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Highlighted Talks from the 2025 ISAPP Annual Meeting
In this special episode, ISAPP’s Executive Director Marla Cunningham highlights ISAPP’s annual meeting, held in Banff, Canada in July 2025. Four speakers join the podcast to describe their talks from the meeting: Episode abbreviations and links: About our speakers: Carolina Tropini, University of British Columbia, Canada Dr. Carolina Tropini is an Assistant Professor at the… -
Unraveling the functions of GLP-1 in the gut, with Dr. Thomas Greiner PhD
This episode features Dr. Thomas Greiner PhD from the University of Gothenburg (Sweden), speaking about the various functions of GLP-1 in the gut, and the role of gut microbes in GLP-1 production, with ultimate effects on host health. He noted that GLP-1 is produced by enteroendocrine cells called L-cells, both in the small intestine and… -
Archive Highlight: Microbes that break down mucus and milk to benefit the host, with Dr. Clara Belzer PhD
We discuss microbes, mucus, and milk with Dr. Clara Belzer PhD from Wageningen University in the Netherlands in this episode. Dr. Belzer, a molecular geneticist, specializes in studying the microorganisms that are equipped to break down the glycans in mucus and human milk within the host environment. Key topics from this episode: Episode abbreviations and links: About… -
Investigating the microbial mechanisms contributing to host metabolism, with Dr. Amir Zarrinpar, MD PhD
This episode features Dr. Amir Zarrinpar, MD PhD, from UC San Diego (USA) speaking about his work on circadian biology and host metabolism, and what’s currently known about microbial mechanisms. Dr. Zarrinpar explains that in mouse models, restricting feeding to the nocturnal (awake) period is important for their metabolic and overall health. When mice eat… -
Interactions between immunity, gut microbiota, and metabolism, with Prof. Dirk Haller PhD
This episode features Prof. Dirk Haller from Technical University of Munich (Germany) speaking about his work in the field of nutritional immunology, trying to unravel how immunity and gut microbiota interact with metabolism, ultimately impacting the emergence of chronic diseases. He focuses on how microbe-host interactions in the gut impact inflammatory or tumorigenic responses –… -
Examining fermented foods for potential cardiometabolic health benefits, with Prof. Ben Willing PhD
This episode features Prof. Ben Willing PhD from the University of Alberta, Canada, speaking about his work investigating fermented foods such as kefir for potential cardiometabolic health benefits. The microorganisms associated with fermented foods are not standardized – for example, traditional kefirs have some microorganisms in common, but other microorganisms that are present sporadically. Moreover, kefir… -
Diet and gut microbiome contributions to host energy balance, with Dr. Karen Corbin PhD RD
This episode features Dr. Karen Corbin PhD RD from AdventHealth Translational Research Institute (USA), speaking about how the triad of diet, gut microbiome, and host characteristics contribute to energy balance as well as metabolic diseases. From the perspective of host physiology, she explores how to use diet to remodel the gut microbiome to impact energy… -
Progress in understanding the gut microbiome’s role in health and disease states, with Prof. Emad El-Omar MD FRCP
This episode features Prof. Emad El-Omar MD FRCP from the University of New South Wales in Sydney, Australia, speaking about a recent paper exploring the healthy microbiome concept, as well as the latest research on how the gut microbiome contributes to the pathophysiology of several diseases. Prof. El-Omar talked about research on H. pylori-induced disease in… -
The HACK index for measuring a health-associated gut microbiome, with Dr. Tarini Ghosh PhD
This episode features computational microbiologist Dr. Tarini Ghosh PhD from Indraprastha Institute of Information Technology (Delhi, India) speaking about his recently published paper that proposes a novel Health-Associated Core Keystone (HACK) index for measuring a healthy microbiome. To create the index, the group used a huge volume of sequence data – over 201 terabytes –… -
Regulatory science and the development of microbiome biomarkers, with Dr. Céline Druart PhD
This episode features Dr. Céline Druart PhD of Pharmabiotic Research Institute (PRI) speaking about the role of regulatory science in the development of microbiome biomarkers. First, PRI’s Communication and Membership Manager Camille Bello briefly describes the work of the PRI in supporting the development of therapeutic and diagnostic products derived from microbiome science. Regulation is… -
Identifying features of a healthy microbiome, with Raphaela Joos
This episode features Raphaela Joos from University College Cork in Ireland, speaking about efforts by the Human Microbiome Action Consortium to create an expert-led consensus around the concept of a healthy human microbiome. Ms. Joos, a PhD student who was first author of the resulting paper, notes that a healthy human microbiome can be defined… -
Advancing gut microbiome testing for use in clinical practice, with Dr. Gianluca Ianiro MD PhD
