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Mitochondrial genome of Taiwania circumdata (Coleoptera: Chrysomelidae: Cassidinae) and phylogenetic analysis.


ABSTRACT: In this study we sequenced and annotated the nearly complete mitochondrial genome (mitogenome) of Taiwania circumdata (Coleoptera: Chrysomelidae: Cassidinae), an important insect pest on sweetpotato and water spinach in Southern China. This mitogenome was 13,546?bp long and encoded 13 protein-coding genes (PCGs), 19 transfer RNA genes (tRNAs) and 2 ribosomal RNA unit genes. The T. circumdata mitogenome with an A?+?T content of 77.9% presented a positive AT-skew (0.126) and a negative GC-skew (-0.160). Eleven PCGs started with a typical ATN codon, whereas the remaining two PCGs used TTG (nad1) and AAT (cox1) as the initial codon. All the 19 tRNAs had a typical secondary cloverleaf structure, except for trnS1 (AGN) which lacked the dihydrouridine arm. Phylogenetic analyses using Bayesian inference and maximum likelihood methods based on the concatenated nucleotide sequences of 13 PCGs recovered a phylogeny of Bruchinae+?((Galerucinae?+?Chrysomelinae)?+?(Criocerinae?+?Cassidinae)). In Cassidinae, T. circumdata and Laccoptera ruginosa formed a clade, which was sister to three Cassida species.

SUBMITTER: Yang XZ 

PROVIDER: S-EPMC7800996 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Mitochondrial genome of <i>Taiwania circumdata</i> (Coleoptera: Chrysomelidae: Cassidinae) and phylogenetic analysis.

Yang Xing-Zhuo XZ   Li Xiao-Peng XP   Wen Chun-Li CL   Jia Cheng-Lin CL   Zhang Li L   Yuan Ming-Long ML  

Mitochondrial DNA. Part B, Resources 20170925 2


In this study we sequenced and annotated the nearly complete mitochondrial genome (mitogenome) of <i>Taiwania circumdata</i> (Coleoptera: Chrysomelidae: Cassidinae), an important insect pest on sweetpotato and water spinach in Southern China. This mitogenome was 13,546 bp long and encoded 13 protein-coding genes (PCGs), 19 transfer RNA genes (tRNAs) and 2 ribosomal RNA unit genes. The <i>T. circumdata</i> mitogenome with an A + T content of 77.9% presented a positive AT-skew (0.126) and a negati  ...[more]

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