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The complete sequence of the mitochondrial genome for three ...

The complete sequence of the mitochondrial genome for three Taenia tapeworm species and sequence analysis

作     者:G.H.Liu~(1,2),R.Q.Lin~1,Z.G.Yuan~1,M.W.Li~3,H.Q.Song~1,W.Liu~2,Y.Liu~(2*),X.Q.Zhu~(1**) (1.College of Veterinary Medicine,South China Agricultural University,Guangzhou,Guangdong province 510642, PR China 2.College of Veterinary Medicine,Hunan Agricultural University,Changsha 410128,Hunan province,PR China 3.Department of Veterinary Medicine,Agricultural College,Guangdong Ocean University,Guangdong Province,The People’s Republic of China) 

会议名称:《中国畜牧兽医学会家畜寄生虫学分会第六次代表大会暨第十次学术研讨会》

会议日期:2009年

学科分类:090601[农学-基础兽医学] 09[农学] 0906[农学-兽医学] 

关 键 词:complete sequence Taenia tapeworm sequence analysis 

摘      要:The complete mitochondrial gonome of three Taenia species was amplified in two overlapping fragments and then *** sizes of the entire nat genome are 13700 bp for ***,13489 bp for *** and 13647 bp for ***,*** contains 36 genes(consisting of 12 genes for encoding proteins,2 genes for rRNA and 22 genes for tRNA),but a gene for ATP synthetase subunit 8 is missing,which is consistent with all other species of cestode studied to *** genes are transcribed in the same direction and have a nucleotide composition high in A and T,but low in G and *** contents of A+T of the complete genomes are 71.3%for T. multiceps,70.8%for *** and 73.0%for *** AT bias had a significant effect on both the codon usage pattern and amino acid composition of *** the noncoding region,*** and *** have two noncoding regions,but *** only one the location of the noncoding *** include: a short non-coding region(SNR,73nucleotides) and a long non-coding region(LNR,176nucleotides),*** include:a short non-coding region(SNR,64nucleotides) and a long non-coding region(LNR,124nucleotides),T. taeniaeformis include:non-coding region 414 *** are substantial differences when compared with T. saginata,***,*** and Echinococcus multilocularis and other of non-coding *** analyses based on concatenated amino acid sequences of 3 protein-coding genes(cox1,cox2,nad6),revealed that the newly described species *** was more closely related to the others of Taenia genus, consistent with results of a previous classification based upon their morphology.

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