Dataset Information

Complete mitogenome of the dog cucumber tapeworm Dipylidium caninum (Cestoda, Dilepididae) from Southwest China.

ABSTRACT: The cucumber tapeworm Dipylidium caninum (Cestoda, Dilepididae) is a common intestinal parasite of dogs and cats and can cause dipylidiasis in humans, especially in infants and children. In this study, the complete mitogenome of this tapeworm was sequenced using next-generation sequencing technology. The entire genome was 14,226?bp in size and encoded 36 genes, including 12 protein-coding genes, 22 transfer RNA genes, and 2 ribosomal RNA genes. The phylogeny revealed that D. caninum grouped with other species from the order Cyclophyllidea and separated from species of Pseudophyllidea. Within the Dipylidiidae, both dog-originated D. caninum were phylogenetic distinctiveness from cat-originated D. caninum, suggesting that D. caninum may represent a species complex. Altogether, the complete mitogenome of D. caninum sequenced here should contribute to a better understanding of the phylogenetic and taxonomic placement of this species.

SUBMITTER: Xie Y

PROVIDER: S-EPMC7706460 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Complete mitogenome of the dog cucumber tapeworm Dipylidium caninum (Cestoda, Dilepididae) from Southwest China.

Xie Yue Y Liu Yunjian Y Gu Xiaobin X Meng Xiaduo X Wang Lu L Li Yingxin Y Zhou Xuan X Zheng Youle Y Zuo Zhicai Z Yang Guangyou G

Mitochondrial DNA. Part B, Resources 20190722 2

The cucumber tapeworm Dipylidium caninum (Cestoda, Dilepididae) is a common intestinal parasite of dogs and cats and can cause dipylidiasis in humans, especially in infants and children. In this study, the complete mitogenome of this tapeworm was sequenced using next-generation sequencing technology. The entire genome was 14,226 bp in size and encoded 36 genes, including 12 protein-coding genes, 22 transfer RNA genes, and 2 ribosomal RNA genes. The phylogeny revealed that D. caninum</i ...[more]

PMID: 33365676

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Project description:BackgroundA total number of 14 valid species of Diphyllobothrium tapeworms have been described in literature to be capable of causing diphyllobothriosis, with D. latum being the major causative agent of all human infections. However, recent data indicate that some of these infections, especially when diagnosed solely on the basis of morphology, have been identified with this causative agent incorrectly, confusing other Diphyllobothrium species with D. latum. Another widely distributed species, D. dendriticum, has never been considered as a frequent parasite of man, even though it is found commonly throughout arctic and subarctic regions parasitizing piscivorous birds and mammals. Recent cases of Europeans infected with this cestode called into question the actual geographic distribution of this tapeworm, largely ignored by medical parasitologists.Methodology and resultsOn the basis of revision of more than 900 available references and a description and revision of recent European human cases using morphological and molecular (cox1) data supplemented by newly characterized D. dendriticum sequences, we updated the current knowledge of the life-cycle, geographic distribution, epidemiological status, and molecular diagnostics of this emerging causal agent of zoonotic disease of man.ConclusionsThe tapeworm D. dendriticum represents an example of a previously neglected, probably underdiagnosed parasite of man with a potential to spread globally. Recent cases of diphyllobothriosis caused by D. dendriticum in Europe (Netherlands, Switzerland and Czech Republic), where the parasite has not been reported previously, point out that causative agents of diphyllobothriosis and other zoonoses can be imported throughout the world. Molecular tools should be used for specific and reliable parasite diagnostics, and also rare or non-native species should be considered. This will considerably help improve our knowledge of the distribution and epidemiology of these human parasites.

Dataset Information

Complete mitogenome of the dog cucumber tapeworm Dipylidium caninum (Cestoda, Dilepididae) from Southwest China.

Publications

Complete mitogenome of the dog cucumber tapeworm <i>Dipylidium caninum</i> (Cestoda, Dilepididae) from Southwest China.

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