Abstract
ABSTRACTA better understanding of immunity to infection is revealed from the characteristics of microbial ligands recognized by host immune responses. Murine infection with the intracellular bacteriumSalmonellagenerates CD4+T cells that specifically recognizeSalmonellaproteins expressed in bacterial surface organelles such as flagella and membrane vesicles. These naturalSalmonellaantigens are also ligands for Toll-like receptors (TLRs) or avidly associated with TLR ligands such as lipopolysaccharide (LPS). PhoP/PhoQ, a regulon controllingSalmonellavirulence and remodeling of LPS to resist innate immunity, coordinately represses production of surface-exposed antigens recognized by CD4+T cells and TLRs. These data suggest that genetically coordinated surface modifications may provide a growth advantage forSalmonellain host tissues by limiting both innate and adaptive immune recognition.
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Dates
Type | When |
---|---|
Created | 20 years, 6 months ago (Feb. 23, 2005, 8:58 p.m.) |
Deposited | 2 years, 3 months ago (May 2, 2023, 5:02 a.m.) |
Indexed | 4 months, 3 weeks ago (March 30, 2025, 1:24 a.m.) |
Issued | 20 years, 5 months ago (March 1, 2005) |
Published | 20 years, 5 months ago (March 1, 2005) |
Published Print | 20 years, 5 months ago (March 1, 2005) |
@article{Bergman_2005, title={CD4+T Cells and Toll-Like Receptors RecognizeSalmonellaAntigens Expressed in Bacterial Surface Organelles}, volume={73}, ISSN={1098-5522}, url={http://dx.doi.org/10.1128/iai.73.3.1350-1356.2005}, DOI={10.1128/iai.73.3.1350-1356.2005}, number={3}, journal={Infection and Immunity}, publisher={American Society for Microbiology}, author={Bergman, Molly A. and Cummings, Lisa A. and Barrett, Sara L. Rassoulian and Smith, Kelly D. and Lara, J. Cano and Aderem, Alan and Cookson, Brad T.}, year={2005}, month=mar, pages={1350–1356} }