Trasmision experimental estadio a estadio detheileria hirci en ovinos porhyalomma anatolicum anatolicum

Hooshmand‐Rad, P.; Hawa, N. J.

doi:10.1007/bf02236145

Cited by 56 publications

(27 citation statements)

References 7 publications

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“…T. lestoquardi seems to be closely related to T. annulata, as suggested by the high identity of their sequences, high antigenic cross-reaction, overlapping distribution patterns and the same transmitting tick species, Hyalomma sp. (Hooshmand-Rad and Hawa 1973;Leemans et al 1997;Katzer et al 1998;Schnittger et al 2000aSchnittger et al , 2000b. Interestingly, T. lestoquardi seems to be the only sheep/ goat piroplasm which has likely evolved from a cattleinfecting piroplasm species.…”

Section: Discussionmentioning

confidence: 91%

“…Compare Cluster/subcluster data with Fig. 1. n.k. Not known a These tick species were not demonstrated in this work but were taken from the literature (Hooshmand-Rad and Hawa 1973;Mehlhorn et al 1994 domestic sheep, not yet allowing complete separation into different species. Unfortunately, biological data to support this hypothesis as the species of the transmitting tick have not been reported from Theileria sp.…”

Section: Discussionmentioning

confidence: 94%

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Phylogeny of sheep and goat Theileria and Babesia parasites

Schnittger

Yin

Gubbels

et al. 2003

Parasitology Research

137

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The phylogenetic relationship of Theileria and Babesia species infecting sheep and goats on the basis of their 18S RNA gene structure was addressed in the present study. For this purpose, the complete sequences of the small ribosomal RNA genes of a panel of sheep and goat piroplasm isolates, including T. lestoquardi, T. ovis, T. separata, B. ovis, B. motasi, B. crassa and several novel species, were sequenced and compared. The classification based on the established phylogenetic tree corresponded with traditional systematics and revealed that sheep/goat piroplasm species are of polyphyletic origin. The independent evolution of almost all sheep/goat piroplasms suggests that speciation may have occurred after transfer of the piroplasm-transmitting tick from a primal wild ruminant host to domestic sheep and goats. In accordance with recent reports, our study confirms the existence of at least two additional sheep/goat piroplasm species, designated Theileria sp. 1 (China) and Theileria sp. 2 (China). The recently reported pathogenic sheep/goat Theileria sp. 1 (China) seems to be identical with a Theileria sp. isolated from Japanese serow. Furthermore, our results suggest that T. ovis represents a single species.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 94%

Phylogeny of sheep and goat Theileria and Babesia parasites

Schnittger

Yin

Gubbels

et al. 2003

Parasitology Research

137

View full text Add to dashboard Cite

show abstract

“…It appears circumstantially that H. anatolicum anatolicum could be the vector responsible for the transmission of T. hirci in this outbreak, as described by Hooshmand-Rad and Hawa (1973b), though further studies on this vector and transmission of the disease are necessary. T. hirci may cause high levels of morbidity and mortality and may thus contribute significantly to the disease burden of sheep in Sudan.…”

mentioning

confidence: 85%

An outbreak of theileriosis in sheep in Sudan

Tageldin¹,

Zakia²,

Nagwa

et al. 1992

Trop Anim Health Prod

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“…Malignant theileriosis of sheep is a highly fatal acute or subacute disease caused by the tick-borne protozoan parasite, Theileria lestoquardi which is transmitted by ticks of the family Ixodidae, particularly Hyalomma anatolicum anatolicum (Hooshmand-Rad & Hawa 1973;Morel & Uilenberg 1981). The chemotherapeutic efficacy of a number of compounds includ ing parvaquone (Clexon) and buparvaquone (Butalex) has been tested for the treatment of the disease.…”

Section: Introductionmentioning

confidence: 99%