Results 91 to 100 of about 1,833 (165)

2020 ACVIM Forum On Demand Research Abstract Program

, 2020
Journal of Veterinary Internal Medicine, Volume 34, Issue 6, Page 2830-2989, November/December 2020.
wiley   +1 more source

The Rickettsia actin-based motility effectors RickA and Sca2 contribute differently to cell-to-cell spread and pathogenicity

mBio
Rickettsia parkeri is an obligate intracellular, tick-borne bacterial pathogen that can cause eschar-associated rickettsiosis in humans. R. parkeri invades host cells, escapes from vacuoles into the cytosol, and undergoes two independent modes of actin ...
Cuong J. Tran, Zahra Zubair-Nizami, Ingeborg M. Langohr, Matthew D. Welch   +3 more
doaj   +1 more source

Amblyomma maculatum Immunomodulation in Mammalian Models of Rickettsia parkeri Rickettsiosis

, 2016
Rickettsia parkeri is an emerging human pathogen and spotted fever group Rickettsia that is transmitted via Amblyomma maculatum (the Gulf Coast tick) in the United States.
Banajee, Kaikhushroo Hormazd
core   +1 more source

Phylogenetic characterization of Rickettsia parkeri strains in ticks and their dispersion in endemic areas of the State of São Paulo

, 2022
A Febre Maculosa é uma doença infecciosa febril aguda, com gravidade variável. Em algumas regiões das Américas, uma forma mais branda da doença é causada pela espécie Rickettsia parkeri que é caracterizada por manifestações clínicas mais leves ...
Albuquerque, Michellin Pereira de
core   +1 more source

An epidemiological and serological study of Rickettsia in Western Australia

, 2011
The study was aimed at investigating Western Australian rickettsiae, delving deeper into the epidemiology of a recently described rickettsia, Rickettsia gravesii, and any other rickettsiae lurking in the Western Australian bush. Prior to the discovery of
Abdad, Mohammad
core  

Eschars at Amblyomma ovale tick attachment sites: morphology of Rickettsia parkeri infected and uninfected lesions

, 2020
Two well characterized tick-borne rickettsiosis occur in Brazil. Rickettsia rickettsii caused spotted-fever is a severe disease with a high case-fatality rate in the southeastern region of the country whereas Rickettsia parkeri strain Atlantic rainforest
Rodrigues, Alessandra Castro
core   +1 more source

Febre Maculosa por Rickettsia parkeri no Brasil: condutas de vigilância epidemiológica, diagnóstico e tratamento

, 2018
Introdução: A febre maculosa (FM) é uma doença infecciosa, aguda, transmitida por carrapatos, e de gravidade variável. No Brasil, recentemente, tem sido descrita uma nova FM causada por Rickettsia parkeri, cujo perfil clínico, epidemiológico e ...
Stefan Vilges de Oliveira, Marcelo B. Labruna, Faccini-Martínez, Álvaro A., Labruna, Marcelo B., Cerutti Junior, Crispim, Oliveira, Stefan Vilges de, Álvaro A. Faccini-Martínez, Crispim Cerutti Junior   +7 more
core   +1 more source

Unique Strain of Rickettsia parkeri Associated with the Hard Tick Dermacentor parumapertus Neumann in the Western United States [PDF]

, 2017
In 1953, investigators at the Rocky Mountain Laboratories in Hamilton, MT, described the isolation of a spotted fever group Rickettsia (SFGR) species from Dermacentor parumapertus ticks collected from black-
Travis C. Smith, Jana M. Ritter, Ritter, Jana M, Jerome Goddard, Sandor E. Karpathy, Allerdice, Michelle EJ, Tom Becker, Paddock, Christopher D, Michelle E. J. Allerdice, Knight, Robert N, Sanders, Jeanine H, William L. Nicholson, Delph, Robert J, Smith, Travis C, Christopher D. Paddock, Nicholson, William L, Karpathy, Sandor E, Becker, Tom, Robert J. Delph, Goddard, Jerome, Levin, Michael L, Michael L. Levin, Robert N. Knight, Jeanine H. Sanders   +23 more
core   +1 more source

A biosafety level-2 dose-dependent lethal mouse model of spotted fever rickettsiosis: Rickettsia parkeri Atlantic Rainforest strain.

PLoS Neglected Tropical Diseases, 2019
BackgroundThe species of the Rickettsia genus are separated into four groups: the ancestral group, typhus group, transitional group and spotted fever group.
Andrés F Londoño, Nicole L Mendell, David H Walker, Donald H Bouyer   +3 more
doaj   +1 more source

Rickettsia parkeri as a Probable Agent of Mild Spotted-Fever Group Rickettsiosis Identified by Seroreactivity in Villeta, Colombia

Tropical Medicine and Infectious Disease
Spotted fever group (SFG) rickettsioses are emerging zoonotic diseases of increasing relevance in Latin America, yet the specific species involved in human infections remain poorly defined in many endemic regions.
Carlos Ramiro Silva-Ramos, Peter C. Melby, Patricia V. Aguilar, Miguel M. Cabada, Juan David Rodas, Marylin Hidalgo, Álvaro A. Faccini-Martínez   +6 more
doaj   +1 more source