The complete mitochondrial genome sequence of Southwellina hispida supports monophyly of Palaeacanthocephala (Acanthocephala: Polymorphida)

Gazi, Mohiuddin; Kim, Jiyeon; Park, Joong Ki

doi:10.1016/j.parint.2015.01.009

Cited by 18 publications

(30 citation statements)

References 33 publications

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“…; Gazi et al . ). However, the Lemniscea hypothesis was not supported by transcriptome data where Acanthocephala was closely related to Seisonidea instead of Bdelloidea (Wey‐Fabrizius et al .…”

Section: Resultsmentioning

confidence: 97%

“…It has been reported that the occurrence of truncated (incomplete) stop codons is not uncommon in metazoan mtDNAs including acanthocephalan species: three genes ( cox2, nad3 and nad6 ) for polymorphid representative Southwellina hispida (Gazi et al . ) , five genes ( cox1, nad4, nad5 , cob and nad1 ) for echinorhynchid L. thecatus (Steinauer et al . ) , five genes ( cox1, nad6 , nad5 , cob and cox3 ) for archiacanthocephalan O. luehei (Gazi et al .…”

Section: Resultsmentioning

confidence: 99%

“…; Gazi et al . , ], Rotifera [Min & Park ]), there is a substantial difference in the relative frequencies of codon usage in the third codon positions of the 12 PCGs of C. aluconis and P. transversus mtDNA. It is strongly biased towards thymine (T) avoiding cytosine (C): in case of phenylalanine, the frequencies of TTT are high (4.67% and 6.26%), but the relative frequencies of TTC are drastically decreased (0.75% and 0.44%) in both species.…”

Section: Resultsmentioning

confidence: 99%

“…Within Platyzoa, monophyly of major clades such as Platyhelminthes, Syndermata, Acanthocephala and Lemniscea (Acanthocephala + Bdelloidea) was recovered, and monophyletic Monogononta was sister to the Lemniscea clade, but eurotatorian rotifers were not monophyletic as revealed in the previous studies (Min & Park ; Gazi et al . , ; Weber et al . ; Pan & Nie ).…”

Section: Resultsmentioning

confidence: 99%

“…In recent years, comparative analyses of mitochondrial genome data have proven useful for assessing phylogenetic relationships among major groups of Syndermata and testing alternative hypotheses for the internal phylogeny of acanthocephalan groups (Min & Park ; Gazi et al . , ; Weber et al . ).…”

Section: Introductionmentioning

confidence: 99%

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Mitogenomic phylogeny of Acanthocephala reveals novel Class relationships

et al. 2016

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K. (2016). Mitogenomic phylogeny of Acanthocephala reveals novel Class relationships. -Zoologica Scripta, 45, 437-454. The Acanthocephala is a phylum of obligate endoparasitic animals comprising four classes (Archiacanthocephala, Palaeacanthocephala, Eoacanthocephala and Polyacanthocephala), although the phylogenetic interrelationships of these classes still remains unresolved. To investigate phylogenetic relationships of major acanthocephalan groups, we characterized the complete mitochondrial genome sequences of two palaeacanthocephalan species Centrorhynchus aluconis and Prosthorhynchus transversus (representing two different families of the order Polymorphida), and Polyacanthorhynchus caballeroi (the first mitogenomic representative of the class Polyacanthocephala) and used these new sequences for phylogenetic analyses, along with 32 platyzoan mtDNAs, including 10 additional acanthocephalans. Phylogenetic analyses using concatenated amino acid sequences for 12 protein-coding genes with maximum likelihood and Bayesian inference methods supported monophyly of Acanthocephala. Within the phylum, Archiacanthocephala was positioned as the sister to the clade containing all three other acanthocephalan classes, with the polyacanthocephalan species P. caballeroi nested within Eoacanthocephala. This result contradicts morphology-based classification systems that treated polyacanthorhynchids as one of the palaeacanthocephalan families, and instead suggests Polyacanthocephala is a member of Eoacanthocephala. Within the Palaeacanthocephala, Polymorphida monophyly was strongly supported and this is inconsistent with nuclear rDNA-based molecular hypotheses that suggest non-monophyly.

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Section: Resultsmentioning

confidence: 97%

Section: Resultsmentioning

confidence: 99%