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• Immunization with Ehrlichia P28 outer membrane proteins confers protection in a mouse model of ehrlichiosis

  Crocquet-Valdes, P. A., Thirumalapura, N. R., Ismail, N., Yu, X., Saito, T. B., Stevenson, H. L., Pietzsch, C. A., Thomas, S. & Walker, D. H., Dec 2011, In: Clinical and Vaccine Immunology. 18, 12, p. 2018-2025 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichia
  • Immunization
  • Ehrlichiosis
  • T-cells
  • Membrane Proteins
  17 Scopus citations

• Human rickettsiosis caused by rickettsia parkeri strain Atlantic rainforest, Urabá, Colombia

  Arboleda, M., Acevedo-Gutiérrez, L. Y., Ávila, A., Ospina, D., Díaz, F. J., Walker, D. H. & Rodas, J. D., Dec 2020, In: Emerging infectious diseases. 26, 12, p. 3048-3050 3 p.

  Research output: Contribution to journal › Article › peer-review

  • Rainforest
  • Rickettsia
  • Colombia
  • vpr Genes
  • Gene Amplification

• Human monocytic ehrlichiosis, Mexico City, Mexico

  Alcántara-Rodríguez, V. E., Sánchez-Montes, S., Contreras, H., Colunga-Salas, P., Fierro-Flores, L., Avalos, S., Rodríguez-Rangel, F., Becker, I. & Walker, D. H., Dec 2020, In: Emerging infectious diseases. 26, 12, p. 3016-3019 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichiosis
  • Mexico
  • Ehrlichia canis
  • Ehrlichia
  • Infection

• Genotypic characterization of Orientia tsutsugamushi from patients in two geographical locations in Sri Lanka

  Premaratna, R., Blanton, L. S., Samaraweera, D. N., de Silva, G. N. N., Chandrasena, N. T. G. A., Walker, D. H. & de Silva, H. J., Jan 13 2017, In: BMC Infectious Diseases. 17, 1, 67.

  Research output: Contribution to journal › Article › peer-review

  • Orientia tsutsugamushi
  • Sri Lanka
  • Genotype
  • Real-Time Polymerase Chain Reaction
  • Fever
  9 Scopus citations

• Flea-Borne Rickettsioses and Rickettsiae

  Blanton, L. S. & Walker, D. H., Jan 2017, In: American Journal of Tropical Medicine and Hygiene. 96, 1, p. 53-56 4 p.

  Research output: Contribution to journal › Review article › peer-review

  • Siphonaptera
  • Rickettsia felis
  • Rickettsia typhi
  • Ecology
  • Uncertainty
  33 Scopus citations

• Fibroblast growth factor receptor-1 mediates internalization of pathogenic spotted fever rickettsiae into host endothelium

  Sahni, A., Patel, J., Narra, H. P., Schroeder, C. L. C., Walker, D. H. & Sahni, S. K., Aug 2017, In: PloS one. 12, 8, e0183181.

  Research output: Contribution to journal › Article › peer-review

  • fibroblast growth factor receptor 1
  • Spotted Fever Group Rickettsiosis
  • Endothelial cells
  • Receptor, Fibroblast Growth Factor, Type 1
  • fibroblast growth factor receptors
  10 Scopus citations

• Fever with thrombocytopenia associated with a novel bunyavirus in China

  Yu, X. J., Liang, M. F., Zhang, S. Y., Liu, Y., Li, J. D., Sun, Y. L., Zhang, L., Zhang, Q. F., Popov, V. L., Li, C., Qu, J., Li, Q., Zhang, Y. P., Hai, R., Wu, W., Wang, Q., Zhan, F. X., Wang, X. J., Kan, B., Wang, S. W. & 26 others, Wan, K. L., Jing, H. Q., Lu, J. X., Yin, W. W., Zhou, H., Guan, X. H., Liu, J. F., Bi, Z. Q., Liu, G. H., Ren, J., Wang, H., Zhao, Z., Song, J. D., He, J. R., Wan, T., Zhang, J. S., Fu, X. P., Sun, L. N., Dong, X. P., Feng, Z. J., Yang, W. Z., Hong, T., Zhang, Y., Walker, D. H., Wang, Y. & Li, D. X., Apr 21 2011, In: New England Journal of Medicine. 364, 16, p. 1523-1532 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Orthobunyavirus
  • Thrombocytopenia
  • China
  • Fever
  • Phlebovirus
  762 Scopus citations

• Fever and rash after a safari

  Damavandy, A. A., Rojek, N. W., Dugan, E. M., Walker, D. & Norton, S. A., Jan 1 2015, In: Journal of the American Academy of Dermatology. 72, 1, p. e5-e6

  Research output: Contribution to journal › Article › peer-review

• Fatal rocky mountain spotted fever in a 2-year-old child

  Walker, D. H. & Paddock, C. D., Nov 1 2011, In: Pathology Case Reviews. 16, 6, p. 238-241 4 p.

