279-The Human Gut Microbiome: An Overview                            

The human gut microbiome is a living and dynamic ecosystem within the digestive tract that consists of trillions of microorganisms including bacteria, archaea, fungi, viruses, and protozoans. The four dominant groups that make up most of the human gut microbiome are: Bacteroidetes, Firmicutes, Actinobacteria and Proteobacteria.