Dataset Information

The mitochondrial genome of Paramphistomum cervi (Digenea), the first representative for the family Paramphistomidae.

ABSTRACT: We determined the complete mitochondrial DNA (mtDNA) sequence of a fluke, Paramphistomum cervi (Digenea: Paramphistomidae). This genome (14,014 bp) is slightly larger than that of Clonorchis sinensis (13,875 bp), but smaller than those of other digenean species. The mt genome of P. cervi contains 12 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and 2 non-coding regions (NCRs), a complement consistent with those of other digeneans. The arrangement of protein-coding and ribosomal RNA genes in the P. cervi mitochondrial genome is identical to that of other digeneans except for a group of Schistosoma species that exhibit a derived arrangement. The positions of some transfer RNA genes differ. Bayesian phylogenetic analyses, based on concatenated nucleotide sequences and amino-acid sequences of the 12 protein-coding genes, placed P. cervi within the Order Plagiorchiida, but relationships depicted within that order were not quite as expected from previous studies. The complete mtDNA sequence of P. cervi provides important genetic markers for diagnostics, ecological and evolutionary studies of digeneans.

SUBMITTER: Yan HB

PROVIDER: S-EPMC3750040 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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The mitochondrial genome of Paramphistomum cervi (Digenea), the first representative for the family Paramphistomidae.

Yan Hong-Bin HB Wang Xing-Ye XY Lou Zhong-Zi ZZ Li Li L Blair David D Yin Hong H Cai Jin-Zhong JZ Dai Xue-Ling XL Lei Meng-Tong MT Zhu Xing-Quan XQ Cai Xue-Peng XP Jia Wan-Zhong WZ

PloS one 20130822 8

We determined the complete mitochondrial DNA (mtDNA) sequence of a fluke, Paramphistomum cervi (Digenea: Paramphistomidae). This genome (14,014 bp) is slightly larger than that of Clonorchis sinensis (13,875 bp), but smaller than those of other digenean species. The mt genome of P. cervi contains 12 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and 2 non-coding regions (NCRs), a complement consistent with those of other digeneans. The arrangement of protein-coding and riboso ...[more]

PMID: 23990943

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Project description:Mitochondrial (mt) genome sequences are widely used to understand phylogenetic relationships among parasites. However, no complete mt genome sequence is available in the family Anoplocephalidae to date. This study sequenced and annotated the complete mt genome of Anoplocephala perfoliata (Anoplocephalidae), and investigated its phylogenetic relationships with other species from the families Hymenolepididae, Dipylidiidae and Taeniidae of the order Cyclophyllidea using the amino acid sequences of the 12 proteins in their mt genomes.The complete mt genome of A. perfoliata was amplified by Long-range PCR, sequenced using primer walking and annotated by comparing with those of other cestodes. Its phylogenetic relationship with the species from the families Hymenolepididae, Dipylidiidae and Taeniidae was inferred using the 12 protein sequences based on Maximum likelihood and Bayesian methods.The complete circular mt genome sequence for A. perfoliata is 14,459 bp in size, and includes 12 protein-coding genes, 2 rRNA genes and 22 tRNA genes. The mt gene arrangement of A. perfoliata is identical to those of previously reported Hymenolepis diminuta (Hymenolepididae) and Dipylidium caninum (Dipylidiidae), but slightly different from those of other taeniids due to an order switch between tRNA(S2) and tRNA(L1). The phylogenetic analyses showed that the Dipylidiidae was more closely related to Anoplocephalidae and Hymenolepididae than to Taeniidae. The relationship among the four families obtained by Maximum likelihood and Bayesian inferences based on predicted amino acid sequences of protein-coding genes is consistent with that based on their mt gene arrangement similarities.This study determined the first mt genome for the family Anoplocephalidae, providing rich sources for selecting useful molecular markers for ecological and phylogenetic studies. Analyses on mt genome sequences of the four families of cestodes provide novel insights into their phylogenetic relationships. Of course, more taxon sampling is necessary for future phylogenetic studies of these cestodes using mt genome sequences.

Dataset Information

The mitochondrial genome of Paramphistomum cervi (Digenea), the first representative for the family Paramphistomidae.

Publications

The mitochondrial genome of Paramphistomum cervi (Digenea), the first representative for the family Paramphistomidae.

Similar Datasets

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