2008
DOI: 10.4049/jimmunol.181.7.5054
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Immune Cell Activation by Enterotoxin Gene Cluster (egc)-Encoded and Non-egc Superantigens from Staphylococcus aureus

Abstract: The species Staphylococcus aureus harbors 19 superantigen gene loci, six of which are located in the enterotoxin gene cluster (egc). Although these egc superantigens are far more prevalent in clinical S. aureus isolates than non-egc superantigens, they are not a prominent cause of toxic shock. Moreover, neutralizing Abs against egc superantigens are very rare, even among carriers of egc-positive S. aureus strains. In search of an explanation, we have tested two non-exclusive hypotheses: 1) egc and non-egc supe… Show more

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Cited by 63 publications
(57 citation statements)
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“…The expression of each of these genes by S. aureus is precisely controlled by several regulatory systems but in a different manner (28). As suggested by Grumann et al, we suspect that it is beneficial for S. aureus to extend the conditions when the immune system is triggered by SSAgs (13).…”
Section: Discussionmentioning
confidence: 74%
“…The expression of each of these genes by S. aureus is precisely controlled by several regulatory systems but in a different manner (28). As suggested by Grumann et al, we suspect that it is beneficial for S. aureus to extend the conditions when the immune system is triggered by SSAgs (13).…”
Section: Discussionmentioning
confidence: 74%
“…Remarkably, the regulation of SAg release differs fundamentally between the two groups of SAgs (10,31). These findings raised the question of how this differential regulation of egc and non-egc SAgs affects the antiSAg antibody response during SAB.…”
Section: Discussionmentioning
confidence: 99%
“…to egc and non-egc SAgs (10). Because the amino acid sequences of the egc SAgs are more closely related to those of individual non-egc SAgs than to each other (17,42), it also appears unlikely that the two groups of SAgs differ systematically in their immunogenicities.…”
Section: Vol 18 2011 Superantigens In S Aureus Bacteremia 491mentioning
confidence: 99%
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