Salmonella pathogenicity island 2 expression negatively controlled by EIIANtr–SsrB interaction is required for Salmonella virulence
Proc. Natl. Acad. Sci. USA, November 23, 2010 vol. 107 no. 47 20506-20511. Published online before print November 8, 2010, doi: 10.1073/pnas.1000759107