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Gut microbiota bridges the iron homeostasis and host health

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Abstract

The gut microbiota acts as a symbiotic microecosystem that plays an indispensable role in the regulation of a number of metabolic processes in the host by secreting secondary metabolites and impacting the physiology and pathophysiology of numerous organs and tissues through the circulatory system. This relationship, referred to as the “gut-X axis”, is associated with the development and progression of disorders, including obesity, fatty liver and Parkinson’s disease. Given its importance, the gut flora is a vital research area for the understanding and development of the novel therapeutic approaches for multiple disorders. Iron is a common but necessary element required by both mammals and bacteria. As a result, iron metabolism is closely intertwined with the gut microbiota. The host’s iron homeostasis affects the composition of the gut microbiota and the interaction between host and gut microbiota through various mechanisms such as nutrient homeostasis, intestinal peaceability, gut immunity, and oxidative stress. Therefore, understanding the relationship between gut microbes and host iron metabolism is not only of enormous significance to host health but also may offer preventative and therapeutic approaches for a number of disorders that impact both parties. In this review, we delve into the connection between the dysregulation of iron metabolism and dysbiosis of gut microbiota, and how it contributes to the onset and progression of metabolic and chronic diseases.

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Acknowledgements

This work was supported by Guangdong Basic and Applied Basic Research Foundation (2020B1515020046),“GDAS” Project of Science and Technology Development (2021GDASYL-20210102003), the National Natural Science Foundation of China (81900797, 82072436), and State Key Laboratory of Applied Microbiology Southern China (SKLAM002-2020).

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  1. Contributed equally to this work

Authors and Affiliations

  1. State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China

    Lanling Xiao, Jie Wang & Liwei Xie

  2. Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China

    Lanling Xiao, Dan Wan & Yulong Yin

  3. University of Chinese Academy of Sciences, Beijing, 101408, China

    Lanling Xiao, Dan Wan & Yulong Yin

  4. Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, China

    Rui Tang

  5. Department of Endocrinology and Metabolism, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, China

    Liwei Xie

  6. School of Public Health, Xinxiang Medical University, Xinxiang, 453003, China

    Liwei Xie

  7. Department of Stomatology, Shunde Hospital, Southern Medical University (The First People’s Hospital of Shunde, Foshan), Foshan, 528308, China

    Liwei Xie

  8. Department of Life Sciences, Imperial College London, London, SW7 2AZ, UK

    Jie Wang

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Xiao, L., Tang, R., Wang, J. et al. Gut microbiota bridges the iron homeostasis and host health. Sci. China Life Sci. 66, 1952–1975 (2023). https://doi.org/10.1007/s11427-022-2302-5

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