Henry Marr

Yang, T. S., LaDouceur, E. E. B., Baumgartner, W. A., Marr, H. S., Karounos, M., Robertson, J., … Birkenheuer, A. J. (2023). A practical protocol to prepare paraffin-embedded whole tick histology sections. TICKS AND TICK-BORNE DISEASES, 14(4). https://doi.org/10.1016/j.ttbdis.2023.102162

Yang, T. S., Reichard, M. V., Thomas, J. E., Miller, L. S., Marr, H. S., Karounos, M., … Birkenheuer, A. J. (2023). Cytauxzoon felis in salivary glands of Amblyomma americanum. TICKS AND TICK-BORNE DISEASES, 14(1). https://doi.org/10.1016/j.ttbdis.2022.102056

Yang, T. S., Reichard, M. V., Thomas, J. E., Marr, H. S., Karounos, M., Hyatt, J., … Birkenheuer, A. J. (2023). Transmission of Cytauxzoon felis by injection of Amblyomma americanum salivary glands. PARASITOLOGY INTERNATIONAL, 95. https://doi.org/10.1016/j.parint.2023.102753

Yang, T. S., Reichard, M. V., Marr, H. S., Cohn, L. A., Nafe, L., Whitehurst, N., & Birkenheuer, A. J. (2022). Direct injection of Amblyomma americanum ticks with Cytauxzoon felis. TICKS AND TICK-BORNE DISEASES, 13(1). https://doi.org/10.1016/j.ttbdis.2021.101847

Hartley, A. N., Marr, H. S., & Birkenheuer, A. J. (2020). Cytauxzoon felis cytochrome b gene mutation associated with atovaquone and azithromycin treatment. JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(6), 2432–2437. https://doi.org/10.1111/jvim.15935

Wilson, J. M., Breitschwerdt, E. B., Juhasz, N. B., Marr, H. S., Galvao, J. F. de B., Pratt, C. L., & Qurollo, B. A. (2020). Novel Rickettsia Species Infecting Dogs, United States. EMERGING INFECTIOUS DISEASES, 26(12), 3011–3015. https://doi.org/10.3201/eid2612.200272

Neupane, P., Sevala, S., Balakrishnan, N., Marr, H., Wilson, J., Maggi, R., … Breitschwerdt, E. B. (2020). Validation of Bartonella henselae Western Immunoblotting for Serodiagnosis of Bartonelloses in Dogs. JOURNAL OF CLINICAL MICROBIOLOGY, 58(4). https://doi.org/10.1128/JCM.01335-19

Naor, A. W., Lindemann, D. M., Schreeg, M. E., Marr, H. S., Birkenheuer, A. J., Carpenter, J. W., & Ryseff, J. K. (2019). Clinical, morphological, and molecular characterization of an undetermined Babesia species in a maned wolf (Chrysocyon brachyurus). TICKS AND TICK-BORNE DISEASES, 10(1), 124–126. https://doi.org/10.1016/j.ttbdis.2018.09.005

Birkenheuer, A. J., Marr, H. S., Wilson, J. M., Breitschwerdt, E. B., & Qurollo, B. A. (2018). Babesia gibsoni
 cytochrome b mutations in canine blood samples submitted to a US veterinary diagnostic laboratory. Journal of Veterinary Internal Medicine, 32(6), 1965–1969. https://doi.org/10.1111/jvim.15300

Neupane, P., Hegarty, B. C., Marr, H. S., Maggi, R. G., Birkenheuer, A. J., & Breitschwerdt, E. B. (2018). Evaluation of cell culture-grown Bartonella
 antigens in immunofluorescent antibody assays for the serological diagnosis of bartonellosis in dogs. Journal of Veterinary Internal Medicine, 32(6), 1958–1964. https://doi.org/10.1111/jvim.15301

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Sherrill, M. K., Outi, H. K., Scholl, E. H., … Birkenheuer, A. J. (2018). Identification of Cytauxzoon felis antigens via protein microarray and assessment of expression library immunization against cytauxzoonosis. CLINICAL PROTEOMICS, 15(1). https://doi.org/10.1186/s12014-018-9218-9

Mylonakis, M. E., Schreeg, M., Chatzis, M. K., Pearce, J., Marr, H. S., Saridomichelakis, M. N., & Birkenheuer, A. J. (2018). Molecular detection of vector-borne pathogens in Greek cats. TICKS AND TICK-BORNE DISEASES, 9(2), 171–175. https://doi.org/10.1016/j.ttbdis.2017.08.013

LeVine, D. N., Cianciolo, R. E., Linder, K. E., Bizikova, P., Birkenheuer, A. J., Brooks, M. B., … Key, N. S. (2017). Endothelial alterations in a canine model of immune thrombocytopenia. Platelets, 30(1), 88–97. https://doi.org/10.1080/09537104.2017.1378807

