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Gut environments harbour dense microbial ecosystems in which plasmids are widely distributed. Plasmids facilitate the exchange of genetic material among microorganisms while enabling the transfer of a diverse array of accessory functions. However, their precise impact on microbial community compo...

2023-08-10 | MTBLS7248 | MetaboLights
The characteristics of global gene expression patterns during umbilical cord blood (UCB)-CD34+ stem cell-derived erythropoiesis are not clearly elucidated. In this study, UCB-stem cells were grown in liquid culture as a model for this process. We observed a high proliferative capacity of UCB-stem ce...
ORGANISM(S): Homo sapiens 
The fetal and adult globin genes in the human b-globin cluster on chromosome 11 are sequentially expressed to achieve normal hemoglobin switching during human development. The pharmacological induction of fetal g-globin (HBG) to replace abnormal adult sickle bS-globin is a successful strategy to tre...
ORGANISM(S): Homo sapiens 
Heritable genetic variants modify cystic fibrosis (CF) clinical phenotypes, e.g., lung disease, age-of-onset of persistent Pseudomonas aeruginosa (P. aeruginosa), and meconium ileus (MI).  Previous genome wide association studies (GWAS) have begun to inform the genetic architecture of CF phenotypes...
ORGANISM(S): Homo sapiens 
Ferric uptake regulator (Fur) is the major regulator of iron acquisition in Escherichia coli and other bacteria. In the present study, the role of Fur in anaerobic S. enterica serovar Typhimurium was determined by transcriptome analysis, reporter assays, and enzymatic assays. In anaerobic ?fur, 298 ...
ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium 
Cancer results from molecular mutations occurring in specific cell types, thus determining the cell-of-origin is critical for effective cancer treatment. Inferring such information from terminal tumors can be misleading because malignant tumor cells tend to acquire aberrant properties. Animal models...
ORGANISM(S): Mus musculus 
Regulation of gene expression by small non-coding RNAs (sRNAs) plays a critical role in bacterial response to physiological stresses. NrrF, a trans-acting sRNA in Neisseria meningitidis and Neisseria gonorrhoeae, has been shown in the meningococcus to indirectly control, in response to iron (Fe) av...
ORGANISM(S): Neisseria gonorrhoeae 
DC3000 cultures were grown under highly controlled conditions and after the addition of iron citrate or sodium citrate to the media. In the cultures supplemented with iron, we found that cell-associated iron increased rapidly while culture densities were not significantly different over 4 hours when...
ORGANISM(S): Pseudomonas syringae pv. tomato str. DC3000 
Reactive nitrogen species (RNS) derived from dietary and salivary inorganic nitrates (NO3-) foment innate host defenses associated with the acidity of the stomach. The mechanisms by which these reactive species exert antibiotic activity in the gastric lumen are, however, poorly understood. To iden...
ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium 
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