‘Candidatus Rickettsia andeanae’ and Probable Exclusion of Rickettsia parkeri in Ticks from Dogs in a Natural Area of the Pampa Biome in Brazil [PDF]
Pathogens, 2023 Spotted fever illness caused by the tick-borne pathogen Rickettsia parkeri has emerged in the Pampa biome in southern Brazil, where the tick Amblyomma tigrinum is implicated as the main vector.
Felipe S. Krawczak +8 more
doaj +2 more sources
Eco-epidemiology of Rickettsia amblyommatis and Rickettsia parkeri in naturally infected ticks (Acari: Ixodida) from South Carolina [PDF]
Parasites & VectorsBackground Spotted fever group Rickettsia (SFGR) is the largest group of Rickettsia species of clinical and veterinary importance emerging worldwide.
Lídia Gual-Gonzalez +8 more
doaj +2 more sources
Host glutathione is required for Rickettsia parkeri cell division and intracellular survival [PDF]
Nature CommunicationsIntracellular bacteria rely on eukaryotic metabolites for their fitness and pathogenesis. Yet, the mechanisms of how host metabolites promote bacterial physiology and immune evasion are often unclear.
Han Sun +3 more
doaj +2 more sources
Detection of Rickettsia spp. in Ticks from Domestic Dogs Living in Seven Major Indigenous Communities of Rio de Janeiro State, Brazil [PDF]
Pathogens(1) Background: Although Brazilian indigenous communities of Rio de Janeiro State, southeastern Brazil, have been mostly located in conservation units and more likely exposed to ticks and tick-borne diseases, such environmental exposure remains to be ...
Amanda Scardini Leon Isaac +14 more
doaj +2 more sources
Molecular Confirmation of Rickettsia parkeri in Amblyomma ovale Ticks, Veracruz, Mexico [PDF]
Emerging Infectious Diseases, 2019 We found Rickettsia parkeri in Amblyomma ovale ticks collected in Veracruz, Mexico, in 2018. We sequenced gene segments of gltA, htrA, sca0, and sca5; phylogenetic reconstruction revealed near-complete identity with R. parkeri strain Atlantic Rainforest.
Sokani Sánchez-Montes +15 more
doaj +2 more sources
Rickettsia parkeri and Candidatus Rickettsia andeanae in Tick of the Amblyomma maculatum Group, Mexico [PDF]
Emerging Infectious Diseases, 2019 We report Rickettsia parkeri and Candidatus Rickettsia andeanae in ticks of the Amblyomma maculatum group collected from dogs in Sonora, Mexico. Molecular characterization of these bacteria was accomplished by DNA amplification and sequence analysis of ...
Jesús Delgado-de la Mora +11 more
doaj +2 more sources
Distribution and Occurrence of Amblyomma maculatum sensu lato (Acari: Ixodidae) and Rickettsia parkeri (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017-2019. [PDF]
Journal of Medical Entomology, 2020 Sandor E Karpathy +2 more
exaly +2 more sources
Frontiers in Cellular and Infection Microbiology, 2022 BackgroundTicks are the primary vectors of emerging and resurging pathogens of public health significance worldwide. Analyzing tick bacterial composition, diversity, and functionality across developmental stages and tissues is crucial for designing new ...
Abdulsalam Adegoke +5 more
doaj +1 more source
Amblyomma maculatum Feeding Augments Rickettsia parkeri Infection in a Rhesus Macaque Model: A Pilot Study. [PDF]
PLoS ONE, 2015 Rickettsia parkeri is an emerging eschar-causing human pathogen in the spotted fever group of Rickettsia and is transmitted by the Gulf coast tick, Amblyomma maculatum.
Kaikhushroo H Banajee +5 more
doaj +1 more source
Phylogenetic Evidence for the Existence of Multiple Strains of Rickettsia parkeri in the New World. [PDF]
Applied and Environmental Microbiology, 2018 Rita de Sousa +2 more
exaly +2 more sources