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• Whole-genome sequence of rickettsia parkeri strain atlantic rainforest, isolated from a colombian tick

  Londoño, A. F., Mendell, N. L., Valbuena, G. A., Routh, A. L., Wood, T. G., Widen, S. G., Rodas, J. D., Walker, D. H. & Bouyer, D. H., Sep 26 2019, In: Microbiology Resource Announcements. 8, 39, e00684-19.

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

  Open Access

  • Rainforest
  • Rickettsia
  • Ticks
  • Genome
  • Colombia

• Vector Tick Transmission Model of Spotted Fever Rickettsiosis

  Saito, T. B., Bechelli, J., Smalley, C., Karim, S. & Walker, D. H., Jan 2019, In: American Journal of Pathology. 189, 1, p. 115-123 9 p.

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

  • Spotted Fever Group Rickettsiosis
  • Ticks
  • Infection
  • Rickettsia Infections
  • Bacterial Load
  4 Scopus citations

• Value of autopsy emphasized in the case report of a single patient with middle east respiratory syndrome

  Walker, D. H., Mar 1 2016, In: American Journal of Pathology. 186, 3, p. 507-510 4 p.

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

  • Coronavirus Infections
  • Communicable Diseases
  • Autopsy
  7 Scopus citations

• Typhus Group Rickettsioses

  Walker, D. H. & Raoult, D., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 329-333 5 p.

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

• Tropical Infectious Diseases

  Guerrant, R., Walker, D. H. & Weller, P., 2011, Elsevier Inc.

  Research output: Book/Report › Book

  • Omsk Hemorrhagic Fever
  • Crimean-Congo hemorrhagic fever virus
  • Hepatitis A Vaccines
  • Tick-Borne Encephalitis
  • Mucormycosis
  24 Scopus citations

• Time to Worry about Anthrax Again

  Keim, P. S., Walker, D. H. & Zilinskas, R. A., Mar 14 2017, In: Scientific American. 316, 4, p. 70-75 6 p.

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

• The role of Rhipicephalus sanguineus sensu lato saliva in the dissemination of Rickettsia conorii in C3H/HeJ mice

  Milhano, N., Saito, T. B., Bechelli, J., Fang, R., Vilhena, M., De Sousa, R. & Walker, D. H., Sep 1 2015, In: Medical and Veterinary Entomology. 29, 3, p. 225-229 5 p.

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

  • Rickettsia conorii
  • Rhipicephalus sanguineus
  • tick
  • saliva
  • Ticks
  9 Scopus citations

• The role of CD8 T lymphocytes in rickettsial infections

  Walker, D. H. & Dumler, J. S., May 26 2015, In: Seminars in Immunopathology. 37, 3, p. 289-299 11 p.

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

  • T-Lymphocytes
  • Infection
  • Anaplasmosis
  • Ehrlichiosis
  • Immunity
  17 Scopus citations

• The pathogenesis of severe fever with thrombocytopenia syndrome virus infection in alpha/beta interferon knockout mice: Insights into the pathologic mechanisms of a new viral hemorrhagic fever

  Liu, Y., Wu, B., Paessler, S., Walker, D. H., Tesh, R. B. & Yu, X. J., Feb 2014, In: Journal of virology. 88, 3, p. 1781-1786 6 p.

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

  • Viral Hemorrhagic Fevers
  • interferon-beta
  • thrombocytopenia
  • Interferon-beta
  • Interferon-alpha
  66 Scopus citations

• The guinea pig model for tick-borne spotted fever rickettsioses: A second look

  Stokes, J. V., Walker, D. H. & Varela-Stokes, A. S., Nov 2020, In: Ticks and Tick-borne Diseases. 11, 6, 101538.

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

  Open Access

  • rickettsial diseases
  • Spotted Fever Group Rickettsiosis
  • Ticks
  • fever
  • ticks

• Susceptibility of Rickettsia rickettsii to Tigecycline in a Cell Culture Assay and Animal Model for Rocky Mountain Spotted Fever

  Blanton, L. S., Wilson, N. M., Quade, B. R. & Walker, D. H., 2019, In: American Journal of Tropical Medicine and Hygiene. 101, 5, p. 1091-1095 5 p.

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

  • Rickettsia rickettsii
  • Rocky Mountain Spotted Fever
  • Tigecycline
  • Cell Culture Techniques
  • Animal Models
  1 Scopus citations

• Structure-based vaccines provide protection in a mouse model of ehrlichiosis

  Thomas, S., Thirumalapura, N. R., Crocquet-Valdes, P. A., Luxon, B. A. & Walker, D. H., Nov 17 2011, In: PloS one. 6, 11, e27981.

