Project description:The purpose of this experiment was to obtain samples for mRNA analysis in IHH cells infected with Zaire Ebola virus and mutants: Zaire Ebola virus: This wild-type Ebola virus - strain Mayinga - was isolated from a fatal human case in Zaire (now known as the Democratic Republic of Congo) in 1976 Zaire Ebola virus, VP35 R312A possesses a R312A mutation in the VP35 protein. Zaire Ebola virus, delta sGP. Lacks the ability to produce non-structural protein, the secreted glycoprotein (sGP). Zaire Ebola virus, delta mucin. Lacks the mucin-like domain (MLD), which contains both N-linked and O-linked glycosylation sites, for the glycoproteins.
Project description:The purpose of this experiment was to obtain samples for mRNA analysis in IHH cells infected with Zaire Ebola virus and mutants: Zaire Ebola virus: This wild-type Ebola virus - strain Mayinga - was isolated from a fatal human case in Zaire (now known as the Democratic Republic of Congo) in 1976 Zaire Ebola virus, VP35 R312A possesses a R312A mutation in the VP35 protein. Zaire Ebola virus, delta sGP. Lacks the ability to produce non-structural protein, the secreted glycoprotein (sGP). Zaire Ebola virus, delta mucin. Lacks the mucin-like domain (MLD), which contains both N-linked and O-linked glycosylation sites, for the glycoproteins.
Project description:In this study, the transcriptional response of two Mycobacterium tuberculosis strains to a pressure of the recently approved delamanid is investigated. RNA sequencing revealed that the response to this bicyclic nitroimidazole shows many similarities with the anti-tuberculous drug from the same class pretomanid. Although delamanid is found to inhibit cell wall synthesis, the expression of genes involved in this process were only mildly affected. In contrast, a clear parallel was found with components that affect aerobic respiration. This demonstrates that respiratory poisoning plays a fundamental role in the bactericidal effect of delamanid. Remarkably, the most highly induced genes comprise poorly characterized genes for which functional characterization might hint to the target molecule(s) of delamanid and its exact mode of action.
Project description:Maternal stress has long been associated with lower birthweight but mechanisms remain elusive. This study explored how maternal stress may impact changes in gene expression within a cohort of mother-placenta-newborn triads in the eastern Democratic Republic of Congo We used microarrays to detail the global programme of gene expression underlying the impact of maternal stress on newborn birthweight and identified that global placental gene expression may partially mediate the negative impact of maternal war stress on newborn birthweight.
Project description:Efflux pump overexpression is associated with drug resistance in Mycobacterium tuberculosis, but its role in delamanid resistance is not well understood. This study sought to identify efflux pump genes affected by delamanid exposure using transcriptomic analysis. Cultures of M. tuberculosis H37Rv were exposed to delamanid at a sub-inhibitory concentration of ½ MIC for 24 hours, and transcriptomic sequencing was conducted on both treated and untreated samples. Differentially expressed genes (DEGs) were annotated using the UniProt database. The analysis revealed significant upregulation of 23 efflux pump genes under delamanid stress, with 73.9% belonging to the ABC family, 17.39% to the RND family, and 8.69% to the MFS superfamily. These results highlight efflux pump genes that are responsive to sub-inhibitory levels of delamanid.
Project description:To understand the response of M. tuberculosis (MTB) to the drug delamanid, we performed transcriptomics on MTB bacilli exposed to the drug.
Project description:The purpose of this experiment was to obtain samples for mRNA analysis in IHH cells infected with Zaire Ebola virus and mutants: Zaire Ebola virus: This wild-type Ebola virus - strain Mayinga - was isolated from a fatal human case in Zaire (now known as the Democratic Republic of Congo) in 1976 Zaire Ebola virus, VP35 R312A possesses a R312A mutation in the VP35 protein. Zaire Ebola virus, delta sGP. Lacks the ability to produce non-structural protein, the secreted glycoprotein (sGP). Zaire Ebola virus, delta mucin. Lacks the mucin-like domain (MLD), which contains both N-linked and O-linked glycosylation sites, for the glycoproteins. Overview of Experiment: Cells: Immortalized Human Hepatocytes (IHH); seed 60,000 cells per well in a 24-well plate. Infected with a multiplicity of infection (MOI) of 0.5. After infection, 3x wash with PBS and replace with 5% FCS DMEM without NaPyr or NEAA. Time matched mocks done in triplicate from same cell stock as rest of samples. Time Points = 0, 6, 12, 24, 48, and 72 hrs post infection in triplicate.
Project description:The purpose of this experiment was to obtain samples for mRNA analysis in IHH cells infected with Zaire Ebola virus and mutants: Zaire Ebola virus: This wild-type Ebola virus - strain Mayinga - was isolated from a fatal human case in Zaire (now known as the Democratic Republic of Congo) in 1976 Zaire Ebola virus, VP35 R312A possesses a R312A mutation in the VP35 protein. Zaire Ebola virus, delta sGP. Lacks the ability to produce non-structural protein, the secreted glycoprotein (sGP). Zaire Ebola virus, delta mucin. Lacks the mucin-like domain (MLD), which contains both N-linked and O-linked glycosylation sites, for the glycoproteins. Overview of Experiment: Cells: Immortalized Human Hepatocytes (IHH); seed 60,000 cells per well in a 24-well plate. Infected with a multiplicity of infection (MOI) of 0.5. After infection, 3x wash with PBS and replace with 5% FCS DMEM without NaPyr or NEAA. Time matched mocks done in triplicate from same cell stock as rest of samples. Time Points = 0, 6, 12, 24, 48, and 72 hrs post infection in triplicate.
Project description:Transcriptional profiling of Mycobacterium tuberculosis H37Rv strains comparing control DMSO treated strains with Linezolid treated strains. Goal was to determine the effects of Linezolid against Mycobacterium tuberculosis H37Rv strains. Two-condition experiment,control DMSO treated strains vs. Linezolid treated strains. Biological replicates: 2 control replicates, 2 Linezolid replicates.
Project description:The study aims to identify genes associated with Linezolid resistance. Linezolid resistant strains were compared to a Linezolid sensitive reference strain in the presence of linezolid and absence of linezolid (mock).