Morphological characterisation of Australian strains of Echinococcus granulosus

L.M. Kumaratilake; R.C.A. Thompson

doi:10.1016/0020-7519(84)90027-4

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Morphological characterisation of Australian strains of Echinococcus granulosus

Journal article

Peer reviewed

Morphological characterisation of Australian strains of Echinococcus granulosus

L.M. Kumaratilake and R.C.A. Thompson

International Journal for Parasitology, Vol.14(5), pp.467-477

1984

DOI: https://doi.org/10.1016/0020-7519(84)90027-4

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Abstract

Previous studies utilising biochemical and developmental criteria demonstrated the occurrence of three distinct strains of E. granulosus in Australia. In order to further characterise these strains, we studied metacestode and adult morphology of E. granulosus of various domestic and wild animal origin from different geographical areas of Australia. Morphological comparisons included specimens from natural infections as well as experimentally-derived adult worms of known age. Three morphologically distinct populations of E. granulosus were recognised in domestic and wild animals. These populations corresponded to the three strains described previously on the basis of biochemical and developmental criteria. One strain is common to all domestic intermediate hosts on the Australian mainland, the second is confined to macropods on the mainland and the third to sheep in Tasmania. No evidence was found that domestic animals on the mainland are susceptible to the sylvatic macropod strain, whereas 15% of macropods examined were infected with the mainland domestic strain. Natural infections with both mainland strains were found in dogs and dingoes. The practical value of morphology as a criterion in taxonomic and speciation studies is discussed. Suggestions as to the probable origin of the three Australian strains of E. granulosus are given.

Details

Title: Morphological characterisation of Australian strains of Echinococcus granulosus
Authors/Creators: L.M. Kumaratilake (Author/Creator) - Murdoch University
R.C.A. Thompson (Author/Creator)
Publication Details: International Journal for Parasitology, Vol.14(5), pp.467-477
Publisher: Elsevier BV
Identifiers: 991005546351907891
Copyright: © 1984 Published by Elsevier Ltd.
Murdoch Affiliation: School of Veterinary Studies
Language: English
Resource Type: Journal article

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Citation topics: 1 Clinical & Life Sciences; 1.163 Parasitology - General; 1.163.1106 Echinococcosis
Web Of Science research areas: Parasitology
ESI research areas: Microbiology