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Gotowe bibliografie tematyczne / Onchocerca ochengi

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Gotowa bibliografia na temat „Onchocerca ochengi”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Onchocerca ochengi"

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WAHL, G., P. ENYONG, A. NGOSSO, et al. "Onchocerca ochengi: epidemiological evidence of cross-protection against Onchocerca volvulus in man." Parasitology 116, no. 4 (1998): 349–62. http://dx.doi.org/10.1017/s003118209700228x.

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In North Cameroon, the vector of Onchocerca volvulus (causative agent of human onchocerciasis) also transmits 2 filariae of animals: O. ochengi from cattle and O. ramachandrini from wart hogs. In order to assess the qualitative and quantitative roles of these ‘animal filariae’ in the epidemiology of O. volvulus, the transmission of the 3 parasites was measured in 2 villages and related to the endemicity of human onchocerciasis. In Galim, a cattle-farming Guinea savanna village where wild animals are rare, the overwhelming majority of all filarial infections found in the Simulium damnosum s.l.

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Makepeace, Benjamin L., and Vincent N. Tanya. "25 Years of the Onchocerca ochengi Model." Trends in Parasitology 32, no. 12 (2016): 966–78. http://dx.doi.org/10.1016/j.pt.2016.08.013.

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WAHL, G., and J. M. SCHIBEL. "Onchocerca ochengi: morphological identification of the L3 in wild Simulium damnosum s.l., verified by DNA probes." Parasitology 116, no. 4 (1998): 337–48. http://dx.doi.org/10.1017/s0031182097002321.

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In order to assess the prevalence of the cattle filaria Onchocerca ochengi in onchocerciasis vectors (Simulium damnosum s.l.) in North Cameroon, we searched for a means to morphologically identify its developing larvae, which closely resemble those of O. volvulus. To this end microfilariae of the 2 Onchocerca species were isolated from slaughter cattle in Ngaoundéré and injected into neonate Simulium species. Whereas the early developmental stages (sausage stage, L2 and pre-infective larva) were indistinguishable, the infective larvae (L3) of O. ochengi were longer (median: 740 μm), more slend

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Morales-Hojas, R., R. A. Cheke, and R. J. Post. "Molecular systematics of five Onchocerca species (Nematoda: Filarioidea) including the human parasite, O. volvulus, suggest sympatric speciation." Journal of Helminthology 80, no. 3 (2006): 281–90. http://dx.doi.org/10.1079/joh2006331.

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AbstractThe genus Onchocerca (Nematoda: Filarioidea) consists of parasites of ungulate mammals with the exception of O. volvulus, which is a human parasite. The relationship between O. volvulus, O. ochengi and O. gibsoni remains unresolved. Based on morphology of the microfilariae and infective larvae, vector transmission and geographical distribution, O. ochengi and O. volvulus have been placed as sister species. Nevertheless, the cuticle morphology and chromosomal data (O. volvulus and O. gibsoni have n=4 while O. ochengi is n=5) suggest that O. gibsoni could be more closely related to O. vo

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Hansen, Rowena D. E., Alexander J. Trees, Germanus S. Bah, et al. "A worm's best friend: recruitment of neutrophils by Wolbachia confounds eosinophil degranulation against the filarial nematode Onchocerca ochengi." Proceedings of the Royal Society B: Biological Sciences 278, no. 1716 (2010): 2293–302. http://dx.doi.org/10.1098/rspb.2010.2367.

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Onchocerca ochengi , a filarial parasite of cattle, represents the closest relative of the human pathogen, Onchocerca volvulus . Both species harbour Wolbachia endosymbionts and are remarkable in that adult female worms remain viable but sessile for many years while surrounded by host cells and antibodies. The basis of the symbiosis between filariae and Wolbachia is thought to be metabolic, although a role for Wolbachia in immune evasion has received little attention. Neutrophils are attracted to Wolbachia , but following antibiotic chemotherapy they are replaced by eosinophils that degranulat

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WAHL, G., D. EKALE, and A. SCHMITZ. "Onchocerca ochengi: assessment of the Simulium vectors in North Cameroon." Parasitology 116, no. 4 (1998): 327–36. http://dx.doi.org/10.1017/s0031182097002333.

