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Abstract
The firefly Aquatica leii (Coleoptera: Lampyridae) is widely distributed in China. In this study, we sequenced and characterized the first complete mitochondrial genome of the firefly from the subfamily Luciolinae. The circular genome of 16,856 bp in length contains 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and a non-coding AT-rich region. Overall base composition of the genome is 42.28% A, 34.80% T, 13.91% C and 9.01% G, with an AT bias of 77.08%. All protein-coding genes start with an ATN codon, and terminate with the typical stop codon TAA, TAG or a single T. The non-coding AT-rich region is unusually long (2239 bp), containing six 113 bp tandem repeats and a microsatellite-like (TA)7 element. The genome sequence is useful for studying the evolution of sexual signaling and many ecological specializations in fireflies.
Acknowledgements
We thank Kai Wang for assistance with the lab work and Dr Xinhua Fu for help in the field.
Declaration of interest
The authors report no conflict of interest. The authors alone are responsible for the content and writing of the article. This study was supported by a start-up fund from Wuhan University to HZ.