Cited by 101Probiotics and Fermented FoodsIron Metabolism and DisordersInfant Nutrition and Health

The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.

Identification of the key excreted molecule by Lactobacillus fermentum related to host iron absorption

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González, Ana, Gálvez, Natividad, Martín, Jesús, Reyes, Fernando, Pérez-Victoria, Ignacio, Dominguez-Vera, Jose M.·2017·Food Chemistry

Abstract

We have taken a vital step towards understanding why probiotic bacteria increase iron absorption in the gastrointestinal tract. We show here that Lactobacillus fermentum, one of the main probiotics of the microbiota, exhibits an extraordinary ferric-reducing activity. This activity is predominantly due to an excreted molecule: p-hydroxyphenyllactic acid (HPLA). Reduction of Fe(III) to Fe(II) is essential for iron absorption in the gastrointestinal tract. By reducing Fe(III), HPLA boosts Fe(II) absorption through the DMT1 channels of enterocytes. An in vitro experiment tested and confirmed this hypothesis. This discovery opens new avenues for the treatment of iron deficiency in humans, one of the most common and widespread nutritional disorders in the world.

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Metadata

Authors
González, A., Gálvez, N., Martín, J., Reyes, F., Pérez-Victoria, I., & Dominguez-Vera, J. M.
Affiliations
  • Universidad de Granada (ES)
  • Fundación Medina (ES)
Corresponding author
Dominguez-Vera, Jose M.
Venue
Food Chemistry
Publisher
Elsevier BV
Published
2017-08
Volume
228
Pages
374-380
ISSN
0308-8146 (ISSN-L)
OpenAlex
W2585727439
Cited by
100
References
23
Citations by year
2026: 10 · 2025: 15 · 2024: 18 · 2023: 14 · 2022: 18 · 2021: 10 · 2020: 3 · 2019: 7 · 2018: 3 · 2017: 2
FWCI
4.62
Type
journal article
Language
en
Open access
Locations
  • Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (acceptedVersion)
  • Institutional Repository of the University of Granada (University of Granada) (submittedVersion, cc-by-nc-nd)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
  • RISalud Institutional Health Repository of Andalucía (submittedVersion, cc-by-nc-nd)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
Funders
  • MINECO (PCT-010000-2010-4, INP-2011-0016-PCT-010000-ACT6)
  • FEDER (CTQ2015-64538-R)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
Keywords
Lactobacillus fermentum, probiotics, iron absorption, Fe(III) reduction, p-hydroxyphenyllactic acid, DMT1, enterocytes, iron deficiency, gut microbiota
MeSH terms
Fermentation, Humans, Iron, Probiotics, Limosilactobacillus fermentum

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