Results 1 to 10 of about 1,267 (123)

Rickettsiaceae and Anaplasmataceae infections in Ixodes ricinus ticks from urban and natural forested areas of Poland [PDF]

Parasites & Vectors, 2014
Background Ixodes ricinus is a major vector for a range of microbial pathogens and the most prevalent and widely distributed tick species on the European continent, occurring in both natural and urban habitats.
Renata Welc-Falęciak, Maciej Kowalec, Grzegorz Karbowiak, Anna Bajer, Jerzy M Behnke, Edward Siński   +5 more
doaj   +3 more sources

High Diversity and Prevalence of Rickettsial Agents in Rhipicephalus microplus Ticks from Livestock in Karst Landscapes of Southwest China [PDF]

Microorganisms
Ticks and tick-borne pathogens pose a significant threat to human and animal health, yet the diversity and prevalence of tick-borne microorganisms in karst regions remains inadequately explored.
Ya-Ting Liu, Yi-Fei Wang, Ming-Zhu Zhang, Dai-Yun Zhu, Yi Sun, Cai-Wei Gong, Lin Zhan, Xiao-Ming Cui, Wu-Chun Cao   +8 more
doaj   +2 more sources

'Candidatus Megaira polyxenophila' gen. nov., sp. nov.: considerations on evolutionary history, host range and shift of early divergent rickettsiae. [PDF]

PLoS ONE, 2013
"Neglected Rickettsiaceae" (i.e. those harboured by non-hematophagous eukaryotic hosts) display greater phylogenetic variability and more widespread dispersal than pathogenic ones; yet, the knowledge about their actual host range and host shift mechanism
Martina Schrallhammer, Filippo Ferrantini, Claudia Vannini, Stefano Galati, Michael Schweikert, Hans-Dieter Görtz, Franco Verni, Giulio Petroni   +7 more
doaj   +1 more source

Rickettsia vini n. sp. (Rickettsiaceae) infecting the tick Ixodes arboricola (Acari: Ixodidae) [PDF]

Parasites & Vectors, 2016
Recently, a new rickettsia named 'Candidatus Rickettsia vini' belonging to the spotted fever group has been molecularly detected in Ixodes arboricola ticks in Spain, the Czech Republic, Slovakia and Turkey, with prevalence reaching up to 100 %. The aim of this study was to isolate this rickettsia in pure culture, and to describe it as a new Rickettsia ...
Marketa Novakova, Francisco B. Costa, Frantisek Krause, Ivan Literak, Marcelo B. Labruna   +4 more
openaire   +2 more sources

Bacterial Community Changes in Penaeus vannamei Boone, 1931 Surface and Rearing Water During Enterocytozoon hepatopenaei Infection

Asian Fisheries Science, 2021
White faeces syndrome is one of the major disease problems in shrimp aquaculture, resulting in enormous economic losses to farmers. Although white faeces syndrome is usually associated with Enterocytozoon hepatopenaei (EHP) infections, it may not be the ...
PALLAVI BALIGA, PUNEETH THADOORU GOOLAPPA, MALATHI SHEKAR, S.K. GIRISHA, K.S. RAMESH, VILASINI UDYAVARA, M.N. VENUGOPAL   +6 more
doaj   +1 more source

Impacts of Low Temperatures on Wolbachia (Rickettsiales: Rickettsiaceae)-Infected Aedes aegypti (Diptera: Culicidae)

Journal of Medical Entomology, 2020
AbstractIn recent decades, the occurrence and distribution of arboviral diseases transmitted by Aedes aegypti mosquitoes has increased. In a new control strategy, populations of mosquitoes infected with Wolbachia are being released to replace existing populations and suppress arboviral disease transmission.
Meng-Jia Lau, Perran A Ross, Nancy M Endersby-Harshman, Ary A Hoffmann   +3 more
openaire   +3 more sources

Feeding byAmblyomma maculatum(Acari: Ixodidae) EnhancesRickettsia parkeri(Rickettsiales: Rickettsiaceae) Infection in the Skin [PDF]

Journal of Medical Entomology, 2014
Rickettsia parkeri Luckman (Rickettsiales: Rickettsiaceae), a member of the spotted fever group of Rickettsia, is the tick-borne causative agent of a newly recognized, eschar-associated rickettsiosis. Because of its relatively recent designation as a pathogen, few studies have examined the pathogenesis of transmission of R.
Britton J, Grasperge, Timothy W, Morgan, Christopher D, Paddock, Karin E, Peterson, Kevin R, Macaluso   +4 more
openaire   +2 more sources

Vigilancia de la infección por Rickettsia sp. en capibaras (Hydrochoerus hydrochaeris) un modelo potencial de alerta epidemiológica en zonas endémicas

Biomédica: revista del Instituto Nacional de Salud, 2011
Introducción. Los capibaras o chigüiros (Hydrochoerus hydrochaeris) son huéspedes amplificadores de Rickettsia sp. Usualmente se encuentran parasitados por la garrapata Amblyomma cajennense, principal vector de rickettsiosis en Suramérica.
Jorge Miranda, Verónica Contreras, Yesica Negrete, Marcelo B. Labruna, Salim Mattar   +4 more
doaj   +1 more source

Exploring the Niche of Rickettsia montanensis (Rickettsiales: Rickettsiaceae) Infection of the American Dog Tick (Acari: Ixodidae), Using Multiple Species Distribution Model Approaches [PDF]

Journal of Medical Entomology, 2020
Abstract The American dog tick, Dermacentor variabilis (Say) (Acari: Ixodidae), is a vector for several human disease-causing pathogens such as tularemia, Rocky Mountain spotted fever, and the understudied spotted fever group rickettsiae (SFGR) infection caused by Rickettsia montanensis.
Catherine A. Lippi, Holly D. Gaff, Alexis L. White, Heidi K. St. John, Allen L. Richards, Sadie J. Ryan   +5 more
openaire   +4 more sources

Established Population of the Gulf Coast Tick, Amblyomma maculatum (Acari: Ixodidae), Infected with Rickettsia parkeri (Rickettsiales: Rickettsiaceae), in Connecticut

Journal of Medical Entomology, 2021
Abstract We identified an established population of the Gulf Coast tick (Amblyomma maculatum Koch) infected with Rickettsia parkeri in Connecticut, representing the northernmost range limit of this medically relevant tick species. Our finding highlights the importance of tick surveillance and public health challenges posed by geographic ...
Goudarz Molaei, Eliza A H Little, Noelle Khalil, Bryan N Ayres, William L Nicholson, Christopher D Paddock   +5 more
openaire   +2 more sources