Biologie de Hyalomma dromedarii (Koch 1844)

biologie de hyalomma dromedarii (koch 1844)

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Description de Hyalomma dromedarii (Koch 1844) Morphologie de la larve et de la nymphe

mémoires originaux- description de hyalomma dromedarii (koch 1844) morphologie de la larve et de la nymphe

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The isolation and transmission of an unidentified Babesia sp. to cattle by Hyalomma truncatum Koch 1844.

An unidentified Babesia sp. which causes a mild disease in cattle was isolated in a splenectomized ox that received pooled blood from field cattle. That this organism is pleomorphic and resembles Babesia occultans makes it difficult to differentiate between these organisms microscopically. Initially, it was suspected that this Babesia could be B. occultans. Several attempts to transmit this par...

Studies on a bovine Babesia transmitted by Hyalomma marginatum rufipes Koch, 1844.

A Babesia sp. was recently observed in Hyalomma marginatum rufipes and found to be transmissible to bovines. Further observations were carried out on this parasite and a study made of the morphology of stages in both erythrocytes and tick haemolymph. Apart from Babesia divergens, intra-erythrocytic parasites were not readily distinguishable from bovine Babesia spp. Merozoites in tick haemolymph...

Catalase from larvae of the camel tick Hyalomma dromedarii

Catalase plays a major role in protecting cells against toxic reactive oxygen species. Here, Catalase was purified from larvae of the camel tick Hyalomma dromedarii and designated TLCAT. It was purified by ammonium sulfate precipitation and chromatography on DEAE-cellulose, Sephacryl S-300 and CM-cellulose columns. Gel filtration and SDS-PAGE of the purified TLCAT indicated that the protein has...