Mitochondrial genomes of two luminous beetles, Rhagophthalmus lufengensis and R. ohbai (Arthropoda, Insecta, Coleoptera)

We determined the mitochondrial DNA (mtDNA) sequences of two luminous beetles (Arthropoda, Insecta, Coleoptera), Rhagophthalmus lufengensis from Yunnan, China and Rhagophthalmus ohbai from Yaeyama Island, Japan. We identified all the 37 mtDNA genes of R. lufengensis (15,982 bp) and the 34 genes of R...

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Bibliographic Details
Published in:Gene 2007-05, Vol.392 (1), p.196-205
Main Authors: Li, Xueyan, Ogoh, Katsunori, Ohba, Nobuyoshi, Liang, Xingcai, Ohmiya, Yoshihiro
Format: Article
Language:English
Subjects:
Animals
Arthropoda
Base Sequence
Coleoptera
Coleoptera - genetics
Genes, Mitochondrial
Genome, Insect
Insecta
Luminous beetle
Mitochondrial genome
Molecular phylogeny
Molecular Sequence Data
Nucleic Acid Conformation
Open Reading Frames
Phylogeny
Rhagophthalmus lufengensis
Rhagophthalmus ohbai
RNA, Ribosomal - genetics
RNA, Transfer - genetics
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Summary:We determined the mitochondrial DNA (mtDNA) sequences of two luminous beetles (Arthropoda, Insecta, Coleoptera), Rhagophthalmus lufengensis from Yunnan, China and Rhagophthalmus ohbai from Yaeyama Island, Japan. We identified all the 37 mtDNA genes of R. lufengensis (15,982 bp) and the 34 genes of R. ohbai (15,704 bp). R. lufengensis and R. ohbai genomes have higher A + T contents than other coleopteran genomes although the gene arrangements are similar. Interestingly, in a study of the evolutionary relationship among R. lufengensis, R. ohbai and the firefly Pyrocoelia rufa, the phylogenetic tree inferred from lrRNA genes from mitochondrial genomes indicates a biogeographic relationship among the bioluminescent insects in East Asia and the phylogenetic tree inferred from luciferase-related genes from nuclear genomes shows an appropriate relationship among coleopterans, reflecting the evolutionary origin of bioluminescence. Thus, the mtDNAs of luminescent beetles can provide an insight into their evolutionary origin and biogeography.
ISSN:0378-1119
1879-0038
DOI:10.1016/j.gene.2006.12.017