Update on tick-borne rickettsioses around the world: a geographic approach
P Parola, CD Paddock, C Socolovschi… - Clinical microbiology …, 2013 - Am Soc Microbiol
Tick-borne rickettsioses are caused by obligate intracellular bacteria belonging to the
spotted fever group of the genus Rickettsia. These zoonoses are among the oldest known …
spotted fever group of the genus Rickettsia. These zoonoses are among the oldest known …
Ecology, biology and distribution of spotted-fever tick vectors in Brazil
Spotted-fever-caused Rickettsia rickettsii infection is in Brazil the major tick-borne zoonotic
disease. Recently, a second and milder human rickettsiosis caused by an agent genetically …
disease. Recently, a second and milder human rickettsiosis caused by an agent genetically …
Epidemiology of Brazilian spotted fever in the Atlantic Forest, state of São Paulo, Brazil
The tick-borne bacterium Rickettsia rickettsii is the aetiological agent of Brazilian spotted
fever (BSF). The present study evaluated tick infestations on wild and domestic animals, and …
fever (BSF). The present study evaluated tick infestations on wild and domestic animals, and …
Neglected aspects of tick-borne rickettsioses
Rickettsioses are among the oldest known infectious diseases. In spite of this, and of the
extensive research carried out, many aspects of the biology and epidemiology of tick-borne …
extensive research carried out, many aspects of the biology and epidemiology of tick-borne …
Challenges posed by tick-borne rickettsiae: eco-epidemiology and public health implications
ME Eremeeva, GA Dasch - Frontiers in public health, 2015 - frontiersin.org
Rickettsiae are obligately intracellular bacteria that are transmitted to vertebrates by a variety
of arthropod vectors, primarily by fleas and ticks. Once transmitted or experimentally …
of arthropod vectors, primarily by fleas and ticks. Once transmitted or experimentally …
Pathogenicity and virulence of Rickettsia
Rickettsiae include diverse Gram-negative microbial species that exhibit obligatory
intracellular lifecycles between mammalian hosts and arthropod vectors. Human infections …
intracellular lifecycles between mammalian hosts and arthropod vectors. Human infections …
[HTML][HTML] Syndromic classification of rickettsioses: an approach for clinical practice
ÁA Faccini-Martínez, L García-Álvarez… - International Journal of …, 2014 - Elsevier
Rickettsioses share common clinical manifestations, such as fever, malaise, exanthema, the
presence or absence of an inoculation eschar, and lymphadenopathy. Some of these …
presence or absence of an inoculation eschar, and lymphadenopathy. Some of these …
Rickettsial infection in Amblyomma cajennense ticks and capybaras (Hydrochoerus hydrochaeris) in a Brazilian spotted fever-endemic area
Background Brazilian spotted fever (BSF), caused by the bacterium Rickettsia rickettsii, is
the deadliest spotted fever of the world. In most of the BSF-endemic areas, capybaras …
the deadliest spotted fever of the world. In most of the BSF-endemic areas, capybaras …
Transovarial transmission of pathogenic protozoa and rickettsial organisms in ticks
R Ravindran, PK Hembram, GS Kumar, KGA Kumar… - Parasitology …, 2023 - Springer
Transovarial transmission (TOT) is an efficient vertical transmission of pathogens that is
observed in many arthropod vectors. This method seems to be an evolutionarily unique …
observed in many arthropod vectors. This method seems to be an evolutionarily unique …
Experimental infection of the tick Amblyomma cajennense, Cayenne tick, with Rickettsia rickettsii, the agent of Rocky Mountain spotted fever
JF Soares, HS Soares, AM Barbieri… - Medical and veterinary …, 2012 - Wiley Online Library
In the laboratory, Amblyomma cajennense (Acari: Ixodidae)(Fabricius) larvae, nymphs and
adults were exposed to Rickettsia rickettsii by feeding on needle‐inoculated animals, and …
adults were exposed to Rickettsia rickettsii by feeding on needle‐inoculated animals, and …