Table 2.
The antimicrobial spectrum of LysB4
| Organisms | Relative lytic activity (%) | |
|---|---|---|
| Gram-negative bacteria | Escherichia coli MG1655 | ++ |
| Escherichia coli O157:H7 ATCC 43894 | ++ | |
| Escherichia coli O157:H7 ATCC 43890 | ++ | |
| Escherichia coli O157:NM 3204-92 | ++ | |
| Pseudomonas aeruginosa ATCC 27853 | ++ | |
| Cronobacter sakazakii ATCC 29544 | ++ | |
| Shigella flexineri 2a strain 2457 T | + | |
| Shigella boydii IB 2474 | ++ | |
| Salmonella Typhimurium LT2 | + | |
| Salmonella Enteritidis ATCC 13078 | + | |
| Gram-positive bacteria | Listeria monocytogenes ATCC 19114 | ++ |
| Bacillus cereus ATCC 40133 | +++ | |
| Bacillus cereus ATCC 27348 | +++ | |
| Bacillus subtilis 168 | +++ | |
| Enterococcus faecalis ATCC 29212 | - | |
| Staphylococcus aureus ATCC 29213 | - | |
| Lactococcus lactis subsp. Lactis ATCC 11454 | - | |
| Streptococcus thermophilus ATCC 19258 | - | |
Gram-negative bacteria were treated with EDTA. Relative lytic activity was obtained by comparing the lytic activity of each test to it toward B. cereus ATCC10876; 1-40% +, 41-70% ++, 71-100% +++, 0% -