Bacterial Toxins General aspects ToXin type Exotoxin--protein produced by bacteria either excreted or bound to bacterial surface and released when lysed Endotoxin-lps of the outer membrane of Gram bacteria Acts as toxin only under special circumstances BIOL 533 Lecture 9BIOL 533 3 Lecture 9 Bacterial Toxins: General Aspects • Toxin type – Exotoxin—protein produced by bacteria either excreted or bound to bacterial surface and released when lysed – Endotoxin—lps of the outer membrane of Gram— bacteria • Acts as toxin only under special circumstances