 4074 were cultured in bottles with shaking for planktonic (WT_PK) and in microplates in static status for biofilm (WT_BF, Δpga), respectively. more...

Organism:

Actinobacillus pleuropneumoniae serovar 1 str. 4074

Type:

Expression profiling by high throughput sequencing

Platform:

GPL32988

9 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Haemophilus influenzae; Porphyromonas gingivalis W83; Porphyromonas gingivalis

Type:

Expression profiling by array; Expression profiling by high throughput sequencing

Platforms:

GPL33075 GPL18755

24 Samples

Download data

(Submitter supplied) To understand the role of CdhR and its adjacent gene PG1236 in nitric oxide (NO) stress resistance, isogenic mutants P. gingivalis FLL457 (ΔPG1237::ermF), FLL458 (ΔPG1236::ermF) and FLL459 (ΔPG1236-37::ermF) were made by allelic exchange mutagenesis and their gene expression was studied under control and NO stress conditions. DNA microarray analysis of FLL457 showed that approximately 2% of the genes were up regulated and over 1% of the genes down regulated. more...

Organism:

Porphyromonas gingivalis W83; Haemophilus influenzae

Type:

Expression profiling by array

Platform:

GPL18755

12 Samples

Download data: XLS

(Submitter supplied) Actinobacillus pleuropneumoniae is the cause of porcine pleuropneumonia, a severe respiratory tract infection that is responsible for major economic losses to the swine industry. Many host-adapted bacterial pathogens encode systems known as phasevarions (phase-variable regulons). Phasevarions result from variable expression of cytoplasmic DNA methyltransferases. Variable expression results in genome-wide methylation differences within a bacterial population, leading to altered expression of multiple genes via epigenetic mechanisms. more...

Organism:

Escherichia coli; Actinobacillus pleuropneumoniae

Type:

Other

Platforms:

GPL33074 GPL33073

16 Samples

Download data: RDS

(Submitter supplied) To investigate the interaction between two porcine isolates of P. multocida (PM2 for type D and PM7 for type A) with Aeromonas caviae by co-culturing P. multocida in the conditioned media prepared from A. caviae

Organism:

Pasteurella multocida

Type:

Expression profiling by high throughput sequencing

Platform:

GPL32586

12 Samples

Download data: TXT

(Submitter supplied) Few studies have investigated host-bacterial interactions at sites of infection in humans using transcriptomics and metabolomics. Haemophilus ducreyi causes cutaneous ulcers in children and the genital ulcer disease chancroid in adults. We developed a human challenge model in which healthy adult volunteers are infected with H. ducreyi on the upper arm until they develop pustules. Here, we characterized host-pathogen interactions in pustules using transcriptomics and metabolomics and examined interactions between the host transcriptome and metabolome using integrated omics. more...

Organism:

[Haemophilus] ducreyi; Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL32713 GPL31188 GPL24676

20 Samples

Download data: TXT

(Submitter supplied) Acute pleuropneumonia in swine, caused by Actinobacillus pleuropneumoniae (APP), is characterized by a high and sustained fever. Fever creates an adverse environment for many bacteria leading to reduced bacterial proliferation; however, most pathogenic bacteria can tolerate higher temperatures. CpxAR is a two-component regulation system, ubiquitous among Gram-negative bacteria, which senses and responds to envelope alterations that are mostly associated with protein misfolding in the periplasm. more...

Organism:

Actinobacillus pleuropneumoniae

Type:

Expression profiling by high throughput sequencing

Platform:

GPL30447

6 Samples

Download data: TXT

(Submitter supplied) Nitrate metabolism is an adaptation mechanism used by many bacteria for survival under anaerobic environments. As a by-product of inflammation, nitrate is used by the intestinal bacterial pathogens to enable gut infection. However, the responses of bacterial respiratory pathogens to nitrate are less well understood. Actinobacillus pleuropneumoniae is an important bacterial respiratory pathogen of swine. more...

Organism:

Actinobacillus pleuropneumoniae serovar 1 str. 4074

Type:

Expression profiling by high throughput sequencing

Platform:

GPL32420

18 Samples

Download data: XLSX

(Submitter supplied) The transcriptional response of Haemophilus ducreyi to anaerobiosis was determined over the course of 18 h. Cells were collected from aerobic and anaerobic cultures at 4, 8, or 18 hours .

Organism:

[Haemophilus] ducreyi

Type:

Expression profiling by high throughput sequencing

Platform:

GPL31188

24 Samples

Download data: TXT

(Submitter supplied) Pasteurella multocida is a Gram-negative capsulated bacterium responsible for a range of diseases that cause severe morbidity and mortality in livestock animals. The hyaluronic acid (HA) capsule produced by P. multocida serogroup A strains is a critical virulence factor. In this study, we utilised transposon-directed insertion site sequencing (TraDIS) to identify genes essential for in vitro growth of P. multocida, and combined TraDIS with discontinuous density gradients (TraDISort) to identify genes required for HA capsule production and regulation in this pathogen. more...

Organism:

Pasteurella multocida

Type:

Other

Platform:

GPL21442

10 Samples

Download data: CSV

(Submitter supplied) The Gram-negative pathogen Pasteurella multocida is responsible for many important animal diseases. While a number of P. multocida virulence factors have been identified, very little is known about how gene expression and protein production is regulated in this organism. One mechanism by which bacteria regulate transcript abundance and protein production is riboregulation, which involves the interaction of a small RNA (sRNA) with a target mRNA to alter transcript stability and/or translational efficiency. more...

