Results 81 to 90 of about 29,638 (257)

Infection with the Neorickettsial Organism Stellantchasmus falcatus Agent in an Arctic Fox (Vulpes lagopus)

open access: yesVeterinary Clinical Pathology, EarlyView.
ABSTRACT A 1‐year‐old female‐intact arctic fox (Vulpes lagopus) presented for diarrhea, lethargy, severe thrombocytopenia, and hyperbilirubinemia. Blood film evaluation revealed intracytoplasmic coccoid bacteria within moderate numbers of leukocytes consistent with infection by a rickettsial organism.
Jeremy P. Bessett   +3 more
wiley   +1 more source

Diversity of Anaplasma and Ehrlichia/Neoehrlichia Agents in Terrestrial Wild Carnivores Worldwide: Implications for Human and Domestic Animal Health and Wildlife Conservation

open access: yesFrontiers in Veterinary Science, 2018
Recently, the incidence and awareness of tick-borne diseases in humans and animals have increased due to several factors, which in association favor the chances of contact among wild animals and their ectoparasites, domestic animals and humans.
M. André
semanticscholar   +1 more source

Detection of antibodies to Cowdria ruminantium in the serum of domestic ruminants by indirect ELISA [PDF]

open access: yes, 1993
Un test ELISA a été mis au point pour la détection d'anticorps contre Cowdria ruminantium dans le sérum de ruminants domestiques. Les micro-organismes cultivés dans des cellules bovines endothéliales ombilicales ont été utilisés comme antigène.
Coisne, S.   +3 more
core  

Canine Ehrlichiosis Caused Simultaneously by Ehrlichia canis and Ehrlichia platys [PDF]

open access: yesMicrobiology and Immunology, 2000
AbstractTo identify the causative agent of canine ehrlichiosis that has occurred in the suburbs of Guangzhou, China, since 1998, the 16S rRNA gene was amplified and sequenced. Two sequences of 1,482 and 1,483 base pairs were obtained and named as Gzh981 and Gzh982, respectively.
P, Hua   +5 more
openaire   +2 more sources

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez   +3 more
wiley   +1 more source

Development of a generic Ehrlichia FRET-qPCR and investigation of ehrlichioses in domestic ruminants on five Caribbean islands

open access: yesParasites & Vectors, 2015
Background The Ehrlichia are obligate intracellular Gram-negative tick-borne bacteria that are important human and animal pathogens. There is a need for assays to rapidly and reliably detect and differentiate the five generally recognized species into ...
Jilei Zhang   +7 more
doaj   +1 more source

Seroprevalence of Ehrlichia canis, Ehrlichia equi, and Ehrlichia risticii in Sick Dogs from North Carolina and Virginia

open access: yesJournal of Veterinary Internal Medicine, 2000
Ehrlichia canis, E equi, andE risticiiseroprevalence was determined by microimmunofluorescent antibody testing (IFA) in a sequential population of 1,845 sick dogs admitted during a 1‐year period to the North Carolina State University Veterinary Teaching Hospital.
J, Suksawat   +2 more
openaire   +2 more sources

Tick‐Tac‐Foe: When Ticks, Trade, and Zoonotic Pathogens Align in African Wet Meat Markets

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Zoonotic diseases account for over ∼60% of infectious diseases and present a significantly growing fatality threat in Africa. Live and wet markets (LWMs) in Africa function as key economic venues that support human livelihoods through social interaction and trade in food stuff, including meat and other animal‐based products.
Allen Takudzwa Munaro
wiley   +1 more source

OVERVIEW OF TICK-ASSOCIATED RICKETTSIALES BACTERIA IN JAPAN

open access: yesActa Biomedica Scientifica, 2012
Rickettsiales bacteria are obligatory intracellular parasites in vertebrates and/or invertebrates, and some cause severe febrile illness in humans as well as livestock.
N. .. Ohashi   +2 more
doaj  

Latent Neoehrlichia mikurensis Infections May Be Reactivated in Patients With B‐Cell Lymphomas Treated With Rituximab

open access: yesImmunology, Volume 178, Issue 2, Page 307-317, June 2026.
Eight percent of this cohort of patients had a latent Neoehrlichia mikurensis infection. It was only the latently infected patients who had N. mikurensis‐specific T cells, not the matched B‐cell lymphoma patients without the infection. The T‐cell responses of latently infected patients included perforin‐expressing Th1 and CD8+ T cells that upregulated ...
Linda Wass   +4 more
wiley   +1 more source

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