Results 1 to 10 of about 3,333 (122)

Characterization of “Candidatus Ehrlichia Pampeana” in Haemaphysalis juxtakochi Ticks and Gray Brocket Deer (Mazama gouazoubira) from Uruguay [PDF]

open access: yesMicroorganisms, 2021
Human ehrlichiosis are scantily documented in Uruguay. The aim of this study was to investigate the presence of Ehrlichia spp. in Haemaphysalis juxtakochi and in a gray brocket deer (Mazama gouazoubira) from Uruguay.
María Laura Félix   +6 more
doaj   +3 more sources

A pictorial key to differentiate the recently detected exotic Haemaphysalis longicornis Neumann, 1901 (Acari, Ixodidae) from native congeners in North America [PDF]

open access: yesZooKeys, 2019
Until recently, only two haemaphysaline species, Haemaphysalis chordeilis (Packard, 1869) and Haemaphysalis leporispalustris (Packard, 1869), were known to occur in the United States, and neither was considered to be of significant medical or veterinary ...
Andrea M. Egizi   +6 more
doaj   +5 more sources

Diversity of rickettsiae in ticks (Acari: Ixodidae) collected from wild vertebrates in part of the Amazon, Cerrado, and Pantanal biomes in Brazil [PDF]

open access: yesRevista Brasileira de Parasitologia Veterinária, 2023
Ticks parasitizing 102 wild animals in the states of Mato Grosso and Goiás, Brazil were collected between 2015 and 2018. A total of 2338 ticks (865 males, 541 females, 823 nymphs, and 109 larvae) belonging to four genera (Amblyomma, Dermacentor ...
Anny Carolina Prati   +14 more
doaj   +2 more sources

Some ecological aspects of free-living Haemaphysalis juxtakochi Cooley, 1946 (Acari: Ixodidae) in Panama [PDF]

open access: yesRevista Mvz Cordoba, 2014
Objective. To describe the seasonal variation and perform a comparative analysis on habitat preference of Haemaphysalis juxtakochi in Panama. Materials and methods.
Gleydis García G.   +3 more
doaj   +6 more sources

Genotypic Characterization of Rickettsia bellii Reveals Distinct Lineages in the United States and South America [PDF]

open access: yesBioMed Research International, Volume 2018, Issue 1, 2018., 2018
The bacterium Rickettsia bellii belongs to a basal group of rickettsiae that diverged prior to the pathogenic spotted fever group and typhus group Rickettsia species. Despite a diverse representation of R. bellii across more than 25 species of hard and soft ticks in the American continent, phylogeographical relationships among strains of this basal ...
Felipe S. Krawczak   +5 more
wiley   +2 more sources

Habitat disturbance and the organization of bacterial communities in Neotropical hematophagous arthropods. [PDF]

open access: yesPLoS ONE, 2019
The microbiome plays a key role in the biology, ecology and evolution of arthropod vectors of human pathogens. Vector-bacterial interactions could alter disease transmission dynamics through modulating pathogen replication and/or vector fitness ...
Kelly L Bennett   +9 more
doaj   +2 more sources

Rickettsia amblyommatis infecting ticks and exposure of domestic dogs to Rickettsia spp. in an Amazon-Cerrado transition region of northeastern Brazil. [PDF]

open access: yesPLoS ONE, 2017
This study was performed in Maranhão state, a transition area two Brazilian biomes, Amazon and Cerrado. During 2011-2013, 1,560 domestic dogs were sampled for collection of serum blood samples and ticks in eight counties (3 within the Amazon and 5 within
Francisco B Costa   +7 more
doaj   +2 more sources

A review of hard ticks (Acari: Ixodidae) in Colombia: The risk of tick-borne diseases

open access: yesPersian Journal of Acarology, 2022
This paper reviews the ixodid tick species that are present in Colombia. The different databases reported 50 species of ticks, of which 29 belong to Amblyomma: A. auricularium, A. cajennense sensu lato (s.l.); for Colombia A. calcaratum, A.
Javier Antonio Benavides-Montaño   +3 more
doaj   +1 more source

DIVERSIDADE DE CARRAPATOS E INFECÇÃO NATURAL POR RICKETTSIA EM REMANESCENTE PRIMÁRIO DE MATA ATLÂNTICA NO ESTADO DE SÃO PAULO, BRASIL

open access: yesBrazilian Journal of Infectious Diseases, 2023
Introdução: Os carrapatos são ectoparasitas hematófagos obrigatórios que parasitam diversos vertebrados, incluindo o ser humano. São vetores de diversos patógenos e o gênero Amblyomma possui grande importância em saúde pública por transmitirem as ...
Isabella Pereira Pesenato   +9 more
doaj   +1 more source

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