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Author

  • David Walker
2015

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 journalArticle

5 Scopus citations
2013

Recent molecular insights into rickettsial pathogenesis and immunity

Sahni, S. K., Narra, H. P., Sahni, A. & Walker, D. H., Oct 1 2013, In : Future Microbiology. 8, 10, p. 1265-1288 24 p.

Research output: Contribution to journalReview article

56 Scopus citations
2016

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 proceedingChapter

4 Scopus citations
2014
17 Scopus citations
2015

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

Research output: Contribution to journalArticle

28 Scopus citations
2011

Preface

Guerrant, R. L., Walker, D. H. & Weller, P. F., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. xii

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

2012

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 proceedingChapter

1 Scopus citations
2014

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 journalLetter

20 Scopus citations
2016

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 proceedingChapter

2013

Approaches to vaccines against Orientia tsutsugamushi

Valbuena, G. A. & Walker, D. H., 2013, In : Frontiers in Cellular and Infection Microbiology. 4, JAN, Article 170.

Research output: Contribution to journalReview article

Open Access
40 Scopus citations
2014

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

Dumler, J. S. & Walker, D., 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 proceedingChapter

8 Scopus citations
2012

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 proceedingChapter

2011

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 proceedingChapter

2017

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 journalReview article

28 Scopus citations
2011

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 1 2011, In : Clinical and Vaccine Immunology. 18, 12, p. 2018-2025 8 p.

Research output: Contribution to journalArticle

15 Scopus citations
2016

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 journalArticle

13 Scopus citations
2015

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 journalArticle

13 Scopus citations
2011

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 1 2011, In : Microbes and Infection. 13, 3, p. 232-238 7 p.

Research output: Contribution to journalArticle

15 Scopus citations
2013

Simple method to differentiate among Rickettsia species

Peniche-Lara, G., Zavala-Velazquez, J., Dzul-Rosado, K., Walker, D. H. & Zavala-Castro, J., Apr 1 2013, In : Journal of Molecular Microbiology and Biotechnology. 23, 3, p. 203-208 6 p.

Research output: Contribution to journalArticle

8 Scopus citations
2016

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 journalArticle

11 Scopus citations
2013

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 journalReview article

127 Scopus citations
2019

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 journalArticle

4 Scopus citations
2011

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 proceedingChapter

2014
20 Scopus citations
2012

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 proceedingChapter

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 journalReview article

80 Scopus citations
2017

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

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

Research output: Contribution to journalArticle

5 Scopus citations
2019
1 Scopus citations

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 journalArticle

1 Scopus citations
2011

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 proceedingChapter

3 Scopus citations
2019

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 journalArticle

9 Scopus citations
2014

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 proceedingChapter

2019

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 journalArticle

Open Access
2013

Case-Fatality ratio and effectiveness of ribavirin therapy among hospitalized patients in china who had severe fever with thrombocytopenia syndrome

Liu, W., Lu, Q. B., Cui, N., Li, H., Wang, L. Y., Liu, K., Yang, Z. D., Wang, B. J., Wang, H. Y., Zhang, Y. Y., Zhuang, L., Hu, C. Y., Yuan, C., Fan, X. J., Wang, Z., Zhang, L., Zhang, X. A., Walker, D. H. & Cao, W. C., Nov 1 2013, In : Clinical Infectious Diseases. 57, 9, p. 1292-1299 8 p.

Research output: Contribution to journalArticle

91 Scopus citations
2019

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 journalArticle

2 Scopus citations
2014

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 journalArticle

21 Scopus citations
2016

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 proceedingChapter

1 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 journalArticle

13 Scopus citations
2011
15 Scopus citations
2014

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 proceedingChapter

2018
3 Scopus citations
2017

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 journalArticle

6 Scopus citations
2014

Rickettsia prowazekii (Epidemic or Louse-Borne Typhus)

Blanton, L. & Walker, D., 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 proceedingChapter

2012

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 journalArticle

11 Scopus citations
2015

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 journalArticle

8 Scopus citations
2012
17 Scopus citations
2013

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 proceedingChapter

2016

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 journalEditorial

5 Scopus citations
2015
7 Scopus citations
2011

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 proceedingChapter

10 Scopus citations