Reviews:

Nyholm, S and J. Graf, 2012. Knowing Your Friends: How invertebrate Innate Immunity Fosters Beneficial Symbiosis. Nat, Rev. Microbiol. 10:815-827.

Nelson, M.C. and J.Graf. 2012. Bacterial symbioses of the medicinal leech Hirudo verbana Gut Microbes 4(3):dx.doi.org/10.4161/gmic.20227.

Graf, J. 2009. Die Bakterienflora des medizinischen Blutegels Hirudo medicinalis, In: Michalsen A, Roth M (Eds.): Blutegeltherapie, Stuttgart: Haug. 111-118. (2nd Edition in German).

Graf, J. 2006. Molecular requirements for the colonization of Hirudo medicinalis by Aeromonas veronii. In: Overmann, J. (Ed) Molecular mechanisms of symbiosis. Series: Progress in Molecular and Subcellular Biology. Springer-Verlag, Berlin. 291-303.

Graf, J., Y. Kikuchi and R.M. V. Rio, 2006. Leeches and their Microbiota: Naturally Simple Symbiosis Models. Trends in Microbiol. 14:365-371.

Graf, J. 2000. Symbiosis of Aeromonas and Hirudo medicinalis, the medicinal leech. ASM News 66: 147-153.

Research Articles:

Bomar, L. and J. Graf. 2012. Investigation into the physiologies of Aeromonas veronii in vitro and inside the digestive tract of the medicinal leech using RNA-seq. Biol. Bull. 223:155-66.

Bomar, L., M. Maltz, S. Colston and J. Graf. 2011. Directed culturing of microorganisms using metatranscriptomics. mBio 2(2):e00012-11. doi:10.1128/mBio.00012-11.

Silver, A.C., D. Williams, J. Faucher, A.J. Horneman, J.P. Gogarten, and J. Graf. 2011. Complex evolutionary history of the Aeromonas veronii group revealed by host interaction and DNA sequence data. PLOS One. PLOS One. 6: e16751.

Maltz, M. and J. Graf. 2011. The Type II Secretion System is Essential for Erythrocyte Lysis and Gut Colonization of the Leech Digestive-Tract Symbiont Aeromonas veronii. Appl. Environ. Microbiol. 77:597-603.

Silver, A.C. and J. Graf. 2011. Innate and procured immunity inside the digestive tract of the medicinal leech. Inv. Survival Journal. 8:173-178.

Whitaker, I.S., I.C. Josty, S. Hawkins, E. Azzopardi, N. Naghmeh, J. Graf, L Damaris, W.C. Lineawaver and M. Kon. 2011. Medicinal leeches and the microsurgeon: a four-year study, clinical series and risk benefit review. Microsurgery J. 31:281-287.

Rio, R.V.M., M. Maltz, B. McCormick, A. Reiss and J. Graf. 2009. Symbiont Succession during the Embryonic Development of the European Medicinal Leech, Hirudo verbana. Appl. Environ. Microbiol. 75:6890-6895.

Kikuchi, Y. L. Bomar and J. Graf. 2009. Stratified bacterial community in the bladder of the medicinal leech, Hirudo verbana. Environ. Microbiol. 11:2758-2770. Cover article.

Silver, A.C. and J. Graf. 2009. Prevalence of genes encoding type three secretion system and the effectors AexT and AexU in the Aeromonas veronii group. DNA Cell Biol. 28:383-388.

Whitaker, I. S., C. Kamya, E. A. Azzopardi, J. Graf, M. Kon, W. C. Lineaweaver. 2009. Preventing infective complications following leech therapy: is practice keeping pace with current research? Microsurgery 29:619-625.

Laufer, A., M. Siddall and J. Graf. 2008. Characterization of the Digestive-Tract Microbiota of Hirudo orientalis, a European Medicinal Leech. Appl. Environ. Microbiol. 74:6151-6154.

Yu, R., J. Graf, and B. F. Smets. 2008. An improved cell recovery method for iron oxidizing bacteria (IOB) enrichments. J. Microbiol. Methods. 72: 235-240.

Silver, A.C., Y. Kikuchi, A. A. Fadl, J. Sha, A. Chopra and J. Graf. 2007. Interaction between innate immune cells and a bacterial type-three secretion system in mutualistic and pathogenic associations. Proc. Natl. Acad. Sci. USA. 104:9481-9486.

Silver, A.C., N. Rabinowitz, S. Küffer and J. Graf. 2007. Identification of Aeromonas veronii genes required for colonization of the medicinal leech, Hirudo verbana. J. Bacteriol. 189:6763-6722 (cover article).

Kikuchi, Y. and J. Graf. 2007. Spatial and temporal population dynamics of a naturally occurring two-species microbial community inside the medicinal leech. Appl. Environ. Microbiol. 73:1984-1991. (cover article).

Rio, R.V.M., M. Anderegg and J. Graf. 2007. Characterization of a catalase gene from Aeromonas veronii, the digestive-tract symbiont of the medicinal leech. Microbiology. 153:1897-1906.

Siddall, M.E., P.L. Worthen, M. Johnson and J. Graf. 2007. Symbiosis of Aeromonas jandaei in the gut of North American medicinal leeches. Appl. Environ. Microbiol. 73:655-658.

