TABLE 1.
Bacterial strains used in this study
| Indicator species | Straina | Sensitivity to purified PAMP (MIC [nM]) |
|---|---|---|
| Propionibacterium acidipropionici | ATCC 4965 | 3.6 |
| Propionibacterium acidipropionici | ATCC 4875 | 7.2 |
| Propionibacterium acidipropionici | LMG 2829 | 3.6 |
| Propionibacterium freudenreichii subsp. freudenreichii | ATCC 6207T | 7.2 |
| Propionibacterium freudenreichii subsp. shermanii | ATCC 9614T (DSM 4902) | —b |
| Propionibacterium freudenreichii | INF-P203 | 116 |
| Propionibacterium freudenreichii | INF-P205 | 58 |
| Propionibacterium freudenreichii | INF-P216 | — |
| Propionibacterium freudenreichii | LMG 2948 | — |
| Propionibacterium freudenreichii | LMG 2969 | — |
| Propionibacterium freudenreichii | LMG 3001 | — |
| Propionibacterium jensenii | ATCC 4868T | — |
| Propionibacterium jensenii | ATCC 14072 | — |
| Propionibacterium jensenii | INF-P311 | — |
| Propionibacterium jensenii | LMG 2818 | — |
| Propionibacterium jensenii | LMG 2819 | — |
| Propionibacterium jensenii | LMG 2820 | 116 |
| Propionibacterium jensenii | LMG 2821 | — |
| Propionibacterium jensenii | LMG 2823 | — |
| Propionibacterium jensenii | LMG 2942 | — |
| Propionibacterium jensenii | LMG 3032 | 116 |
| Propionibacterium thoenii | ATCC 4872 | — |
| Propionibacterium thoenii | ATCC 4874T | — |
| Propionibacterium thoenii | TL 221 | — |
| Propionibacterium thoenii | 419 | — |
| Propionibacterium thoenii | INF P409 | — |
| Propionibacterium thoenii | INF-P410 | 116 |
| Propionibacterium thoenii | INF-P414 | 0.9 |
| Propionibacterium thoenii | LMG 2792 | — |
| Lactobacillus delbrueckii subsp. lactis | ATCC 4797 | 0.5 |
| Lactobacillus delbrueckii subsp. lactis | DSM 20072T | 0.2 |
| Lactobacillus delbrueckii subsp. bulgaricus | DSM 20081T | 7.2 |
| Lactobacillus helveticus | DSM 20075T | 0.9 |
| Lactobacillus helveticus | LMG 2808 | — |
| Lactobacillus plantarum | LMG 2003 | 116 |
| Lactobacillus plantarum | LMG 2362 | — |
| Lactobacillus sakei | NCDO 2714 | 0.9 |
a
Abbreviations: ATCC, American Type Culture Collection (Rockville, Md.); DSM, Deutsche Sammlung von Mikroorganismen und Zellkulturen; NCDO, National Collection of Food Bacteria (Reading, United Kingdom); INF and LMG, our strain collection. Propionibacterium thoenii 419 comes from the Environmental Bacteriology Culture Collection, University of the Orange Free State, Bloemfontein, South Africa. Propionibacterium thoenii TL 221 comes from L'Institut National de la Recherche Agronomique (INRA). T, type strain.
b
—, no antimicrobial activity.