Characterization of the complete mitochondrial genome of Brentisentisyangtzensis Yu & Wu, 1989 (Acanthocephala, Illiosentidae)

ZooKeys
Rui SongYuan-An Wu

Abstract

The mitogenome of Brentisentisyangtzensis is 13,864 bp in length and has the circular structure typical of metazoans. It contains 36 genes: 22 transfer RNA genes (tRNAs), two ribosomal RNA genes (rRNAs) and 12 protein-encoding genes (PCGs). All genes are transcribed from the same strand. Thirteen overlapping regions were found in the mitochondrial genome. The overall A+T content of B.yangtzensis is 68.3% versus 31.7% of G+C content (A = 27.8%, T = 40.5%, C = 9.0%, G = 22.7%). B.yangtzenensis (Illiosentidae) and Leptorhynchoidesthecatus (Rhadinorhynchidae) form a sister clade, showing the relatively close relationship between the Illiosentidae and the Rhadinorhynchidae. The mitochondrial gene arrangements of acanthocephalan species are relatively conserved, with only a few translocations of tRNAs (trnS1, trnS2, trnV, and trnK) detected. An identical gene order was found both in a sister clade (Centrorhynchusaluconis and Plagiorhynchustransversus) and across different classes (B.yangtzensis (Palaeacanthocephala), Acanthosentischeni (Eoacanthocephala) and Macracanthorhynchushirudinaceus (Archiacanthocephala), Oncicolaluehei and L.thecatus (Palaeacanthocephala)). More studies and more sequences of acanthocephalan species are needed...Continue Reading

References

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Datasets Mentioned

BETA
MK651258
and

Methods Mentioned

BETA
PCR

Software Mentioned

MITOS
phylip
BLAST
PartitionFinder2
ARWEN
Fasta
ORF Finder
DNAstar
ggplot2
MAFFT

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