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. 2007 Jul 27;73(18):5789–5796. doi: 10.1128/AEM.00533-07

FIG. 5.

FIG. 5.

Growth of mixed cultures of S. thermophilus mutant A18(Δppc) and DSM 20617 wild type with Lactobacillus delbrueckii subsp. bulgaricus ATCC 11842, CNRZ 397, or CNRZ 1159 (CNRZ 397 PrtB negative) in reconstituted SM. (A) Population of A18(Δppc) cultured alone (⧫) or A18(Δppc) in mixed culture of A18(Δppc)/ATCC 11842 (▴), A18(Δppc)/CNRZ 397 (▪), or A18(Δppc)/CNRZ 1159 (□). (B) Population of DSM 20617 cultured alone (⧫) or DSM 20617 in mixed culture of DSM 20617/ATCC 11842 (▴), DSM 20617/CNRZ 397 (▪), or DSM 20617/CNRZ 1159 (□). All milk cultures were repeated three times, and standard deviations were always <0.2 log10 CFU ml−1.