Riseriellus occultus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA254175 | ENA |
REPOSITORIES: ENA
Similar Datasets
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Therefore, based on the umbrella theory of precision medicine, we carried out this single-center, prospective, and observational study to include patients with liver metastases from colorectal cancer. By combining genome, transcriptome, and proteomic sequencing data, we established a basis for colorectal cancer liver Transfer the multi-omics data of the sample, describe the reason for the resistance of the first-line treatment, and search for new therapeutic targets.
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Project description: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. In a previous pilot study, we determined the human and H. ducreyi transcriptomes and the metabolome of pustule and wounded sites of 4 volunteers (B. Griesenauer, et al. mBio 10(3):e01193-19 https://doi.org/10.1128/mBio.01193-19). While we could form provisional transcriptional networks between the host and H. ducreyi, the study was underpowered to integrate the metabolome with the host transcriptome. To better define and integrate the transcriptomes and metabolome, we used samples from both the pilot study (n=4) and new volunteers (n=8) to identify 5,495 human differentially expressed genes (DEGs), 123 H. ducreyi DEGs, 205 differentially abundant positive ions, and 198 differentially abundant negative ions. We identified 42 positively correlated and 29 negatively correlated human-H. ducreyi transcriptome clusters. In addition, we defined human transcriptome-metabolome networks consisting of 9 total clusters, which highlighted changes in fatty acid metabolism and mitigation of oxidative damage. Taken together, the data suggest a mixed pro- and anti-inflammatory environment and rewired central metabolism in the host that provides a hostile, nutrient limited environment for H. ducreyi.
2022-11-01 | MSV000090626 | GNPS
Project description:In hypersaline brines, biodegradation of recalcitrant plant polymers can be inhibited by salt-induced microbial stress and/or caused by inadequate metabolic capabilities of extremely halophilic microbes. Therefore, woody materials can be well-preserved even in NaCl brines that are less biologically hostile than most other brines. Here, we considered whether the nanohaloarchaea, that live alongside (the related) haloarchaea, ever partake in the degradation of xylan, a major hemicellulose component of wood. Samples were taken from natural evaporitic brines and anthropogenic solar salterns located in various parts of Europe and Asia. We recently demonstrated that nanohaloarchaeon Ca. Nanohalobium constans lives as an ectosymbiont associated with the chitinolytic haloarchaeon Halomicrobium. Here, we describe an extremely halophilic xylan-degrading consortium with three members, where nanohaloarchaea act as ectosymbionts of Haloferax lucertensis, which in turn acts as a scavenger of xylan-degradation products, produced by a primary xylan hydrolytic Halorhabdus species. The two corresponding binary associations of nanohaloarchaea, Candidatus Nanohalococcus occultus SVXNc and Candidatus Nanohalovita haloferacivicina BNXNv and their hosts were obtained, stably cultivated and characterized. In contrast to the previously described association of chitinolytic haloarchaeon Halomicrobium and its amylolytic symbiont Ca. Nanohalobium, the host haloarchaea within the xylan-degrading consortium could metabolize α-glucans (glycogen and starch), and, thus, obtained no obvious trophic benefit from ectosymbionts. The current study has broadened the range of culturable ectosymbiontic nanohaloarchaea and demonstrates that they are an important ecophysiological component of polysaccharide-degrading halophilic microbial communities and can be readily isolated in binary co-cultures by using the appropriate enrichment strategy.
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2015-04-14 | MSV000079108 | MassIVE
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2023-04-01 | PXD032884 | JPOST Repository