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蔷薇科李属植物的完整叶绿体基因组及其系统发育意义。

The complete chloroplast genome of L. (Rosaceae) and its phylogenetic implication.

作者信息

Geng Wenjuan, Ouyang Liting, Xu Min, Jing Jianyong

机构信息

College of Horticulture and Forestry, Xinjiang Agricultural University, Urumqi, China.

Laboratory of Germplasm Resources and Efficient Production of Horticultural Crops in Xinjiang, Urumqi, China.

出版信息

Mitochondrial DNA B Resour. 2020 Jul 14;5(3):2783-2784. doi: 10.1080/23802359.2020.1768928.

Abstract

commonly known as European plum is one of the most important wild fruit tree resources, and up to date, its wild community has only been found to be distributed in wild fruit forest area of the Tianshan Mountainsin Ili region of Xinjiang, China. Despite its agricultural importance and long history of cultivation, many questions remain about the origin of this species, due to absence of genome data. In this study, the complete chloroplast (cp) genome sequence of was determined using next-generation sequencing. The entire cp genome was determined to be 157,395 bp in length. It contained large single-copy (LSC) and small single-copy (SSC) regions of 85,744 and 18,949 bp, respectively, which were separated by a pair of 26,351 bp inverted repeat (IR) regions. The genome contained 130 genes, including 85 protein-coding genes, 37 tRNA genes, and eight rRNA genes. The overall GC content of the genome is 36.8%. A phylogenetic tree reconstructed by 39 chloroplast genomes reveals that is most closely related to .

摘要

通常被称为欧洲李,是最重要的野生果树资源之一。截至目前,其野生群落仅在中国新疆伊犁地区天山山脉的野生果林区域被发现。尽管它在农业上具有重要意义且有着悠久的栽培历史,但由于缺乏基因组数据,关于该物种的起源仍存在许多问题。在本研究中,利用二代测序技术测定了[物种名称未给出]的完整叶绿体(cp)基因组序列。整个cp基因组长度为157,395 bp。它包含分别为85,744 bp和18,949 bp的大单拷贝(LSC)和小单拷贝(SSC)区域,这两个区域被一对26,351 bp的反向重复(IR)区域隔开。该基因组包含130个基因,包括85个蛋白质编码基因、37个tRNA基因和8个rRNA基因。基因组的总体GC含量为36.8%。由39个叶绿体基因组重建的系统发育树表明,[物种名称未给出]与[物种名称未给出]关系最为密切。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5475/7782716/536bf85cdaa7/TMDN_A_1768928_F0001_C.jpg

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