exotoxin

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Related to Exotoxins: Endotoxins

exotoxin

[¦ek·sə¦täk·sən]
(microbiology)
A toxin that is excreted by a microorganism.
References in periodicals archive ?
Exotoxin production medium [32] Enriched egg yolk medium [13] Sugar fermentation medium [13] Aesculin hydrolysis medium [11] Gelatin medium [35] Indole medium[11].
Food preservatives, exotoxins, and cosmetics such as aspartame (diet sweeteners), food colorings, fluoride, and methyl- and propylparaben.
Exotoxins from Gram +ve bacteria such as S aureus or Streptococcus pyogenes (also called group A Streptococcus) can cause massive and rapid activation of immune responses early in an infection, resulting in toxic shock syndrome.
Evidence for the production of a novel proteinaceous haemolytic exotoxin by dinoflagellate Alexandrium taylori.
AAL28405, emm 42 and 11 had genes for three exotoxins, and emm 11, 65, 81, 74, 87, 3, 109, 74, 11, 71, 68, 86, 77, NS292, StI129 and Sp11014/VT15 possessed all the three fibronectin binding protein (FBP) genes.
Most bacteria found in sewage sludge produce either endotoxins or exotoxins, both of which can cause severe illness or death.
Bacterial endotoxins and exotoxins are released early in the course of necrotizing fasciitis.
Avidocin[TM] proteins kill antibiotic-resistant pathogens and do not promote the spread of multi-drug resistance, nor do they cause the release of exotoxins upon killing bacteria.
Group A streptococci (GAS)--specific phage-associated virulence determinants encoding pyrogenic exotoxins or superantigens (speM, ssa), which are strongly associated with severe diseases such as scarlet fever, streptococcal toxic shock syndrome, and rheumatic fever, have been described among human group C streptococci (GCS) or group G streptococci (GGS) (S.
Apart from the classical lipopolysaccharide endotoxin, the bacteria also produce several exotoxins that are believed to be related to the virulence of the organism.
1996) suggested that larvae are initially attacked by exotoxins released by V.