Molecular characterization of bacterial colonization in the preterm and term infant's intestine.

Indian Journal of Pediatrics
J C HallabA S Day

Abstract

To further define patterns of colonising intestinal microflora in newborn infants utilising molecular methods. Ten term and 5 preterm (<32 wk) infants born at the Royal Hospital for Women, Sydney, Australia were enrolled in the present study and followed for 6 mo post partum. Serial stools were collected, DNA was extracted and subjected to PCR-Denaturing Gradient Gel Electrophoresis using a range of primers and sequencing. The effect of gestational length, feeding and delivery method was compared to the pattern of bacterial acquisition. Intestinal bacterial diversity was lower in preterm compared with term infants. For term infants, bacterial DNA detection rates were not associated with feeding or delivery method, although Enterobacteria and Clostridia were commonly identified. The detection rate of Bifidobacteria was lower in preterm infants than term infants. Potential pathogens were detected in preterm infant samples. Preterm infants frequently have aberrant bacterial colonization of the intestine. Further research is now required to determine if this may contribute to adverse health outcomes.

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Citations

Nov 2, 2014·Indian Pediatrics·Sourabh DuttaAnil Narang
Oct 30, 2013·Disease Markers·A S DayS T Leach
Apr 11, 2017·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Shripada RaoSanjay Patole
Sep 10, 2014·The Proceedings of the Nutrition Society·Elaine PattersonCatherine Stanton
Jul 28, 2016·Neonatal Network : NN·Melissa C Dollings, Lisa Brown
Nov 15, 2018·BMC Microbiology·Erica L PlummerUNKNOWN ProPrems Study Group

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