Johnson, T.J., Wannemuehler, Y.M., Johnson, S.J., and Nolan, L.K. Plasmid Replicon Typing of Commensal and Pathogenic Types of Escherichia coli. Accepted for publication in Applied Environ Microbiol.

Johnson, T.J., Kariyawasam, S., Wannemuehler, Y.M., Mangiamele, P.M., Johnson, S.J., Doetkott, C., Logue, C.M., Skyberg, J.A., Johnson, J.R., Lynne, A.L., and Nolan, L.K. Comparison of the Genomes, Growth Characteristics and Virulence of Human and Avian ExPEC. Accepted for publication in J Bacteriol.

Skyberg, J.A., Johnson, T.J., Logue, C.M., and Nolan, L.K. 2006. Acquisition of a Large ColV Plasmid by an Avirulent Escherichia coli Isolate Enhances Its Virulence and Ability to Grow in Human Urine. Infect Immun. 74:6287-6292.

Johnson, T.J., Wannemuehler, Y.M., Scaccianoce, J., Johnson, S.J., and Nolan, L.K. 2006. Complete DNA Sequence, Comparative Genomics, and Prevalence of an IncH Plasmid Occurring among Extraintestinal Pathogenic Escherichia coli. Antimicrob Agents Chemother. 50:3929-3933.

Johnson, T.J., Johnson, S.J., and Nolan, L.K. 2006. Complete DNA Sequence of a ColBM Plasmid from an Avian Pathogenic Escherichia coli Suggests that it Evolved from Closely Related ColV Virulence Plasmids. J Bacteriol. 188:5975-5983.

Kariyawasam, S., Johnson,T.J., and Nolan, L.K. 2006. Occurrence of Pathogenicity Island APEC-O1 Genes Among Escherichia coli Implicated in Avian Colibacillosis. Avian Dis. 50:405-410.

Kariyawasam, S., Johnson, T.J., and Nolan, L.K. 2006. Unique DNA Sequences of Avian Pathogenic Escherichia coli Isolates as Determined by Genomic Suppressive Subtractive Hybridization. FEMS Microbiol Letters 262:193-200.

Johnson, T.J., Siek, K.E., Johnson, S.J., and Nolan, L.K. 2006. DNA Sequence of a ColV Plasmid and Prevalence of Selected Plasmid-Encoded Virulence Genes Among Avian Escherichia coli. J Bacteriol. 188:745-788.

Kariyawasam, S., Johnson, T.J., and Nolan, L.K. 2006. The pap Operon of Avian Pathogenic Escherichia coli Strain APEC O1:K1 is Located on a Novel Pathogenicity Island. Infect Immun. 74:744-749.

Johnson, T.J., Siek, K.E., Johnson, S.J., and Nolan, L.K. 2005. DNA Sequence and Comparative Genomics of pAPEC-O2-R, an Avian Pathogenic Escherichia coli (APEC) Transmissible R Plasmid. Antimicrob Agents Chemother. 49:4681-4688.

Rodriguez-Siek, K., Giddings, C.W., Doetkott, C., Johnson, T.J., and Nolan, L.K. 2005. Characterizing the APEC Pathotype. Vet Res. 35:241-256.

Rodriguez-Siek, K.E., Giddings, C.W., Johnson, T.J., Fakhr, M., Doetkott, C., and Nolan, L.K. 2005. Comparison of Escherichia coli Implicated in Human Urinary Tract Infection and Avian Colibacillosis. Microbiol. 151: 2097-2110.

Johnson, T.J., Siek, K., Skyberg, J., Doetkott, C., and Nolan, L.K. 2005. Plasmid-Linked Virulence Factors among Avian Pathogenic Escherichia coli. Plasmid Biology 2004: International Symposium on Molecular Biology of Plasmids and Other Mobile Genetic Elements, Kanoni, Corfu, Greece, September 2004. Plasmid 53: 23-96.

Johnson, T.J., Skyberg, J. and Nolan, L.K. 2004. Multiple Antimicrobial Resistance Region of a Putative Virulence Plasmid from an Escherichia coli Isolate Incriminated in Avian Colibacillosis. Avian Dis. 48:351-360.

Nolan, L.K., Horne, S.M., Giddings, C.W., Foley, S.L., Johnson, T.J., Lynne, A.M., and Skyberg, J. 2003. Resistance to Serum Complement, iss, and Virulence of Avian Escherichia coli. Vet Res Commun. 2003 27:101-10.

Johnson, T.J., Giddings, C.W., Horne, S.M., Gibbs, P.S., Wooley, R.E., Skyberg, J., Olah, P., Kercher, R., Sherwood, J.S., Foley, S.F. and Nolan, L.K. 2001. Location of Increased Serum Survival Gene and Selected Virulence Traits on a Conjugative R Plasmid in an Avian Escherichia coli Isolate. Avian Dis. 46:342-352.