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Federal
Detection and characterization of the
U.S. Department of Health & Human Services —
Background Virulence genes on Salmonella pathogenicity island 1 (SPI1) are coordinately regulated by HilA, a member of the OmpR/ToxR family of transcription factors.... -
Federal
Carbon and nitrogen substrate utilization by archival
U.S. Department of Health & Human Services —
Background A collection of over 20,000 Salmonella typhimurium LT2 mutants, sealed for four decades in agar stabs, is a unique resource for study of genetic and... -
Federal
The emerging periplasm-localized subclass of AroQ chorismate mutases, exemplified by those from
U.S. Department of Health & Human Services —
Background Chorismate mutases of the AroQ homology class are widespread in the Bacteria and the Archaea. Many of these exist as domains that are fused with other...