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Abstract
The complete nucleotide sequence of the mitochondrial genome of Macrotermes barneyi Light (Isoptera: Termitidae) was determined. This mitochondrial genome is 15,940 bp with 37 typical animal mitochondrial genes and an A+T-rich region. Gene positions and directions are identical to that of the pupative ancestral arrangement of insects. All protein-coding genes start with ATN codon. Seven protein-coding genes stop with termination codon TAA. Four protein-coding genes use incomplete stop codons TA and two use T. The base composition of M. barneyi mitochondrial genome is normal to most insects. All of the 22 tRNA genes, ranging from 63 to 76 bp, have a typical cloverleaf structure except for trnS2. In trnS2, D-stem pairings in the DHU (dihydrouridine) arm is absent as in many sequenced insect species. Five elements characterized by A+T-rich region of the insect mitochondrial genome are found on their conserved arrangement. However, no repeat sequence is present on the downstream of the A+T-rich region.
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Declaration of interest Funding for this study was provided jointly by the National Science Foundation of China (No. 31101661), Opening Project of State Key Laboratory of Microbial Technology, Shandong University (M2011-10), Beijing New Star Program on Science and Technology (No. 2010B027), Special Fund for the Promotion and Innovation of Beijing Academy of Agriculture and Forestry Sciences (No. KJCX201104009), and Beijing Excellent Talents Program (No. 2010D002020000010) to SJW. The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.