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    Academic Journals

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• Ehrlichia chaffeensis Infection in the Reservoir Host (White-Tailed Deer) and in an Incidental Host (Dog) Is Impacted by Its Prior Growth in Macrophage and Tick Cell Environments

  Authors:Arathy D. S. Nair, Chuanmin Cheng, Deborah C. Jaworski, Lloyd H. Willard, Michael W. Sanderson, and Roman R. GantaFrom:PLoS ONE (Vol. 9, Issue 10) Peer-Reviewed

  Oct. 10, 20148,882 words Article 1540LEhrlichia chaffeensis, transmitted from Amblyomma americanum ticks, causes human monocytic ehrlichiosis. It also infects white-tailed deer, dogs and several other vertebrates. Deer are its reservoir hosts, while humans...

• Aggregate-Reactivation Activity of the Molecular Chaperone ClpB from Ehrlichia chaffeensis

  Authors:Ting Zhang, Sabina Kedzierska-Mieszkowska, Huitao Liu, Chuanmin Cheng, Roman R. Ganta, and Michal ZolkiewskiFrom:PLoS ONE (Vol. 8, Issue 5) Peer-Reviewed

  May 7, 20137,582 words Article 1440LRickettsiale diseases, including human monocytic ehrlichiosis caused by Ehrlichia chaffeensis, are the second leading cause of the tick-borne infections in the USA and a growing health concern. Little is known about how...

• Transmission Electron Microscopy Reveals Distinct Macrophage- and Tick Cell-Specific Morphological Stages of Ehrlichia chaffeensis

  Authors:Sarah E. Dedonder, Chuanmin Cheng, Lloyd H. Willard, Daniel L. Boyle, and Roman R. GantaFrom:PLoS ONE (Vol. 7, Issue 5) Peer-Reviewed

  May 15, 20126,924 words Article 1500LAuthor(s): Sarah E. Dedonder 1 , Chuanmin Cheng 1 , Lloyd H. Willard 1 , Daniel L. Boyle 2 , Roman R. Ganta 1 , * Introduction Ehrlichia chaffeensis is a Gram negative obligate intracellular pathogen that is...

• Comparative Experimental Infection Study in Dogs with Ehrlichia canis, E. chaffeensis, Anaplasma platys and A. phagocytophilum

  Authors:Arathy D. S. Nair, Chuanmin Cheng, Chanran K. Ganta, Michael W Sanderson, Arthur R. Alleman, Ulrike G. Munderloh, et al.From:PLoS ONE (Vol. 11, Issue 2) Peer-Reviewed

  Feb. 3, 20167,798 words Report 1430LDogs acquire infections with the Anaplasmataceae family pathogens, E. canis, E. chaffeensis, E. ewingii, A. platys and A. phagocytophilum mostly during summer months when ticks are actively feeding on animals. These...

• Bayesian Spatio-Temporal Analysis and Geospatial Risk Factors of Human Monocytic Ehrlichiosis

  Authors:Ram K. Raghavan, Daniel Neises, Douglas G. Goodin, Daniel A. Andresen, and Roman R. GantaFrom:PLoS ONE (Vol. 9, Issue 7) Peer-Reviewed

  July 3, 20145,325 words Article 1640LVariations in spatio-temporal patterns of Human Monocytic Ehrlichiosis (HME) infection in the state of Kansas, USA were examined and the relationship between HME relative risk and various environmental, climatic and...

• Bayesian Space-Time Patterns and Climatic Determinants of Bovine Anaplasmosis

  Authors:Gregg A. Hanzlicek, Ram K. Raghavan, Roman R. Ganta, and Gary A. AndersonFrom:PLoS ONE (Vol. 11, Issue 3) Peer-Reviewed

  Mar. 22, 20165,118 words Article 1740LThe space-time pattern and environmental drivers (land cover, climate) of bovine anaplasmosis in the Midwestern state of Kansas was retrospectively evaluated using Bayesian hierarchical spatio-temporal models and...

