Find Research Outputs

Search in all content

Filters for Publications

Search concepts
Selected Filters

Publication Year

  • 2020
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2011

Author

  • David Walker
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 2011, In : Microbes and Infection. 13, 3, p. 232-238 7 p.

Research output: Contribution to journalArticle

15 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

2014

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

Walker, D. & Blanton, L., 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 proceedingChapter

4 Scopus citations
2011

Tropical Infectious Diseases

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

Research output: Book/ReportBook

22 Scopus citations
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
2020

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 journalReview article

2011
15 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
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

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

12 Scopus citations
2014

Rickettsia typhi (Murine Typhus)

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

5 Scopus citations
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
2017

Time to Worry about Anthrax Again

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

Research output: Contribution to journalArticle

2018
3 Scopus citations
2014

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 journalArticle

20 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 10 p.

Research output: Contribution to journalArticle

30 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
2011

Spotted Fever Group Rickettsioses

Sexton, D. J. & Walker, D. H., Dec 1 2011, Tropical Infectious Diseases. Elsevier Inc., p. 323-328 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations
2014

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 journalArticle

3 Scopus citations
2016

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 journalArticle

7 Scopus citations
2013

Compartmentalized, functional role of angiogenin during spotted fever group rickettsia-induced endothelial barrier dysfunction: Evidence of possible mediation by host tRNA-derived small noncoding RNAs

Gong, B., Lee, Y. S., Lee, I., Shelite, T. R., Kunkeaw, N., Xu, G., Lee, K., Jeon, S. H., Johnson, B. H., Chang, Q., Ha, T., Mendell, N. L., Cheng, X., Bouyer, D. H., Boor, P. J., Ksiazek, T. G. & Walker, D. H., Jun 23 2013, In : BMC Infectious Diseases. 13, 1, 285.

Research output: Contribution to journalArticle

23 Scopus citations
2017

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 journalArticle

67 Scopus citations

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 journalArticle

13 Scopus citations
2011

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 journalArticle

14 Scopus citations
2013

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 journalArticle

32 Scopus citations
2016
6 Scopus citations

Scrub typhus - Scientific neglect, ever-widening impact

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

Research output: Contribution to journalShort survey

32 Scopus citations
2013

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 journalReview article

57 Scopus citations
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
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
2017

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 journalReview article

24 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
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
2013

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 journalArticle

3 Scopus citations
2014

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 journalArticle

6 Scopus citations
2013

Approaches to vaccines against Orientia tsutsugamushi

Valbuena, G. & 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

Exchange protein directly activated by cAMP plays a critical role in bacterial invasion during fatal rickettsioses

Gong, B., Shelite, T., Mei, F. C., Ha, T., Hu, Y., Xu, G., Chang, Q., Wakamiya, M., Ksiazek, T. G., Boor, P. J., Bouyer, D. H., Popov, V. L., Chen, J., Walker, D. H. & Cheng, X., Nov 26 2013, In : Proceedings of the National Academy of Sciences of the United States of America. 110, 48, p. 19615-19620 6 p.

Research output: Contribution to journalArticle

46 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

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

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 journalArticle

9 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
2016
9 Scopus citations
2020
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

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 proceedingChapter

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

Research output: Contribution to journalArticle

15 Scopus citations
2013

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 journalArticle

7 Scopus citations

Approaches to vaccines against Orientia tsutsugamushi

Valbuena, G. & Walker, D. H., 2013, In : Frontiers in cellular and infection microbiology. 4, JAN, Article 170.

Research output: Contribution to journalArticle

2016

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 journalArticle

27 Scopus citations
2020
Open Access