（兰科：沼兰亚族）的完整叶绿体基因组。
The complete chloroplast genome of (Orchidaceae: Malaxideae).
作者信息
Yang Wen-Ting, Wu Kun-Lin, Fang Lin, Wen Tie-Long, Zeng Song-Jun, Li Lin
机构信息
Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.
Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.
出版信息
Mitochondrial DNA B Resour. 2022 Aug 29;7(8):1565-1567. doi: 10.1080/23802359.2022.2111980. eCollection 2022.
is a rare orchid species of the tribe Malaxideae mainly distributed in tropical Asia. This is the only species of the genus Thouars which has been reported to occur in China. Despite the importance of this genus, previous molecular studies based on few markers have resulted in limited phylogenetic resolution. With the decline of habitats, the wild population of has decreased in recent years. In this study, we first reported the complete chloroplast (cp) genome of . The entire cp genome was determined to be 158,056 bp in length with overall GC content of 36.9%, containing a pair of inverted repeat regions (IRs) of 27,006 bp, separated by a large single-copy (LSC, 86,280 bp) and a small single-copy (SSC, 17,764 bp). A total of 133 unique genes were annotated, including 87 protein-coding genes, 38 tRNA genes, and eight rRNA genes. The phylogenetic tree indicated that was a sister group of the genus and the epiphytic alliance with strong support.
是沼兰族一种稀有的兰花物种，主要分布于热带亚洲。这是已报道在中国有分布的兜蕊兰属的唯一物种。尽管该属很重要，但以往基于少数标记的分子研究导致系统发育分辨率有限。随着栖息地的减少，近年来其野生种群数量有所下降。在本研究中，我们首次报道了的完整叶绿体（cp）基因组。整个cp基因组长度为158,056 bp，总体GC含量为36.9%，包含一对27,006 bp的反向重复区域（IRs），被一个大单拷贝（LSC，86,280 bp）和一个小单拷贝（SSC，17,764 bp）隔开。总共注释了133个独特基因，包括87个蛋白质编码基因、38个tRNA基因和8个rRNA基因。系统发育树表明，在有力支持下，是与属和附生的联盟的姐妹群。
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