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  • Title: Genome Analysis of Enterococcus mundtii Pe103, a Human Gut-Originated Pectinolytic Bacterium.
    Author: Jung DH, Seo DH, Shin JH, Park CS, Chung WH.
    Journal: Curr Microbiol; 2020 Aug; 77(8):1839-1847. PubMed ID: 32166413.
    Abstract:
    Pectin exists in significant amounts in vegetables and fruits as a component of the plant cell wall. In human diet, pectin is not degraded by the human digestive enzymes due to its complex structure; only gut bacteria degrade pectin in the large intestine. To date, although pectin is one of the most important sources of dietary fiber in human diet, there have been only few reports on human gut-originated pectinolytic bacteria. In this study, the strain Enterococcus mundtii Pe103, a bacterium with pectin-degrading activity, was isolated from the feces of a healthy Korean adult female. Culture experiments revealed that it could grow on pectin as the sole carbon source by degrading pectin to approximately 35% within 13 h. We report the complete genome data of human gut E. mundtii Pe103. It consists of a circular chromosome (3,084,146 bps) and two plasmids (63,713 and 56,223 bps). Genomic analysis suggested that at least nine putative enzymes related to pectin degradation are present in E. mundtii Pe103. These enzymes may be involved in the degradation of pectin. The whole genome information of E. mundtii Pe103 could improve the understanding of the mechanism underlying the degradation of pectin by human gut microbiota.
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