  Research output: Contribution to journal › Review article › peer-review

  • Rocky Mountain Spotted Fever
  • Spotted Fever Group Rickettsiosis
  • Brain Edema
  • Vasculitis
  • Pathologists
  1 Scopus citations

• Fatal monocytic ehrlichiosis in woman, Mexico, 2013

  Sosa-Gutierrez, C. G., Solorzano-Santos, F., Walker, D. H., Torres, J., Serrano, C. A. & Gordillo-Perez, G., May 2016, In: Emerging infectious diseases. 22, 5, p. 871-874 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichiosis
  • Mexico
  • Ehrlichia chaffeensis
  • Fever
  • Tick Bites
  8 Scopus citations

• Evaluation of Burkholderia mallei ΔtonB Δhcp1 (CLH001) as a live attenuated vaccine in murine models of glanders and melioidosis

  Khakhum, N., Bharaj, P., Myers, J. N., Tapia, D., Walker, D. H., Endsley, J. J. & Torres, A. G., Jul 2019, In: PLoS neglected tropical diseases. 13, 7, e0007578.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Burkholderia mallei
  • Glanders
  • Melioidosis
  • Attenuated Vaccines
  • Humoral Immunity
  5 Scopus citations

• Epidemiology, molecular biology, and pathogenic mechanisms of Ehrlichia infections

  Yu, X. J. & Walker, D., Jan 1 2016, Rickettsiales: Biology, Molecular Biology, Epidemiology, and Vaccine Development. Springer International Publishing, p. 225-240 16 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Ehrlichia
  • Ehrlichiosis
  • Molecular Biology
  • Epidemiology
  • Pattern Recognition Receptors
  1 Scopus citations

• Endothelial cell proteomic response to Rickettsia conorii infection reveals activation of the Janus Kinase (JAK)-signal transducer and activator of transcription (STAT)-inferferon stimulated gene (ISG)15 pathway and reprogramming plasma membrane integrin/cadherin signaling

  Zhao, Y., Valbuena, G., Walker, D. H., Gazi, M., Hidalgo, M., DeSousa, R., Oteo, J. A., Goez, Y. & Brasier, A. R., Jan 2016, In: Molecular and Cellular Proteomics. 15, 1, p. 289-304 16 p.

  Research output: Contribution to journal › Article › peer-review

  • Boutonneuse Fever
  • Endothelial cells
  • Cell membranes
  • Proteomics
  • Janus Kinases
  10 Scopus citations

• Endothelial Activation and Injury: The Mechanisms of Rickettsial Vasculiti

  Sahni, A., Narra, H. P., Walker, D. H. & Sahni, S. K., Jan 1 2016, Vascular Responses to Pathogens. Elsevier Inc., p. 111-122 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Wounds and Injuries
  • Infection
  • Rickettsia Infections
  • Arthropod Vectors
  • Rickettsia
  5 Scopus citations

• Ehrlichioses: An important one health opportunity

  Saito, T. B. & Walker, D. H., Sep 1 2016, In: Veterinary Sciences. 3, 3, 20.

  Research output: Contribution to journal › Review article › peer-review

  • ehrlichiosis
  • Ehrlichiosis
  • Ehrlichia
  • T-Lymphocytes
  • Health
  11 Scopus citations

• Ehrlichia chaffeensis outer membrane protein 1-specific human antibody-mediated immunity is defined by intracellular TRIM21-dependent innate immune activation and extracellular neutralization

  Velayutham, T. S., Kumar, S., Zhang, X., Kose, N., Walker, D. H., Winslow, G., Crowe, J. E. & McBride, J. W., Dec 1 2019, In: Infection and immunity. 87, 12, e00383-19.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Ehrlichia chaffeensis
  • Ehrlichia
  • Membrane Proteins
  • Immunity
  • Autophagy
  3 Scopus citations

• Ehrlichia chaffeensis and E. canis hypothetical protein immunoanalysis reveals small secreted immunodominant proteins and conformation-dependent antibody epitopes

  Luo, T., Patel, J. G., Zhang, X., Walker, D. H. & McBride, J. W., Dec 1 2020, In: npj Vaccines. 5, 1, 85.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Ehrlichia chaffeensis
  • Protein Conformation
  • Epitopes
  • Antibodies
  • Proteins

• Ehrlichia chaffeensis (Human Monocytotropic Ehrlichiosis), Anaplasma phagocytophilum (Human Granulocytotropic Anaplasmosis), and Other Anaplasmataceae

  Dumler, J. S. & Walker, D. H., Aug 28 2014, Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. Elsevier Inc., Vol. 2. p. 2227-2233.e3

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
  9 Scopus citations

• Ehrlichia

  Thirumalapura, N. R. & Walker, D., Nov 26 2014, Molecular Medical Microbiology: Second Edition. Elsevier Ltd, Vol. 3. p. 2011-2032 22 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Ehrlichia
  • Ehrlichiosis
  • Ehrlichia chaffeensis
  • Peptidoglycan
  • Liver

• Editorial: Changing dynamics of human-rickettsial interactions

  Walker, D. H., Jan 2016, In: American Journal of Tropical Medicine and Hygiene. 94, 1, p. 3-4 2 p.