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

  • Ehrlichia
  • ehrlichiosis
  • Ehrlichiosis
  • animal models
  • vaccines
  15 Scopus citations

• Strong Type 1, but Impaired Type 2, Immune Responses Contribute to Orientia tsutsugamushi-Induced Pathology in Mice

  Soong, L., Wang, H., Shelite, T. R., Liang, Y., Mendell, N. L., Sun, J., Gong, B., Valbuena, G. A., Bouyer, D. H. & Walker, D. H., Sep 1 2014, In: PLoS neglected tropical diseases. 8, 9

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

  • Orientia tsutsugamushi
  • Scrub Typhus
  • Angiopoietin-2
  • Pathology
  • Angiopoietin-1
  22 Scopus citations

• Spotted Fever Group Rickettsioses

  Sexton, D. J. & Walker, D. H., 2011, Tropical Infectious Diseases. Elsevier Inc., p. 323-328 6 p.

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

• Sequelae of Lassa fever: Postviral cerebellar ataxia

  Ezeomah, C., Adoga, A., Ihekweazu, C., Paessler, S., Cisneros, I., Tomori, O. & Walker, D., Dec 1 2019, In: Open Forum Infectious Diseases. 6, 12

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

  Open Access

  • Lassa Fever
  • Cerebellar Ataxia
  • Ataxia
  • Antiviral Agents
  • Lassa virus
  1 Scopus citations

• Seek and you shall find — Unknown pathogens?

  Vasilakis, N. & Walker, D. H., May 30 2019, In: New England Journal of Medicine. 380, 22, p. 2174-2175 2 p.

  Research output: Contribution to journal › Comment/debate › peer-review

• Scrub typhus - Scientific neglect, ever-widening impact

  Walker, D. H., Sep 8 2016, In: New England Journal of Medicine. 375, 10, p. 913-915 3 p.

  Research output: Contribution to journal › Short survey › peer-review
  32 Scopus citations

• Scrub Typhus

  Kim, I. S. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 334-338 5 p.

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

• Rickettsia typhi (Murine Typhus)

  Blanton, L. S., 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. 2221-2224.e2

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

• Rickettsia rickettsii and Other Spotted Fever Group Rickettsiae (Rocky Mountain Spotted Fever and Other Spotted Fevers)

  Walker, D. H. & Blanton, L. S., Aug 28 2014, Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. Elsevier Inc., Vol. 2. p. 2198-2205 8 p.

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

• Rickettsia prowazekii (Epidemic or Louse-Borne Typhus)

  Blanton, L. S. & Walker, D. H., Aug 28 2014, Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. Elsevier Inc., Vol. 2. p. 2217-2220.e1

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

• Rickettsia massiliae and rickettsia conorii israeli spotted fever strain differentially regulate endothelial cell responses

  Bechelli, J., Smalley, C., Milhano, N., Walker, D. H. & Fang, R., Sep 22 2015, In: PloS one. 10, 9, e0138830.

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

  • Rickettsia massiliae
  • Rickettsia conorii
  • Spotted Fever Group Rickettsiosis
  • Endothelial cells
  • Rickettsia
  5 Scopus citations

• Rickettsia felis and changing paradigms about pathogenic rickettsiae

  Labruna, M. B. & Walker, D. H., Oct 1 2014, In: Emerging infectious diseases. 20, 10, p. 1768-1769 2 p.

  Research output: Contribution to journal › Letter › peer-review
  21 Scopus citations

• Rickettsiae Within the Fleas of Feral Cats in Galveston, Texas

  Blanton, L. S., Vohra, R. F., Fistein, L., Quade, B., Walker, D. H. & Bouyer, D. H., Sep 2019, In: Vector-Borne and Zoonotic Diseases. 19, 9, p. 647-651 5 p.

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

  • Ctenocephalides
  • feral
  • Siphonaptera
  • Rickettsia typhi
  • Endemic Flea-Borne Typhus
  7 Scopus citations

• Rickettsiae as Emerging Infectious Agents

  Fang, R., Blanton, L. S. & Walker, D. H., Jun 2017, In: Clinics in Laboratory Medicine. 37, 2, p. 383-400 18 p.

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

  • Arthropod Vectors
  • Epidemic Louse-Borne Typhus
  • Spotted Fever Group Rickettsiosis
  • Endothelial cells
  • Epidemiology
  25 Scopus citations

• Rickettsiae and ehrlichiae within a city park: Is the urban dweller at risk?

  Blanton, L. S., Walker, D. H. & Bouyer, D. H., Feb 1 2014, In: Vector-Borne and Zoonotic Diseases. 14, 2, p. 168-170 3 p.

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

  • Ehrlichia
  • Ticks
  • Ehrlichiosis
  • Ehrlichia chaffeensis
  • Dermacentor
  13 Scopus citations

• Rickettsia australis activates inflammasome in human and murine macrophages

  Smalley, C., Bechelli, J., Rockx-Brouwer, D., Saito, T., Azar, S. R., Ismail, N., Walker, D. H. & Fang, R., Jun 2016, In: PloS one. 11, 6, e0157231.