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In the savanna areas of tropical Africa, cattle are frequently infected with the filaria Onchocerca ochengi. This parasite is closely related to Onchocerca volvulus, the causative agent of human onchocerciasis (river blindness), and is capable of developing in the same vector, Simulium damnosum s.l. In North Cameroon, where both O. ochengi and O. volvulus are endemic, we carried out a field study (reported in this and 2 following papers) to examine to which extent the transmission of the 2 parasite species overlap and what influence this has on the epidemiology of human onchocerciasis. In this

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Trees, A. J. "Onchocerca ochengi: Mimic, model or modulator of O. volvulus?" Parasitology Today 8, no. 10 (1992): 337–39. http://dx.doi.org/10.1016/0169-4758(92)90068-d.

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ACHUKWI, M. D., W. HARNETT, P. ENYONG, and A. RENZ. "Successful vaccination against Onchocerca ochengi infestation in cattle using live Onchocerca volvulus infective larvae." Parasite Immunology 29, no. 3 (2007): 113–16. http://dx.doi.org/10.1111/j.1365-3024.2006.00917.x.

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Jaleta, Tegegn G., Christian Rödelsperger, Babette Abanda, et al. "Full mitochondrial and nuclear genome comparison confirms that Onchocerca sp. “Siisa” is Onchocerca ochengi." Parasitology Research 117, no. 4 (2018): 1069–77. http://dx.doi.org/10.1007/s00436-018-5783-0.

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Mbobda, Alexis Sylvain Wafo, Alain Wembe Ngouonpe, Gervais Mouthé Happi, et al. "Pachypodostyflavone, a New 3-methoxy Flavone and Other Constituents with Antifilarial Activities from the Stem Bark of Duguetia staudtii." Planta Medica International Open 8, no. 02 (2021): e56-e61. http://dx.doi.org/10.1055/a-1492-3585.

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AbstractA new flavone derivative named pachypodostyflavone (1), along with 8 known compounds (2–9) and a mixture of β-sitosterol and stigmasterol were isolated from the stem bark of Duguetia staudtii (Annonaceae), based on a bioassay-guided fractionation. Their structures were determined using high-resolution mass spectrometry and NMR spectroscopic data, as well as by comparison with the literature values of their analogs. Selected isolated compounds were evaluated for their in vitro antifilaricidal activities on Onchocerca ochengi microfilariae and adult worms. Inhibition of motility was eval

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Rozprawy doktorskie na temat "Onchocerca ochengi"

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Tchakoute, Virginia Louise. "Onchocerca ochengi : susceptibility and resistance to natural infection in West African cattle." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366271.

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Njongmeta, Leo Moh. "Immunity in onchocerciasis after ivermectin prophylaxis : studies with Onchocerca ochengi in cattle." Thesis, University of Liverpool, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250397.

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Hansen, Rowena Dawn Ellen. "The potential role of Walbachia as a defensive mutualist in the Onchocerca ochengi nodule." Thesis, University of Liverpool, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.569645.

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Onchocerciasis (River Blindness) is a continuing major cause of human blindness, skin disease and socioeconomic impediment in sub-Saharan Africa and Latin America. An estimated 37 million people are infected and a further 89 million are at risk. Human onchocerciasis is caused by the filarial nematode Onchocerca volvulus, and is spread by the blackfly vector Simulium spp, found in riverine areas, encompassing land which is agriculturally valuable. Ivermectin is currently distributed in these areas to control the microfilarial stage of the parasite, but adult worm viability is unaffected. Thus,

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Hildebrandt, Julia [Verfasser], and Adrian [Akademischer Betreuer] Streit. "Population genetic studies in the parasitic nematode Onchocerca ochengi / Julia Hildebrandt ; Betreuer: Adrian Streit." Tübingen : Universitätsbibliothek Tübingen, 2014. http://d-nb.info/1196802262/34.

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Cross, Helen Fiona. "A molecular and pharmacological investigation of the action of ivermectin against Onchocerca ochengi of cattle." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266171.

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Nfon, Charles Kongnyu. "The interaction between chemotherapy and immune responses in natural Onchocerca ochengi infection, the bovine host and the endosybiotic bacteria, Wolbachia." Thesis, University of Liverpool, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406667.

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Eisenbarth, Albert [Verfasser], and Alfons [Akademischer Betreuer] Renz. "The biology of Onchocerca ochengi, a filarial nematode from African cattle, and the implications on the epidemiology of the causative agent of river blindness, Onchocerca volvulus / Albert Eisenbarth ; Betreuer: Alfons Renz." Tübingen : Universitätsbibliothek Tübingen, 2016. http://d-nb.info/1163665045/34.

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