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Ricardo G. Maggi, MS, PhD

Research Associate Professor, Internal Medicine

Contact:

rgmaggi@ncsu.edu
Office: 919.513.8273
Lab: Intracellular Pathogens Research
Lab Phone: 919.513.8281

Co-Director Vector-Borne Diseases Diagnostic Laboratory
Molecular microbiologist with more than 10 years of experience in the characterization of intracellular and vector-borne pathogens
Golden Key National Honor Society Award for Outstanding Scholastic Achievement and Excellence- Honor Member 1998
Published more than 87 peer-reviewed manuscripts including scientific and clinical-case reports
Certifications
Ph.D., University of Puerto Rico – Mayaguez, PR, 2000
MS, University of Puerto Rico – Mayaguez, PR, 1993
Licentiate in Chemistry – Universidad Nacional de Cordoba –Cordoba, Argentina, 1988
  • (2014) Comparison of serological and molecular panels for the diagnosis of vector-borne diseases in dogs.Maggi RG, Birkenheuer AJ, Hegarty BC, Bradley JM, Levy MG, Breitschwerdt EB. | Parasit Vectors 2014 Mar 26;7:127.
  • (2013) Novel Hemotropic Mycoplasma species in White-tailed Deer (Odocoileus virginianus).Maggi RG, Chitwood MC, Kennedy-Stoskopf S, DePerno CS. | Comp Immunol Microbiol Infect Dis 2013 Dec;36(6):607-11. Epub 2013 Aug 22.
  • (2013) Infection with hemotropic mycoplasma species in patients with and without extensive arthropod and animal contact.Maggi RG, Compton SM, Trull CL, Mascarelli PE, Mozayeni BR, Breitschwerdt EB. | J Clin Microbiol 2013 Oct; 51(10):3237-3241.
  • (2013) Co-infection with Anaplasma platys, Bartonella henselae and Candidatus Mycoplasma haematoparvum in a veterinarian.Maggi RG, Mascarelli PE, Havenga LN, Naidoo V, Breitschwerdt EB. | Parasit Vectors 2013 Apr 15;6:103.
  • (2013) Bartonella henselae bacteremia in a mother and son potentially associated with tick exposure.Maggi RG, Ericson M, Mascarelli PE, Bradley JM, Breitschwerdt EB. | Parasit Vectors 2013 Apr 15;6:101.
  • (2012) Bartonella spp. bacteremia and rheumatic symptoms in patients from a Lyme disease-endemic region.Maggi RG, Mozayeni BR, Pultorak EL, Hegarty BC, Bradley JM, Correa, Breitschwerdt EB. | Emerg Infect Dis 2012 May;18(5):783-91.
  • (2011) Bartonella spp. bacteremia in high-risk immunocompetent patients.Maggi RG, Mascarelli PE, Pultorak EL, Hegarty BC, Bradley JM,, Mozayeni BR, Breitschwerdt EB. | Diagn Microbiol Infect Dis 2011 Dec; 71(4): 430-437. Epub 2011 Oct 13.
  • (2011) Rickettsia rickettsii transmission by a lone star tick, North Carolina.Breitschwerdt EB, Hegarty BC, Maggi RG, Lantos PM, Aslett DM, Bradley JM. | Emerg Infect Dis 2011 May;17(5):873-5.
  • (2010) Borrelia species in Ixodes affinis and Ixodes scapularis ticks collected from the coastal plain of North Carolina.Maggi RG, Reichelt S, Toliver M, Engber B. | Ticks Tick Borne Dis 2010 Dec; 1(4): 168-171. Epub 2010 Oct 20.
  • (2010) Molecular evidence of perinatal transmission of Bartonella vinsonii subsp. berkhoffii and Bartonella henselae to a child.Breitschwerdt EB, Maggi EG, Farmer P, Mascarelli PE. | J Clin Microbiol 2010 Jun;48(6):2289-93. Epub 2010 Apr 14.
  • (2010) Suspected needle stick transmission of Bartonella vinsonii subspecies berkhoffii to a veterinarian.Oliveira AM, Maggi RG, Woods CW, Breitschwerdt EB. | J Vet Intern Med 2010 Sep-Oct;24(5):1229-32. Epub 2010 Jul 28.
  • (2010) Comparative activity of pradofloxacin, enrofloxacin and azithromycin against Bartonella henselae isolates collected from cats and a human.Biswas S, Maggi RG, Papich MG, Keil D, Breitschwerdt EB. | J Clin Microbiol 2010 Feb;48(2):617-8. Epub 2009 Dec 9.
  • (2010) Molecular mechansims of Bartonella henselae resistance to azithromycin, pradofloxacin and enrofloxacin.Biswas S, Maggi RG, Papich MG, Breitschwerdt EB. | J Antimicrob Chemother 2010 Mar;65(3):581-2. Epub 2009 Dec 18.
  • (2010) Bartonella vinsonii subsp. berkhoffii and Bartonella henselae bacteremia in a father and daughter with neurological disease.Breitschwerdt EB, Maggi RG, Lantos PM, Woods CW, Hegarty BC, Bradley JM. | Parasit Vectors 2010 Apr 8;3(1):29.