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

  • Rickettsia australis
  • inflammasomes
  • Macrophages
  • Rickettsia
  • Inflammasomes
  13 Scopus citations

• "rickettsia amblyommii" Induces cross protection against lethal rocky mountain spotted fever in a guinea pig model

  Blanton, L. S., Mendell, N. L., Walker, D. H. & Bouyer, D. H., Aug 1 2014, In: Vector-Borne and Zoonotic Diseases. 14, 8, p. 557-562 6 p.

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

  • Rickettsia rickettsii
  • Rocky Mountain Spotted Fever
  • Cross Protection
  • Rickettsia
  • Guinea Pigs
  18 Scopus citations

• Rickettsia

  Walker, D., Oct 6 2016, International Encyclopedia of Public Health. Elsevier Inc., p. 370-377 8 p.

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

  • Coxiella
  • Rickettsia
  • Neorickettsia
  • Endemic Flea-Borne Typhus
  • Anaplasma
  2 Scopus citations

• Reemergence of murine typhus in galveston, texas, usa, 2013

  Blanton, L. S., Vohra, R. F., Bouyer, D. H. & Walker, D. H., 2015, In: Emerging infectious diseases. 21, 3, p. 484-486 3 p.

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

  • Endemic Flea-Borne Typhus
  • Rickettsia typhi
  • Public Health
  • Physicians
  24 Scopus citations

• Recent research milestones in the pathogenesis of human rickettsioses and opportunities ahead

  Narra, H. P., Sahni, A., Walker, D. H. & Sahni, S. K., Jun 2020, In: Future Microbiology. 15, 9, p. 753-765 13 p.

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

  • Arthropod Vectors
  • resmethrin
  • Rickettsia
  • Antitoxins
  • Host-Pathogen Interactions
  1 Scopus citations

• Quantitative study of Rickettsia massiliae in Rhipicephalus sanguineus organs

  Milhano, N., Popov, V., Vilhena, M., Bouyer, D. H., de Sousa, R. & Walker, D. H., Oct 1 2014, In: Ticks and Tick-borne Diseases. 5, 6, p. 709-714 6 p.

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

  • Rickettsia massiliae
  • Rhipicephalus sanguineus
  • Rickettsia
  • Ticks
  • ticks
  6 Scopus citations

• Quantitative Proteomics of the Endothelial Secretome Identifies RC0497 as Diagnostic of Acute Rickettsial Spotted Fever Infections

  Zhao, Y., Fang, R., Zhang, J., Zhang, Y., Bechelli, J., Smalley, C., Valbuena, G., Walker, D. H., Oteo, J. A. & Brasier, A. R., Feb 2020, In: American Journal of Pathology. 190, 2, p. 306-322 17 p.

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

  Open Access

  • Spotted Fever Group Rickettsiosis
  • Rickettsia conorii
  • Proteomics
  • Boutonneuse Fever
  • Infection
  3 Scopus citations

• Principles of Parasitism: Host-Parasite Interactions

  Olano, J. P., Weller, P. F., Guerrant, R. L. & Walker, D. H., 2011, Tropical Infectious Diseases. Elsevier Inc., p. 1-7 7 p.

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

• Principles of Diagnosis of Infectious Diseases

  Walker, D., Jan 1 2014, Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., p. 222-225 4 p.

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

  • Communicable Diseases
  • Inclusion Bodies
  • Viruses
  • Nucleic Acids
  • Fungi

• Preface

  Guerrant, R. L., Walker, D. H. & Weller, P. F., 2011, Tropical Infectious Diseases. Elsevier Inc., p. xii

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

• Perspective Piece: Ideal Criteria for Accurate Mouse Models of Vector-Borne Diseases with Emphasis on Scrub Typhus and Dengue

  Sarathy, V. V. & Walker, D. H., Sep 2020, In: American Journal of Tropical Medicine and Hygiene. 103, 3, p. 970-975 6 p.

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

  • Scrub Typhus
  • Disease Vectors
  • Dengue
  • Orientia tsutsugamushi
  • Zoonoses

• Permissive and protective roles for neutrophils in leishmaniasis

  Carlsen, E. D., Liang, Y., Shelite, T. R., Walker, D. H., Melby, P. C. & Soong, L., Nov 2015, In: Clinical and Experimental Immunology. 182, 2, p. 109-18 10 p.

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

  • Leishmaniasis
  • Parasites
  • Neutrophils
  • Leishmania
  • Infection
  32 Scopus citations

• Pathogenesis of Rickettsial Diseases: Pathogenic and Immune Mechanisms of an Endotheliotropic Infection

  Sahni, A., Fang, R., Sahni, S. K. & Walker, D. H., 2019, In: Annual Review of Pathology: Mechanisms of Disease. 14, p. 127-152 26 p.