Sha, J., S. F. Wang, G. Suarez, J. C. Sierra, A. A. Fadl, T. E. Erova, S. M. Foltz, B. K. Khajanchi, A. C. Silver, J. Graf, C. H. Schein, and A. K. Chopra. 2007. Further characterization of a type III secretion system (T3SS) and of a new effector protein from a clinical isolate of Aeromonas hydrophila-part I. Microb. Pathogenesis. 46:127-146.

Worthen, P. L., C. J. Gode and J. Graf. 2006. Culture-independent characterization of the digestive-tract microbiota of the medicinal leech, a tripartide symbiosis. Appl. Environ. Microbiol. 72:4775-4781.

Seshadri, R. S., S.W. Joseph, A.K. Chopra, J. Shaw, J. Graf. D. Haft, M. Wu, R. Madupu, M.J. Rosovitz, Q. Ren, L. Talon, M. Kim, S. Jin, H. Vuong, O.C. Stine, A. Ali, A.J. Horneman and J.F. Heidelberg. 2006.. Genome sequence of Aeromonas hydrophila ATCC 7966T: the makings of a pathogen. J. Bacteriol. 188:8272-8282.

Morandi, A., O. Zhaxybayeva, P. Gogarten and J. Graf. 2005. Evolutionary and Diagnostic Implications of Intragenomic Heterogeneity in the 16S rRNA Gene in Aeromonas Strains. J. Bacteriol. 187: 6561-6564.

Braschler, T., S. Merino, J. Tomas, and J. Graf. 2003. Complement resistance is essential for the colonization of the digestive tract of Hirudo medicinalis by Aeromonas strains. Appl. Environ. Microbiol. 69:4268-4271.

Graf, J. 2002. The effect of the symbionts on the physiology of Hirudo medicinalis, the medicinal leech. Invert. Reproduct. Develop. 41:269-275.

Iten, A., S. Graf, M. Egger, M. Täuber and J. Graf. 2001. Helicobacter sp. flexispira bacteremia in an immunocompetent young adult. J. Clin. Microbiol. 39:1716-1720.

Indergand, S. and J. Graf. 2000. Ingested blood contributes to the specificity of the symbiosis of Aeromonas veronii bv sobria and Hirudo medicinalis, the medicinal leech. Appl. Environ. Microbiol. 66:4735-41.

Graf, J. and E. G. Ruby. 2000. Novel glnD phenotypes in Vibrio fischeri, nitrogen metabolism, iron uptake and symbiosis are effected. Mol. Microbiol. 37:168-179. (cover article).

Graf, J. 1999. Diverse RFLP patterns of the PCR amplified 16S rRNA genes in Aeromonas veronii strains and possible misidentification using RFLP-PCR. J. Clin. Microbiol. 37:3194-3197.

Graf, J. 1999. The symbiosis of Aeromonas veronii biovar sobria and Hirudo medicinalis: a novel animal model. Infect. Immun. 67:1-7.

McLeod, E. S. M., Z. Dawood, R. MacDonald, M. Oosthuyzen, J. Graf, P. L. Steyn, and V. S. Brözel. 1998. Isolation and identification of sulphite- and iron reducing, hydrogenase positive facultative anaerobes from cooling water system. System. Appl. Microbiol. 21:297-305.

Graf, J. and E. G. Ruby. 1998. Host-derived amino acids support the proliferation of symbiotic bacteria. Proc. Natl. Acad. Sci. USA. 95:1818-1822.

Graf, J., P. V. Dunlap and E. G. Ruby. 1994. Effect of transposon-induced motility mutations on colonization of the host light organ by Vibrio fischeri. J. Bacteriol. 176:6986-6991.

Invited, Not Peer Reviewed:

Graf, J. Rikenellaceae. In E. Rosenberg (ed) The Prokaryotes. In press.

Graf, J. 2011. Commentary: Shifting paradigms on Bacillus thuringiensis toxin and a natural model for Enterococcus faecalis septicemia. mBio 2(4): e00161-11.

Chopra, A. K., J. Graf, A. J. Horneman and J. A. Johnson. 2009. Virulence factor-activity relationships (VFAR) with specific emphasis on Aeromonas species (spp.). J. Water Health 7 S1:S29-54.

Hill,
J., L. Strausbaugh and J. Graf. 2008. Soil DNA typing in forensic science, in
 H. Miller-Coyle (Ed) Non-human DNA typing. pp 167-183.

Graf, J. 2006. Molecular requirements for the colonization of Hirudo medicinalis by Aeromonas veronii. In: Overmann, J. (Ed) Molecular mechanisms of symbiosis. Series: Progress in Molecular and Subcellular Biology. Springer-Verlag, Berlin. 291-303.

Graf, J. 2006. Die Bakterienflora des medizinischen Blutegels Hirudo medicinalis. In: Michalsen A, Roth M (Eds.): Blutegeltherapie. Stuttgart: Haug. 111-118. (in German, English translation published in 2007 and Russian in 2008).

Graf, J. 2000. Symbiosis of Aeromonas and Hirudo medicinalis, the medicinal leech. ASM News 66:147-153.