Table 3 Inhibitory activity (diameters of inhibition halos, mm) of nis positive Lactococcus isolates obtained from raw goat milk against target microorganisms, identified by the spot-on-the-lawn methodology
Target genus | Species/serotype | Origin* | nis positive isolates | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
GLc04 | GLc05 | GLc08 | GLc14 | GLc18 | GLc19 | GLc20 | GLc21 | GLc03 | |||
Lactobacillus | L. sakei | ATCC 15521 | 11 | 13 | 9 | 9 | 5 | 11 | 0 | 0 | 5 |
Lactococcus | L. lactis subsp. lactis | ATCC 7962 | 11 | 9 | 8 | 7 | 0 | 7 | 0 | 0 | 0 |
L. lactis subsp. lactis | GLc18, wild strain, present study | 13 | 11 | 11 | 11 | 0 | 12 | 0 | 0 | 7 | |
L. lactis subsp. lactis | GLc22, wild strain, present study | 13 | 11 | 11 | 7 | 7 | 10 | 7 | 7 | 7 | |
Listeria | L. monocytogenes | ATCC 7644 | 11 | 11 | 11 | 9 | 15 | 13 | 7 | 7 | 9 |
L. monocytogenes | ATCC 15313 | 9 | 9 | 7 | 7 | 0 | 7 | 7 | 5 | 10 | |
L. monocytogenes | 60, wild strain, beef origin | 15 | 14 | 12 | 9 | 7 | 13 | 5 | 5 | 5 | |
L. inoccua | 76, wild strain, beef origin | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | |
Staphylococcus | S. aureus | ATCC 12598 | 9 | 7 | 7 | 7 | 7 | 5 | 7 | 7 | 7 |
S. aureus | ATCC 14458 | 9 | 7 | 7 | 7 | 7 | 9 | 11 | 7 | 7 | |
S. aureus | ATCC 29213 | 8 | 7 | 7 | 7 | 7 | 7 | 9 | 0 | 7 | |
S. aureus | 27AF1, wild strain, cheese origin | 9 | 9 | 9 | 7 | 5 | 11 | 7 | 0 | 9 | |
S. aureus | 27ST1, wild strain, cheese origin | 9 | 9 | 9 | 7 | 5 | 7 | 11 | 7 | 9 | |
S. aureus | 26BP6, wild strain, cheese origin | 13 | 13 | 14 | 7 | 7 | 13 | 7 | 0 | 7 | |
Escherichia | E. coli | ATCC 11229 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
E. coli | ATCC 00171 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Pseudomonas | P. aeruginosa | ATCC 27853 | 5 | 5 | 5 | 5 | 0 | 0 | 5 | 0 | 0 |
P. fluorescens | ATCC 10038 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | |
Salmonella | S. Typhimurium | ATCC 14028 | 7 | 7 | 5 | 5 | 0 | 0 | 0 | 0 | 0 |
S. Cholerasuis | 38, wild strain, beef origin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
S. Enteritidis | 258, wild strain, poultry origin | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 0 | |
S. Typhi | 40, wild strain, beef origin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |