Evidence map›Paper›PMID 24244304›Full record

Trial reportPloS one2013

Mother-to-infant transmission of intestinal bifidobacterial strains has an impact on the early development of vaginally delivered infant's microbiota.

Hiroshi Makino, Akira Kushiro, Eiji Ishikawa, Hiroyuki Kubota, Agata Gawad, Takafumi Sakai, Kenji Oishi, Rocio Martin, Kaouther Ben-Amor, Jan Knol and 1 more

Registry-linked trialOpen access · goldAbstract readClinical Trial
In one paragraph

Trial report in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05730569 (Description and Comparison of Biological Vulnerability in Small Vulnerable Newborns Versus Healthy Community Controls in Urban Burkina Faso), which is not on this map. Cited by 161 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
161citing papers in PubMed, 4 pooled it
11.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05730569 unknown statusnot on this mapstarted 2023, after this paper: background citation

Description and Comparison of Biological Vulnerability in Small Vulnerable Newborns Versus Healthy Community Controls in Urban Burkina Faso (DenBalo): Gut Microbiota, Immune System, and Breastmilk Assembly and Development in the First Days and Weeks of Life

TypeobservationalSponsorUniversity GhentRan2023 to 2024Enrolled140ConditionsPreterm Birth, Low Birth Weight, Small for Gestational Age at Delivery
3 · Its place in the literature

Who cites it

161 citing papers in PubMed, 4 syntheses or guidelines pooled it, 298 citations in OpenAlex.

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  3. Pediatrics Consequences of Caesarean Section-A Systematic Review and Meta-Analysis.International journal of environmental research and public health · 2020
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101 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 4 institutions in 3 countries.

Hiroshi MakinoYakult Central Institute for Microbiological Research, Tokyo, Japan.
Akira Kushiro
Eiji Ishikawa
Hiroyuki Kubota
Agata Gawad
Takafumi Sakai
Kenji Oishi
Rocio Martin
Kaouther Ben-Amor
Jan Knol
Ryuichiro Tanaka
Yakult Central Institute · JPClinical Nutrition Research Centre · SGDanone (Netherlands) · NLNutricia Research (Netherlands) · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesBifidobacterium species are one of the major components of the infant's intestine microbiota. Colonization with bifidobacteria in early infancy is suggested to be important for health in later life. However, information remains limited regarding the source of these microbes. Here, we investigated whether specific strains of bifidobacteria in the maternal intestinal flora are transmitted to their infant's intestine. MATERIALS AND

methodsFecal samples were collected from healthy 17 mother and infant pairs (Vaginal delivery: 12; Cesarean section delivery: 5). Mother's feces were collected twice before delivery. Infant's feces were collected at 0 (meconium), 3, 7, 30, 90 days after birth. Bifidobacteria isolated from feces were genotyped by multilocus sequencing typing, and the transitions of bifidobacteria counts in infant's feces were analyzed by quantitative real-time PCR.

resultsStains belonging to Bifidobacterium adolescentis, Bifidobacterium bifidum, Bifidobacterium catenulatum, Bifidobacterium longum subsp. longum, and Bifidobacterium pseudocatenulatum, were identified to be monophyletic between mother's and infant's intestine. Eleven out of 12 vaginal delivered infants carried at least one monophyletic strain. The bifidobacterial counts of the species to which the monophyletic strains belong, increased predominantly in the infant's intestine within 3 days after birth. Among infants delivered by C-section, monophyletic strains were not observed. Moreover, the bifidobacterial counts were significantly lower than the vaginal delivered infants until 7 days of age.

conclusionsAmong infants born vaginally, several Bifidobacterium strains transmit from the mother and colonize the infant's intestine shortly after birth. Our data suggest that the mother's intestine is an important source for the vaginal delivered infant's intestinal microbiota.

Indexed as

BifidobacteriumMicrobiotaTerm BirthAdultFemaleHumansInfant, NewbornIntestinesMaleVagina

Identifiers

PMID24244304
PMCPMC3828338
OpenAlexW2159391190

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.