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Streptococcus salivarius Promotes Mucin Putrefaction and Malodor Production by Porphyromonas gingivalis

N. Sterer1,*, and M. Rosenberg2

1 Department of Prosthodontics, the Hebrew University-Hadassah School of Dental Medicine, POB 12272, Jerusalem 91120, Israel; and
2 Department of Human Microbiology and Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel-Aviv University, Ramat-Aviv, Israel, 69978


Figure 1
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  		Figure 1. Mean results ± standard deviation of (A) malodor levels as scored by judge 1 ({blacksquare}) and judge 2 ({square}) (with results presented on a semi-integer scale of 0–5), and (B) volatile sulfide levels measured with the use of a sulfide monitor (HalimeterTM), as ppb sulfide equivalents. * indicates high significance (p = 0.026 and p = 0.015 for judges 1 and 2, respectively, N = 6).

 

Figure 2
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  		Figure 2. SDS-PAGE analysis of the different incubation mixtures after incubation: Mucin (lane 1); Mucin, S. salivarius (lane 2); Mucin, P. gingivalis (lane 3); Mucin, S. salivarius, P. gingivalis (lane 4); Mucin, S. salivarius, P. gingivalis, p-APTG (lane 5); Mucin, S. salivarius, P. gingivalis, glucose (lane 6). Arrow indicates mucin bands.

 

Figure 3
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  		Figure 3. Mean results ± standard deviation of (A) malodor levels as scored by judge 1 ({blacksquare}) and judge 2 ({square}) (with results presented on a semi-integer scale of 0-5), and (B) volatile sulfide levels measured with the use of a sulfide monitor (HalimeterTM), as ppb sulfide equivalents. * indicates high significance (p = 0.009, N = 6).

 

Figure 4
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  		Figure 4. SDS-PAGE analysis of the different incubation mixtures after incubation: Mucin (lane 1); Mucin, ß-galactosidase (lane 2); Mucin, P. gingivalis (lane 3); Mucin, ß-galactosidase, P. gingivalis (lane 4); Mucin, ß-galactosidase, P. gingivalis, p-APTG (lane 5); Mucin, ß-galactosidase, P. gingivalis, glucose (lane 6). Arrow indicates mucin bands.

 




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