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PRJNA706606 SRP309267

Water chlorination and children's gut microbiome, Bangladesh

Impact of Water Chlorination of Children's Gut Microbiomes in Bangladesh

95 stool samples from children in two low-income urban communities in Bangladesh (Tongi and Dhaka Uddan), studying the impact of automated water chlorination via a cluster randomized controlled trial. machine-written summary

95 samples · 95 runs · BD · Child · 2021 · 11.34 Gbp / sample

Sources
✓Sequence archive 95○Abstract / description–Full text–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 archive95 sample values (country)
○ Abstract / descriptionread; no usable statement
– Full textno open-access full text linked
– Supplementary tablesno supplementary tables available (or none open access)
– 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
Interventions

intervention — arms not resolved

Other administered intervention (see intervention_detail) design randomized_controlled_trial · population healthy_control · Automated water chlorination at shared taps vs control

“cluster randomized controlled trial of automated water chlorination” — bioproject.description (study level; per-sample arms are in the intervention column below)

Samples at a glance
1 country
Age
unknown95
Country
BD95
Body site
primary95
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: 1 samplesall projects, 10–30 Gbp: 72,533 samples (13 %)this project, 10–30 Gbp: 94 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 11.34 Gbp per sample0130Gbp
Community composition
Prevotella 44.7%Bifidobacterium 7.4%Megasphaera 3.1%Alloprevotella 2.8%Bacteroides 2.4%Faecalibacterium 2.3%Roseburia 2.2%Dialister 1.8%Ligilactobacillus 1.7%Phocaeicola 1.4%Escherichia 1.4%Collinsella 1.3%not assigned to a genus 2.1%other genera 25.5%

Genera, mean relative abundance over 86 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%
country95 100%95
health_condition0 0%
subject_id0 0%
Papers (1)
  • (no title) curated
Details
Archive description

Analysis of childrens stool samples collected during a cluster randomized controlled trial of automated water chlorination at shared taps in two low income urban communities in Bangladesh. Stool samples were frozen but not preserved in conservation medium following collection.

How this project entered the registry

Classified as human gut / stool shotgun DNA metagenome of child and infant / toddler by sonnet_x2 with confidence 0.60. Assay shotgun_dna.

  • host study.title · “Children's Gut Microbiomes in Bangladesh”
  • body site study.description · “childrens stool samples collected”
  • life stage study.title · “Children's Gut Microbiomes”
Evidence examples (one per field × route)
samplefieldvaluerouteconf.sourcequote
SAMN18138612countryBDR10.90biosample_attrBangladesh: Dhaka Uddan
Sequencing

95 runs over 95 samples · mean 11.93 Gbp per run (median 11.34 Gbp, total 1,133.59 Gbp; 95 runs with a base count) · layout PAIRED 95 · platform ILLUMINA 95 · models Illumina NovaSeq 6000 (95) · 91% of runs with a Sandpiper profile · first public 2021-09-02

Authors (13)

Montealegre MC first · Greenwood EE · Teichmann L · Nadimpalli ML · Caduff L · Swarthout JM · Nydegger T · Sultana S · Islam MA · Lanza VF · Luby SP · Pickering AJ · Julian TR last

Help complete this project

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

Downloads

PRJNA706606.csv.gz (3.1 KB) · parquet (72.7 KB) — all 95 samples, every field with route and confidence · PRJNA706606_determinations.csv.gz (623 B) — 95 evidence rows

Samples (95 · every field this project has values for · hover a cell for its source)
Loading the sample table…