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June 26, 2025 65 mins

In this episode, Dr. James McIlroy interviews Dr. Ran Blekhman, an associate professor at the University of Chicago, about the microbiome and its role as 'our second genome.'

Dr. Blekhman shares his research findings on the genetic and environmental factors that shape the microbiome, the heritability of microbial genes, and the relationship between the human genome and microbiome. They also discuss Dr. Blekhman's groundbreaking research that analysed over 168,000 samples to understand global microbiome patterns, the influence of early-life microbiome development, and the potential of microbiome-based diagnostics and therapeutics. Tune in for a comprehensive dive into one of the most promising areas of genetic and microbial research.

00:00 Introduction to Dr. R Blackman and the Microbiome 01:23 Podcast Growth and Listener Engagement 01:56 Starting the Conversation with Dr. Blackman 02:04 Exploring the Second Genome 02:24 Human Genome vs. Microbiome 03:23 Genetic Interactions with the Microbiome 04:02 Understanding Microbial Genes and Functions 05:40 Heritability and Environmental Factors 06:53 Microbiome Diversity and Heritability 08:57 Research on Microbiome Heritability 17:18 Baboon Model System for Microbiome Studies 18:56 Population Scale Microbiome Research 25:27 Global Patterns and Data Integration 33:36 The Untapped Potential of Microbiome Data 35:08 Hypotheses and Discoveries in Microbiome Research 36:46 Geographical Variations in Microbiome 49:18 Technical Challenges and Methodologies 52:20 AI and Machine Learning in Microbiome Studies 54:59 Future Directions and Clinical Applications 01:00:38 Exploring Early Life Microbiome 01:03:30 Conclusion and Further Reading

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