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Effects of Fluorine on Intestinal Structural Integrity and Microbiota Composition of Common Carp
Abstract
Fluorine is an environmental toxicant and exposure of fluorine could induce various health disorders. Gut microbiota has been known to be involved in maintaining animal or human health. Therefore, in the present study, we aimed to evaluate the relationship between fluorine exposure and gut microbiota in common carp. Gut microbiota composition was detected by 16S rRNA gene sequencing. Intestinal structural integrity was assessed by hematoxylin-eosin staining and tight junction protection detection. The results showed that exposure of carp to fluorine led to the injury of intestinal tissues. And compared to the control group, the expression of tight junction protein ZO-1 and occludin was decreased. Meanwhile, the gut microbial diversity and composition were changed by fluorine exposure. At the phylum level, the abundance of Fusobacteria and Firmicutes increased significantly, and the abundance of Actinobacteria decreased markedly after treatment of fluorine. At the genus level, interestingly, we found the abundance of Plesiomonas, an important pathogenic bacteria, increased significantly by the treatment of fluorine. And the abundance of Akkermansia, a critical probiotics, was markedly inhibited by the treatment of fluorine. In conclusion, the results suggested fluorine exposure changed the gut microbiome composition and led to the damage of intestinal structural integrity.
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“Six studies50,51,55,58,67,71 used real-time–quantitative polymerase chain reaction using 16S rRNA-specific primers to quantify bacterial species.”
From Effect of Fluoride on Gut Microbiota: A Systematic Review (2025) · cites this paper as [55]
In the citing paper
“The authors reported a significant decrease in Zonula occludens-1 and occludin levels.55”
From Effect of Fluoride on Gut Microbiota: A Systematic Review (2025) · cites this paper as [55]
In the citing paper
“For example, the intake of elevated fluoride levels (80 mg/L) can alter both the makeup and diversity of the gut microbiota in common carp, resulting in reduced Actinobacteria abundance with a concomitant increase in Firmicutes and Fusobacterium abundance [20].”
From Saliva microbiome alterations in dental fluorosis population (2023) · cites this paper as [20]
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Cited by
Sorted by citations
Saliva microbiome alterations in dental fluorosis population
Liu, S., Song, Q., Zhang, C., Li, M., Li, Z., Liu, Y., Xu, L., Xie, X., Zhao, L., Zhang, R., et al. (2023) · Journal of Oral Microbiology · doi:10.1080/20002297.2023.2180927 · Cited by 24
Self-citationEffect of Fluoride on Gut Microbiota: A Systematic Review
Yasin, M., Zohoori, F. V., Kumah, E. A., Subramanian, M., Dean, P., & Orr, C. H. (2025) · Nutrition Reviews · doi:10.1093/nutrit/nuae202 · Cited by 8
Metadata
- Authors
- Yu, H., Zhang, Y., Zhang, P., Shang, X., Lu, Y., Fu, Y., & Li, Y.
- Venue
- Biological Trace Element Research
- Published
- 2020-10-29
- ISSN
- 0163-4984
- 1559-0720
- Cited by
- 14
- References
- 0
- Language
- en
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