First Report on Circulation of Echinococcus ortleppi in the one Humped Camel (Camelus dromedaries), Sudan
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- 作者：Mohamed E Ahmed (7) (8) (8)
Kamal H Eltom (7) (7)
Nasreen O Musa (7) (7)
Ibtisam A Ali (6)
Fatima M Elamin (7)
Martin P Grobusch (8)
Imadeldin E Aradaib (7) - 关键词：Echinococcus granulosus ; NADH 1 gene ; cox1 gene ; Genotypes ; Phylogenetic analysis ; Sudan
- 刊名：BMC Veterinary Research
- 出版年：2013
- 出版时间：December 2013
- 年：2013
- 卷：9
- 期：1
- 全文大小：189KB
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Kamal H Eltom (7) (7)
Nasreen O Musa (7) (7)
Ibtisam A Ali (6)
Fatima M Elamin (7)
Martin P Grobusch (8)
Imadeldin E Aradaib (7)
7. Unit of Animal Health and Safety of Animal Products, Institute for Studies and Promotion of Animal Exports, University of Khartoum, Khartoum, Republic of the Sudan
8. Department of Infectious Diseases, Faculty of Medicine, Amsterdam Medical College, Amsterdam, The Netherlands
6. Department of Internal Medicine, Faculty of Medicine, International University of Africa, Khartoum, Republic of the Sudan
文摘
Background Echinococcus granulosus (EG) complex, the cause of cystic echinococcosis (CE), infects humans and several other animal species worldwide and hence the disease is of public health importance. Ten genetic variants, or genotypes designated as (G1-G10), are distributed worldwide based on genetic diversity. The objective of this study was to provide some sequence data and phylogeny of EG isolates recovered from the Sudanese one-humped camel (Camelus dromedaries). Fifty samples of hydatid cysts were collected from the one- humped camels (Camelus dromedaries) at Taboul slaughter house, central Sudan. DNAs were extracted from protoscolices and/or associated germinal layers of hydatid cysts using a commercial kit. The mitochondrial NADH dehydrogenase subunit 1 (NADH1) gene and the cytochrome C oxidase subunit 1 (cox1) gene were used as targets for polymerase chain reaction (PCR) amplification. The PCR products were purified and partial sequences were generated. Sequences were further examined by sequence analysis and subsequent phylogeny to compare these sequences to those from known strains of EG circulating globally. Results The identity of the PCR products were confirmed as NADH1 and cox1 nucleotide sequences using the Basic Local Alignment Search Tool (BLAST) of NCBI (National Center for Biotechnology Information, Bethesda, MD). The phylogenetic analysis showed that 98% (n = 49) of the isolates clustered with Echinococcus canadensis genotype 6 (G6), whereas only one isolate (2%) clustered with Echinococcus ortleppi (G5). Conclusions This investigation expands on the existing sequence data generated from EG isolates recovered from camel in the Sudan. The circulation of the cattle genotype (G5) in the one-humped camel is reported here for the first time.