Lab Publications

Appl. Environ. Microbiol., Genome Announc, Front Microbiol, J. Bacteriol., MBio, PLoS ONE, Appl. Microbiol. Biotechnol., Microsurgery, J. Appl. Microbiol., Int. J. Syst. Evol. Microbiol., J. Clin. Endocrinol. Metab., J. Microbiol. Methods, Plast. Reconstr. Surg., Prog. Mol. Subcell. Biol., Annu. Rev. Microbiol., DNA Cell Biol., Antioxid. Redox Signal., Trends Microbiol., Gut Microbes, Aging (Albany NY), Environ. Microbiol., Nurs Res, Can. J. Microbiol., Proc. Natl. Acad. Sci. U.S.A., Biol. Bull., Adv Neonatal Care, J Water Health, Med Chir Trans, Microbiology (Reading, Engl.), Nat. Rev. Microbiol., Bioresour. Technol.,




  • Ott BM, Beka L, Graf J, Rio RV. 2015. Draft Genome Sequence of Pedobacter sp. Strain Hv1, an Isolate from Medicinal Leech Mucosal Castings. Genome Announc 3(6): (PMC4683228)
  • Cong X, Henderson WA, Graf J, McGrath JM. 2015. Early Life Experience and Gut Microbiome: The Brain-Gut-Microbiota Signaling System. Adv Neonatal Care 15(5):314-23; quiz E1-2 (PMC4583334)
  • Li YF, Abraham C, Nelson MC, Chen PH, Graf J, Yu Z. 2015. Effect of organic loading on the microbiota in a temperature-phased anaerobic digestion (TPAD) system co-digesting dairy manure and waste whey. Appl. Microbiol. Biotechnol. 99(20):8777-92
  • Nelson MC, Bomar L, Graf J. 2015. Complete Genome Sequence of the Novel Leech Symbiont Mucinivorans hirudinis M3T. Genome Announc 3(1): (PMC4319616)
  • Nelson MC, Bomar L, Maltz M, Graf J. 2015. Mucinivorans hirudinis gen. nov., sp. nov., an anaerobic, mucin-degrading bacterium isolated from the digestive tract of the medicinal leech Hirudo verbana. Int. J. Syst. Evol. Microbiol. 65(Pt 3):990-5 (PMC4811647)
  • Li YF, Nelson MC, Chen PH, Graf J, Li Y, Yu Z. 2015. Comparison of the microbial communities in solid-state anaerobic digestion (SS-AD) reactors operated at mesophilic and thermophilic temperatures. Appl. Microbiol. Biotechnol. 99(2):969-80
  • Nelson MC, LaPatra SE, Welch TJ, Graf J. 2015. Complete Genome Sequence of Yersinia ruckeri Strain CSF007-82, Etiologic Agent of Red Mouth Disease in Salmonid Fish. Genome Announc 3(1): (PMC4319512)




  • Nyholm SV, Graf J. 2012. Knowing your friends: invertebrate innate immunity fosters beneficial bacterial symbioses. Nat. Rev. Microbiol. 10(12):815-27 (PMC3870473)
  • Nelson MC, Graf J. 2012. Bacterial symbioses of the medicinal leech Hirudo verbana. Gut Microbes 3(4):322-31 (PMC3463490)
  • Bomar L, Graf J. 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(1):155-66 (PMC3732745)




  • Laufer AS, Siddall ME, Graf J. 2008. Characterization of the digestive-tract microbiota of Hirudo orientalis, a european medicinal leech. Appl. Environ. Microbiol. 74(19):6151-4 (PMC2565982)
  • Yu R, Graf J, Smets BF. 2008. An improved cell recovery method for iron oxidizing bacterial (IOB) enrichments. J. Microbiol. Methods 72(3):235-40


  • Silver AC, Rabinowitz NM, Küffer S, Graf J. 2007. Identification of Aeromonas veronii genes required for colonization of the medicinal leech, Hirudo verbana. J. Bacteriol. 189(19):6763-72 (PMC2045196)
  • Rio RV, Anderegg M, Graf J. 2007. Characterization of a catalase gene from Aeromonas veronii, the digestive-tract symbiont of the medicinal leech. Microbiology (Reading, Engl.) 153(Pt 6):1897-906
  • Silver AC, Kikuchi Y, Fadl AA, Sha J, Chopra AK, Graf J. 2007. Interaction between innate immune cells and a bacterial type III secretion system in mutualistic and pathogenic associations. Proc. Natl. Acad. Sci. U.S.A. 104(22):9481-6 (PMC1890520)
  • Kikuchi Y, Graf J. 2007. Spatial and temporal population dynamics of a naturally occurring two-species microbial community inside the digestive tract of the medicinal leech. Appl. Environ. Microbiol. 73(6):1984-91 (PMC1828818)
  • Siddall ME, Worthen PL, Johnson M, Graf J. 2007. Novel role for Aeromonas jandaei as a digestive tract symbiont of the North American medicinal leech. Appl. Environ. Microbiol. 73(2):655-8 (PMC1796983)