期刊
BRITISH JOURNAL OF NUTRITION
卷 103, 期 3, 页码 335-338出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114509992182
关键词
Microbiota; Faecalibacterium; Obesity; Colon; Butyrate-producing bacteria
资金
- Indian Council of Medical Research
- Department of Science and Technology, Government of India [LSI-141/2002]
Gut bacteria contribute to energy conservation in man through their ability to ferment Unabsorbed carbohydrate. The present study examined the composition of predominant faecal microbiota in obese and non-obese children. The participants (n 28) aged 11-14 years provided fresh faecal samples and completed a dietary survey consisting of 24 h diet recall and a FFQ of commonly used foods taken over the previous 3 months. Faecal bacteria were quantitated by real-time PCR using primers targeted at 16S rDNA. Of the participants, fifteen (seven female) were obese, with median BMI-for-age at the 99th percentile (range 97 to > 99) while thirteen participants (seven female) were normal weight, with median BMI-for age being at the 50th percentile (range 1-85). Consumption of energy, carbohydrates, fat and protein was not significantly different between the obese and non-obese participants. There was no significant difference between the two groups in faecal levels of Bacteroides-Prevotella. Bifidobacterium species, Lactobacillus acidophilus group or Eubacterium rectale. Levels of Faecalibacterium prausnitzii, were significantly higher in obese children than in non-obese participants (P=0.0253). We concluded that the finding of increased numbers off. prausnitzii in the faeces of obese children in south India adds to the growing information on alterations in faecal microbiota in obesity.
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