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Related Concept Videos

Functions of the Gut Microbiota01:18

Functions of the Gut Microbiota

The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
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Microbiota of the Large Intestine

The large intestine hosts the most densely populated microbial ecosystem in the human body. This complex community primarily consists of anaerobic bacteria, with Bacillota (formerly Firmicutes) and Bacteroidota (formerly Bacteroidetes) as the predominant groups. The distribution of these microbes varies along different sections of the large intestine, influenced by local environmental factors such as oxygen availability and nutrient composition.The cecum, located at the beginning of the large...
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Methods to Assess Microbial Communities

Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
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Introduction to the Human Microbiota

Microorganisms colonize various regions of the human body, including the mouth, nasal passages, throat, stomach, intestines, urogenital tract, and skin. The total number of microbial cells is estimated to range from 10¹³ to 10¹⁴—comparable to, or exceeding, the number of human somatic cells. This host–microbiome relationship has led to the conceptualization of humans as supraorganisms, wherein microbial communities perform vital roles in development, immunity, and disease...
Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
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The human gut microbiome includes a diverse array of microbial species, including beneficial commensals and opportunistic pathogens, which interact to support host health. These microbes contribute to essential functions such as nutrient metabolism, immune system modulation, and maintenance of intestinal barrier integrity. However, disruptions to this equilibrium—referred to as dysbiosis—can have widespread physiological consequences.Dysbiosis is often characterized by reduced microbial...

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Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface
10:24

Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface

Published on: July 4, 2018

From diet to function: using synthetic microbial communities to map gut microbial interactions.

Dodzi Kwaku Jnr Senoo1,2, Luke Acton3,4, Lindsay J Hall5,6,7,8

  • 1Department of Microbes, Infection and Microbiomes, School of Infection, Inflammation and Immunology, College of Medicine and Health, University of Birmingham, Birmingham, UK. dks463@student.bham.ac.uk.

NPJ Biofilms and Microbiomes
|June 15, 2026
PubMed
Summary
This summary is machine-generated.

Synthetic microbial communities (SynComs) offer controlled environments to study diet

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Last Updated: Jun 17, 2026

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Area of Science:

  • Microbiology
  • Systems Biology
  • Nutritional Science

Background:

  • Diet profoundly influences gut microbial communities.
  • Understanding diet-microbe interactions is crucial for host health.
  • Resolving causal mechanisms in complex native gut ecosystems is challenging.

Purpose of the Study:

  • To review the design and application of synthetic microbial communities (SynComs) for studying diet-microbe interactions.
  • To highlight advanced methodologies for analyzing SynCom responses to dietary substrates.
  • To propose standards and outline future directions for SynCom research.

Main Methods:

  • Review of literature on SynCom design and experimental platforms.
  • Analysis of multi-omics and computational modeling approaches.
  • Discussion of dietary substrate applications in SynCom studies.

Main Results:

  • SynComs enable precise investigation of dietary impacts on microbial community structure and function.
  • Multi-omics and modeling are key to dissecting metabolic and host responses.
  • Standardized reporting and advanced SynCom designs are needed.

Conclusions:

  • Synthetic microbial communities are powerful tools for elucidating diet-induced gut microbiome changes.
  • Future research should focus on multi-kingdom SynComs and AI-driven approaches.
  • Standardized methods will accelerate the translation of SynCom findings to host health.