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Int. J. Mol. Sci. 2012, 13(8), 10236-10256; doi:10.3390/ijms130810236

The Complete Mitochondrial Genome of the Pink Stem Borer, Sesamia inferens, in Comparison with Four Other Noctuid Moths

Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China
Author to whom correspondence should be addressed.
Received: 25 May 2012 / Revised: 1 August 2012 / Accepted: 11 August 2012 / Published: 16 August 2012
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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The complete 15,413-bp mitochondrial genome (mitogenome) of Sesamia inferens (Walker) (Lepidoptera: Noctuidae) was sequenced and compared with those of four other noctuid moths. All of the mitogenomes analyzed displayed similar characteristics with respect to gene content, genome organization, nucleotide comparison, and codon usages. Twelve-one protein-coding genes (PCGs) utilized the standard ATN, but the cox1 gene used CGA as the initiation codon; cox1, cox2, and nad4 genes had the truncated termination codon T in the S. inferens mitogenome. All of the tRNA genes had typical cloverleaf secondary structures except for trnS1(AGN), in which the dihydrouridine (DHU) arm did not form a stable stem-loop structure. Both the secondary structures of rrnL and rrnS genes inferred from the S. inferens mitogenome closely resembled those of other noctuid moths. In the A+T-rich region, the conserved motif “ATAGA” followed by a long T-stretch was observed in all noctuid moths, but other specific tandem-repeat elements were more variable. Additionally, the S. inferens mitogenome contained a potential stem-loop structure, a duplicated 17-bp repeat element, a decuplicated segment, and a microsatellite “(AT)7”, without a poly-A element upstream of the trnM in the A+T-rich region. Finally, the phylogenetic relationships were reconstructed based on amino acid sequences of mitochondrial 13 PCGs, which support the traditional morphologically based view of relationships within the Noctuidae. View Full-Text
Keywords: Sesamia inferens; mitochondrial genome; lepidoptera; Noctuidae; phylogenetic relationship Sesamia inferens; mitochondrial genome; lepidoptera; Noctuidae; phylogenetic relationship
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Chai, H.-N.; Du, Y.-Z. The Complete Mitochondrial Genome of the Pink Stem Borer, Sesamia inferens, in Comparison with Four Other Noctuid Moths. Int. J. Mol. Sci. 2012, 13, 10236-10256.

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