Rhipicephalus microplus
RNA viruses of Amblyomma variegatum and Rhipicephalus microplus and Cattle Susceptibility in the French Antilles
... and Rhipicephalus microplus also displayed differences in co- infection ...positive Rhipicephalus microplus samples displayed high levels of co- infections, with 37% to 76% of the samples ...
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Immune and biochemical responses in skin differ between bovine hosts genetically susceptible and resistant to the cattle tick Rhipicephalus microplus
... tick Rhipicephalus microplus specializes on cattle and other large bovids, however success of its blood-feeding de- pends on the breed of the bovine ...
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Molecular identification and characterization of Anaplasma capra and Anaplasma platys like in Rhipicephalus microplus in Ankang, Northwest China
... as Rhipicephalus microplus, and the identification was confirmed molecularly by amplifying the COI gene isolated from 59 nymph and 100 adult ...R. microplus, confirming that all collected ticks ...
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Mining a differential sialotranscriptome of Rhipicephalus microplus guides antigen discovery to formulate a vaccine that reduces tick infestations
... Background: Ticks cause massive damage to livestock and vaccines are one sustainable substitute for the acaricides currently heavily used to control infestations. To guide antigen discovery for a vaccine that targets the ...
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Immunoregulation of bovine macrophages by factors in the salivary glands of Rhipicephalus microplus
... Background: Alternative strategies are required to control the southern cattle tick, Rhipicephalus microplus, due to evolving resistance to commercially available acaricides. This invasive ectoparasite is a ...
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Rhipicephalus microplus salivary gland molecules induce differential CD86 expression in murine macrophages
... Rhipicephalus microplus is one-host tick species that evolved complex repertoires of saliva molecules to facili- tate feeding and increase reproductive fitness ...and Rhipicephalus sanguineus ...R. ...
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Multiple mutations in the para sodium channel gene are associated with pyrethroid resistance in Rhipicephalus microplus from the United States and Mexico
... (Rhipicephalus microplus) has remained a significant burden to the global cattle industry for more than a ...both Rhipicephalus species (col- lectively referred to as cattle fever ...
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Rhipicephalus microplus and Ixodes ovatus cystatins in tick blood digestion and evasion of host immune response
... Background: Cystatins are a group of cysteine protease inhibitors responsible for physiological proteolysis regulation and present in a wide range of organisms. Studies about this class of inhibitors in parasites have ...
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A combination of antibodies against Bm86 and Subolesin inhibits engorgement of Rhipicephalus australis (formerly Rhipicephalus microplus) larvae in vitro
... Background: Rhipicephalus microplus is a hard tick species that has a high impact on cattle health and production in tropical and subtropical regions. Recently, ribosomal DNA and morphological analysis ...
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Widespread movement of invasive cattle fever ticks (Rhipicephalus microplus) in southern Texas leads to shared local infestations on cattle and deer
... Controlling ticks on wildlife has now become critical to efforts to eradicate cattle fever ticks because our genetic data suggest WTD likely serve as a source for ticks on cattle. The opposite situation (cattle serving ...
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A new method for in vitro feeding of Rhipicephalus australis (formerly Rhipicephalus microplus) larvae: a valuable tool for tick vaccine development
... R. microplus larvae, embryonated hen egg membranes or bovine skin slices were used and the ticks were placed on top of the blood meal [27 – ...R. microplus ticks, these membranes were subsequently replaced ...
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Immune recognition of salivary proteins from the cattle tick Rhipicephalus microplus differs according to the genotype of the bovine host
... Clearly more information is needed about the develop- ment of the antibody response to tick saliva. The present study sought to generate more information on antibody responses to ticks. For this, we examined the antibody ...
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Rhipicephalus microplus serine protease inhibitor family: annotation, expression and functional characterisation assessment
... Four new serpins are reported in this investigation, two of them, RmS-19 and -20 were expressed in all tissues sam- ples analysed showing their important role in both parasitic and non-parasitic stages of R. ...
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Molecular characterisation of the tick Rhipicephalus microplus in Malaysia: new insights into the cryptic diversity and distinct genetic assemblages throughout the world
... R. microplus cannot be ruled ...R. microplus might be ...R. microplus, complicates the assessment of spe- cies status and is a common challenge in the ...R. microplus, including the new taxon ...
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Silencing expression of the Rhipicephalus microplus vitellogenin receptor gene blocks Babesia bovis transmission and interferes with oocyte maturation
... The sequence of the VgR of R. microplus (RmVgR) gene contains an open reading frame of 5400 base pairs encod- ing a large protein of 1800 amino acids. The amino acid sequence of RmVgR has high similarity with VgR ...
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The occurrence of pathogens in Rhipicephalus microplus ticks from cattle in Madagascar
... R. microplus, which feeds on cattle as its main host (Uilenberg et ...R. microplus, as well as the first report of this pathogen in ...R. microplus and is better known to be transmitted by ticks of ...
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Immune related redox metabolism of embryonic cells of the tick Rhipicephalus microplus (BME26) in response to infection with Anaplasma marginale
... Herein, we show that different microbial stimuli trigger distinct gene expression profile of components of the pro- oxidant/antioxidant system in BME26 cells. Remarkably, A. marginale exposure triggers the downregulation ...
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Novel Rickettsia raoultii strain isolated and propagated from Austrian Dermacentor reticulatus ticks
... Methods: Dermacentor reticulatus ticks were collected in the Donau-Auen (Lobau) national park in Vienna, Austria. The hemolymph of ten collected ticks was screened by PCR-reverse line blot for the presence of rickettsial ...
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Inorganic Polyphosphates Regulate Hexokinase Activity and Reactive Oxygen Species Generation in Mitochondria of Rhipicephalus (Boophilus) microplus Embryo
... on Rhipicephalus microplus, which causes heavy economic losses to bovine herds, particularly in tropical regions; thus, major efforts have been directed toward devel- oping immunoprophylactic tick-control ...
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Saliva of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) inhibits classical and alternative complement pathways
... Fig. 7 Effect of Rhipicephalus microplus saliva on the membrane attack complex (MAC) components ’ deposition and removal. a Effect on MAC components ’ deposition: classical pathway-induced haemolysis was ...
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