First description of Echinococcus ortleppi infection in China

Echinococcosis has led to considerable social and economic losses in China, particularly in the endemic communities of the eastern Tibetan Plateau. In China, human cases of Echinococcus granulosus (sensu stricto), E. canadensis and E. multilocularis infections have been described, but no E. ortleppi...

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Bibliographic Details
Published in:Parasites & vectors 2019-08, Vol.12 (1), p.398-398, Article 398
Main Authors: Shi, Yunliang, Wan, Xiaoling, Wang, Ziyue, Li, Jun, Jiang, Zhihua, Yang, Yichao
Format: Article
Language:English
Subjects:
Abdomen - diagnostic imaging
Aged
Animals
Beef cattle
Care and treatment
China
Cytochrome c
Cytochrome oxidase
Echinococcosis
Echinococcosis - diagnostic imaging
Echinococcus - genetics
Echinococcus - isolation & purification
Echinococcus ortleppi
Economic aspects
Electron Transport Complex IV - genetics
Genes
Helminth Proteins - genetics
Human
Humans
Hydatid
Infection
Liver
Liver - parasitology
Liver - pathology
Male
NADH Dehydrogenase - genetics
Niacinamide
Oxidases
Phylogeny
Purines
Risk factors
Short Report
Social aspects
Ultrasonography
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Summary:Echinococcosis has led to considerable social and economic losses in China, particularly in the endemic communities of the eastern Tibetan Plateau. In China, human cases of Echinococcus granulosus (sensu stricto), E. canadensis and E. multilocularis infections have been described, but no E. ortleppi (G5) infections in humans or animals have been reported. A case of E. ortleppi infection in a human from Guangxi, which is a non-endemic echinococcosis area in China, is described. A 17 × 12 × 20 cm (diameter) cyst was observed in the liver of the patient, and Echinococcus larvae were collected from the cyst. A morphological examination indicated that the larvae were E. ortleppi, and amplification and analysis of the nicotinamide adenine dinucleotide hydrogenase dehydrogenase subunit 1 (nad1) and cytochrome c oxidase subunit 1 (cox1) genes showed that the larvae had 99-100% homology with the corresponding E. ortleppi sequences on GenBank. To our knowledge, this report describes the first identification of a human E. ortleppi infection in China. Our data broaden the geographical distribution of this rarely reported species of Echinococcus.
ISSN:1756-3305
1756-3305
DOI:10.1186/s13071-019-3653-y