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Exposure to Formaldehyde Perturbs the Mouse Gut Microbiome

Junhui Guo1,2,3, Yun Zhao4, Xingpeng Jiang5

  • 1Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China. guojunhui@whut.edu.cn.

Genes
|April 4, 2018
PubMed

Insights

Formaldehyde (FA) exposure alters gut microbiome composition and metabolic pathways in mice. This study reveals potential mechanisms of FA toxicity linked to changes in the gut microbial community.

Area of Science:

  • Microbiology
  • Toxicology
  • Metagenomics

Background:

  • Formaldehyde (FA) exposure causes pathophysiological symptoms, but mechanisms remain unclear.
  • Intestinal microbiota significantly influences human health.
  • This study investigates the link between FA exposure and gut microbiome alterations.

Purpose of the Study:

  • To investigate the impact of Formaldehyde exposure on the mouse gut microbiome.
  • To identify specific bacterial genera and metabolic pathways affected by FA.
  • To explore potential mechanisms of FA toxicity through microbiome analysis.

Main Methods:

  • Balb/c mice were exposed to varying concentrations of FA and methanol.
  • High-throughput sequencing of 16S ribosomal RNA (rRNA) genes was used to analyze gut microbiota composition.
  • PICRUSt software predicted KEGG metabolic pathways to explore functional changes.

Main Results:

  • FA exposure induced significant alterations in the composition of the mouse gut microbiota.
  • Specific bacterial genera were identified as being affected by FA exposure.
  • Predicted metabolic pathways, including alpha-Linolenic acid metabolism and pathways in cancer, were associated with FA exposure.

Conclusions:

  • This preliminary study is the first to demonstrate changes in the mouse gut microbiome following FA exposure.
  • FA-induced alterations in gut microbiota and associated metabolic pathways may contribute to FA toxicity.
  • Further, larger-scale studies are needed to confirm these findings.
Keywords:
16s rRNA geneformaldehyde (FA)gut microbiomehigh-throughputmurine model

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