نتایج جستجو برای: اورنیتودوروس تولوزانی ornithodoros tholozani

تعداد نتایج: 458  

Journal: :The Journal of biological chemistry 2002
Ben J Mans Abraham I Louw Albert W H Neitz

Savignygrin, a platelet aggregation inhibitor that possesses the RGD integrin recognition motif, has been purified from the soft tick Ornithodoros savignyi. Two isoforms with similar biological activities differ because of R52G and N60G in their amino acid sequences, indicating a recent gene duplication event. Platelet aggregation induced by ADP (IC50, 130 nm), collagen, the thrombin receptor-a...

2012
Georges Diatta Yassine Souidi Laurent Granjon Céline Arnathau Patrick Durand Gilles Chauvancy Youssouph Mané M'hammed Sarih Driss Belghyti François Renaud Jean-François Trape

BACKGROUND The presence in Morocco of Argasid ticks of the Ornithodoros erraticus complex, the vector of tick-borne relapsing fever (TBRF) in North Africa, has been known since 1919, but the disease is rarely diagnosed and few epidemiological data are available. METHODOLOGY/PRINCIPAL FINDINGS Between 2006 and 2011, we investigated the presence of Ornithodoros ticks in rodent burrows in 34 sit...

Journal: :Journal of clinical microbiology 2004
Curtis L Fritz Lawrence R Bronson Charles R Smith Martin E Schriefer James R Tucker Tom G Schwan

Relapsing fever, caused by the spirochete Borrelia hermsii and transmitted by the soft tick Ornithodoros hermsi, is endemic in many rural mountainous areas of California. Between 1996 and 1998, 12 cases of relapsing fever associated with two exposure sites in northern California were investigated. Follow-up at exposure sites included collection of soft ticks and serum specimens from sylvatic ro...

2012
Noemí Herrero Ricardo Pérez-Sánchez Ana Oleaga

Herrero N, Pérez R, Oleaga A, Zabalgogeazcoa I. 2011. Tick pathogenicity, thermal tolerance and virus infection in Tolypocladium cylindrosporum. Annals of Applied Biology 159:192-201. Tolypocladium cylindrosporum is a fungus which has been isolated from soil, from asymptomatic plants as an endophyte, and has been shown to be pathogenic to several species of arthropods. The objective of the pres...

FARZAD OREIZI, MEHDI ASSMAR, MOHAMMAD SOLEIMANI, NOORAIR PIYAZAK, SEYED HOSSEIN HOSSEINI, ZAHRA ZAMANI,

Borrelia microtti and Borrelia persica are two Iranian strains of spirochetes whose vectors are Ornithodorous tholozani and Ornithodorous erraticus which are responsible for relapsing fever. BSK medium has been used for in vitro culture of other strains of borrelia, although the two mentioned strains could not be successfully cultured in it. We have modified BSK medium by using guinea pig ...

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