The transcriptional response of prostate cells to infection with Trichomonas vaginalis and Mycoplasma hominis
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1166329 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR30825876_1.fastq.gz | Fastqsanger.gz | |||
| SRR30825876_2.fastq.gz | Fastqsanger.gz | |||
| SRR30825877_1.fastq.gz | Fastqsanger.gz | |||
| SRR30825877_2.fastq.gz | Fastqsanger.gz | |||
| SRR30825878_1.fastq.gz | Fastqsanger.gz |
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Project description:The sexually transmitted parasite Trichomonas vaginalis is often found in symbiosis with the obligate intracellular pathogen Mycoplasma hominis. M. hominis is itself an opportunistic pathogen of the female reproductive tract associated with bacterial vaginosis. The goal of this experiment was to identify the effects of each pathogen individually and in symbiosis on host cell gene expression.
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Project description:The sexually transmitted parasite Trichomonas vaginalis secretes extracellular vesicles (TvEVs) that are internalized by human host cells. The goal of this experiment was to identify the effects of TvEV uptake on host cell gene expression.
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Project description:Transcriptional changes of Trichomonas vaginalis cultured in the low-iron and high-iron conditions.
2010-07-24 | E-MTAB-126 | biostudies-arrayexpress
Project description:Trichomonas vaginalis, a common sexually transmitted parasite that colonizes the human urogenital tract, secretes extracellular vesicles (TvEVs) that are taken up by human cells and are speculated to be taken up by parasites as well. While the crosstalk between TvEVs and human cells has led to insight into host:parasite interactions, the role of TvEVs in infection have largely been one-sided, with little known about the effect of TvEV uptake by T. vaginalis. Approximately 11% of infections are found to be co-infections of multiple T. vaginalis strains. Clinical isolates often differ in their adherence to and cytolysis of host cells, underscoring the importance of understanding the effects of TvEV uptake within the parasite population. To address this question our lab observed the effects of EV uptake by T. vaginalis on parasite gene expression. Using RNA-seq, we showed that TvEVs upregulate expression of predicted parasite membrane proteins and identified a novel adherence factor, heteropolysaccharide binding protein (HPB2).
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Project description:Trichomonas vaginalis Genome sequencing
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Project description:Trichomonas vaginalis Transcriptome or Gene expression
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Project description:Trichomonas vaginalis Transcriptome or Gene expression
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Project description:The features of Mycoplasma in human organ such lung and urinary tract are enigmatic. Here, the role of M. hominis in regard to biofilm formation of uropathogenic Escherichia coli (UPEC) strain CFT073 was investigated. Although M. hominis were inferred to not impact on UPEC bacterial fitness including growth and productions of signaling molecules as autoinducer-2 (AI-2) and indole, we found that the presence of M. hominis dramatically decreased biofilm formation of UPEC CFT073 as well as slightly repressed attachment and cytotoxicity of that. Importantly, this activity was observed on UPEC strain specifically, not enterohemorrhagic E. coli (EHEC) strain that exists on intestine. Whole-transcriptome profiling and quantitative real-time polymerase chain reaction (qRT-PCR) analysis revealed PhoPQ system and anti-termination protein (encoded by ybcQ) participates on the reduction of biofilm formation by M. hominis (corroborated by qRT-PCR). Furthermore, collaborating with previous report that toxin-antitoxin (TA) system involved in biofilm formation, M. hominis increased on the transcriptions of toxin genes including hha (toxin gene in Hha-TomB TA system) and pasT (toxin part in PasT-PasI TA system). Hence, we propose that one possible role of M. hominis is to influence bacterial biofilm formation in urinary tract. Only fourteen genes were induced (2.5-fold) by the presence of M. hominis in Uropathogenic Escherichia coli (UPEC) biofilm cells. Among upregulated genes, ybcQ (encodes anti-termination protein Q homolog) and phoP/phoQ (encode DNA-binding response regulators in two-component regulatory system), were induced by the presence of M. hominis. Two-condition experiment, UPEC CFT073 alone vs. UPEC CFT073 with Mycoplasma hominis PG21 (10^5 ccu/ml). For preparing the total RNA, UPEC CFT073 cells were grown at 37°C in biofilm cells on glass wool with or without M. hominis for 24 h.
2016-01-08 | E-GEOD-43376 | biostudies-arrayexpress
Project description:Trichomonas vaginalis is a sexually transmitted infection that causes vaginitis and increases the risk of HIV transmission. We are interested in the secreted and membrane glycoproteins of Trichomonas because they are likely involved in pathogenesis and may include novel vaccine targets. Four mass spectrometric methods (identification of all parasite proteins, glycoprotein enrichment with the plant lectin Concanavalin A, peptide:N-glycanase treatment to identify occupied N-glycans sites, and analysis of N-terminal peptides) were used to identify >300 Trichomonas secreted and membrane proteins. The first group of these proteins, which were present in multiple genome copies and had homologs in diverse eukaryotes, included 1) those involved in the N-glycan-dependent quality control protein folding in the ER lumen, 2) metalloproteases, serine proteases, cysteine proteases, and other lysosomal enzymes, and 3) transporters and membrane-associated cyclases. The second group of secreted and membrane proteins were, for the most part, encoded by single copy genes, unique to Trichomonas, and missing N-terminal signal peptides. The latter observation is despite evidence that the signal peptide peptidase functions normally in Trichomonas. As the unique secreted and membrane proteins of Trichomonas were often large and lacked features that make it easy to choose vaccine candidates, alternative strategies for vaccination and/or therapy are discussed.
2022-02-22 | PXD000699 | Pride
Project description:The features of Mycoplasma in human organ such lung and urinary tract are enigmatic. Here, the role of M. hominis in regard to biofilm formation of uropathogenic Escherichia coli (UPEC) strain CFT073 was investigated. Although M. hominis were inferred to not impact on UPEC bacterial fitness including growth and productions of signaling molecules as autoinducer-2 (AI-2) and indole, we found that the presence of M. hominis dramatically decreased biofilm formation of UPEC CFT073 as well as slightly repressed attachment and cytotoxicity of that. Importantly, this activity was observed on UPEC strain specifically, not enterohemorrhagic E. coli (EHEC) strain that exists on intestine. Whole-transcriptome profiling and quantitative real-time polymerase chain reaction (qRT-PCR) analysis revealed PhoPQ system and anti-termination protein (encoded by ybcQ) participates on the reduction of biofilm formation by M. hominis (corroborated by qRT-PCR). Furthermore, collaborating with previous report that toxin-antitoxin (TA) system involved in biofilm formation, M. hominis increased on the transcriptions of toxin genes including hha (toxin gene in Hha-TomB TA system) and pasT (toxin part in PasT-PasI TA system). Hence, we propose that one possible role of M. hominis is to influence bacterial biofilm formation in urinary tract. Only fourteen genes were induced (2.5-fold) by the presence of M. hominis in Uropathogenic Escherichia coli (UPEC) biofilm cells. Among upregulated genes, ybcQ (encodes anti-termination protein Q homolog) and phoP/phoQ (encode DNA-binding response regulators in two-component regulatory system), were induced by the presence of M. hominis.
2016-01-08 | GSE43376 | GEO