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Effects of Usnic acid and four natural extracts on selected virulence-related promoters.
| Genus | species | Extract | spa | srtA | psm | hla | cap8 | pvl | clfA | fnbB |
|---|---|---|---|---|---|---|---|---|---|---|
| Usnea | subfloridana | L125 | − | −− | −− | −− | − | −−− | −− | − |
| Usnea | subfloridana | L314 | +++ | + | −− | −− | ++ | −− | −− | / |
| Usnea | filipendula | AE63 | +++ | − | −− | −− | ++ | −−− | −− | + |
| Usnea | rigida | AE66A | ++ | − | −− | −− | + | −−− | −− | − |
| Compound | Usnic acid | +++ | + | − | − | + | −− | −− | / | |
| Control | DMSO | / | / | / | / | / | / | / | / | |
+, induction effect; −, repression effect; /, no effect.