  Research output: Contribution to journal › Editorial › peer-review
  5 Scopus citations

• Distinguishing Tropical Infectious Diseases from Bioterrorism

  Olano, J. P., Peters, C. J. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 879-886 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Diseases Caused by Fungi

  Walker, D. H. & McGinnis, M. R., Jan 1 2014, Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., p. 217-221 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • Mycoses
  • Fungi
  • Fungal Structures
  • Histoplasma
  • Arthrodermataceae

• Diagnosing emerging and reemerging infectious diseases: The pivotal role of the pathologist

  Olano, J. P. & Walker, D. H., Jan 1 2011, In: Archives of Pathology and Laboratory Medicine. 135, 1, p. 83-91 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Emerging Communicable Diseases
  • Pathologists
  • Communicable Diseases
  • Molecular Pathology
  • United States Food and Drug Administration
  15 Scopus citations

• Chlamydial, Mycoplasmal, Rickettsial, and Ehrlichial Diseases

  Walker, D. H., 2018, Pulmonary Pathology: A Volume in the Series: Foundations in Diagnostic Pathology. Elsevier Inc., p. 315-326 12 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• CD8⁺T cells provide immune protection against murine disseminated endotheliotropic Orientia tsutsugamushi infection

  Xu, G., Mendell, N. L., Liang, Y., Shelite, T. R., Goez-Rivillas, Y., Soong, L., Bouyer, D. H. & Walker, D. H., Jul 19 2017, In: PLoS neglected tropical diseases. 11, 7, e0005763.

  Research output: Contribution to journal › Article › peer-review

  • Scrub Typhus
  • Orientia tsutsugamushi
  • T-Lymphocytes
  • Bacterial Load
  • Immunity
  15 Scopus citations

• Case report: An unusual cutaneous manifestation in a patient with murine typhus

  Blanton, L. S., Lea, A. S., Kelly, B. C. & Walker, D. H., Dec 2015, In: American Journal of Tropical Medicine and Hygiene. 93, 6, p. 1164-1167 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Endemic Flea-Borne Typhus
  • Skin Manifestations
  • Rickettsia typhi
  • Siphonaptera
  • Mites
  9 Scopus citations

• Burkholderia pseudomallei ΔtonB Δhcp1 live attenuated vaccine strain elicits full protective immunity against aerosolized melioidosis infection

  Khakhum, N., Bharaj, P., Myers, J. N., Tapia, D., Kilgore, P. B., Ross, B. N., Walker, D. H., Endsley, J. J. & Torresa, A. G., Jan 1 2019, In: mSphere. 4, 1, e00570-18.

  Research output: Contribution to journal › Article › peer-review

  • Melioidosis
  • Burkholderia pseudomallei
  • Attenuated Vaccines
  • Burkholderia mallei
  • Immunity
  11 Scopus citations

• Bartonelloses

  Dehio, C., Maguiña, C. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 265-270 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• A Tick Vector Transmission Model of Monocytotropic Ehrlichiosis

  Saito, T. B. & Walker, D. H., Sep 15 2015, In: Journal of Infectious Diseases. 212, 6, p. 968-977 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichiosis
  • Ticks
  • Ehrlichia
  • Nymph
  • Larva
  14 Scopus citations

• Atg5 supports Rickettsia australis infection in macrophages in vitro and in vivo

  Bechelli, J., Vergara, L., Smalley, C., Buzhdygan, T. P., Bender, S., Zhang, W., Liu, Y., Popov, V. L., Wang, J., Garg, N., Hwang, S., Walker, D. H. & Fang, R., Jan 1 2019, In: Infection and immunity. 87, 1, e00651.

  Research output: Contribution to journal › Article › peer-review

  • Spotted Fever Group Rickettsiosis
  • Macrophages
  • In Vitro Techniques
  • Rickettsia
  • Interleukin-1
  9 Scopus citations

• A single mutation (V64G) within the ring domain of Z attenuates junin virus

  Hallam, S. J., Manning, J. T., Maruyama, J., Seregin, A., Huang, C., Walker, D. H., de la Torre, J. C. & Paessler, S., Sep 2020, In: PLoS neglected tropical diseases. 14, 9, p. 1-15 15 p., e0008555.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • New World Arenaviruses
  • Junin virus
  • Mutation
  • Arenaviridae
  • Fever

• A review of the global epidemiology of scrub typhus

  Xu, G., Walker, D. H., Jupiter, D., Melby, P. C. & Arcari, C. M., Nov 3 2017, In: PLoS neglected tropical diseases. 11, 11, e0006062.

