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MetabolomicsProduction of new microbially conjugated bile acids by human gut microbiota

Gut microbes have been recognized to convert the human bile acids by deconjugation, dehydroxylation, dehydrogenation and epimerization of the cholesterol core, but the ability to re-conjugate them with amino acids as an additional conversion has only been recently described. These new bile acids ...

2024-01-16 | MTBLS4140 | MetaboLights
MetabolomicsGut Microbiome Composition Is Associated With Future Onset of Crohn's Disease in Healthy First-Degree Relatives.

BACKGROUND & AIMS: The cause of Crohn's disease (CD) is unknown, but the current hypothesis is that microbial or environmental factors induce gut inflammation in genetically susceptible individuals, leading to chronic intestinal inflammation. Case-control studies of patients...

2023-11-16 | MTBLS300 | MetaboLights
TranscriptomicsXenobiotics shape the physiology and gene expression of the active human gut microbiome
The human gut is colonized by trillions of microorganisms that influence human health and disease through the metabolism of xenobiotics, including therapeutic drugs and antibiotics. The diversity and metabolic potential of the human gut microbiome have been extensively characterized, but it remains ...
ORGANISM(S): human gut metagenome 
2012-10-30 | E-GEOD-38151 | biostudies-arrayexpress
MetabolomicsAberrant gut microbiota alters host metabolome and impacts renal failure in humans and rodents

OBJECTIVE: Patients with renal failure suffer from symptoms caused by uraemic toxins, possibly of gut microbial origin, as deduced from studies in animals. The aim of the study is to characterise relationships between the intestinal microbiome composition, uraemic toxins and rena...

2020-10-20 | MTBLS700 | MetaboLights
ProteomicsMetaproteomic portrait of the healthy human gut microbiota
Metaproteomic portrait of the healthy human gut microbiota. Re-analysis of existing datasets, selected based on the following inclusion criteria: human cohort including at least 5 healthy (clearly not labeled as diseased) adult (>18 years old) individuals; data derived from LC-MS/MS DDA label-free a...
ORGANISM(S): human gut metagenome 
2024-05-16 | PXD046818 | Pride
Metaproteomics Healthy human gut Functions Gut microbiota Stool 
TranscriptomicsDetection of antibiotic resistance genes in human gut microbiota
We used a DNA microarray chip covering 369 resistance types to investigate the relation of antibiotic resistance gene diversity with humansM-bM-^@M-^Y age. Metagenomic DNA from fecal samples of 123 healthy volunteers of four different age groups, i.e. pre-school Children (CH), School Children (SC), ...
ORGANISM(S): human gut metagenome 
2014-01-16 | E-GEOD-54070 | biostudies-arrayexpress
MetabolomicsMulti-level analysis of gut microbiome extracellular vesicles-host interaction reveals a connection to gut-brain axis signaling.

Microbiota-released extracellular vesicles (MEVs) have emerged as a key player in intercellular signaling. However, their involvement in the gut-brain axis has been poorly investigated. In this study, we aimed to investigate the cargo capacity of MEVs for bioactive metabolites and their interacti...

2025-08-12 | MTBLS8494 | MetaboLights
ProteomicsRelating human gut metagenome and metaproteome
Gut microbiome research is rapidly moving towards the functional characterization of the microbiota by means of shotgun meta-omics. Here, we selected a cohort of healthy subjects from an indigenous and monitored Sardinian population to analyze their gut microbiota using both shotgun metagenomics and...
ORGANISM(S): human gut metagenome 
2017-07-19 | PXD005780 | Pride
Gut metagenome Gut metaproteome Metaproteomics 
MetabolomicsAntibiotics create a shift from mutualism to competition in human gut communities with a longer-lasting impact on fungi than bacteria

Background

Antibiotic treatment has a well-established detrimental effect on the gut bacterial composition, but effects on the fungal community are less clear. Bacteria in the lumen of the gastrointestinal tract may limit fungal colonization and invasion. Antibiotic drugs t...

2020-09-28 | MTBLS1846 | MetaboLights
Genomics16S sequencing of gut microbiota in healthy individuals from different regions
In this study we investigated whether gut microbiota profile of Italian healthy volunteers could differ based on their geaographical origin. To this purpose, fecal samples were collected from 31 healthy individuals living in 3 different italian regions (Lombardy, North; Lazio, Center; Apulia, South)...
ORGANISM(S): human gut metagenome 
2026-01-08 | E-MTAB-8136 | biostudies-arrayexpress
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