Table S2. Bacterial strains used in this study. P. gingivalis strains Description Reference or source 33277 Wild type ATCC KDP107 porR ::Emr Shoji et al. 2002 KDP117 porT ::Emr Sato et al. 2005 KDP129 kgp:: Cmr Shi et al. 1999 KDP133 rgpA:: Emr rgpB:: Tcr Shi et al. 1999 KDP136 kgp ::Cmr rgpA ::Emr rgpB ::Tcr Shi et al. 1999 KDP200 PGN_0242::Emr Shoji et al. 2011 KDP201 PGN_0663::Emr Shoji et al. 2011 KDP202 vimA ::Tcr Shoji et al. 2011 KDP203 waaL ::Emr Shoji et al. 2011 KDP204 wzy::Emr Shoji et al. 2011 KDP205 PGN_2005::Tn4400' , Tcr This study KDP206 PGN_2005::Emr This study KDP207 PGN_2005::Emr porT ::Apr This study KDP208 PGN_1033::Emr This study KDP209 PGN_1916-1917::Emr This study KDP210 PGN_2066::Emr This study KDP211 PGN_2072::Emr This study KDP212 PGN_1523-1525::Emr This study KDP213 PGN_1362-1363::Emr This study KDP214 PGN_1896::Emr This study KDP215 PGN_0223-0227::Emr This study KDP216 PGN_1233::Tcr This study KDP217 PGN_1233::Tcr PGN_1896::Emr This study KDP218 PGN_2005::Emr/pKD888 This study KDP219 PGN_2005::Emr porT ::Apr/pKD888 This study KDP354 porP ::Emr Sato et al. 2010 KDP355 porK ::Emr Sato et al. 2010 KDP356 porL ::Emr Sato et al. 2010 KDP357 porM ::Emr Sato et al. 2010 KDP358 porN ::Emr Sato et al. 2010 KDP359 porW ::Emr Sato et al. 2010 KDP360 porU ::Emr Sato et al. 2010 KDP361 porV ::Emr Shoji et al. 2011 KDP362 porQ ::Emr Sato et al. 2010 KDP365 sov ::Emr Sato et al. 2010 KDP400 gtfB ::Emr Yamaguchi et al. 2010 Prfa1 rfa ::Emr Sato et al. 2009 W83 Wild type Gift from M. J. Duncana TDC60 Wild type Gift from K. Ishiharab TDC117 Wild type Gift from K. Ishiharab TDC275 Wild type Gift from K. Ishiharab GAI7802 Wild type Gift from E. Hoshinoc SU63 Wild type Gift from M. Yonedad HG66 non pigmented strain Gift from J. Potempae E. coli strains Description Source or reference XL-1Blue General purpose host strain for cloning Stratagene BL21(DE3) Host strain for protein expression Novagen S17-1 RP-4-2-Tc::Mu aph ::Tn7 recA , Smr Simon et al. 1983 W3110 rph-1 1N(rrnD-rrnE ) Gift from M. A. Valvanof EVV16 W3110 ΔwzzB::Kmr Vinés et al. 2005 a Department of Molecular Genetics, The Forsyth Institute, Boston, MA. b Department of Microbiology, Tokyo Dental College, Chiba, Japan. c Department of Oral Health Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan. d Department of General Dentistry, Fukuoka Dental College, Fukuoka, Japan. e Faculty of Biochemistry Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland. f Department of Microbiology and Immunology, University of Western Ontario, Ontario, Canada.