Int J Biol Sci 2005; 1:13-18. doi:10.7150/ijbs.1.13 This volume
Short research paper
1 USDA-ARS, Corn Insect and Crop Genetics Research Unit, Genetics Laboratory, c/o Insectary, Iowa State University, Ames, Iowa, 50011
2 Interdepartmental Genetics Program, Iowa State University, Ames, IA, 50011
3 Department of Entomology, Iowa State University, Ames, IA, 50011
Contiguous 14,535 and 14,536 nt near complete mitochondrial genome sequences respectively were obtained for Ostrinia nubilalis and Ostrinia furnicalis. Mitochondrial gene order was identical to that observed from Bombyx. Sequences comparatively showed 186 substitutions (1.3% sequence divergence), 170 CDS substitutions (131 at 3rd codon positions), and an excess of transition mutation likely resulting by purifying selection (dN/dS = ω ≅ 0.15). Overall substitution rates were significantly higher at 4-fold (5.2%) compared to 2-fold degenerate codons (2.6%). These are the 3rd and 4th lepidopteran mitochondrial genome reference sequences in GenBank and useful for comparative mitochondrial studies.
Keywords: Ostrinia nubilalis, Ostrinia furnicalis, mitochondrial variation