Genome sequence of a commensal bacterium, Enterococcus faecalis CBA7120, isolated from a Korean fecal sample

Joon Yong Kim, Hye Seon Song, Yeon Bee Kim, Joseph Kwon, Jong Soon Choi, Yong Joon Cho, Byung Yong Kim, Jin Kyu Rhee, Jinjong Myoung, Young Do Nam, Seong Woon Roh

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Background: Enterococcus faecalis, the type strain of the genus Enterococcus, is not only a commensal bacterium in the gastrointestinal tract in vertebrates and invertebrates, but also causes serious disease as an opportunistic pathogen. To date, genome sequences have been published for over four hundred E. faecalis strains; however, pathogenicity of these microbes remains complicated. To increase our knowledge of E. faecalis virulence factors, we isolated strain CBA7120 from the feces of an 81-year-old female from the Republic of Korea and performed a comparative genomic analysis. Results: The genome sequence of E. faecalis CBA7120 is 3,134,087 bp in length, with a G + C content of 37.35 mol%, and is comprised of four contigs with an N50 value of 2,922,046 bp. The genome showed high similarity with other strains of E. faecalis, including OG1RF, T13, 12107 and T20, based on OrthoANI values. Strain CBA7120 contains 374 pan-genome orthologous groups (POGs) as singletons, including "Phages, Prophages, Transposable elements, Plasmids," "Carbohydrates," "DNA metabolism," and "Virulence, Disease and Defense" subsystems. Genes related to multidrug resistance efflux pumps were annotated in the genome. Conclusions: The comparative genomic analysis of E. faecalis strains presented in this study was performed using a variety of analysis methods and will facilitate future identification of hypothetical proteins.

Original languageEnglish
Article number62
JournalGut Pathogens
Volume8
Issue number1
DOIs
StatePublished - 25 Nov 2016

Bibliographical note

Publisher Copyright:
© 2016 The Author(s).

Keywords

  • Comparative genomics
  • Enterococcus faecalis
  • Genome sequence
  • Virulence factors

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