Correlation between gut microbiota and six facets of neuroticism in korean adults

Eunkyo Park, Kyung Eun Yun, Mi Hyun Kim, Jimin Kim, Yoosoo Chang, Seungho Ryu, Hyung Lae Kim, Han Na Kim, Sung Chul Jung

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A person high in neuroticism is more likely to experience anxiety, stress, worry, fear, anger, and depression. Previous studies have shown that the gut microbiota can influence personality and mental disorders, including stress, anxiety, and depression, through the gut–brain axis. Here, we investigated the correlations between the sub-facet of neuroticism and gut microbiota using the Revised NEO Personality Inventory and the 16S rRNA gene sequencing data 784 adults. We found that the high anxiety and vulnerability group showed significantly lower richness in microbial diversity than a group with low anxiety and vulnerability. In beta diversity, there was a significant difference between the low and high groups of anxiety, self-consciousness, impulsiveness, and vulnerability. In taxonomic compositions, Haemophilus belonging to Gammaproteobacteria was correlated with the Neuroticism domain as well as N1 anxiety and N6 vulnerability facets. The high N1 anxiety and N6 vulnerability group was correlated with a low abundance of Christensenellaceae belonging to Firmicutes Clostridia. High N4 self-consciousness was correlated with a low abundance of Alistipes and Sudoligranulum. N5 impulsiveness was correlated with a low abundance of Oscillospirales. Our findings will contribute to uncovering the potential link between the gut microbiota and neuroticism, and the elucidation of the correlations of the microbiome–gut–brain axis with behavioral changes and psychiatric cases in the general population.

Original languageEnglish
Article number1246
JournalJournal of Personalized Medicine
Volume11
Issue number12
DOIs
StatePublished - Dec 2021

Keywords

  • 16s sequencing
  • Anxiety
  • Depression
  • Gut–brain axis
  • Microbiota
  • Neuroticism
  • Vulnerability

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