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© Research
Publication : EBioMedicine

Maternal fecal microbiome predicts gestational age, birth weight and neonatal growth in rural Zimbabwe.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in EBioMedicine - 01 Jun 2021

Gough EK, Edens TJ, Geum HM, Baharmand I, Gill SK, Robertson RC, Mutasa K, Ntozini R, Smith LE, Chasekwa B, Majo FD, Tavengwa NV, Mutasa B, Francis F, Carr L, Tome J, Stoltzfus RJ, Moulton LH, Prendergast AJ, Humphrey JH, Manges AR, Team ST,

Link to Pubmed [PMID] – 34139432

Link to DOI – S2352-3964(21)00214-010.1016/j.ebiom.2021.103421

EBioMedicine 2021 Jun; 68(): 103421

Preterm birth and low birth weight (LBW) affect one in ten and one in seven livebirths, respectively, primarily in low-income and middle-income countries (LMIC) and are major predictors of poor child health outcomes. However, both have been recalcitrant to public health intervention. The maternal intestinal microbiome may undergo substantial changes during pregnancy and may influence fetal and neonatal health in LMIC populations.Within a subgroup of 207 mothers and infants enrolled in the SHINE trial in rural Zimbabwe, we performed shotgun metagenomics on 351 fecal specimens provided during pregnancy and at 1-month post-partum to investigate the relationship between the pregnancy gut microbiome and infant gestational age, birth weight, 1-month length-, and weight-for-age z-scores using extreme gradient boosting machines.Pregnancy gut microbiome taxa and metabolic functions predicted birth weight and WAZ at 1 month more accurately than gestational age and LAZ. Blastoscystis sp, Brachyspira sp and Treponeme carriage were high compared to Western populations. Resistant starch-degraders were important predictors of birth outcomes. Microbiome capacity for environmental sensing, vitamin B metabolism, and signalling predicted increased infant birth weight and neonatal growth; while functions involved in biofilm formation in response to nutrient starvation predicted reduced birth weight and growth.The pregnancy gut microbiome in rural Zimbabwe is characterized by resistant starch-degraders and may be an important metabolic target to improve birth weight.Bill and Melinda Gates Foundation, UK Department for International Development, Wellcome Trust, Swiss Agency for Development and Cooperation, US National Institutes of Health, and UNICEF.

https://pubmed.ncbi.nlm.nih.gov/34139432