Related Experiment Video
Updated: Jul 12, 2025

Probiotic Studies in Neonatal Mice Using Gavage
Published on: January 27, 2019
Neonatal Microbiome: Is it Still Beneficial?
Mohamed Shawky Elfarargy1,2, Dalia Hamdy Elbadry3, Ahmad Roshdy Ahmad1,4
1Department of Pediatrics, College of Medicine, Jouf University, KSA.
The neonatal microbiome, crucial for infant health, involves trillions of microbes, mainly bacteria in the gut. This study explores factors influencing colonization, microbial composition, and the impact of diet and interventions on infant health.
Area of Science:
- Microbiology
- Neonatal Health
- Gastroenterology
Background:
- The neonatal microbiome comprises microorganisms and their genes, predominantly bacteria residing in the gastrointestinal tract.
- These microbial communities significantly outnumber host cells and play a vital role in infant development.
- Understanding the neonatal microbiome is essential for addressing infant health and disease.
Purpose of the Study:
- To examine factors influencing neonatal microbiome colonization.
- To characterize the various phyla within the neonatal microbiome.
- To discuss the implications of symbiosis, dysbiosis, and interventions on the neonatal microbiome.
Main Methods:
- Literature review and synthesis of existing research on the neonatal microbiome.
- Analysis of factors affecting microbiome development, including diet and environmental influences.
- Exploration of the roles of prebiotics, probiotics, and other interventions.
Main Results:
- Identified key factors influencing the establishment and composition of the neonatal microbiome.
- Detailed the characteristics of dominant microbial phyla in neonates.
- Highlighted the significance of breast milk and therapeutic interventions in shaping the microbiome.
Conclusions:
- The neonatal microbiome is a complex ecosystem critical for infant health.
- Factors like birth mode, diet, and interventions significantly impact microbiome development.
- Further research into the neonatal microbiome, including mycobiome and virome, is warranted.
Related Concept Videos
Surface Membrane Barriers
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
Anatomy of the Intestines
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Microorganisms in Medicine and Therapeutics
Development of Immunocompetence
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Defense Mechanism Against Infection
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
Bacterial Flora of the Large Intestine
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.

