Effects of Ramadan intermittent fasting on gut microbiome: is the diet key?

被引:10
作者
Saglam, Duygu [1 ]
Colak, Gozde Aritici [1 ]
Sahin, Eray [2 ]
Ekren, Berkay Yekta [2 ]
Sezerman, Ugur [3 ]
Bas, Murat [1 ]
机构
[1] Acibadem Mehmet Ali Aydinlar Univ, Hlth Sci Fac, Dept Nutr & Dietet, Istanbul, Turkiye
[2] Acibadem Mehmet Ali Aydinlar Univ, Inst Hlth & Sci, Dept Biostat & Bioinformat, Istanbul, Turkiye
[3] Acibadem Mehmet Ali Aydinlar Univ, Sch Med, Dept Med Stat & Bioinformat, Istanbul, Turkiye
关键词
Ramadan; diet; gut; microbiota; intermittent fasting; CARDIOMETABOLIC RISK-FACTORS; AKKERMANSIA-MUCINIPHILA; DIVERSITY; ABUNDANCE; WEIGHT;
D O I
10.3389/fmicb.2023.1203205
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Much research has been conducted regarding the impact of diet on the gut microbiota. However, the effects of dietary habits such as intermittent fasting are unclear. This study aimed to investigate the effect of intermittent fasting during Ramadan on the gut microbiota. The study was conducted on 12 healthy adult individuals who practiced fasting 17 h per day for 29 consecutive days during the month of Ramadan. To determine the dietary intake of individuals, a 3-day dietary record was kept at the beginning and end of the study. Reads that passed quality filtering were clustered, and custom-prepared 16S rRNA gene regions of bacteria associated with the human microbiome were used as a reference. Consensus sequences were created, and genus-level taxonomic annotations were determined using a sequence identity threshold of 95%. The correlations between the dietary intake measurements of the participants and the respective relative abundance of bacterial genera were investigated. The results showed that Firmicutes were higher in abundance in the gut microbiota before fasting among participants, while they were significantly lower in abundance at the end of Ramadan fasting (p < 0.05). Proteobacteria were significantly higher in abundance at the end of the month of Ramadan (p < 0.05). Fasting was associated with a significant decrease in levels of seven genera: Blautia, Coprococcus, Dorea, Faecalicatena, Fusicatenibacter, Lachnoclostridium, and Mediterraneibacter. Conversely, the abundances of two bacterial genera were enhanced at the end of the fasting month: Escherichia and Shigella. The results of the dietary intake analysis showed that a negative correlation was detected for three comparisons: Ihubacter and protein (rho = -0.54, p = 0.0068), Fusicatenibacter and vegetables (rho = -0.54, p = 0.0042), and Intestinibacter and nuts (rho = -0.54, p-value = 0.0065). The results suggest that even when the fasting period during Ramadan is consistent, the types of food consumed by individuals can affect the gut microbiota.
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页数:15
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