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Effects of three natural extracts on selected virulence-related promoters.
| Promoters | 15 | AE62D | AE63 | AMP |
|---|---|---|---|---|
| spa | − | − | +++ | ++ |
| pvl | − | − | − | ++ |
| hla | − | − | − | ++ |
| psm | − | − | − | + |
| fnbB | − | − | + | + |
| cap8 | + | − | ++ | + |
| cap5 | + | − | + | + |
| sarS | − | −− | + | + |
| saeP1 | − | − | − | + |
+, induction effect; −, repression effect. 15, an extract from Abies grandis (grand fir); AE62D, an extract from Sphaerophorus globosus (coral lichen); AE63, an extract from Usnea filipendula (beard lichen); AMP, ampicillin.