  Research output: Contribution to journal › Article › peer-review

  • Scrub Typhus
  • Epidemiology
  • Orientia tsutsugamushi
  • Public Health
  • Neglected Diseases
  74 Scopus citations

• Anthrax

  Rao, G. R. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 261-264 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• An Intradermal Inoculation Mouse Model for Immunological Investigations of Acute Scrub Typhus and Persistent Infection

  Soong, L., Mendell, N. L., Olano, J. P., Rockx-Brouwer, D., Xu, G., Goez-Rivillas, Y., Drom, C., Shelite, T. R., Valbuena, G., Walker, D. H. & Bouyer, D. H., Aug 1 2016, In: PLoS neglected tropical diseases. 10, 8, e0004884.

  Research output: Contribution to journal › Article › peer-review

  • Immunological Models
  • Scrub Typhus
  • Infection
  • Orientia tsutsugamushi
  • Interleukin-9
  15 Scopus citations

• An animal model of a newly emerging human ehrlichiosis

  Saito, T. B., Thirumalapura, N. R., Shelite, T. R., Rockx-Brouwer, D., Popov, V. L. & Walker, D. H., Feb 1 2015, In: Journal of Infectious Diseases. 211, 3, p. 452-461 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Ehrlichia
  • Ehrlichiosis
  • Animal Models
  • Infection
  • Clinical Chemistry
  14 Scopus citations

• Analysis of health-Care charges in murine typhus: Need for improved clinical recognition and diagnostics for acute disease

  Vohra, R. F., Walker, D. H. & Blanton, L. S., 2018, In: American Journal of Tropical Medicine and Hygiene. 98, 6, p. 1594-1598 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Endemic Flea-Borne Typhus
  • Acute Disease
  • Delivery of Health Care
  • Human Influenza
  • Rickettsia typhi
  5 Scopus citations

• A Hematogenously Disseminated Orientia tsutsugamsushi-Infected Murine Model of Scrub Typhus

  Shelite, T. R., Saito, T. B., Mendell, N. L., Gong, B., Xu, G., Soong, L., Valbuena, G., Bouyer, D. H. & Walker, D. H., Jul 2014, In: PLoS neglected tropical diseases. 8, 7, e2966.

  Research output: Contribution to journal › Article › peer-review

  • Scrub Typhus
  • Orientia tsutsugamushi
  • Infection
  • Inbred C57BL Mouse
  • Trombiculidae
  25 Scopus citations

• After malaria is controlled, what's next?

  Walker, D. H., Jul 2014, In: American Journal of Tropical Medicine and Hygiene. 91, 1, p. 7-10 4 p.

  Research output: Contribution to journal › Editorial › peer-review
  1 Scopus citations

• Activation of ASC Inflammasome Driven by Toll-Like Receptor 4 Contributes to Host Immunity against Rickettsial Infection

  Rumfield, C., Hyseni, I., McBride, J. W., Walker, D. H. & Fang, R., Mar 23 2020, In: Infection and immunity. 88, 4

  Research output: Contribution to journal › Article › peer-review

  • Inflammasomes
  • Toll-Like Receptor 4
  • Interleukin-1
  • Immunity
  • Macrophages

• A cluster of cases of rocky mountain spotted fever in an area of Colombia not known to be endemic for this disease

  Londoño, A. F., Arango-Ferreira, C., Acevedo-Gutiérrez, L. Y., Paternina, L. E., Montes, C., Ruiz, I., Labruna, M. B., Díaz, F. J., Walker, D. H. & Rodas, J. D., 2019, In: American Journal of Tropical Medicine and Hygiene. 101, 2, p. 336-342 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Rocky Mountain Spotted Fever
  • Endemic Diseases
  • Colombia
  • Rickettsia rickettsii
  • Molecular Diagnostic Techniques
  2 Scopus citations

• A biosafety level-2 dose-dependent lethal mouse model of spotted fever rickettsiosis: Rickettsia parkeri atlantic rainforest strain

  Londoño, A. F., Mendell, N. L., Walker, D. H. & Bouyer, D. H., Jun 2019, In: PLoS neglected tropical diseases. 13, 6, e0007054.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Rainforest
  • Spotted Fever Group Rickettsiosis
  • Rickettsia
  • Containment of Biohazards
  • Infection
  2 Scopus citations