• Mutations in Ehrlichia chaffeensis Causing Polar Effects in Gene Expression and Differential Host Specificities

  Authors:Chuanmin Cheng, Arathy D. S. Nair, Deborah C. Jaworski, and Roman R. GantaFrom:PLoS ONE (Vol. 10, Issue 7) Peer-Reviewed

  July 17, 20155,829 words Article 1510LEhrlichia chaffeensis, a tick-borne rickettsial, is responsible for human monocytic ehrlichiosis. In this study, we assessed E. chaffeensis insertion mutations impacting the transcription of genes near the insertion...

• Vaccination with an Attenuated Mutant of Ehrlichia chaffeensis Induces Pathogen-Specific CD4.sup.+ T Cell Immunity and Protection from Tick-Transmitted Wild-Type Challenge in the Canine Host

  Authors:Jodi L. McGill, Arathy D. S. Nair, Chuanmin Cheng, Rachel A. Rusk, Deborah C. Jaworski, and Roman R. GantaFrom:PLoS ONE (Vol. 11, Issue 2) Peer-Reviewed

  Feb. 3, 20166,826 words Report 1540LEhrlichia chaffeensis is a tick-borne rickettsial pathogen and the causative agent of human monocytic ehrlichiosis. Transmitted by the Amblyomma americanum tick, E. chaffeensis also causes disease in several other...

• Central angiotensin II-enhanced splenic cytokine gene expression is mediated by the sympathetic nervous system

  Authors:Chanran K. Ganta, Ning Lu, Bryan G. Helwig, Frank Blecha, Roman R. Ganta, Ling Zheng, et al.From:American Journal of Physiology (Consolidated) (Vol. 289, Issue 4) Peer-Reviewed

  Oct. 2005195 words Author abstract

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• Use of Drosophila S2 cells as a model for studying Ehrlichia chaffeensis infections

  Authors:Alison Luce-Fedrow, Tonia Von Ohlen, Daniel Boyle, Roman R. Ganta, and Stephen K. ChapesFrom:Applied and Environmental Microbiology (Vol. 74, Issue 6) Peer-Reviewed

  Mar. 200845 words Article

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• Assessing the current and future potential geographic distribution of the American dog tick, Dermacentor variabilis (Say) (Acari: Ixodidae) in North America.

  Authors:Gunavanthi D. Y. Boorgula, A. Townsend Peterson, Desmond H. Foley, Roman R. Ganta, and Ram K. RaghavanFrom:PLoS ONE (Vol. 15, Issue 8) Peer-Reviewed

  Aug. 10, 20206,520 words Report 1580LThe American dog tick, Dermacentor variabilis, is a veterinary- and medically- significant tick species that is known to transmit several diseases to animal and human hosts. The spatial distribution of this species in...

• Hypothermia-enhanced splenic cytokine gene expression is independent of the sympathetic nervous system

  Authors:Chanran K. Ganta, Bryan G. Helwig, Frank Blecha, Roman R. Ganta, Richard Cober, Sujatha Parimi, et al.From:American Journal of Physiology (Consolidated) (Vol. 291, Issue 3) Peer-Reviewed

  Sept. 2006206 words Author abstract 60L

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• Hierarchical Bayesian Spatio-Temporal Analysis of Climatic and Socio-Economic Determinants of Rocky Mountain Spotted Fever

  Authors:Ram K. Raghavan, Douglas G. Goodin, Daniel Neises, Gary A. Anderson, and Roman R. GantaFrom:PLoS ONE (Vol. 11, Issue 3) Peer-Reviewed

  Mar. 4, 20166,715 words Report 1700LThis study aims to examine the spatio-temporal dynamics of Rocky Mountain spotted fever (RMSF) prevalence in four contiguous states of Midwestern United States, and to determine the impact of environmental and...