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

  • Rickettsia Infections
  • Actins
  • Endothelial Cells
  • Infection
  • Rickettsia
  11 Scopus citations

• Pathogenesis of Infectious Diseases and Mechanisms of Immunity

  McBride, J. & Walker, D., Dec 9 2014, Vaccinology: An Essential Guide. Wiley Blackwell, p. 59-72 14 p.

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

  • Communicable Diseases
  • Immunity
  • Vaccines
  • Host-Pathogen Interactions
  • Antibodies

• Opossums and cat fleas: New insights in the ecology of murine typhus in Galveston, Texas

  Blanton, L. S., Idowu, B. M., Tatsch, T. N., Henderson, J. M., Bouyer, D. H. & Walker, D. H., Aug 2016, In: American Journal of Tropical Medicine and Hygiene. 95, 2, p. 457-461 5 p.

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

  • Ctenocephalides
  • Endemic Flea-Borne Typhus
  • Siphonaptera
  • Opossums
  • Ecology
  31 Scopus citations

• Omplete genome sequence of Ehrlichia muris strain AS145^T, a model monocytotropic Ehrlichia strain

  Thirumalapura, N. R., Qin, X., Kuriakose, J. A. & Walker, D., 2014, In: Genome Announcements. 2, 1, e01234-13.

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

  • Ehrlichia
  • Ehrlichiosis
  • Genome
  • Japan
  • Infection
  5 Scopus citations

• Obligate intracellular bacterium Ehrlichia inhibiting mitochondrial activity

  Liu, Y., Zhang, Z., Jiang, Y., Zhang, L., Popov, V. L., Zhang, J., Walker, D. H. & Yu, X. J., Mar 2011, In: Microbes and Infection. 13, 3, p. 232-238 7 p.

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

  • Ehrlichia
  • Bacteria
  • Mitochondria
  • Phagocytes
  • Ehrlichia chaffeensis
  15 Scopus citations

• MyD88 mediates instructive signaling in dendritic cells and protective inflammatory response during rickettsial infection

  Bechelli, J., Smalley, C., Zhao, X., Judy, B., Valdes, P., Walker, D. H. & Fang, R., Apr 1 2016, In: Infection and immunity. 84, 4, p. 883-893 11 p.

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

  • Dendritic Cells
  • Interleukin-1
  • Infection
  • Bone Marrow
  • Rickettsia
  12 Scopus citations

• Murine models of scrub typhus associated with host control of Orientia tsutsugamushi infection

  Mendell, N. L., Bouyer, D. H. & Walker, D. H., Mar 10 2017, In: PLoS neglected tropical diseases. 11, 3, e0005453.

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

  • Scrub Typhus
  • Orientia tsutsugamushi
  • Infection
  • Trombiculidae
  • Heterologous Immunity
  10 Scopus citations

• Molecular and cellular pathobiology of Ehrlichia infection: Targets for new therapeutics and immunomodulation strategies

  McBride, J. W. & Walker, D. H., Jan 2011, In: Expert reviews in molecular medicine. 13, e3.

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

  • Ehrlichiosis
  • Immunomodulation
  • Ehrlichia
  • Host-Pathogen Interactions
  • Rickettsiales
  37 Scopus citations

• Mechanisms of immunity to rickettsia and implications for vaccine development

  Walker, D., Jan 1 2017, In: Revista Colombiana de Ciencias Pecuarias. 30, p. 262-263 2 p.

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

  • Spotted Fever Group Rickettsiosis
  • Rickettsia
  • vaccine development
  • fever
  • immunity

• Interactions of Pathogens with the Host

  Walker, D., Jan 1 2014, Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., p. 214-216 3 p.

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

  • Host-Pathogen Interactions
  • Infection
  • Meningoencephalitis
  • Asymptomatic Infections
  • Lymphatic Vessels

• Inactivation of sam-methyltransferase is the mechanism of attenuation of a historic louse borne typhus vaccine strain

  Liu, Y., Wu, B., Weinstock, G., Walker, D. H. & Yu, X. J., Nov 20 2014, In: PloS one. 9, 11, e113285.

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

  • typhus vaccine
  • Rickettsia prowazekii
  • Short Stature, Auditory Canal Atresia, Mandibular Hypoplasia, Skeletal Abnormalities
  • typhus
  • Phthiraptera
  4 Scopus citations

• Immunohistology of Infectious Diseases

  Ezyaguirre, E. J., Walker, D. H. & Zaki, S., Jan 1 2011, Diagnostic Immunohistochemistry. Elsevier Inc., p. 58-82 25 p.

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