XLIX.—On Felis ocreata, better known as Felis caligata, and its subspecies
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Rickettsia Felis Infection in Cat Fleas Ctenocephalides Felis Felis
The present study evaluated the rickettsial infection in a laboratory colony of cat fleas, Ctenocephalides felis felis (Bouche) in Brazil. All flea samples (30 eggs, 30 larvae, 30 cocoons, 30 males, and 30 females) tested by polymerase chain reaction (PCR) were shown to contain rickettsial DNA. PCR products, corresponding to the rickettsial gltA, htrA, ompA and ompB gene partial sequences were ...
متن کاملInfestations of calves with Ctenocephalides felis felis
On the 4th of September 2007, the clinician incharge of the calf rearing unit of a dairy farm INTRODUCTION Fleas are parasitic insects which are found all over the world. They are wingless insects 1.5-4.0mm long, have a laterally compressed body and are different from lice in they are flattened dorso-ventrally, and are covered with a hard, shiny coating, like an external skeleton, which helps t...
متن کاملRickettsia felis in Ctenocephalides felis from Guatemala and Costa Rica.
Rickettsia felis is an emerging human pathogen associated primarily with the cat flea Ctenocephalides felis. In this study, we investigated the presence of Rickettsia felis in C. felis from Guatemala and Costa Rica. Ctenocephalides felis were collected directly from dogs and cats, and analyzed by polymerase chain reaction for Rickettsia-specific fragments of 17-kDa protein, OmpA, and citrate sy...
متن کاملCutaneous reaction due to ctenocephalides felis felis: a case report
Introduction: Fleas are small, blood-sucking insects that can transmit some pathogens to human and animals. Case Report: This paper presents a 21-year-old woman with severe skin reactions in her right forearm. After initial examinations, the symptoms were recognized as skin reaction caused by the bite of some human blood-sucking insects. Finally, after 15 days of flea bites, the symptoms wer...
متن کاملRickettsia felis (Rickettsiales: Rickettsiaceae) in Ctenocephalides felis felis (Siphonaptera: Pulicidae) in the State of São Paulo, Brazil [Rickettsia felis (Rickettsiales: Rickettsiaceae) em Ctenocephalides felis felis (Siphonaptera: Pulicidae) no estado de São Paulo]
Samples of 10 and 14 Ctenocephalides felis felis fleas were collected on dogs from Pedreira and Mogi das Cruzes municipalities, respectively, in the State of São Paulo, Brazil, for detection of Rickettsia spp. Individual fleas were submitted to Polymerase Chain Reaction targeting the 17-kDa and the 190-kDa (OmpA) genes of Rickettsiae. This later gene is specific for spotted fever group. Nine fl...
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ژورنال
عنوان ژورنال: Annals and Magazine of Natural History
سال: 1904
ISSN: 0374-5481
DOI: 10.1080/00222930408562473