PhD student profile, Giorgio Gargari

PhD Student: Giorgio Gargari


Tutor: Prof. Simone Guglielmetti – Defens

Dean: Prof. Francesco Bonomi

Research area: Food Science and Nutrition

PhD title achieved on: 21st December 2017


Research topic

Investigation of food and probiotic impact on oral, intestinal and vaginal microbiota, and study of the molecular mechanisms underlying host-probiotic interaction


Project Synopsis

This Ph.D. thesis research project aims to study the ability of probiotics and dietary intervention to modulate the intestinal microbial ecosystem (IME) of healthy people. To this aim, three different intervention studies are performed on diverse healthy populations: non-diseased/”normal” subjects, dyslipidemic young people, and irritable bowel syndrome subjects. Fecal samples are used to investigate IME through the assessment of (i) the overall structure of microbial communities by 16S rRNA gene profiling; (ii) the predicted metabolic potentian; (iii) the levels of short chain fatty acids produced by gut microorganisms.


Project keywords

probiotic, microbiology, intestinal microbial ecosystem, microbiota



Department of Food, Environmental and Nutritional Sciences (DeFENS)

Division of Food Microbiology and Bioprocessing

via Mangiagalli 25, 20133 Milano, Italy



Patrizia Riso/Valeria Deon (division of Human Nutrition, DeFENS)

Giovanni Barbara/Cesare Cremon (Ospedale Sant’Orsolo, Bologna)

Sofar S.p.A. (Trezzano Rosa)



Fellowship sponsor: Università degli Studi di Milano

Project sponsor: Sofar S.p.A. (Trezzano Rosa)



Giorgio Gargari, Valentina Taverniti, Silvia Balzaretti, Chiara Ferrario, Claudio Gardana, Paolo Simonetti, Simone Guglielmetti: Four-week consumption of a Bifidobacterium bifidum strain modulates dominant intestinal bacterial taxa and fecal butyrate in healthy adults. Applied and Environmental Microbiology 07/2016;  DOI: 10.1128/AEM.01753-16

Matteo Montagna, Valeria Mereghetti, Giorgio Gargari, Simone Guglielmetti, Franco Faoro, Giuseppe Lozzia, Daria Locatelli, Lidia Limonta: Evidence of a bacterial core in the stored products pest Plodia interpunctella: The influence of different diets. Environmental Microbiology 07/2016;  DOI: 10.1111/1462-2920.13450

Valeria Deon, Cristian Del Bò, Federica Guaraldi, Giorgio Gargari, Andrea Bosusco, Paolo Simonetti, Patrizia Riso, Ornella Guardamagna. Serum lipid profile and fatty acid composition of erythrocyte phospholipids in children and adolescents with primary hyperlipidemia. International Journal of Food Sciences and Nutrition. 2016; DOI: 10.1080/09637486.2016.1236076



Giorgio  Gargari, Valentina Taverniti, Silvia Balzaretti, Chiara Ferrario, Claudio Gardana, Paolo Simonetti, Stefano Mugetti, Stefano Colombo, Simone Guglielmetti. Modulation of the gut microbial ecosystem in healty people uponj probiotic intervention with Bifidobacterium bifidum MIMBb75. EMBL-EBI Metagenomics and Bioinformatics workshop.



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