Results 111 to 120 of about 9,793 (167)

Development of Antisense Tools to Study Bodo saltans and Its Intracellular Symbiont

open access: yesMicrobiologyOpen, Volume 14, Issue 2, April 2025.
Obligate symbioses present challenges for functional genetic analysis. This study shows that antisense inhibition cannot be used to investigate gene functions in the aquatic symbiosis between Bodo saltans and its bacterial symbiont. Our work stresses the importance of the development of alternative protocols to study the biology of both the ...
Mastaneh Ahrar   +6 more
wiley   +1 more source

Development of mRNA–lipid nanoparticle intrabodies against rickettsial infection

open access: yesJournal of Biomedical Science
Background Rickettsiosis is among the deadliest vector-borne infectious diseases worldwide, in part because rickettsiae replicate within human cells, where antibodies and most drugs cannot effectively reach this obligatory intracellular pathogen ...
Qi Yan   +7 more
doaj   +1 more source

Investigation of the Blood Microbiome in Horses With Fever of Unknown Origin

open access: yesVeterinary Medicine and Science, Volume 11, Issue 2, March 2025.
ABSTRACT Background Fever of unknown origin (FUO) without a respiratory component is a frequent clinical presentation in horses. Multiple pathogens, both tick‐borne and enteric, can be involved as etiologic agents. An additional potential mechanism is intestinal barrier dysfunction.
Yining Sun   +18 more
wiley   +1 more source

Human Ehrlichiosis and Anaplasmosis in America

open access: yesActa Médica Costarricense, 2013
A description of Ehrlichia and Anaplasma agents that have been linked to human disease is presented. A particular emphasis is given to Ehrlichia chaffeensis, Anaplasma phagocytophilum, and Ehrlichia canis. The clinical features associated with each agent,
J Stephen Dumler
doaj  

Potential mechanisms implied in tick infection by arboviruses and their transmission to vertebrate hosts

open access: yesIntegrative Zoology, Volume 20, Issue 2, Page 315-330, March 2025.
We summarize the recent progress in understanding defense mechanisms in specific tissues or sites that are encountered by arboviruses and discuss their possible roles in virus infection or transmission. Abstract Ticks can transmit many pathogens, including arboviruses, to their vertebrate hosts.
Chuanfei YUAN   +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

La protéine immunodominante de Cowdria ruminantium Cr32 conservée dans le genre Ehrlichia

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1993
Les tests sérologiques pour la cowdriose sont perturbés par des réactions croisées dues à des anticorps présents chez des animaux soupçonnés d'être infectés par Ehrlichia spp. On a contrôlé des infections expérimentales par Ehrlichia bovis, E. ovina, E.
Frans Jongejan   +4 more
doaj   +1 more source

A Case Report of Severe Tick-borne Disease in a Young Infant: A Rare Trigger for Secondary Hemophagocytic Lymphohistiocytosis [PDF]

open access: yesPediatric Infectious Disease
Hemophagocytic lymphohistiocytosis (HLH) is a rare, life-threatening condition characterized by an uncontrolled hyperinflammatory response due to immune dysregulation.
Shahwar Yousuf   +2 more
doaj   +1 more source

Molecular Detection ofEhrlichia chaffeensisin Humans, Costa Rica

open access: yesEmerging Infectious Diseases, 2015
To the Editor: Human monocytic ehrlichiosis (HME), a tickborne zoonosis caused by the rickettsial pathogen Ehrlichia chaffeensis (Rickettsiales: Anaplasmataceae), is considered an emerging pathogen in the United States and, increasingly, in many countries around the world (1).
Norman Rojas   +2 more
openaire   +3 more sources

The pCS20 PCR assay for Ehrlichia ruminantium does not cross-react with the novel deer ehrlichial agent found in white-tailed deer in the United States of America

open access: yesOnderstepoort Journal of Veterinary Research, 2004
White-tailed deer are susceptible to heartwater (Ehrlichia [Cowdria] ruminantium infection) and are likely to suffer high mortality if the disease spreads to the United States.
S.M. Mahan, B.H. Simbi, M.J. Burridge
doaj   +1 more source

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