Metabolic engineering of human gut microbiome: Recent developments and future perspectives

Area of Science:

• Microbiology
• Metabolic Engineering
• Systems Biology

Background:

• The gut microbiota significantly impacts human health and disease.
• Current microbiota manipulation strategies like probiotics show limited therapeutic efficacy.
• Need for advanced strategies to target the gut microbiome effectively.

Purpose of the Study:

• To review metabolic engineering strategies for the human gut microbiome.
• To highlight the application of genome-scale metabolic models in gut microbiota research.
• To discuss recent applications, challenges, and opportunities in engineered gut microbes.

Main Methods:

• Review of in silico, in vitro, and in vivo approaches for metabolic engineering.
• Focus on iterative design and construction of engineered probiotics and microbial consortia.
• Integration of genome-scale metabolic models for understanding microbial functions.

Main Results:

• Metabolic engineering enables the construction of genetically modified probiotics and synthetic consortia.
• Genome-scale metabolic models provide insights into gut microbiota complexity.
• Demonstrated applications of engineered gut microbes in diagnostics and therapeutics.

Conclusions:

• Metabolic engineering is a powerful tool for developing targeted gut microbiome therapies.
• Further research is needed to overcome challenges and realize the full potential of engineered microbes.
• Future opportunities lie in refining design strategies and clinical translation.