Qurollo, B. A., Archer, N. R., Schreeg, M. E., Marr, H. S., Birkenheuer, A. J., Haney, K. N., … Breitschwerdt, E. B. (2017). Improved molecular detection of Babesia infections in animals using a novel quantitative real-time PCR diagnostic assay targeting mitochondrial DNA. Parasites & Vectors, 10(1). https://doi.org/10.1186/s13071-017-2064-1

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Cohn, L. A., Bird, D. M., Scholl, E. H., … Birkenheuer, A. J. (2016). Mitochondrial Genome Sequences and Structures Aid in the Resolution of Piroplasmida phylogeny. PLOS ONE, 11(11). https://doi.org/10.1371/journal.pone.0165702

Schreeg, M. E., Marr, H. S., Griffith, E. H., Tarigo, J. L., Bird, D. M., Reichard, M. V., … Birkenheuer, A. J. (2016). PCR amplification of a multi-copy mitochondrial gene (cox3) improves detection of Cytauxzoon felis infection as compared to a ribosomal gene (18S). VETERINARY PARASITOLOGY, 225, 123–130. https://doi.org/10.1016/j.vetpar.2016.06.013

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Cohn, L. A., Levy, M. G., & Birkenheuer, A. J. (2015). Rapid High-Resolution Melt Analysis of Cytauxzoon felis Cytochrome b To Aid in the Prognosis of Cytauxzoonosis. JOURNAL OF CLINICAL MICROBIOLOGY, 53(8), 2517–2524. https://doi.org/10.1128/jcm.00635-15

Levy, M. G., Powers, L. V., Gore, K. C., & Marr, H. S. (2015). Spironucleus meleagridis, an enteric diplomonad protozoan of cockatiels (Nymphicus hollandicus): Preliminary molecular characterization and association with clinical disease. VETERINARY PARASITOLOGY, 208(3-4), 169–173. https://doi.org/10.1016/j.vetpar.2014.12.028

LeVine, D. N., Birkenheuer, A. J., Brooks, M. B., Nordone, S. K., Bellinger, D. A., Jones, S. L., … Key, N. S. (2014). A novel canine model of immune thrombocytopenia: has immune thrombocytopenia (ITP) gone to the dogs? British Journal of Haematology, 167(1), 110–120. https://doi.org/10.1111/bjh.13005

Lewis, K. M., Cohn, L. A., Marr, H. S., & Birkenheuer, A. J. (2014). Failure of efficacy and adverse events associated with dose-intense diminazene diaceturate treatment of chronic Cytauxzoon felis infection in five cats. JOURNAL OF FELINE MEDICINE AND SURGERY, 16(2), 157–163. https://doi.org/10.1177/1098612x13502974

Floras, A. N. K., Holowaychuk, M. K., Hodgins, D. C., Marr, H. S., Birkenheuer, A., Sharif, S., … Bienzle, D. (2014). Investigation of a Commercial ELISA for the Detection of Canine Procalcitonin. JOURNAL OF VETERINARY INTERNAL MEDICINE, 28(2), 599–602. https://doi.org/10.1111/jvim.12309

Schreeg, M. E., Marr, H. S., Tarigo, J., Cohn, L. A., Levy, M. G., & Birkenheuer, A. J. (2013). Pharmacogenomics of Cytauxzoon felis Cytochrome b: Implications for Atovaquone and Azithromycin Therapy in Domestic Cats with Cytauxzoonosis. JOURNAL OF CLINICAL MICROBIOLOGY, 51(9), 3066–3069. https://doi.org/10.1128/jcm.01407-13

Holowaychuk, M. K., Birkenheuer, A. J., Li, J., Marr, H., Boll, A., & Nordone, S. K. (2012). Hypocalcemia and Hypovitaminosis D in Dogs with Induced Endotoxemia. JOURNAL OF VETERINARY INTERNAL MEDICINE, 26(2), 244–251. https://doi.org/10.1111/j.1939-1676.2012.00886.x

Di Cicco, M. F., Downey, M. E., Beeler, E., Marr, H., Cyrog, P., Kidd, L., … Birkenheuer, A. J. (2012). Re-emergence of Babesia conradae and effective treatment of infected dogs with atovaquone and azithromycin. VETERINARY PARASITOLOGY, 187(1-2), 23–27. https://doi.org/10.1016/j.vetpar.2012.01.006

Li, J., Birkenheuer, A. J., Marr, H. S., Levy, M. G., Yoder, J. A., & Nordone, S. K. (2011). Expression and function of triggering receptor expressed on myeloid cells-1 (TREM-1) on canine neutrophils. Developmental & Comparative Immunology, 35(8), 872–880. https://doi.org/10.1016/j.dci.2011.03.021

