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KMID : 1161420190220060560
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Journal of Medicinal Food
2019 Volume.22 No. 6 p.560 ~ p.566
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Antiobesity Effects of Lactobacillus plantarum LMT1-48 Accompanied by Inhibition of Enterobacter cloacae in the Intestine of Diet-Induced Obese Mice
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Choi Woo-Jin
Dong Hye-Jin
Jeong Hyun-Uk
Jung Hyun-Ho
Kim Yeung-Hyen
Kim Tai-Hoon
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Abstract
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The gut microbiota is the most important environmental factor that plays a role in inducing obesity. The gram-negative bacteria, Enterobacter cloacae strains, recently identified in obese mice are considered to be pathogenic bacteria in the gut. Probiotics are important members of the gut microbiota and exert beneficial effects, including inhibiting the growth of potential pathogenic bacteria. Therefore, we isolated a total of 230 lactic acid bacteria from traditional, Korean fermented foods and fecal samples from newborn infants, including Lactobacillus plantarum LMT1-48, which exhibited maximal antimicrobial activity against E. cloacae. We next investigated the functional antiobesity effects of L. plantarum LMT1-48 in an E. cloacae-induced high-fat diet (HFD)-fed animal obesity model. To this end, the L. plantarum LMT1-48 showed antiobesity effects, including body weight loss and reduction of abdominal fat volume, which was accompanied by a decrease in leptin and total cholesterol levels in E. cloacae-induced HFD-fed mice. Notably, gut microbiota diversity also increased after long-term ingestion of L. plantarum LMT1-48, resulting in amelioration of obesity in E. cloacae-induced HFD-fed mice. Accordingly, results suggest that dietary intake of L. plantarum LMT1-48 protects against the onset of E. cloacae-induced obesity.
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KEYWORD
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anti-obesity effect, antimicrobial activity, Enterobacter cloacae, Lactobacillus plantarum, obesity, probiotics
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