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Ricardo G. Maggi, MS, PhD

Ricardo Maggi photo

Research Associate Professor
Phone: 919.513.8273
Fax: 919.513.6464



Molecular Microbiology

Professional Experience & Qualifications

Research Area

Molecular microbiology of vector borne diseases and intracellular pathogens in animals and humans.
Development of molecular assays for the detection, diagnosis, and characterization of emerging and re-emerging zoonotic pathogens.

Selected Publications

Maggi RG, Birkenheuer AJ, Hegarty BC, Bradley JM, Levy MG, Breitschwerdt EB. 2014. Comparison between serological and molecular panels for the diagnosis of vector-borne infectious diseases in dogs. Parasites and Vectors 7:127.

Maggi RG, Chitwood MC, Kennedy-Stoskopf S, DePerno CS. 2013. Novel Hemotropic Mycoplasma species in White-tailed Deer (Odocoileus virginianus). Comparative Immunology, Microbiology & Infectious Diseases. 36:607-611.

Maggi RG, Compton SM, Trull CL, Mascarelli PE, Mozayeni BR, Breitschwerdt EB. 2013. Infection with hemotropic Mycoplasma sp. in people with and without extensive arthropod and animal contact. J. Clin. Microbiol. 51:3237-3241.

Maggi RG, Mascarelli PE, Havenga LN, Naidoo V, Breitschwerdt EB. 2013. Co-infection with Anaplasma platys, Bartonella henselae and Candidatus Mycoplasma haematoparvum in a veterinarian. Parasites and Vectors. 6:98.

Maggi RG, Ericson M, Mascarelli PE, Bradley JM, Breitschwerdt EB. 2013. Bartonella henselae bacteremia in a mother and son potentially associated with tick exposure. Parasites and Vectors. 6:101.

Maggi RG, Mozayeni BR, Pultorak EL, Hegarty BC, Bradley JM, Correa, Breitschwerdt EB. 2012. Bartonella henselae, Bartonella koehlerae and Bartonella vinsonii subsp. berkhoffii bacteremia in rheumatic patients from a Lyme disease endemic region. EID, 18: 783-791.

Maggi RG, Mozayeni R, Pultorak EL, Hegarty BC, Bradley JM, Correa M, Breitschwerdt EB. 2011. Bartonella spp bacteremia in high-risk patients. Diagn Microbiol Infect Dis. 71: 430-437.

Maggi RG, Reichelt S, Toliver M, Engber B. 2010. Borrelia species in Ixodes affinis and Ixodes scapularis ticks collected from the Costal Plain of North Carolina. Ticks and Tick Borne Diseases.1: 168-171.

Chomel BB, Kasten RW, Williams C, Wey AC, Henn JB, Maggi R, Carrasco S, Mazet J, Boulouis HJ, Maillard R, Breitschwerdt EB. 2009. Bartonella Endocarditis: A Pathology Shared by Animal Reservoirs and Patients. Ann. N.Y. Acad. Sci. 1166: 120–126.

Maggi RG, Kosoy M, Mintzer M, Breitschwerdt EB. 2009. Isolation of Candidatus Bartonella melophagi from Human Blood. Emerging Inf. Dis. 15:66-68.

Maggi RG, Raverty SA, Lester SJ, Huff DG, Haulena M, Ford SL, Nielsen O, Robinson JH, Breitschwerdt EB. 2008. Bartonella henselae in captive and hunter harvested beluga (Delphinapterus leucas). J wild dis. 44: 871-877.

Maggi RG, Bosen A, Brown J, Chomel B, Hegarty BC, Breitschwerdt EB. 2006. A Bartonella vinsonii berkhoffii typing scheme based upon 16S-23S ITS and Pap31 sequences from dog, coyote, gray fox, and human isolates. Mol. Cell. Probe; 20: 128-134.

Maggi RG, Harms CA, Hohn AA, Pabst DA, McLellan WA, Walton WJ, Rotstein DS, Breitschwerdt EB. 2005. Bartonella henselae in porpoise blood. Emerging Inf. Dis. 11:1894-1898.

Maggi RG, Breitschwerdt EB. 2005 Isolation of bacteriophages from Bartonella vinsonii subsp. berkhoffii and the characterization of Pap31 gene sequences from bacterial and phage DNA. J. Mol. Microbiol. Biotechnol. 9:44-51.

Maggi RG, Breitschwerdt EB. 2005. Potential limitations of the 16S-23S rRNA intergenic region for molecular detection of Bartonella species. J. Clin. Microbiol. 43:1171-1176.

Maggi RG, Duncan AB, Breitschwerdt EB. 2005. Novel chemically defined liquid medium for the growth, as single or composed culture, and the primary isolation of Bartonella species from blood and body fluids. J. Clin.Microbiol. 43:2651-2655.