Birkenheuer, A. J., Horney, B., Bailey, M., Scott, M. B., Sherbert, B., Catto, V., … Ballman, A. E. (2010). Babesia microti-like infections are prevalent in North American foxes. VETERINARY PARASITOLOGY, 172(3-4), 179–182. https://doi.org/10.1016/j.vetpar.2010.05.020

Chinnadurai, S. K., Birkenheuer, A. J., Blanton, H. L., Maggi, R. G., Belfiore, N., Marr, H. S., … Stoskopf, M. K. (2010). Prevalence of Selected Vector-borne Organisms and Identification of Bartonella Species DNA in North American River Otters (Lontra canadensis). Journal of Wildlife Diseases, 46(3), 947–950. https://doi.org/10.7589/0090-3558-46.3.947

Duncan, A. W., Marr, H. S., Birkenheuer, A. J., Maggi, R. G., Williams, L. E., Correa, M. T., & Breitschwerdt, E. B. (2008). Bartonella DNA in the Blood and Lymph Nodes of Golden Retrievers with Lymphoma and in Healthy Controls. Journal of Veterinary Internal Medicine, 22(1), 89–95. https://doi.org/10.1111/j.1939-1676.2007.0018.x

Birkenheuer, A. J., Marr, H. S., Warren, C., Acton, A. E., Mucker, E. M., Humphreys, J. G., & Tucker, M. D. (2008). Cytauxzoon felis infections are present in bobcats (Lynx rufus) in a region where cytauxzoonosis is not recognized in domestic cats. VETERINARY PARASITOLOGY, 153(1-2), 126–130. https://doi.org/10.1016/j.vetpar.2008.01.020

Stauffer, S. H., Birkenheuer, A. J., Levy, M. G., Marr, H., & Gookin, J. L. (2008). Evaluation of four DNA extraction methods for the detection of Tritrichomonas foetus in feline stool specimens by polymerase chain reaction. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 20(5), 639–641. https://doi.org/10.1177/104063870802000518

Hawkins, E. C., Johnson, L. R., Guptill, L., Marr, H. S., Breitschwerdt, E. B., & Birkenheuer, A. J. (2008). Failure to identify an association between serologic or molecular evidence ofBartonellainfection and idiopathic rhinitis in dogs. Journal of the American Veterinary Medical Association, 233(4), 597–599. https://doi.org/10.2460/javma.233.4.597

Birkenheuer, A. J., Marr, H. S., Hladio, N., & Acton, A. E. (2008). Molecular evidence of prevalent dual piroplasma infections in North American raccoons (Procyon lotor). PARASITOLOGY, 135(1), 33–37. https://doi.org/10.1017/S0031182007003538

Valentine, K. H., Harms, C. A., Cadenas, M. B., Birkenheuer, A. J., Marr, H. S., Braun-McNeill, J., … Breitschwerdt, E. B. (2007). Bartonella DNA in Loggerhead Sea Turtles. Emerging Infectious Diseases, 13(6), 949–950. https://doi.org/10.3201/eid1306.061551

Hawkins, E. C., Birkenheuer, A. J., Marr, H. S., Rogala, A. R., Large, E. E., & Adler, K. B. (2007). Quantification of mucin gene expression in tracheobronchial epithelium of healthy dogs and dogs with chronic bronchitis. AMERICAN JOURNAL OF VETERINARY RESEARCH, 68(4), 435–440. https://doi.org/10.2460/ajvr.68.4.435

Haber, M. D., Tucker, M. D., Marr, H. S., Levy, J. K., Burgess, J., Lappin, M. R., & Birkenheuer, A. J. (2007). The detection of Cytauxzoon felis in apparently healthy free-roaming cats in the USA. VETERINARY PARASITOLOGY, 146(3-4), 316–320. https://doi.org/10.1016/j.vetpar.2007.02.029

Birkenheuer, A. J., Harms, C. A., Neel, J., Marr, H. S., Tucker, M. D., Acton, A. E., … Stoskopf, M. K. (2007). The identification of a genetically unique piroplasma in North American river otters (Lontra canadensis). PARASITOLOGY, 134(5), 631–635. https://doi.org/10.1017/S0031182006002095

Birkenheuer, A. J., Marr, H., Alleman, A. R., Levy, M. G., & Breitschwerdt, E. B. (2006). Development and evaluation of a PCR assay for the detection of Cytauxzoon felis DNA in feline blood samples. VETERINARY PARASITOLOGY, 137(1-2), 144–149. https://doi.org/10.1016/j.vetpar.2005.12.007