Related Experiment Video
Updated: Aug 13, 2026

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
Published on: October 15, 2019
Beyond diversity: functional microbiomics of the human colon
Markus Egert1, Albert A de Graaf, Hauke Smidt
1Wageningen Center for Food Sciences, PO Box 557, 6700 AN Wageningen, The Netherlands.
Understanding the human gut microbiome is key to health. New research strategies are exploring microbial functions to define a healthy gut and develop targeted nutritional interventions for disease prevention.
Area of Science:
- Microbiology
- Human Physiology
- Nutritional Science
Background:
- Molecular tools reveal extensive microbial diversity in the human alimentary tract.
- The functions of most uncultured intestinal microorganisms remain largely unknown.
- Understanding gut microbiota function is pivotal for health and disease.
Purpose of the Study:
- To discuss strategies for gaining insight into the functionality of the human gut microbial communities.
- To explore fermentation processes within the colon.
- To establish a basis for defining a healthy gut based on microbial functionality.
Main Methods:
- Review of current molecular and functional analysis techniques for gut microbiota.
- Discussion of approaches to study in situ microbial functions.
- Focus on colonic fermentation processes.
Main Results:
- Identification of promising research strategies to elucidate gut microbial functionality.
- Potential for defining a healthy gut based on key microbial functional properties.
- Foundation for developing targeted nutritional strategies.
Conclusions:
- Advanced research approaches are crucial for understanding the gut microbiome's role in health and disease.
- Defining a healthy gut through microbial functionality can guide nutritional interventions.
- This research can lead to improved intestinal disease prevention and health promotion.
Related Concept Videos
Introduction to the Human Microbiota
Microbiota of the Large Intestine
Functions of the Gut Microbiota
Development of Human Microbiota
Dysbiosis of the Gut Microbiota
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.

