Characterization of the complete chloroplast genome of Liparis gigantea (Orchidaceae).

Pub Date : 2024-10-16 eCollection Date: 2024-01-01 DOI:10.1080/23802359.2024.2415134

Xingyou Jiang, Wenting Yang, Caixia Peng, Kunlin Wu, Lin Fang, Jingjue Zeng, Songjun Zeng, Lin Li

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Abstract

Liparis gigantea is a Chinese traditional medicinal herb in the Orchidaceae family. It is a rare and special Liparis species that exhibits relatively large flowers. To illuminate its phylogenetic status and augment genomic resources, the complete chloroplast (cp) genome of L. gigantea was first sequenced and assembled using whole genome next-generation sequencing in this study. The cp genome size is 158,462 bp with a total GC content of 36.9%. Characterized by a quadripartite structure, the genome consists of a large single-copy (LSC) region of 86,032 bp, a small single-copy (SSC) region of 18,322 bp, which is separated by a pair of 27,054 bp inverted repeat regions (IRs). A total of 133 genes were annotated, including 87 protein-coding genes, 38 tRNA genes, and 8 rRNA genes. Phylogenetic analysis strongly supported L. gigantea as the sister to two closely related terrestrial species, Liparis nervosa and L. vivipara. The results of this study provide genomic information for future research and application of this medicinal herb.

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Liparis gigantea（兰科）完整叶绿体基因组的特征。

大花杓兰是一种兰科中药材。它是一种罕见的特殊桔梗品种，花朵相对较大。为了阐明其系统发育状况并增加基因组资源，本研究首次采用全基因组新一代测序技术对其叶绿体（cp）基因组进行了测序和组装。cp 基因组大小为 158,462 bp，总 GC 含量为 36.9%。该基因组具有四方结构，包括一个 86,032 bp 的大单拷贝（LSC）区和一个 18,322 bp 的小单拷贝（SSC）区，这两个区被一对 27,054 bp 的反向重复区（IRs）隔开。共注释了 133 个基因，包括 87 个蛋白质编码基因、38 个 tRNA 基因和 8 个 rRNA 基因。系统发育分析强烈支持 gigantea 是两个密切相关的陆生物种 Liparis nervosa 和 L. vivipara 的姐妹种。这项研究的结果为该药材未来的研究和应用提供了基因组信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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