The complete chloroplast genome sequence of Lemna turionifera (Araceae).

Pub Date : 2024-07-31 eCollection Date: 2024-01-01 DOI:10.1080/23802359.2024.2384577

Jiexin Lin, Zhongyuan Lin, Yanqiong Chen, Huibin Xu

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Abstract

Lemna turionifera is native to North America and northern Asia, with significant potential for industrial wastewater remediation. The complete nucleotide sequence of the L. turionifera chloroplast genome (cpDNA) was determined. The cpDNA is a circular molecule of 166,606 bp and containing a pair of inverted repeats (IRs) measuting 31,663 bp each. These IRs are flanked by a small single-copy region of 13,542 bp and a large single-copy region of 89,738 bp. The chloroplast genome of L. turionifera consisted of 112 unique genes, including 78 protein-encoding genes, 30 tRNA genes, and four rRNA genes. The phylogenetic analysis utilizing cpDNA provided a well-supported resolution of the relationships among subfamilies within the Araceae family. Our findings indicated a close relationship between L. turionifera and a clade consisting of L. minor, L. japonica, and L. gibba. The availability of the complete chloroplast genome sequence of L. turionifera presents valuable data for future phylogenetic investigations within the Lemnaceae family.

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Lemna turionifera（天南星科）完整的叶绿体基因组序列。

Lemna turionifera 原产于北美洲和亚洲北部，在工业废水修复方面具有巨大潜力。L. turionifera叶绿体基因组（cpDNA）的完整核苷酸序列已经确定。cpDNA 是一个 166,606 bp 的环状分子，包含一对各 31,663 bp 的倒置重复序列（IR）。这些 IR 的两侧分别是一个 13,542 bp 的小的单拷贝区和一个 89,738 bp 的大的单拷贝区。L.turionifera的叶绿体基因组由112个独特的基因组成，包括78个编码蛋白质的基因、30个tRNA基因和4个rRNA基因。利用 cpDNA 进行的系统进化分析为天南星科各亚科之间的关系提供了可靠的依据。我们的研究结果表明，L. turionifera 与由 L. minor、L. japonica 和 L. gibba 组成的支系关系密切。L. turionifera 的完整叶绿体基因组序列的获得为今后研究茜草科的系统发育提供了宝贵的数据。

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