Jennifer N. Martinez-Medina

ORCID: 0000-0003-3438-5730
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About
Contact & Profiles
Research Areas
  • Gut microbiota and health
  • Diet and metabolism studies
  • Clostridium difficile and Clostridium perfringens research
  • Probiotics and Fermented Foods
  • Food composition and properties
  • Food Security and Health in Diverse Populations
  • Nutritional Studies and Diet
  • Adolescent and Pediatric Healthcare

Max Delbrück Center
2023-2025

Humboldt-Universität zu Berlin
2023-2025

Charité - Universitätsmedizin Berlin
2023-2025

Freie Universität Berlin
2023-2025

National Institute of Genomic Medicine
2017-2021

Instituto de Medicina Genómica
2021

Background Gut microbiota, by influencing multiple metabolic processes in the host, is an important determinant of human health and disease. However, gut dysbiosis associated with complications shows inconsistent patterns. This likely driven factors shaping microbial composition that have largely been under-evaluated, at a population level, school-age children, especially from developing countries.Results Through characterization, 16S sequencing, largest population-based school-aged children...

10.1080/19490976.2020.1712985 article EN cc-by-nc Gut Microbes 2020-01-23

Understanding the dynamic relationship between mucus-associated microbiota and host health is critical. However, studies predominantly using stool samples may not accurately represent these bacterial communities. Here, we investigated in gastrointestinal tract of mice terminal ileum humans different sample types: mucosal washes, brushes, scrapings, intestinal contents biopsies, brushes washes humans. We used DNA quantification 16S rRNA amplicon sequencing to evaluate comparability...

10.1080/19490976.2025.2464296 article EN cc-by Gut Microbes 2025-02-20

Una de las estrategias que más impacto y mayor eficacia tiene para la modulación microbiota intestinal es el consumo fibra dietaria, puede ser digerida por propia generando numerosos metabolitos. Entre estos, se encuentran los ácidos grasos cadena corta (AGCC) con funciones tanto locales como sistémicas, impactan en composición función lo salud humana. El objetivo esta revisión narrativa fue generar un documento sirva marco referencia conocer acerca dietaria sus efectos directos e...

10.1016/j.rgmx.2021.02.004 article ES cc-by-nc-nd Revista de Gastroenterología de México 2021-06-02

Dietary fiber (DF) is a major substrate for the gut microbiota that contributes to metabolic health. Recent studies have shown diet-metabolic phenotype effect might be related individual microbial profiles or enterotypes. Thus, aim of this study was examine whether enterotypes modify association between DF intake and traits. This cross-sectional included 204 children (6-12 years old) 75 adults (18-60 old). Habitual estimated with Food Frequency Questionnaire biochemical, clinical...

10.3390/nu13113892 article EN Nutrients 2021-10-29

Abstract Exploring the dynamic relationship between mucus-associated microbiota and host health is pivotal, yet prevalent studies using stool samples may not accurately represent these bacteria. Here, we explored in gastrointestinal tract of mice terminal ileum humans, three different sample types: mucosal washes, scraping, intestinal content biopsies washes humans. We employed DNA quantification 16S rRNA sequencing to assess how comparable information yielded from types, evaluating findings...

10.1101/2023.12.12.571228 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2023-12-12

Background Diet has been considered as a major modifiable factor influencing gut microbiota composition and function. However this knowledge arises mainly from intervention studies in humans animal models, where drastic changes diet are made. In addition, it is important to study the not only at nutrient level but through food groups that comprise it, since takes into account integrity. Yet there insufficient evidence observational addressing how consumption of certain can influence...

10.1096/fasebj.31.1_supplement.965.22 article EN The FASEB Journal 2017-04-01
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