The mitochondrial genome of the Mediterranean flour moth, Ephestia kuehniella 
(Lepidoptera: Pyralidae), and identification of invading mitochondrial 
sequences (numts) in the W chromosome

Lämmermann, K.; Vogel, Heiko; Traut, W.

doi:10.14411/eje.2016.063

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The mitochondrial genome of the Mediterranean flour moth, Ephestia kuehniella (Lepidoptera: Pyralidae), and identification of invading mitochondrial sequences (numts) in the W chromosome

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Vogel, Heiko
Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society;

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Citation

Lämmermann, K., Vogel, H., & Traut, W. (2016). The mitochondrial genome of the Mediterranean flour moth, Ephestia kuehniella (Lepidoptera: Pyralidae), and identification of invading mitochondrial sequences (numts) in the W chromosome. European Journal of Entomology, 113, 482-488. doi:10.14411/eje.2016.063.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-2268-1

Abstract

The Mediterranean flour moth, Ephestia kuehniella is a widespread pest of stored products and a classical object in experimental biology. In the present study, we determined its complete mitochondrial genome sequence. The genome is circular, consists of 15,327 bp and comprises 13 protein-coding, 2 rRNA- and 22 tRNA-coding genes in an order typical for the Ditrysia clade of the order Lepidoptera. A phylogenetic study of the Lepidoptera based on complete mitochondrial genomes places E. kuehniella correctly in the family Pyralidae and supports major lepidopteran taxa as phylogenetic clades. The W chromosome of E. kuehniella is an exceptionally rich reservoir of originally mitochondrial sequences (numts). Around 0.7% of the W DNA was found to be of mitochondrial origin, 83% of the mitogenome sequence was represented between 1-11 × in the W chromosome. Phylogenetic analysis further revealed that these numts are an evolutionary recent acquisition of the W chromosome.