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Project description:The increasing antibiotic resistance of Klebsiella pneumoniae poses a serious threat to global public health. To investigate the antibiotic resistance mechanism of Klebsiella pneumonia, we performed gene expression profiling analysis using RNA-seq data for clinical isolates of Klebsiella pneumonia, KPN16 and ATCC13883. Our results showed that mutant strain KPN16 is likely to act against the antibiotics through increased increased butanoate metabolism and lipopolysaccharide biosynthesis, and decreased transmembrane transport activity.
2023-04-18 | GSE229867 | GEO
Project description:Klebsiella pneumoniae is an arising threat to human health. However, host immune responses in response to this bacterium remain to be elucidated. The goal of this study was to identify the dominant host immune responses associated with Klebsiella pneumoniae pulmonary infection. Pulmonary mRNA profiles of 6-8-weeks-old BALB/c mice infected with/without Klebsiella pneumoniae were generated by deep sequencing using Illumina Novaseq 6000. qRT–PCR validation was performed using SYBR Green assays. Using KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis, we identified several immune associated pathways, including complement and coagulation cascades, Toll-like receptor signaling pathway, Rap1 signaling pathway, chemokine signaling pathway, TNF signaling pathway, phagosome and NOD-like receptor signaling pathway, were involved in Klebsiella pneumoniae pulmonary infection. Using ICEPOP (Immune CEll POPulation) analysis, we found that several cell types were involved in the host immune response to Klebsiella pneumoniae pulmonary infection, including dendritic cells, macrophages, monocytes, NK (natural killer) cells, stromal cells. Further, IL-17 chemokines were significantly increased during Klebsiella pneumoniae infection. This study provided evidence for further studying the pathogenic mechanism of Klebsiella pneumoniae pneumonia infection.
2021-03-30 | GSE171048 | GEO
Project description:To profile the expression of microRNAs (miRNAs) in the whole blood of mice in exposure to intraperitoneal lipopolysaccharide (LPS) injection. C57BL/6 mice which received intraperitoneal injections of different concentration (ranged from 10 to 1000 μg) of LPS originated from different bacteria, including E. coli, Klebsiella pneumonia, Pseudomonas aeruginosa, Salmonella enterica, and Serratia marcescens were sacrificed at indicated survival times (2, 6, 24, and 72 h) following LPS injection. The whole blood was drawn and the tissues including lung, brain, liver and spleen were harvested for miRNAs expression analysis with miRNA array (Phalanx Mouse & Rat miRNA OneArray® 1.0). These differentially expressed miRNAs were applied for hierarchical cluster analysis using average linkage and Pearson correlation as a measure of similarity.
2012-12-21 | GSE36472 | GEO
Project description:Klebsiella pneumonia Genome sequencing and assembly
| PRJNA323954 | ENA
Project description:To profile the expression of microRNAs (miRNAs) in the whole blood of mice in exposure to intraperitoneal lipopolysaccharide (LPS) injection. C57BL/6 mice which received intraperitoneal injections of different concentration (ranged from 10 to 1000 μg) of LPS originated from different bacteria, including E. coli, Klebsiella pneumonia, Pseudomonas aeruginosa, Salmonella enterica, and Serratia marcescens were sacrificed at indicated survival times (2, 6, 24, and 72 h) following LPS injection. The whole blood was drawn and the tissues including lung, brain, liver and spleen were harvested for miRNAs expression analysis with miRNA array (Phalanx Mouse & Rat miRNA OneArray® 1.0). These differentially expressed miRNAs were applied for hierarchical cluster analysis using average linkage and Pearson correlation as a measure of similarity. lung, brain, liver, spleen, blood in experiment mice exposed to 100 ug lipopolysaccharide or control mice exposed to PBS solution were harvested 6 h later (n=3 in each specimens, total 5(tissues)*3(n=3)*2(experiment vs control)=30 arrays were used)
2012-12-21 | E-GEOD-36472 | biostudies-arrayexpress