中国外来入侵物种茜草科拉拉藤属植物的叶绿体全基因组。
The complete chloroplast genome of alien invasive species, L. (rubiaceae), in China.
作者信息
Xu Han
机构信息
Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China.
出版信息
Mitochondrial DNA B Resour. 2019 Sep 24;4(2):3248-3249. doi: 10.1080/23802359.2019.1670110.
The first complete chloroplast genome sequences of new intercepted alien weeds in China, , were reported in this study. The plastome was 154,387 bp long, with the large single copy (LSC) region of 83,625 bp, the small single copy (SSC) region of 17,475 bp, and two inverted repeat (IR) regions of 26,643 bp. The plastome contained 137 genes, including 92 proteincoding, eight ribosomal RNA, and 37 transfer RNA genes. The overall GC content was 37.2%. Phylogenetic analysis of 24 representative plastomes within the order Gentianales suggests that subfamily Cinchonoideae is closely related to subfamily Ixoroideae compared with subfamily Rubioideae in Rubiaceae. Tribe Spermacoceae was most closely related to Rubieae among the three representative groups of subfamily Rubioideae.
本研究报道了中国新截获的外来杂草的首个完整叶绿体基因组序列。该质体基因组长度为154,387bp，其中大单拷贝（LSC）区域为83,625bp，小单拷贝（SSC）区域为17,475bp，两个反向重复（IR）区域为26,643bp。该质体基因组包含137个基因，包括92个蛋白质编码基因、8个核糖体RNA基因和37个转运RNA基因。总体GC含量为37.2%。龙胆目内24个代表性质体基因组的系统发育分析表明，与茜草科中的 Rubioideae 亚科相比，金鸡纳亚科与栀子亚科关系密切。在Rubioideae亚科的三个代表性类群中，耳草族与茜草族关系最为密切。
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