Results 51 to 60 of about 17,046 (217)

Morphological Abnormalities and Biological Effects in the Porto Alegre Strain of Rhipicephalus microplus

Entomological Research, Volume 56, Issue 3, March 2026.
ABSTRACT Rhipicephalus microplus is a widespread tick species causing significant economic losses and transmitting pathogens to cattle. The R. microplus populations utilized in tick research are frequently maintained under laboratory conditions for many years.
Arlex Rodríguez‐Durán, Lucas Teixeira de Castro, David Driemeier, Jesús Alfredo Cortés‐Vecino, Luís Fernando Parizi, Itabajara da Silva Vaz Junior   +5 more
wiley   +1 more source

Ticks and tick‐borne bacterial pathogens found on hard ticks (Acari: Ixodidae) on cattle in the Central River region of The Gambia

Medical and Veterinary Entomology, Volume 40, Issue 1, Page 91-100, March 2026.
First detection of Ehrlichia minasensis, Anaplasma marginale and hemotropic Mycoplasma spp. in cattle in The Gambia. Identification of four tick species, with Hyalomma marginatum being the most common. 15.6% of ticks tested positive for tick‐borne pathogens, including Ehrlichia spp., A. marginale and hemotropic Mycoplasma spp.
Alpha Kargbo, Aamir M. Osman, Edrisa Jawo, Lamin K. M. Fatty, Flavia C. M. Collere, Marcos R. André, Ahmed A. Hassan‐Kadle, Thállitha S. W. J. Vieira, Rosangela Z. Machado, Rafael F. C. Vieira   +9 more
wiley   +1 more source

Geospatial Analysis of Rickettsial Species [PDF]

, 2019
Rickettsia species are obligate intracellular, arthropod-borne bacteria with a potential to cause multiple diseases including Rocky Mountain spotted fever (RMSF).
Frank, Amy
core   +3 more sources

New tick records with notes on rickettsial infection from the wildlife of the state of Espírito Santo, southeastern Brazil

Ticks and Tick-Borne Diseases
This work aimed to report ticks infesting the wildlife among 15 municipalities of the state of Espírito Santo between 2016 and 2021, within the Atlantic Forest biome of southeastern Brazil. A total of 576 tick specimens (187 males, 56 females, 149 nymphs,
Igor da Cunha Lima Acosta, Isaias Roveri Garcia, Hermes Ribeiro Luz, Maria Carolina de Azevedo Serpa, Thiago Fernandes Martins, Ralph Eric Thijl Vanstreels, Marcelo B. Labruna   +6 more
doaj   +1 more source

IgE to Galactose‐α‐1,3‐Galactose (α‐Gal) and Relevance to Ustekinumab First‐Dose Infusion Reactions and Allergenicity

JGH Open, Volume 10, Issue 2, February 2026.
ABSTRACT Aims Ustekinumab, a monoclonal antibody (mAb) used to treat inflammatory bowel disease, has been associated with immediate hypersensitivity reactions during first intravenous infusion. While rare, the mechanism for these reactions is unclear. IgE to the oligosaccharide galactose‐α‐1,3‐galactose (α‐gal) is a cause of allergy to mammalian meat ...
Preethi G. Venkat, Jill F. Nehrbas, Pamela Schoppee Bortz, Thomas A. Platts‐Mills, Brian W. Behm, Esteban J. Figueroa, Jeffrey M. Wilson   +6 more
wiley   +1 more source

The sero-diagnosis of heartwater : a comparison of 5 tests [PDF]

, 1993
Cinq tests sérologiques, l'ELISA indirect, l'ELISA de compétition, deux tests par immunofluorescence indirecte utilisant des antigènes différents, et la technique de Western blotting, ont été comparés sur des sérums de contrôle négatifs ou positifs pour ...
Bezuidenhout, J.D., Brett, M.S., Camus, Emmanuel, Du Plessis, J.L., Jongejan, Frans, Mahan, Suman M., Martinez, Dominique   +6 more
core  

Complementary data on four methods for sampling free-living ticks in the Brazilian Pantanal. [PDF]

, 2017
In this study, four methods for sampling free-living ticks that are used in ecological and human tick-bite risk studies were evaluated. Cloth dragging, carbon dioxide traps and visual searches and inspection of plant litter on the ground were used in ...
OSAVA, C. F., PIOVEZAN, U., RAMOS, V. do N., SZABÓ, M. P. J.   +3 more
core   +1 more source

Weaving knowledges to support wildlife health surveillance in Kenya's pastoral rangelands

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract In wildlife–livestock–human interfaces, pathogens capable of spreading between wild and domestic animals and humans have important implications for conservation outcomes, economics, and public health. Robust wildlife health surveillance can help address these risks.
Brock Bersaglio, Charis Enns, Nashipai Karinten, Ramson Karmushu, Susanne Shultz   +4 more
wiley   +1 more source

New insights into the molecular phylogeny, biogeographical history, and diversification of Amblyomma ticks (Acari: Ixodidae) based on mitogenomes and nuclear sequences

Parasites & Vectors
Background Amblyomma is the third most diversified genus of Ixodidae that is distributed across the Indomalayan, Afrotropical, Australasian (IAA), Nearctic and Neotropical biogeographic ecoregions, reaching in the Neotropic its highest diversity.
Juan E. Uribe, Samuel Kelava, Santiago Nava, Andrea P. Cotes-Perdomo, Lyda R. Castro, Fredy A. Rivera-Paéz, Silvia Perea, Ben J. Mans, Alexander Gofton, Ernest J. M. Teo, Rafael Zardoya, Stephen C. Barker   +11 more
doaj   +1 more source

Parasitismo em humano por Amblyomma sp (Acari: Ixodidae), na cidade de Recife, estado de Pernambuco Parasitism by Amblyomma sp (Acari: Ixodidae) in humans in the city of Recife, state of Pernambuco, Brazil

Revista da Sociedade Brasileira de Medicina Tropical, 2010
INTRODUÇÃO: Os ixodídeos pertencentes ao gênero Amblyomma são encontrados no Brasil, sendo de grande importância em Saúde Pública por representarem risco na transmissão de patógenos.
Rafael Antonio do Nascimento Ramos, Mariana Karolina Freitas Galindo, Marília de Andrade Santana, Maria Aparecida da Glória Faustino, Leucio Câmara Alves   +4 more
doaj   +1 more source