Meconium microbiome analysis identifies bacteria correlated with premature birth/Experiment 2

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Reviewed Marked as Reviewed by Fatima on 2021/07/16

Curated date: 2021/01/10

Curator: WikiWorks

Revision editor(s): Rimsha, WikiWorks, Folakunmi

Subjects

Location of subjects
United States of America
Host species Species from which microbiome was sampled. Contact us to have more species added.
Homo sapiens
Body site Anatomical site where microbial samples were extracted from according to the Uber Anatomy Ontology
Meconium Meconium,meconium
Condition The experimental condition / phenotype studied according to the Experimental Factor Ontology
Premature birth Birth, Premature,Birth, Preterm,Births, Premature,Births, Preterm,Premature Births,Preterm Birth,Preterm Births,Premature birth,premature birth
Group 0 name Corresponds to the control (unexposed) group for case-control studies
>/=33 weeks
Group 1 name Corresponds to the case (exposed) group for case-control studies
infants <33 weeks gestational age
Group 1 definition Diagnostic criteria applied to define the specific condition / phenotype represented in the case (exposed) group
the study groups are devided into two groups acc to the gestational age. 1) gestational age < 33 weeks. 2) gestational age >/= 33 weeks
Group 0 sample size Number of subjects in the control (unexposed) group
17
Group 1 sample size Number of subjects in the case (exposed) group
35

Lab analysis

Sequencing type
16S
16S variable region One or more hypervariable region(s) of the bacterial 16S gene
V4
Sequencing platform Manufacturer and experimental platform used for quantifying microbial abundance
Ion Torrent

Statistical Analysis

Statistical test
Spearman Correlation
Significance threshold p-value or FDR threshold used for differential abundance testing (if any)
0.05
MHT correction Have statistical tests be corrected for multiple hypothesis testing (MHT)?
No
Confounders controlled for Confounding factors that have been accounted for by stratification or model adjustment
birth weight, chorioamnionitis, sex, Confounders controlled for: "infant antibiotic" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.infant antibiotic, Confounders controlled for: "maternal antibiotic" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.maternal antibiotic, Confounders controlled for: "insurance" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.insurance, Confounders controlled for: "ROM>18 h" is not in the list (abnormal glucose tolerance, acetaldehyde, acute graft vs. host disease, acute lymphoblastic leukemia, acute myeloid leukemia, adenoma, age, AIDS, alcohol consumption measurement, alcohol drinking, ...) of allowed values.ROM>18 h, feeding practices

Alpha Diversity

Shannon Estimator of species richness and species evenness: more weight on species richness
unchanged
Chao1 Abundance-based estimator of species richness
unchanged
Richness Number of species
unchanged

Signature 1

Reviewed Marked as Reviewed by Shaimaa Elsafoury on 2021/02/09

Curated date: 2021/01/10

Curator: Rimsha Azhar

Revision editor(s): WikiWorks

Source: Table 1

Description: Phyla, family, and genera taxonomy significantly correlated with gestational age

Abundance in Group 1: increased abundance in infants <33 weeks gestational age

NCBI Quality ControlLinks
Bacillota
Bacillaceae
Staphylococcaceae
Enterococcaceae
Lactobacillaceae
Lactobacillaceae
Clostridiaceae
Peptostreptococcaceae
Veillonellaceae
Erysipelotrichaceae
Bifidobacteriaceae
Enterobacteriaceae
Bacillus
Staphylococcus
Enterococcus
Vagococcus
Lactobacillus
Leuconostoc
Clostridium
Veillonella
Negativicoccus
Bifidobacterium
Enterobacter
Citrobacter
Erwinia
Klebsiella
Raoultella
Pantoea
Photorhabdus
Tannerella
Actinomycetota

Revision editor(s): WikiWorks

Signature 2

Reviewed Marked as Reviewed by Shaimaa Elsafoury on 2021/02/09

Curated date: 2021/01/10

Curator: Rimsha Azhar

Revision editor(s): WikiWorks

Source: Table 1

Description: Phyla, family, and genera taxonomy significantly correlated with gestational age

Abundance in Group 1: decreased abundance in infants <33 weeks gestational age

NCBI Quality ControlLinks
Oxalicibacterium

Revision editor(s): WikiWorks