  • (2010) PCR amplification of Bartonella koehlerae from human blood and enrichment blood cultures.Breitschwerdt EB, Maggi RG, Mozayeni BR, Hegarty BC, Bradley JM, Mascarelli PE. | Parasit Vectors 2010 Aug 24;3:76.
  • (2009) Bartonella endocarditis: a pathology shared by animal reservoirs and patients.Chomel BB, Kasten RW, Williams C, Wey AC, Henn JB, Maggi R, Carrasco S, Mazet J, Boulouis HJ, Maillard R, Breitschwerdt EB. | Ann NY Acad Sci 2009 May; 1166:120–126.
  • (2009) Isolation of Candidatus Bartonella melophagi from human blood.Maggi RG, Kosoy M, Mintzer M, Breitschwerdt EB. | Emerging Inf. Dis. 2009 Jan; 15(1):66-68.
  • (2009) Isolation of Bartonella vinsonii subsp. berkhoffii genotype II from a boy with epithelioid hemangioendothelioma and a dog with hemangiopericytoma.Breitschwerdt EB, Maggi RG, Varanat M, Linder KE, Weinberg G. | J Clin Microbiol 2009 Jun;47(6):1957-60. Epub 2009 Apr 15.
  • (2009) A groundhog, a novel Bartonella sequence, and my father’s death.Breitschwerdt EB, Maggi RG, Cadenas MB, de Paiva Diniz PP. | Emerg Infect Dis 2009 Dec;15(12):2080-6.
  • (2009) A confusing case of canine vector-borne disease: clinical signs and progression in a dog co-infected with Ehrlichia canis and Bartonella vinsonii subsp. berkhoffii.Breitschwerdt EB, Maggi RG. | Parasit Vectors 2009 Mar 26;2 Suppl 1:S3.
  • (2009) Use of broad range 16S rDNA PCR in clinical microbiology.Sontakke S, Cadenas MB, Maggi RG, Diniz PP, Breitschwerdt EB. | J Microbiol Methods 2009 Mar;76(3):217-25. Epub 2008 Nov 21.
  • (2009) Comparative medical features of canine and human bartonellosis.Breitschwerdt EB, Maggi RG. | Clin Microbiol Infect 2009 Dec;15 Suppl 2:106-7. Epub 2009 Apr 30.
  • (2008) Bartonella henselae in captive and hunter harvested beluga (Delphinapterus leucas).Maggi RG, Raverty SA, Lester SJ, Huff DG, Haulena M, Ford SL, Nielsen O, Robinson JH, Breitschwerdt EB. | J Wildl Dis 2008 Oct; 44(4): 871-877.
  • (2008) Bartonella sp. bacteremia in patients with neurological and neurocognitive dysfunction.Breitschwerdt EB, Maggi RG, Nicholson WL, Cherry NA, Woods CW. | J Clin Microbiol 2008 Sep;46(9):2856-61. Epub 2008 Jul 16.
  • (2008) Detection of Bartonella henselae in the blood of two adult horses.Jones SL, Maggi RG, Shuler J, Alward A, Breitschwerdt EB. | J Vet Intern Med 22:495-498; 2008.
  • (2008) Bartonella species detection in captive, stranded and free-ranging cetaceans.Harms CA, Maggi RG, Breitschwerdt EB, Clemons-Chevis CL, Solangi M, Rotstein DS, Fair PA, Hansen LJ, Hohn AA, Lovewell GN, McLellan WA, Pabst DA, Rowles TK, Schwacke LH, Townsend FI, Wells RS. | Vet Res 39:59:00
  • (2007) Use of an insect cell culture growth medium to isolate bacteria from horses with effusive, fibrinous pericarditis: a preliminary study. Jones SL, Valenzisi A, Sontakke S, Sprayberry KA, Maggi R, Hegarty B, Breitschwerdt EB.  | Vet Microbiol 121:177-181.
  • (2006) A Bartonella vinsonii berkhoffii typing scheme based upon 16S-23S ITS and Pap31 sequences from dog, coyote, gray fox, and human isolates.Maggi RG, Chomel B, Hegarty BC, Jenn J, Breitschwerdt EB. | Mol Cell Probes 2006 Apr; 20(2): 128-134. Epub 2006 Feb 7.
  • (2005) Bartonella henselae in porpoise blood.Maggi RG, Harms CA, Hohn AA, Pabst DA, McLellan WA, Walton WJ, Rotstein DS, Breitschwerdt EB. | Emerg Infect Dis 2005 Dec; 11(12):1894-1898.
  • (2005) Isolation of bacteriophages from Bartonella vinsonii subsp. berkhoffii and the characterization of Pap31 gene sequences from bacterial and phage DNA.Maggi RG, Breitschwerdt EB. | J Mol Microbiol Biotechnol 2005; 9(1):44-51.
  • (2005) Potential limitations of the 16S-23S rRNA intergenic region for molecular detection of Bartonella species.Maggi RG, Breitschwerdt EB. | J Clin Microbiol 2005 Mar; 43(3):1171-1176.
  • (2005) Novel chemically modified liquid medium that will support the growth of seven bartonella species.Maggi RG, Duncan AB, Breitschwerdt EB. | J Clin Microbiol 2005 Jun;43(6):2651-5.