Direct action toxin type | Indirect actiontoxin type |
1. Poreforning toxins: | Lipid A (Gram-negative LPS) |
leukocidins, hemolysins | Superantigenic toxins: |
2. AB subunit toxins: | Staphylococcal enterotoxins, TSST |
A subunit-affect cyclic AMP | Streptococcal pyrogenic toxins |
A subunit-inactivate protein synthesis |
|
B subunit-receptor binding function |
|