Abstract:
BACKGROUND:Salmonella enterica is a facultative intracellular pathogen that replicates within a membrane-bound compartment termed Salmonella containing vacuole (SCV). The biogenesis of SCV requires Salmonella type III protein secretion/translocation system and their effector proteins which are translocated into host cells to exploit the vesicle trafficking pathways. SseF is one of these effectors required for SCV formation and Intracellular Salmonella replication through unknown mechanisms. RESULTS:In an attempt to identify host proteins that interact with SseF, we conduct a yeast two-hybrid screening of human cell cDNA library using SseF as the bait. We identified that TIP60, an acetyltransferase, interacts with SseF. We showed that the TIP60 acetylation activity was increased in the presence of SseF, and TIP60 was upregulated upon Salmonella infection. In addition, TIP60 is required for efficient intracellular Salmonella replication in macrophages. CONCLUSION:Taken together, our data suggest that Salmonella may use SseF to exploit the host TIP60 acetyltransferase activity to promote efficient Salmonella replication inside host cells.
journal_name
BMC Microbioljournal_title
BMC microbiologyauthors
Wang X,Li D,Qu D,Zhou Ddoi
10.1186/1471-2180-10-228subject
Has Abstractpub_date
2010-08-26 00:00:00pages
228issn
1471-2180pii
1471-2180-10-228journal_volume
10pub_type
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