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Four Mitochondrial Genomes of Buprestinae (Coleoptera: Buprestidae) and Phylogenetic Analyses
Yingying Li1, Jieqiong Wang1, Bowen Ouyang1
1College of Life Sciences, China West Normal University, Nanchong 637009, China.
Background:
The family Buprestidae is one of the largest families in Coleoptera; however, the number of reported mitochondrial genomes for this family is limited.
Methods:
In this study, mitogenomes of Chrysobothris violacea, C. shirakii, Buprestis fairmairei, and Phaenops yin were sequenced, assembled, and annotated. The mitogenomes of Chrysobothris, Phaenops, and Buprestis are reported for the first time.
Results:
The mitogenomes of Chrysobothris violacea, C. shirakii, and Phaenops yin are complete, while the mitogenome of Buprestis fairmairei is partial, lacking trnV and 12S genes. The AT-skew of these four mitogenomes is positive (0.02-0.09). Among the protein-coding genes, the Ka/Ks ratio for cox1 is the lowest (0.05), and the nucleotide diversity for nd6 is the highest.
Conclusions:
The phylogenetic trees based on mitogenome sequences suggest that the target genus Chrysobothris is sister to Phaenops, and the target genus Buprestis is sister to (Melanophila + (Chrysobothris + Phaenops)) clade. The results of this study will provide mitogenomic data for further research on the mitogenome and phylogeny of Buprestidae.
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