María José Mendoza León, Molecular Biosciences program Ph.D. Student. Endocrinology–Immunology Laboratory, Universidad Andrés Bello, Santiago, Chile. Millennium Institute of Immunology and Immunotherapy, Santiago, Chile. Education background: MSc. in Biotechnology and Life Sciences, cum laude, 2021. Universidad Andrés Bello, Chile. Bioanalyst, Universidad de Carabobo, Venezuela, 2016. Work experience: -Lab manager and research assistant at the Host–Pathogen Interaction and Clostridia Research Group, Universidad Andrés Bello, Chile, 2017 – 2020. -Bioanalyst in Bacteriology, Marrero Blanco Laboratory, Venezuela, 2017. -Assistant professor of Cytology course, Morpho-physiopathology Department, Universidad de Carabobo, Venezuela, 2013 – 2016. Current and previous research interests: My previous research focused on host–pathogen interactions and the evaluation of pharmacological compounds on the recurrence of Clostridioides difficile. My current work is also focused on the gastrointestinal tract but tries to understand how gestational hypothyroxinemia imprints change in the intestinal structure and permeability of the offspring and how this could affect the intestinal microbiota. Membership: Doctoral grant from the National Agency of Investigation and Development of Chile (ANID). # 21211419