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Complete Mitochondrial Genome Sequence, Characteristics, and Phylogenetic Analysis of Oenanthe javanica

文献类型: 外文期刊

作者: Li, Xiaoyan 1 ; Han, Qiuju 1 ; Li, Mengyao 1 ; Luo, Qing 1 ; Zhu, Shunhua 2 ; Zheng, Yangxia 1 ; Tan, Guofei 2 ;

作者机构: 1.Sichuan Agr Univ, Coll Hort, Chengdu 611130, Peoples R China

2.Guizhou Acad Agr Sci, Inst Hort, Guiyang 550006, Peoples R China

关键词: watercress; mitochondrial genome; repetitive sequence; phylogenetic analysis

期刊名称:AGRONOMY-BASEL ( 影响因子:3.7; 五年影响因子:4.0 )

ISSN:

年卷期: 2023 年 13 卷 8 期

页码:

收录情况: SCI

摘要: The plant mitochondria play a crucial role in various cellular energy synthesis and conversion processes and are essential for plant growth. Watercress (Oenanthe javanica) is a fast-growing vegetable with strong adaptability and wide cultivation range, and it possesses high nutritional value. In our study, we assembled the O. javanica mitochondrial genome using the Illumina and Nanopore sequencing platforms. The results revealed that the mitochondrial genome map of watercress has a circular structure of 384,074 bp, containing 28 tRNA genes, 3 rRNA genes, and 34 protein-coding genes. A total of 87 SSR (simple sequence repeat) loci were detected, with 99% composed of palindrome repeats and forward repeats, while no complementary repeats were identified. Codon preference analysis indicated that watercress prefers to use codons encoding leucine, isoleucine, and serine with a preference for A/U-ending codons. Phylogenetic analysis showed that watercress is closely related to species of Bupleurum, Apium, Angelica, and Daucus, with the closest evolutionary relationship observed with Saposhnikovia divaricata and Apium graveolens. This study provides a valuable resource for the study of the evolution and molecular breeding of watercress.

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