1[1]Helen L B, Kate F G, Steven M J,et al. Antibody responses to Yersinia pestis Flantigen expressed in Salmonella typhimurium aroA from in vivo_inducible promoters[J]. Vaccine,2000,18:2668-2676.
2[2]Heithoff D M, Sinsheimer R L, Low D A, et al. An essential role for DNA adenine methylation in bacterial virulence[J]. Trans R Soc Lond B Biol Sci, 2000, 355(1397):633-642.
3[3]Gunn J S, Ryan S S, Van Velkinburgh J C,et al. Genetic and functional analysis of a PmrA_PmrB_regulated locus necessary for lipopolysaccharide modification, antimicrobial peptide resistance, and oral virulence of Salmonella enterica serovar typhimurium[J]. Infect Immun, 2000, 68(11):6139-6146.
4[4]Douglas M, Robert L, David A,et al. Dietary formulation with rendered spent hen meals on a total amino acid versus a digestible amino acid basis [J]. Poult Sci,1999,284:967-970.
5[5]Pickett T E,Pasetti M F, Galen J E, et al. In vivo characterization of the murine intranasal model for assessing the immunogenicity of attenuated Salmonella enterica serovar Typhi strains as live mucosal vaccines and as live vectors [J]. Infect Immunol, 2000, 68(1):205-213.
6[6]Curtiss R, Hassan J. Nonrecombinant and recombinant avirulent Salmonella vaccines for poultry[J]. Vet Immunol Immunopathol,1996,54(1-4):365-372.
7[7]Ahmer B M,Reeuwijk J, Watson P, et al. Salmonella SirA is a global regulator of genes mediating enteroathogenesis[J]. Infect Immun, 1999, 31(3):971-982.
8[8]Kubori T, Matsushima Y, Nakamura D, et al. Supramolecu-lar structure of the Salmonella typhimurium type Ⅲ protein secretion system[J]. Science, 1998, 280(5363):602-605.
9[9]Johnston C, Pegues D A,Hueck C J, et al. Transcriptional activation of Salmonella typhimurium invasion genes by a member of the phosphorylated response_regulator superfamily[J]. Mol Microbiol. 1996, 22(4):715-727.
10[10]Baiaj V, Lucas R L, Hwang C, et al. Co_ordinate regulation of Salmonella typhimurium invation genes by environmental and regulatory factors in mediated by control of hilA expression[J]. Microbiol,1996, 22:703-714.