TABLE 3.
EPS status of B. breve strains.
| Strain | Predicted EPS status | EPS status by assay |
| UCC2003 | Positive | Positive |
| UCC2003_EPSneg | Negative (mutant) | Negative |
| JCM7017 | Positive | Positive |
| JCM7017_EPSneg | Negative (mutant) | Negative |
| JCM7019 | Positive | Positive |
| 215W447A | Positive | Positive |
| 017W439A | Unclear | Positive |
| 082W48 | Unclear | Positive |
| 689b | Unclear | Positive |
| NCTC 11815 | Negative | Negative |
| 139W4 | Positive | Negative |
| NCFB 2258 | Negative | Negative |
| 180W83 | Unclear | Negative |
| B12L | Unclear | Negative |
Strains were predicted in silico to be EPS producers or non-producers based on the presence of pGTF and chain length regulator genes. EPS status in vitro was evaluated using EPS sedimentation assays.