Enterococcus faecalis

Preliminary study on total protein extraction methods from Enterococcus faecalis biofilm

W. Chen, Liang, J., He, Z., Jiang, W., Chen, W., Liang, J., He, Z., and Jiang, W., Preliminary study on total protein extraction methods from Enterococcus faecalis biofilm, vol. 15, p. -, 2016.

Enterococcus faecalis is the major pathogen of post-endodontic disease and refractory periapical periodontitis, and recent research on this species has focused on its pathogenicity. E. faecalis most often causes disease in the form of a biofilm, and total protein expression shows a strong association with its virulence. Therefore, the purpose of our study was to explore different methods of extracting the total proteins of the E. faecalis (ATCC 33186 standard strain) biofilm.

Biological changes of Enterococcus faecalis in the viable but nonculturable state

J. E, Jiang, Y. T., Yan, P. F., and Liang, J. P., Biological changes of Enterococcus faecalis in the viable but nonculturable state, vol. 14, pp. 14790-14801, 2015.

Enterococcus faecalis may enter a viable but nonculturable (VBNC) state under adverse conditions. E. faecalis, the major bacterial species present in failed root canal treatments, is thought to survive after endodontic treatment by entering a VBNC state. In this study, we characterized the VBNC state of E. faecalis. We designed 3 different protocols to successfully induce the VBNC state. Approximately one-third of bacteria entered a VBNC state after 15-30 days, and all remained viable for at least 2 months.

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