Results 151 to 160 of about 21,637 (264)

Study of infection by Rickettsiae of the spotted fever group in humans and ticks in an urban park located in the City of Londrina, State of Paraná, Brazil Estudo da infecção por Rickettsias do grupo da febre maculosa em humanos e carrapatos de um parque urbano na Cidade de Londrina, Estado do Paraná

Revista da Sociedade Brasileira de Medicina Tropical, 2011
INTRODUCTION: Spotted fevers are emerging zoonoses caused by Rickettsia species in the spotted fever group (SFG). Rickettsia rickettsii is the main etiologic agent of Brazilian spotted fever (BSF) and it is transmitted by Amblyomma spp. ticks.
Roberta Santos Toledo, Katia Tamekuni, Mauro de Freitas Silva Filho, Valeska Bender Haydu, Richard Campos Pacheco, Marcelo Bahia Labruna, John Stephen Dumler, Odilon Vidotto   +7 more
doaj  

Anti-Rickettsia spp. antibodies in free-ranging and captive capybaras from southern Brazil

Pesquisa Veterinária Brasileira, 2011
Capybaras (Hydrochaeris hydrochaeris) are among the main hosts of Amblyomma spp. ticks, which is able to transmit Rickettsia species to human beings and animals.
Fernanda S. Fortes, Leonilda C. Santos, Zalmir S. Cubas, Ivan R. Barros-Filho, Alexander W. Biondo, Iara Silveira, Marcelo B. Labruna, Marcelo B. Molento   +7 more
doaj   +1 more source

Survey of rickettsiae in humans, dogs, horses, and ticks in Northern Paraná, Brazil
Levantamento de riquétsias em humanos, cães, cavalos e carrapatos no Norte do Paraná, Brasil

Semina: Ciências Agrárias, 2011
Brazilian Spotted Fever is a disease caused by Rickettsia rickettsii, and is transmitted to humans and animals by Amblyomma spp. The objective of this work was to study the epidemiology of spotted fever group rickettsiae in rural areas of Northern Parana.
John Stephen Dumler, Marcelo Bahia Labruna, Richard Campos Pacheco, Valeska Bender Haydu, Mauro de Freitas Silva Filho, Roberta dos Santos Toledo, Katia Tamekuni, Odilon Vidotto   +7 more
doaj   +1 more source

Serological evidence of exposure to tick-borne agents in opossums (Didelphis spp.) in the state of São Paulo, Brazil

Revista Brasileira de Parasitologia Veterinária, 2016
This work involved a serological investigation of tick-borne pathogens in opossums in eight municipalities of the state of São Paulo, Brazil. Serum samples from 109 opossums (91 Didelphis aurita and 18 Didelphis albiventris) were tested to detect ...
Andréia Lima Tomé Melo, Daniel Moura de Aguiar, Mariana Granziera Spolidorio, Natalino Hajime Yoshinari, Eliana Reiko Matushima, Marcelo Bahia Labruna, Mauricio Claudio Horta   +6 more
doaj   +1 more source

Bacteria as biological warfare [PDF]

, 2011
Biološko oružje je namjerna uporaba bilo kojeg patogenog mikroorganizma (bakterija, virusa, gljivica ili praživotinja) kao sredstvo ratovanja (onesposobljavanja ili usmrćivanja pojedinaca, bilo vojnih ili civila te uništavanja gospodarski ili vojno ...
Bunoza, Ante
core   +2 more sources

Identification of Rickettsia rickettsii in formalin-fixed, paraffin-embedded tissues by immunofluorescence [PDF]

, 1978
Wendy Hall, Lauren R. Bagley
openalex   +1 more source

Limited Transcriptional Responses of Rickettsia rickettsii Exposed to Environmental Stimuli

PLoS ONE, 2009
Rickettsiae are strict obligate intracellular pathogens that alternate between arthropod and mammalian hosts in a zoonotic cycle. Typically, pathogenic bacteria that cycle between environmental sources and mammalian hosts adapt to the respective environments by coordinately regulating gene expression such that genes essential for survival and virulence
Daniel E. Sturdevant, Damon W. Ellison, Ted Hackstadt, Tina R. Clark, Kimmo Virtaneva   +4 more
openaire   +5 more sources

Origin and Structure of the Group-Specific, Complement-Fixing Antigen of Rickettsia rickettsii [PDF]

, 1974
T. Tzianabos, E. L. Palmer, John F. Obijeski, M. L. Martin   +3 more
openalex   +1 more source

Completed genomes for <i>Rickettsia rickettsii</i> isolated from ticks and quality controlled for motility phenotype. [PDF]

Microbiol Resour Announc, 2023
Nock AM, Clark TR, Barbian K, Martens C, Hackstadt T.   +4 more
europepmc   +1 more source

A ocorrência de riquetsioses do grupo Rickettsia rickettsii [PDF]

, 1983
Dalva Assunção Portari Mancini, Elvira Maria Mendes do Nascimento, Valéria Rosa Tavares, Murillo Adelino Soares   +3 more
openalex   +1 more source