Reduced virulence is an important characteristic of biofilm infection of Streptococcus suis.

@article{Wang2011ReducedVI,
  title={Reduced virulence is an important characteristic of biofilm infection of Streptococcus suis.},
  author={Yang Wang and Wei Zhang and Zongfu Wu and Chengping Lu},
  journal={FEMS microbiology letters},
  year={2011},
  volume={316 1},
  pages={
          36-43
        }
}
Streptococcus suis 2 (SS2) is a zoonotic pathogen that can participate in biofilm formation to survive in hostile environments. In this study, virulent SS2 strains HA9801 and ZY05719 displayed increased biofilm formation compared with SS2 avirulent strain T15. In addition, a 58% reduction in adherence to HEp-2 cells was observed for HA9801 biofilm cells, compared with HA9801 planktonic cells. The 50% lethal dose (LD(50) ) of biofilm cells was 40-fold greater than that of planktonic cells… CONTINUE READING

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