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Intestinal microbiota development in preterm neonates and effect of perinatal antibiotics

AuthorsArboleya, Silvia ; Sánchez García, Borja ; Milani, Christian; Duranti, Sabrina; Solís, Gonzalo; Fernández, Nuria; González de los Reyes-Gavilán, Clara ; Ventura, Marco; Margolles Barros, Abelardo ; Gueimonde Fernández, Miguel
KeywordsPCR, Polymerase chain reaction
NEC, Necrotizing enterocolitis
qPCR, Quantitative PCR
rRNA, Ribosomal RNA
VLBW, Very low birthweight
OTU, Operational taxonomic unit
FTVDBF, Full-term, vaginally delivered, exclusively breast-fed
IAP, Intrapartum antimicrobial prophylaxis
Issue DateMar-2015
CitationJournal of Pediatrics 166(3): 538-544 (2015)
AbstractObjectives To assess the establishment of the intestinal microbiota in very low birthweight preterm infants and to evaluate the impact of perinatal factors, such as delivery mode and perinatal antibiotics. Study design We used 16S ribosomal RNA gene sequence-based microbiota analysis and quantitative polymerase chain reaction to evaluate the establishment of the intestinal microbiota. We also evaluated factors affecting the microbiota, during the first 3 months of life in preterm infants (n = 27) compared with full-term babies (n = 13). Results Immaturity affects the microbiota as indicated by a reduced percentage of the family Bacteroidaceae during the first months of life and by a higher initial percentage of Lactobacillaceae in preterm infants compared with full term infants. Perinatal antibiotics, including intrapartum antimicrobial prophylaxis, affects the gut microbiota, as indicated by increased Enterobacteriaceae family organisms in the infants. Conclusions Prematurity and perinatal antibiotic administration strongly affect the initial establishment of microbiota with potential consequences for later health. © 2015 Elsevier Inc.
Publisher version (URL)https://doi.org/10.1016/j.jpeds.2014.09.041
Identifiersissn: 1097-6833
Appears in Collections:(IPLA) Artículos
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