In this episode, Dr. Gianluca Ianiro MD PhD speaks about how to advance gut microbiome testing for use in medicine. -
How a non-industrialized diet affects gut microbes and health, with Dr. Anissa Armet PhD RD
This episode features Dr. Anissa Armet PhD RD from the University of Alberta in Canada, speaking about the impact of diet on both the gut microbiota and overall health. Dr. Armet, a registered dietitian and researcher, says the Western diet along with the associated gut microbiome changes have played a role (amongst other things) in… -
Developing probiotics for neurodegenerative disease, with Dr. Alex Parker PhD
This episode features Dr. Alex Parker PhD from Université de Montréal talking about models for studying neurodegenerative diseases. His lab makes use of the worm C. elegans, a common model organism for studying disease and aging as it has many genes in common with humans. Focusing on amyotrophic lateral sclerosis (ALS), Dr. Parker makes models… -
How the maternal microbiome influences offspring neurodevelopment, with Dr. Eldin Jašarević PhD
This episode features Dr. Eldin Jašarević PhD from University of Pittsburgh discussing research that investigates how maternal signals influence the general development and neurodevelopment of the offspring. Dr. Jašarević’s particular interest in this field stems from his family’s journey as refugees from Bosnia who found their way to the US. His lab studies how maternal… -
Fiber and short-chain fatty acids for cognitive health, with Dr. Boushra Dalile PhD
This episode features Dr. Boushra Dalile PhD from KU Leuven in Belgium – ISAPP’s 2024 Glenn Gibson Early Career Researcher Award winner – discussing the protective role of fiber and prebiotics on cognitive health. Dr. Dalile is trained in psychology, and in her current work she undertakes human intervention studies to examine the effects of… -
Episode 37: Targeting the gut microbiome in inflammatory bowel disease, with Prof. Harry Sokol MD PhD
The ISAPP hosts discuss the microbiome in inflammatory bowel disease (IBD) with leading expert Prof. Harry Sokol MD PhD, who is Professor of Gastroenterology at Saint Antoine Hospital and has positions with Sorbonne University and the Micalis Institute, INRAE in Paris, France. Sokol talks about the specific gut bacteria that seem to be important in… -
Episode 35: Investigating gut microbiome links to chronic diseases, with Dr. Purna Kashyap MBBS
In this episode, the ISAPP hosts discuss the gut microbiome’s role in chronic diseases with Dr. Purna Kashyap MBBS, from Mayo Clinic in Rochester, Minnesota, USA. Dr. Kashyap talks about how to discover the complex factors that trigger and perpetuate chronic diseases such as inflammatory bowel disease, zeroing in on the gut microbiome as a… -
Highlighted Posters from the 2025 ISAPP Annual Meeting
In this second special episode about ISAPP’s annual meeting, held in Banff (Canada) in July 2025, Executive Director Marla Cunningham introduces the four highest-scoring posters from the poster session. Four speakers, all members of the ISAPP Students and Fellows association (SFA), join the podcast to describe the work they presented via poster at the meeting:… -
Episode 27: Investigating the benefits of live dietary microbes
In this episode, the ISAPP podcast hosts themselves are the experts: Prof. Colin Hill PhD from APC Microbiome Ireland / University College Cork and Prof. Dan Tancredi PhD from University of California – Davis talk about their recent work investigating the health benefits from consuming higher quantities of live dietary microbes – and not just… -
Episode 15: A primer on prebiotics
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotics (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. A primer on prebiotics, with… -
Episode 20: How to navigate probiotic evidence and guidelines for pediatric populations
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotics (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. How to navigate probiotic evidence… -
Episode 14: Evidence on probiotics for preterm infants
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotic (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. Evidence on probiotics for preterm… -
Episode 8: The link between digestive symptoms, IBS and the gut microbiota: A gastroenterologist’s perspective
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotic (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. The link between digestive symptoms,… -
Episode 7: Evidence for probiotic use in pediatric populations
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotic (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. Evidence for probiotic use in… -
Episode 4: Weighing evidence for probiotic interventions: Perspectives of a primary care physician
The Science, Microbes & Health Podcast This podcast covers emerging topics and challenges in the science of probiotics, prebiotics, synbiotics, postbiotics and fermented foods. This is the podcast of The International Scientific Association for Probiotics and Prebiotic (ISAPP), a nonprofit scientific organization dedicated to advancing the science of these fields. Weighing evidence for probiotic interventions:…