Detecção de anticorpos anti-Rickettsia rickettsii em cães residentes em área negligenciada no município de São Paulo, SP, Brasil [PDF]
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020 RESUMO A febre maculosa brasileira (FMB), descrita inicialmente nos Estados Unidos como febre maculosa das Montanhas Rochosas, é uma antropozoonose relatada apenas no continente americano e causada pela bactéria Rickettsia rickettsii.
Z.Ê.S. Souza +9 more
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Fatal Human Infection with Rickettsia rickettsii, Yucatán, Mexico
Emerging Infectious Diseases, 2006 The first fatal Rickettsia rickettsii infection was diagnosed in the southwest of Mexico. The patient had fever, erythematous rash, abdominal pain, and severe central nervous system involvement with convulsive crisis. The diagnosis of R.
Jorge E. Zavala-Castro +8 more
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Atypical fulminant Rickettsia rickettsii infection (Brazilian spotted fever) presenting as septic shock and Adult Respiratory Distress Syndrome [PDF]
Brazilian Journal of Infectious Diseases, 2002 Brazilian spotted fever, caused by Rickettsia rickettsii, has been increasingly reported in Brazil especially in the southeastern states. The severe and fulminant forms of the disease are not unusual but most of the reported fatal cases have shown some ...
Costa Paulo Sérgio Gonçalves da +3 more
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Rickettsia rickettsii Co-feeding Transmission among Amblyomma aureolatum Ticks. [PDF]
Emerg Infect Dis, 2018 Amblyomma aureolatum ticks are vectors of Rickettsia rickettsii, the etiologic agent of Rocky Mountain spotted fever in Brazil. Maintenance of R. rickettsii in nature depends on horizontal transmission along tick generations.
Moraes-Filho J +4 more
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Susceptibility of Rickettsia rickettsii to Tigecycline in a Cell Culture Assay and Animal Model for Rocky Mountain Spotted Fever. [PDF]
Am J Trop Med Hyg, 2019 Rocky Mountain spotted fever (RMSF), caused by Rickettsia rickettsii, is a severe tick-borne infection endemic to the Americas. Oral doxycycline is effective, but during severe life-threatening disease, intravenous therapy is recommended.
Blanton LS +3 more
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Amblyomma sculptum Salivary PGE2 Modulates the Dendritic Cell-Rickettsia rickettsii Interactions in vitro and in vivo. [PDF]
Front Immunol, 2019 Amblyomma sculptum is an important vector of Rickettsia rickettsii, causative agent of Rocky Mountain spotted fever and the most lethal tick-borne pathogen affecting humans. To feed on the vertebrate host's blood, A. sculptum secretes a salivary mixture,
Esteves E +14 more
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Evasion of autophagy mediated by Rickettsia surface protein OmpB is critical for virulence [PDF]
Nature Microbiology, 2019 Rickettsia are obligate intracellular bacteria that evade antimicrobial autophagy in the host cell cytosol by unknown mechanisms. Other cytosolic pathogens block different steps of autophagy targeting, including the initial step of polyubiquitin-coat ...
Patrik Engström +2 more
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Aerosol infection of monkeys with Rickettsia rickettsii. [PDF]
Bacteriological Reviews, 1966 S Saslaw, H N Carlisle
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Rickettsia rickettsii Whole-Cell Antigens Offer Protection against Rocky Mountain Spotted Fever in the Canine Host. [PDF]
Infect Immun, 2019 Rocky Mountain spotted fever (RMSF) is a potentially fatal tick-borne disease in people and dogs. RMSF is reported in the United States and several countries in North, Central, and South America.
Alhassan A +13 more
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A new spotted fever group Rickettsia genotype in Haemaphysalis leporispalustris from Maine, USA [PDF]
Ticks and Tick-Borne DiseasesSpotted fever group (SFG) rickettsioses are increasingly recognized worldwide as threats to public health. Rickettsia rickettsii, Rickettsia parkeri, and Rickettsia rickettsii subspecies californica cause spotted fever rickettsioses, including Rocky ...
Guang Xu +5 more
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