【摘要】 家蚕(Bombyxmori )线粒体基因组全序列为15664bp,AT含量较高,为81.3%,包括13个蛋白质编码基因,2个rRNA基因,22个tRNA基因和一段498bp的A+T富集区域。与其它10种节肢动物线粒体基因组全序列相比,家蚕与果蝇(Drosophilamelanogaster )在核苷酸组成、编码偏好性、以及氨基酸组成上较相近,只是在基因排列上,tRNAMet的位置发生了重排,在家蚕线粒体基因组中,tRNAMet位于AT富集区与tRNAIle之间,而在果蝇中,其位于tRNAGln与ND2基因之间。更多还原

【Abstract】 Thecompletesequenceof Bombyx mori mitochondrialgenomeis15664bp witha highAT contentof81.3%.It contains13protein-coding,2ribosomalRNAand22transferRNAgenes,andan A+Trichregionof498bp.Comparisonof this sequencewiththesequencesof othertencompletelysequencedanthropodmtDNAsshowedthatnucleotidecompostion,codonusage and aminoacidcompositionweremoresimilarto Drosophila exceptrearrangementof tRNA Met gene.Amongthe mitochondrial genomesof Bombyx mori,tRNA met locatedbetweenA+TrichregionandtRNA Ile ,whileamongDrosophila melanogaster,it located betweentRNA Gln andND2.更多还原