Prof Philip Hugenholtz on Metagenomic Stool Analysis for Optimal Gut Health

Prof Philip Hugenholtz on Metagenomic Stool Analysis for Optimal Gut Health

Author: Kriben Govender November 14, 2019 Duration: 56:05
We have a groundbreaking discussion with Prof Philip Hugenholtz co-founder of Microba, a company specialising in Metagenomic Stool Testing using DNA based sequencing to analyse the microbiome. We cover the history and application of DNA based sequencing to classify and identify micro-organisms, using the technology to improve health outcomes on a personalised level, the future prospects for precision medicine, IBD, what a healthy microbiome looks like and much more.
 
 
Bio: 
 
Professor Hugenholtz is a microbiologist who has made contributions in the field of culture-independent analysis of microorganisms. He discovered and characterised numerous previously unrecognised major bacterial and archaeal lineages each with greater evolutionary divergence than animals and plants combined. He has participated in the development and application of metagenomics, the genome-based characterisation of microbiomes, which has revolutionised our understanding of microbial ecology and evolution. He has made several discoveries in environmental and clinical microbiology sometimes overturning decades of misdirected culture-based studies.
 
Topics discussed:
 
  • Phil's Origin story
  • Microbial Classification and Morphology 
  • The Development of DNA based sequencing technology
  • Carl Woese- 16s rRNA - ribosomal RNA sequencing
  • Did we evolve from ancient Archaea?
  • Norm Pace- Application of 16s rRNA sequencing in Ecology 
  •  Culture indépendant analytical techniques
  • Craig Venter- Metagenomic Sequencing 
  • Blueprints for identifying bacteria
  • Development of Sequencing Technology
  • Discovery of Microbes
  • Growing Microbes on plates
  • What is the Greengenes reference database
  • 16s rRNA genes identification vs Whole Genome shotgun sequencing (Metagenomics)
  • Metagenomics, Big Data and health patterns
  • The limitation of 16s rRNA technology- conserved genes
  • Whole Genome Sequencing Resolution
  • ITS gene and Fungal Classification
  • Virus and Parasite Classification 
  • The Metagenomic workflow
  • GTDB Database for Whole-genome sequencing
  • Predicting IBD, IBS, Crohns
  • Predicting response to drug response- Depression, Cancer
  • The Gut Microbiome as an early warning system
  • The future of Microbiome
  • What does a healthy cohort's gut microbiome look like?
  • Discovery of new species
  • Faecalibacterium prausnitzii
  • Anti Inflammatory genes and properties 
  • The uniqueness of the gut microbiome
  • Characterising IBD
  • The impact of the immune system
  • Opportunistic Pathogens- Clostridium difficile, Bilophila wadsworthia, Desulfovibrio, Helicobacter pylori 
  • Gut Metabolite production by microbes- e.g GABA  (a neurotransmitter linked to depression) via KEGG
  • The future of Gut Microbiome Testing
  • Metabolomics
  • Artificial Intelligence and Machine Learning Algorithms for health predictions
  • Diet as a key driver of the microbiome
  • Personalised Diet based on a microbiome profile
  • Prebiotics and Probiotics and Precise Medicine
  • Fibre and Butyrate Balance
  • Phil's top gut health tip
  • Microbiome changes and improved mental health via diet and exercise 
 
 
Brought to you by:
 
Nourishme Organics- The Gut Health Superstore
 
Check out the Microba Metagenomic Stool Testing and Nutritional Consulting Package for Personalised advice on how to optimise your gut health based on your unique microbiome
 
 
Use code guthealthgurus for 10% off
 
 
Connect with Prof Phil Hugenholtz
 
 
 
 
Connect with Kriben Govender: 
 
Gut Health Gurus Facebook Group: https://www.facebook.com/groups/nourishmeorganics/
Deuterium Depletion Support Facebook Group: https://www.facebook.com/groups/347845406055631/
 
Download links
 
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Kriben Govender's journey is a testament to how personal crisis can lead to profound discovery. After a period where his life unraveled through professional bullying, personal loss, and deep isolation, he found a lifeline not in abstract concepts, but in the very real science of the microbiome. As a Food Scientist and founder of Nourishme Organics, Kriben now channels that hard-won perspective into The Gut Health Gurus Podcast. Here, conversations move beyond dry dietary advice to explore the tangible connections between our digestive system and everything from mental resilience to physical fitness. Each episode feels like a candid discussion, unpacking how nurturing gut health can fundamentally alter one's wellbeing. You'll hear from a range of voices-scientists, practitioners, and people with lived experience-all grounded in Kriben's own understanding that true health often starts from within. This isn't about quick fixes; it's about building a sustainable, informed relationship with your body. Tune in for a podcast that blends evidence-based nutrition with the very human stories behind the science, offering a compassionate and practical guide to taking control of your health from the inside out.
Author: Language: English Episodes: 70

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