木兰科观赏树种荷花玉兰（学名：Magnolia grandiflora Linn.）的叶绿体全基因组序列
Complete chloroplast genome sequence of var Linnaeus, an ornamental tree species of Magnoliaceae.
作者信息
Chen Shaoyu, Wu Tao, Fu Yupin, Hao Jiabo, Ma Huifen, Zhu Yunfeng, Sima Yongkang
机构信息
Yunnan Academy of Forestry and Grassland Science, Kunming, People's Republic of China.
出版信息
Mitochondrial DNA B Resour. 2020 Jul 15;5(3):2839-2841. doi: 10.1080/23802359.2020.1790314.
var is an ornamentally important tree in Magnoliaceae. The paper reported the complete chloroplast genome (cpDNA) of var and its basic annotated information. The size of cpDNA is 160,008 bp, with a typical quadripartite structure of a large single-copy (LSC) region of 88,037 bp and a small single-copy (SSC) region of 18,809 bp separated by a pair identical inverted repeat regions (IRs) of 26,581 bp each. The genome contained 131 genes (113 unique), including 86 protein-coding genes (80 unique), 37 tRNA genes (29 unique), and eight rRNA genes (four unique). Phylogenetic analysis showed that var is affinal to and they form a nomophyletic group with other eight species. This clade is sister to the clade with high support. All genera mentioned in this analysis are nomophyletic under the system of Magnoliaceae by Sima and Lu.
var是木兰科中具有重要观赏价值的树木。本文报道了var的完整叶绿体基因组（cpDNA）及其基本注释信息。cpDNA大小为160,008 bp，具有典型的四分体结构，其中大单拷贝（LSC）区域为88,037 bp，小单拷贝（SSC）区域为18,809 bp，由两个长度均为26,581 bp的相同反向重复区域（IRs）隔开。该基因组包含131个基因（113个独特基因），包括86个蛋白质编码基因（80个独特基因）、37个tRNA基因（29个独特基因）和8个rRNA基因（4个独特基因）。系统发育分析表明，var与 亲缘关系较近，它们与其他8个 物种形成一个单系类群。这个 分支是与 分支亲缘关系较近且支持率较高的姐妹分支。本分析中提到的所有属在司马和陆的木兰科系统下都是单系的。
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