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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

• Typhus Group Rickettsioses

  Walker, D. H. & Raoult, D., 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

• 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
  70 Scopus citations

• Systemic treatment with cpg-b after sublethal rickettsial infection induces mouse death through indoleamine 2,3-dioxygenase (ido)

  Xin, L., Shelite, T. R., Gong, B., Mendell, N. L., Soong, L., Fang, R. & Walker, D. H., Mar 28 2012, In: PloS one. 7, 3, e34062.

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

  • indoleamine 2,3-dioxygenase
  • rickettsial diseases
  • T-cells
  • Indoleamine-Pyrrole 2,3,-Dioxygenase
  • Dendritic Cells
  16 Scopus citations

• 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
  2 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

• Spotted fever group Rickettsia in small rodents from areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais State, Brazil

  Milagres, B. S., Padilha, A. F., Montandon, C. E., Freitas, R. N., Pacheco, R., Walker, D. H., Labruna, M. B., Mafra, C. L. & Galvão, M. A. M., May 2013, In: American Journal of Tropical Medicine and Hygiene. 88, 5, p. 937-939 3 p.

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

  • Rocky Mountain Spotted Fever
  • Spotted Fever Group Rickettsiosis
  • Rickettsia
  • Brazil
  • Rodentia
  7 Scopus citations

• Simple method to differentiate among Rickettsia species

  Peniche-Lara, G., Zavala-Velazquez, J., Dzul-Rosado, K., Walker, D. H. & Zavala-Castro, J., Apr 2013, In: Journal of Molecular Microbiology and Biotechnology. 23, 3, p. 203-208 6 p.

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

  • Rickettsia
  • Polymerase Chain Reaction
  • Ecosystem
  • Enzymes
  • Restriction Fragment Length Polymorphisms
  8 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

  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

• Rocky mountain spotted fever and other rickettsioses

  Walker, D., May 15 2012, Schaechter's Mechanisms of Microbial Disease: Fifth Edition. Wolters Kluwer Health Adis (ESP), p. 301-307 7 p.

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

• Rocky mountain spotted fever and other rickettsioses

  Walker, D., Jul 8 2013, Schaechter's Mechanisms of Microbial Disease: Fifth Edition. Wolters Kluwer Health Adis (ESP), p. 301-307 7 p.

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

• 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 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
  23 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 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 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
  20 Scopus citations

• Rickettsia, orientia, ehrlichia, anaplasma and coxiella: Typhus; spotted fevers; scrub typhus; ehrlichioses; Q fever

  Walker, D. & Yu, X. J., Jul 23 2012, Medical Microbiology: Eighteenth Edition. Elsevier Inc., p. 390-399 10 p.

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

• Review article: Unresolved problems related to scrub typhus: A seriously neglected life-threatening disease

  Paris, D. H., Shelite, T. R., Day, N. P. & Walker, D. H., Aug 2013, In: American Journal of Tropical Medicine and Hygiene. 89, 2, p. 301-307 7 p.

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

• Recombinant Ehrlichia P29 protein induces a protective immune response in a mouse model of ehrlichiosis

  Thirumalapura, N. R., Crocquet-Valdes, P. A., Saito, T. B., Thomas, S., McBride, J. W. & Walker, D. H., Dec 5 2013, In: Vaccine. 31, 50, p. 5960-5967 8 p.

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

  • Ehrlichia
  • ehrlichiosis
  • Ehrlichiosis
  • Tandem Repeat Sequences
  • Ehrlichia chaffeensis
  4 Scopus citations

• Recent molecular insights into rickettsial pathogenesis and immunity

  Sahni, S. K., Narra, H. P., Sahni, A. & Walker, D. H., Oct 2013, In: Future Microbiology. 8, 10, p. 1265-1288 24 p.

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

  • Arthropods
  • Rickettsia prowazekii
  • Immunity
  • Rickettsia Infections
  • Epidemic Louse-Borne Typhus
  59 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

• 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

• Person-to-person transmission of severe fever with thrombocytopenia syndrome virus

  Liu, Y., Li, Q., Hu, W., Wu, J., Weng, Y., Mei, L., Walker, D. H., Ren, J., Wang, Y. & Yu, X. J., Feb 1 2012, In: Vector-Borne and Zoonotic Diseases. 12, 2, p. 156-160 5 p.

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

  • SFTS phlebovirus
  • Thrombocytopenia
  • Fever
  • Viruses
  • Phlebovirus
  157 Scopus citations

• Pathogenesis of the viral hemorrhagic fevers

  Paessler, S. & Walker, D. H., Jan 2013, In: Annual Review of Pathology: Mechanisms of Disease. 8, p. 411-440 30 p.

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

  • Viral Hemorrhagic Fevers
  • fever
  • pathogenesis
  • Marburg Virus Disease
  • Orthobunyavirus
  160 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
  13 Scopus citations

• Pathogenesis of lassa fever

  Yun, N. E. & Walker, D. H., Oct 2012, In: Viruses. 4, 10, p. 2031-2048 18 p.

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

  • Lassa Fever
  • Lassa virus
  • Old World Arenaviruses
  • Arenaviridae
  • Vaccines
  98 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

• 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
  7 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

• New insight into immunity and immunopathology of Rickettsial diseases

  Mansueto, P., Vitale, G., Cascio, A., Seidita, A., Pepe, I., Carroccio, A., Di Rosa, S., Rini, G. B., Cillari, E. & Walker, D. H., 2012, In: Clinical and Developmental Immunology. 2012, 967852.

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

  • Rickettsia Infections
  • Rickettsia
  • Virulence
  • Immunity
  • Anaplasma
  84 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
  40 Scopus citations

• Mice lacking functional STAT1 are highly susceptible to lethal infection with Lassa virus

  Yun, N. E., Seregin, A. V., Walker, D. H., Popov, V. L., Walker, A. G., Smith, J. N., Miller, M., de la Torre, J. C., Smith, J. K., Borisevich, V., Fair, J. N., Wauquier, N., Grant, D. S., Bockarie, B., Bente, D. & Paessler, S., 2013, In: Journal of virology. 87, 19, p. 10908-10911 4 p.

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

  • Lassa virus fever
  • Lassa virus
  • Lassa Fever
  • Arenavirus
  • Western Africa
  34 Scopus citations

• Letters to the editor

  Walker, D., Mar 2012, In: Archives of Pathology and Laboratory Medicine. 136, 3, p. 235-236 2 p.

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

• 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., 2011, Diagnostic Immunohistochemistry. Elsevier Inc., p. 58-82 25 p.

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

• 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

• Immune Mediators of protective and pathogenic immune responses in patients with mild and fatal human monocytotropic ehrlichiosis

  Ismail, N., Walker, D. H., Ghose, P. & Tang, Y. W., May 21 2012, In: BMC Immunology. 13, 26.

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

  • Ehrlichiosis
  • Chemokines
  • Septic Shock
  • Interleukin-1
  • Interleukin-10
  11 Scopus citations

• Human ehrlichioses and rickettsioses in Cameroon

  Ndip, LN., Ndip, R., Walker, D. H. & McBride, J. W., 2012, Current Topics in Tropical Medicine. p. 25-42

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

• 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
  767 Scopus citations