Table S1 Summary of discussed bacteria surface glycoproteins systemsa) Organism surface Linkage Glycan transferred Gtfs References glycoprot ein Oral microbes Streptococcus Fap1 O Rha1-3Glc1-(Glc1- Gtf1,2,3,DUF1972,GalT1, (Wu et al., 2010; parasanguinis FW213 3GlcNAc1-)2,6Glc1- GalT2, Gly Zhang et al., 6GlcNAc 2014; Zhou et al., 2010; Zhu et al., 2015b) Streptococcus gordonii GspB, O GtfA,GtfB (Bensing et al., Hsa 2004; Takamatsu et al., 2004a, b) Streptococcus mutans Cnm O GlcNAc Pgfs (Aviles-Reyes et al., 2014; Miller et al., 2015) Streptococcus sanguinis SrpA N rhamnose N/D (Erickson and Herzberg, 1993) Porphyromonas Mfa1 N and O fucose, mannose, N/D (Zeituni et al., gingivalis GlcNAc, 2010) and GalNAc RgpA and N and O Ara, Rha, Fuc, Man, VimF (Curtis et al., RgpB Gal, Glc, GalNAc, 1999) GlcNAc Aggregatibacter EmaA O fucose, rhamnose, N/D (Tang and Mintz, actinomycetemcomitans and GalNAc 2010; Tang et al., 2012) T. forsythia TfsA and O 4-Me-β- N/D (Posch et al., TfsB ManpNAcCONH2- 2011) (1→3)- [Pse5Am7Gc- (2→4)-]-β- ManpNAcA-(1→4)- [4-Me-α-Galp- (1→2)-]-α-Fucp- (1→4)-[-α-Xylp- (1→3)-]-β-GlcpA- (1→3)-[-β-Digp- (1→2)-]-α-Galp Gut microbes diffusely adhering AIDA-I O Heptose AAH and AAH2 (Benz and Escherichia Schmidt, 2001; coli Lindenthal and Elsinghorst, 1999) enterotoxigenic TibA O Heptose TibC (Lu et al., 2014) E. coli E.coli Ag43 O Heptose N/D (Sherlock et al., 2006) Campylobacter jejuni PEB3 N GalNAc N/D (Linton et al., 2002) CgpA N GalNAc N/D (Linton et al., 2002) MOMP O Gal(β1-3)- N/D (Mahdavi et al., GalNAc(β1-4)- 2014) GalNAc(β1-4)- GalNAcα1 Streptococcus PsrP O GlcNAc and Glc GtfA,B,C (Shi et al., 2014; pneumonia Wu et al., 2010; Zhu et al., 2015a) Streptococcus agalactiae Srr1 O GlcNAc and Glc GtfA,B,C (Chaze et al., 2014) Srr2 O GlcNAc and Glc GtfA,B,C (Seifert et al., 2006; Zhu et al., 2015a) Skin microbes Staphylococcus aureus SraP O GlcNAc GtfA,GtfB (Li et al., 2014) Staphylococcus Sdr O GlcNAc N/D (Hazenbos et al., epidermidis 2013)

a) N/D, not determined.

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