Organism:

Pasteurella multocida

Type:

Expression profiling by high throughput sequencing

Platform:

GPL31945

9 Samples

Download data: CSV

(Submitter supplied) Understanding constraints which shape antibiotic resistance is key for predicting and controlling drug resistance. Here, we performed high-throughput laboratory evolution of Actinobacillus pleuropneumoniae and its ciprofloxacin resistance-inducing derivatives.This study aims to explore the mechanism of acquired ciprofloxacin resistance in Actinobacillus pleuropneumoniae.

Organism:

Actinobacillus pleuropneumoniae

Type:

Expression profiling by high throughput sequencing

Platform:

GPL30447

6 Samples

Download data: FASTA, GFF3, TXT

(Submitter supplied) Nontypeable Haemophilus influenzae (NTHi) is a pathobiont which chronically colonises the airway of individuals with chronic respiratory disease. It is unclear how NTHi persists in the airway, however accumulating evidence suggests that NTHi can invade and persist within macrophages. To better understand the mechanisms of NTHi persistence within macrophages, this work developed an in vitro model of NTHi intracellular persistence using human monocyte-derived macrophages (MDM). more...

Organism:

Haemophilus influenzae; Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL30396 GPL24676

20 Samples

Download data: TXT

(Submitter supplied) Pathogenic bacteria encounter a variety of stressful host environments during infection. Their responses to meet these challenges protect them from deadly damages and aid in adaption to harmful environments. Bacterial products critical for this protection are therefore interesting as suitable targets for new antimicrobials. To shed light on the complex array of molecular pathways involved in bacterial stress responses we challenged 32 diverse human pathogenic bacteria to 11 infection related stress conditions and catalogued their transcriptomes. more...

Organism:

Borreliella burgdorferi; Pseudomonas aeruginosa; Legionella pneumophila; Klebsiella pneumoniae; Yersinia pseudotuberculosis; Vibrio cholerae; Streptococcus suis; Streptococcus agalactiae; Streptococcus pneumoniae; Mycobacterium tuberculosis; Burkholderia pseudomallei; Neisseria meningitidis; Staphylococcus epidermidis; Streptococcus pyogenes; Listeria monocytogenes; Salmonella enterica; Achromobacter xylosoxidans; Helicobacter pylori; Enterococcus faecalis; Campylobacter jejuni; Francisella tularensis; Acinetobacter baumannii; Neisseria gonorrhoeae; Escherichia coli; Shigella flexneri; Aggregatibacter actinomycetemcomitans; Haemophilus influenzae; Staphylococcus aureus subsp. aureus MRSA252; Staphylococcus aureus subsp. aureus MSSA476

Type:

Expression profiling by high throughput sequencing

30 related Platforms

1122 Samples

Download data: TXT

(Submitter supplied) Identify DEGs in H. parainfluenzae in monoculture vs coculture with S. mitis aerobically on BHI-YE HP at 37.C and 5% CO2

Organism:

Haemophilus parainfluenzae; Streptococcus mitis

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL29208 GPL29207

4 Samples

Download data: CSV, FA, FAA, GFF

(Submitter supplied) Comparison of RNA expression profiles from NTHi strain 723 strains expressing methyltransferase ModA2 (ON) or not (OFF)

Organism:

Haemophilus influenzae

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19560

6 Samples

Download data: TXT

(Submitter supplied) Identification of the direct target genes of a response regulators (RRs) of a bacterial two-component system (TCS) is critical to understand the roles of the TCS in bacterial environmental adaption and pathogenesis. A. pleuropneumoniae is an important respiratory bacterial pathogen causing great economic losses to swine industry worldwide. The triggering signal(s) and targets of the RR NarP belonging to the TCS NarQ/NarP of A. more...

Organism:

Actinobacillus pleuropneumoniae

Type:

Other

Platform:

GPL24322

2 Samples

Download data: BED

(Submitter supplied) We used an in vitro evolved strain of nontypeable Haemophilus influenzae (NTHI) to examine the metabolic contributions to persistence RNASeq analysis identified 55 transcripts that significantly changed in amount within in vitro biofilms formed by RM33, as compared to the parental strain. Expression of genes encoding all enzymes within the tryptophan and glycogen pathways was significantly increased in biofilms formed by RM33 and the parental strains. more...

Organism:

Haemophilus influenzae

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19560

8 Samples

Download data: TXT

(Submitter supplied) Haemophilus influenzae responds to the steroid beclomethasone used in asthma therapy by modulation of biofilm formation and antibiotic tolerance

Organism:

Haemophilus influenzae Rd KW20

Type:

Expression profiling by high throughput sequencing

Platform:

GPL26079

12 Samples

Download data: XLSX

(Submitter supplied) A major gap in understanding infectious diseases is the lack of information about molecular interaction networks between pathogens and the human host. Haemophilus ducreyi causes the genital ulcer disease chancroid in adults and is a leading cause of cutaneous ulcers in children in the tropics. We developed a model in which human volunteers are infected on the upper arm with H. ducreyi until they develop pustules. more...

Organism:

Homo sapiens; [Haemophilus] ducreyi

Type:

Expression profiling by high throughput sequencing

Platforms:

GPL20301 GPL26639 GPL26640

12 Samples

Download data: TXT