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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Cystic echinococcosis in Turkey: Genetic variability and first record of the pig strain (G7) in the country
Parasitology Research, Volume 105, No. 1, Year 2009
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Description
A sample of 22 Echinococcus granulosus isolates collected from 12 sheep and ten humans from a focus of cystic echinococcosis in western Turkey was examined by DNA sequencing of four mitochondrial genes (cox1, atp6, nad1, rrnS). Results demonstrated the presence of two species of E. granulosus complex, E. granulosus sensu stricto and E. canadensis. Of E. granulosus sensu stricto, the G1 genotype (including three microvariants) was found in 17 isolates from humans and sheep, the G3 genotype and an intermediate form G1/G3 in one isolate each (both from sheep). Of E. canadensis, the pig strain G7 was found in three isolates from sheep and human. This is the first report of this strain in Turkey. Its presence has implications for local control programs due to its shorter maturation rate in dogs compared with E. granulosus sensu stricto. Goat and/or wild boar are likely reservoirs for G7 in the region. We provided further data on the pattern and frequency of nucleotide substitutions within the G1/G3 cluster. Based on our results and GenBank records, G2 (Tasmanian sheep strain) is not considered as a discrete genotypic unit, as its sequences at polymorphic sites conform to microvariants of both G1 and (more often) G3. © 2009 Springer-Verlag.
Authors & Co-Authors
Šnábel, Viliam
Slovakia, Bratislava
Slovak Academy of Sciences
D᾿Amelio, Stefano
Italy, Rome
Sapienza Università Di Roma
Nakao, Minoru
Japan, Asahikawa
Asahikawa Medical University
Römig, Thomas J.
Germany, Stuttgart
Universität Hohenheim
Busi, Marina
Italy, Rome
Sapienza Università Di Roma
Wassermann, Marion
Germany, Stuttgart
Universität Hohenheim
Ito, Akira
Japan, Asahikawa
Asahikawa Medical University
Dubinskỳ, Pavol
Slovakia, Bratislava
Slovak Academy of Sciences
Statistics
Citations: 95
Authors: 8
Affiliations: 7
Identifiers
Doi:
10.1007/s00436-009-1376-2
ISSN:
09320113
Research Areas
Genetics And Genomics