生物
基因
遗传学
基因组
转移RNA
基因间区
基因密度
反向重复
内含子
GC含量
系统发育树
叶绿体DNA
基因组计划
核糖核酸
作者
Jia Li,Lei Gao,Ke Tao,Yingjuan Su,Ting Wang
标识
DOI:10.3109/19401736.2015.1060439
摘要
The complete chloroplast genome sequence of Amentotaxus argotaenia was determined in this study. The genome is 136 657 bp in length and lacks one inverted repeat region. The overall GC content of the genome is 35.85% (protein-coding genes, 36.90%; tRNA genes, 53.31%; rRNA genes, 52.99%; introns, 36.10%; intergenic spacers, 31.03%). The A. argotaenia chloroplast genome contains 118 unique genes, including 83 protein-coding genes, 31 tRNA genes, and four rRNA genes. Ten protein-coding genes and six tRNA genes have one intron, while ycf3 contains two. The coding regions occupy 60.27% of the genome length and the gene density is estimated to be 0.88 genes/kb. A maximum likelihood phylogenetic analysis suggested that Amentotaxus is sister to Taxus within the Taxaceae family.
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