Table 4. Proteolysis, acidification and antagonistic traits of ten Leuconostoc mesenteroides (LM_4) strains belonging to the same genotype (cluster).
Strain code |
Proteolysis (d/mm) | Acidification (pH) | Indicator bacteria | |||
---|---|---|---|---|---|---|
Disc diffusion method | Spot method | t=24 h | t=7 day | Staphylococcus aureus ssp. aureus | Brochothrix termospachta |
|
LM_4 G1_1 | 14.50±0.71 | 11.00±0.00 | 3.99±0.01 | 3.74±0.02 | + | – |
LM_4 G1_8 | 15.00±1.41 | 10.00±0.00 | 3.98±0.04 | 3.74±0.02 | + | – |
LM_4G1_10 | 14.00±0.00 | 11.00±0.00 | 4.09±0.02 | 3.75±0.02 | + | + |
LM_4 G1_11 | 14.00±0.00 | 11.00±0.00 | 4.06±0.04 | 3.75±0.02 | + | – |
LM_4 G1_3 | 15.00±0.00 | 9.00±0.00 | 3.99±0.02 | 3.73±0.02 | + | + |
LM_4 G1_7 | 14.50±0.71 | 11.00±0.00 | 4.01±0.00 | 3.76±0.01 | + | – |
LM_4 G1_13 | 15.00±1.41 | 10.00±0.00 | 4.02±0.02 | 3.78±0.01 | + | + |
LM_4 G1_15 | 14.00±0.00 | 11.00±0.00 | 4.06±0.00 | 3.77±0.02 | + | + |
LM_4 G1_5 | 14.00±0.00 | 11.00±0.00 | 3.98±0.02 | 3.71±0.01 | + | – |
LM_4 G1_9 | 15.00±0.00 | 9.00±0.00 | 3.97±0.01 | 3.72±0.04 | + | + |
Values are presented as mean±standard deviation. Results of antagonistic activity are expressed as the difference in the measured diameters, where –=no inhibition (the difference in their diameters is <1 mm), and +=inhibition (grown colonies are 1–2 mm smaller than the growth control)