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PRJNA1110638 SRP507712

Fecal metagenome in obesity and thiamine, Nanjing, China

OB fecal sample Metagenome

63 fecal samples from a case-control cohort in Nanjing, China (31 healthy controls, 32 individuals with obesity), studying gut microbial thiamine (vitamin B1) production and its link to obesity. machine-written summary

63 samples · 63 runs · CN · Age unknown · 2025 · 11.57 Gbp / sample

Sources
✓Sequence archive 377✓Abstract / description 63✓Full text 126○Supplementary tables–External resources–User contribution–Human verified

Checked this project's papers and archive records yourself? Mark it human-verified.

what each source gave
✓ Sequence archive377 sample values (collection date, country, latitude, location locality, location region, longitude)
✓ Abstract / description63 sample values (health condition detail)
✓ Full text126 sample values (location site, subject id) · PMC12209360
○ Supplementary tablesfiles read; no table could be matched to the samples
– External resourcesnot covered by the external resources we ingest
– User contributionnothing uploaded yet · share metadata
– Human verifiednot yet checked by a person · I checked this project — verify it
Samples at a glance
1 sampling locations · 1 country
Age
unknown63
Country
CN63
Body site
primary63
Sequencing depth per sample · this project all projects
all projects, 0–0.03 Gbp: 25,080 samples (4 %)all projects, 0.03–0.1 Gbp: 17,066 samples (3 %)all projects, 0.1–0.3 Gbp: 29,179 samples (5 %)all projects, 0.3–1 Gbp: 47,044 samples (8 %)all projects, 1–3 Gbp: 124,983 samples (22 %)all projects, 3–10 Gbp: 253,728 samples (44 %)this project, 3–10 Gbp: 8 samplesall projects, 10–30 Gbp: 72,533 samples (13 %)this project, 10–30 Gbp: 55 samplesall projects, 30–100 Gbp: 3,024 samples (1 %)all projects, 100–300 Gbp: 106 samples (0 %)all projects, ≥ 300 Gbp: 9 samples (0 %)project median 11.57 Gbp per sample0130Gbp
Community composition
Faecalibacterium 9.4%Bifidobacterium 9.4%Prevotella 6.6%Collinsella 5.6%Alistipes 4.5%Bacteroides 3.7%Gemmiger 3.0%Blautia_A 2.9%Escherichia 2.9%Dialister 2.6%Mediterraneibacter 2.6%Phocaeicola 2.2%not assigned to a genus 4.5%other genera 40.0%

Genera, mean relative abundance over 63 profiled gut samples of this project (Sandpiper SingleM profiles, GTDB R232; low-depth and non-metagenome profiles left out).

Field coverage
fieldsamplescoverageR1R2R3R4
age_category0 0%
country63 100%63
health_condition0 0%
subject_id63 100%63
collection_date63 100%63
detailed_location63 100%
health_condition_detail63 100%63
latitude63 100%63
location_locality63 100%63
location_site63 100%63
longitude63 100%63
location_region62 98%62
Papers (1)
  • Multi-omics analyses reveal altered gut microbial thiamine production in obesity. 2025 PMID 40600142 PMC12209360 own_data
Details
Archive description

to explore the vitamine metabolism of obese microbiome

How this project entered the registry

Classified as human gut / stool shotgun DNA metagenome of age unknown by sonnet_x2 with confidence 0.60. Assay shotgun_dna.

  • host run.host_tax_id · “9606”
  • body site study.title · “OB fecal sample Metagenome”
Evidence examples (one per field × route)
samplefieldvaluerouteconf.sourcequote
SAMN41374219collection_date2023R10.90biosample.attribute:collection_date2023
SAMN41374219countryCNR10.90sample.attr.geo_loc_nameChina: nanjing
SAMN41374219health_condition_detailmixed_case_control: healthy controls vs individuals with obesityR40.50paper.abstract31 healthy controls and 32 individuals with obesity
SAMN41374219latitude32.0603R10.90biosample.attribute:lat_lon32.0603 N 118.7969 E
SAMN41374219location_localityNanjingR10.85biosample.attribute:geo_loc_nameChina: nanjing
SAMN41374219location_regionJiangsu ShengR10.60biosample.attribute:lat_lon32.0603 N 118.7969 E
SAMN41374219location_siteNanjing Drum Tower HospitalR30.70paper.fulltext.methodsrecruited from The Nanjing Drum Tower Hospital
SAMN41374219longitude118.7969R10.90biosample.attribute:lat_lon32.0603 N 118.7969 E
SAMN41374219subject_idSAMN41374219R30.70design.one_sample_per_subject:fulltexta total of 31 healthy controls and 32 patients with obesity were recruited
Sequencing

63 runs over 63 samples · mean 11.49 Gbp per run (median 11.57 Gbp, total 724.04 Gbp; 63 runs with a base count) · layout PAIRED 63 · platform ILLUMINA 63 · models Illumina NovaSeq 6000 (63) · 100% of runs with a Sandpiper profile · first public 2025-06-23

Authors (6)

Xia Y first · Lu L · Wang L · Qiu Y · Liu X · Ge W last

Help complete this project

2 of the 4 core fields are below 50% coverage: age_category, health_condition. Share metadata

Downloads

PRJNA1110638.csv.gz (2.8 KB) · parquet (73.4 KB) — all 63 samples, every field with route and confidence · PRJNA1110638_determinations.csv.gz (5.1 KB) — 566 evidence rows

Samples (63 · every field this project has values for · hover a cell for its source)
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