Results 91 to 100 of about 30,778 (314)

Transmission dynamics and control of Rickettsia rickettsii in populations of Hydrochoerus hydrochaeris and Amblyomma sculptum

open access: yesPLoS Neglected Tropical Diseases, 2017
Background Brazilian Spotted Fever (BSF), caused by the bacterium Rickettsia rickettsii, is the tick-borne disease that generates the largest number of human deaths in the world. In Brazil, the current increase of BSF human cases has been associated with
Gina Polo   +3 more
semanticscholar   +1 more source

First records of the ticks Amblyomma calcaratum and A. pacae (Acari: Ixodidae) parasitizing mammals of Mexico Primeros registros de las garrapatas Amblyomma calcaratum y A. pacae (Acari: Ixodidae) parasitando mamíferos de México

open access: yesRevista Mexicana de Biodiversidad, 2006
Based on study of ticks deposited in the Colección Nacional de Ácaros, Instituto de Biología, Universidad Nacional Autónoma de México, we report the first records in Mexico for two species of Amblyomma: Amblyomma calcaratum ex Tamandua mexicana, and ...
Carmen Guzmán-Cornejo   +3 more
doaj  

Rickettsia spp. and Anaplasmataceae in Ticks From Domestic Animals in Northern Colombia

open access: yesZoonoses and Public Health, Volume 72, Issue 5, Page 421-434, August 2025.
ABSTRACT Introduction Tick‐borne diseases have a significant impact on public and animal health and represent a considerable financial burden on livestock farming. However, in many regions of Latin America, comprehensive epidemiological data, including species identification, geographical distribution and molecular profiling of ticks and their ...
Maria Badillo‐Viloria   +9 more
wiley   +1 more source

WILD ANIMALS TICKS IN THE CERRADO BIOME SCREENED BY THE CETAS, IBAMA-GOIÁS

open access: yesCiência Animal Brasileira, 2016
Cerrado biome has around 320,000 species of animals and it occupies approximately 25% of the Brazilian territory. This great number of species stimulates the illegal trafficking of wild animals.
Thiago Souza Azeredo Bastos   +4 more
doaj  

New tick records in Rondônia, Western Brazilian Amazon Novos relatos de carrapatos em Rondônia, Amazônia ocidental brasileira

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
In the present study, we provide new tick records from Vilhena Municipality, in the Southeast of the State of Rondônia, Northern Brazil. Ticks collected from a capybara, Hydrochoerus hydrochaeris (Linnaeus), were identified as Amblyomma romitii Tonelli ...
Marcelo Bahia Labruna   +4 more
doaj   +1 more source

Investigation of Anti‐IgG Antibody Responses to the 17‐kDa Outer Membrane Protein of Rickettsia japonica in Individuals From a High‐Risk Area for Japanese Spotted Fever

open access: yesExperimental Dermatology, Volume 34, Issue 7, July 2025.
ABSTRACT This study evaluated the seroprevalence and persistence of IgG antibodies against Rickettsia japonica's outer membrane protein (Omp) using a recombinant 17‐kDa antigen and Western blot analysis in residents of Minamiise, Japan—a high‐incidence Japanese spotted fever (JSF) area—and in individuals from non‐endemic regions.
Makoto Kondo   +2 more
wiley   +1 more source

Survey of vector-borne agents in feral cats and first report of Babesia gibsoni in cats on St Kitts, West Indies [PDF]

open access: yes, 2017
Background: As there is little data on vector-borne diseases of cats in the Caribbean region and even around the world, we tested feral cats from St Kitts by PCR to detect infections with Babesia, Ehrlichia and spotted fever group Rickettsia (SFGR) and
Branford, Gillian Carmichael   +8 more
core   +1 more source

The Amblyomma maculatum Koch, 1844 (Acari: Ixodidae) group of ticks: phenotypic plasticity or incipient speciation?

open access: yesParasites & Vectors, 2018
The goal of this study was to reassess the taxonomic status of A. maculatum, A. triste and A. tigrinum by phylogenetic analysis of five molecular markers [four mitochondrial: 12S rDNA, 16S rDNA, the control region (DL) and cytochrome c oxidase 1 (cox1 ...
P. Lado   +14 more
semanticscholar   +1 more source

Ticks infesting amphibians and reptiles in Pernambuco, Northeastern Brazil Carrapatos infestando anfíbios e répteis em Pernambuco, Nordeste do Brasil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2008
Ticks infesting amphibians and reptiles in the State of Pernambuco are reviewed, based on the current literature and new collections recently carried out by the authors. To date, three tick species have been found on amphibians and reptiles in Pernambuco.
Filipe Dantas-Torres   +5 more
doaj   +1 more source

The Immunology of Alpha‐Gal Syndrome: History, Tick Bites, IgE, and Delayed Anaphylaxis to Mammalian Meat

open access: yesImmunological Reviews, Volume 332, Issue 1, July 2025.
ABSTRACT The primary features of the alpha‐gal syndrome (AGS) are (i) The IgE ab that are causally related to anaphylaxis with infusions of Cetuximab are specific for galactose alpha‐1,3‐galactose. (ii) In the USA, this IgE ab is induced by bites of the tick Amblyomma americanum. (iii) The anaphylactic reactions to food derived from non‐primate mammals
Thomas A. E. Platts‐Mills   +3 more
wiley   +1 more source

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