Diet impacts human health, influencing body adiposity and the risk of developing cardiometabolic diseases. The gut microbiome is a key player in the diet-health axis, but while its bacterial fraction is widely studied, the role of micro-eukaryotes, including Blastocystis, is underexplored. We performed a global-scale analysis on 56,989 metagenomes and showed that human Blastocystis exhibits distinct prevalence patterns linked to geography, lifestyle, and dietary habits. Blastocystis presence defined a specific bacterial signature and was positively associated with more favorable cardiometabolic profiles and negatively with obesity (p < 1e–16) and disorders linked to altered gut ecology (p < 1e–8). In a diet intervention study involving 1,124 individuals, improvements in dietary quality were linked to weight loss and increases in Blastocystis prevalence (p = 0.003) and abundance (p < 1e–7). Our findings suggest a potentially beneficial role for Blastocystis, which may help explain personalized host responses to diet and downstream disease etiopathogenesis.

Intestinal Blastocystis is linked to healthier diets and more favorable cardiometabolic outcomes in 56,989 individuals from 32 countries / Piperni, Elisa; Nguyen, Long H.; Manghi, Paolo; Kim, Hanseul; Pasolli, Edoardo; Andreu-Sánchez, Sergio; Arrè, Alberto; Bermingham, Kate M.; Blanco-Míguez, Aitor; Manara, Serena; Valles-Colomer, Mireia; Bakker, Elco; Busonero, Fabio; Davies, Richard; Fiorillo, Edoardo; Giordano, Francesca; Hadjigeorgiou, George; Leeming, Emily R.; Lobina, Monia; Masala, Marco; Maschio, Andrea; Mciver, Lauren J.; Pala, Mauro; Pitzalis, Maristella; Wolf, Jonathan; Fu, Jingyuan; Zhernakova, Alexandra; Cacciò, Simone M.; Cucca, Francesco; Berry, Sarah E.; Ercolini, Danilo; Chan, Andrew T.; Huttenhower, Curtis; Spector, Tim D.; Segata, Nicola; Asnicar, Francesco. - In: CELL. - ISSN 0092-8674. - 187:17(2024), pp. 4554-4570.e18. [10.1016/j.cell.2024.06.018]

Intestinal Blastocystis is linked to healthier diets and more favorable cardiometabolic outcomes in 56,989 individuals from 32 countries

Piperni, Elisa;Manghi, Paolo;Pasolli, Edoardo;Manara, Serena;Valles-Colomer, Mireia;Segata, Nicola;Asnicar, Francesco
2024-01-01

Abstract

Diet impacts human health, influencing body adiposity and the risk of developing cardiometabolic diseases. The gut microbiome is a key player in the diet-health axis, but while its bacterial fraction is widely studied, the role of micro-eukaryotes, including Blastocystis, is underexplored. We performed a global-scale analysis on 56,989 metagenomes and showed that human Blastocystis exhibits distinct prevalence patterns linked to geography, lifestyle, and dietary habits. Blastocystis presence defined a specific bacterial signature and was positively associated with more favorable cardiometabolic profiles and negatively with obesity (p < 1e–16) and disorders linked to altered gut ecology (p < 1e–8). In a diet intervention study involving 1,124 individuals, improvements in dietary quality were linked to weight loss and increases in Blastocystis prevalence (p = 0.003) and abundance (p < 1e–7). Our findings suggest a potentially beneficial role for Blastocystis, which may help explain personalized host responses to diet and downstream disease etiopathogenesis.
2024
17
Piperni, Elisa; Nguyen, Long H.; Manghi, Paolo; Kim, Hanseul; Pasolli, Edoardo; Andreu-Sánchez, Sergio; Arrè, Alberto; Bermingham, Kate M.; Blanco-Míg...espandi
Intestinal Blastocystis is linked to healthier diets and more favorable cardiometabolic outcomes in 56,989 individuals from 32 countries / Piperni, Elisa; Nguyen, Long H.; Manghi, Paolo; Kim, Hanseul; Pasolli, Edoardo; Andreu-Sánchez, Sergio; Arrè, Alberto; Bermingham, Kate M.; Blanco-Míguez, Aitor; Manara, Serena; Valles-Colomer, Mireia; Bakker, Elco; Busonero, Fabio; Davies, Richard; Fiorillo, Edoardo; Giordano, Francesca; Hadjigeorgiou, George; Leeming, Emily R.; Lobina, Monia; Masala, Marco; Maschio, Andrea; Mciver, Lauren J.; Pala, Mauro; Pitzalis, Maristella; Wolf, Jonathan; Fu, Jingyuan; Zhernakova, Alexandra; Cacciò, Simone M.; Cucca, Francesco; Berry, Sarah E.; Ercolini, Danilo; Chan, Andrew T.; Huttenhower, Curtis; Spector, Tim D.; Segata, Nicola; Asnicar, Francesco. - In: CELL. - ISSN 0092-8674. - 187:17(2024), pp. 4554-4570.e18. [10.1016/j.cell.2024.06.018]
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