Comparative and Phylogenetic Analysis of Complete Chloroplast Genomes of Five Mangifera Species

文献类型： 外文期刊

第一作者： Tang, Yujuan

作者： Tang, Yujuan;Yang, Xiangyan;Luo, Shixing;Huang, Guodi;Zhang, Yu;Zhao, Ying;Li, Riwang;Guo, Limei;Ran, Mengyang;Tang, Yujuan;Yang, Xiangyan;Luo, Shixing;Huang, Guodi;Zhang, Yu;Zhao, Ying;Li, Riwang;Guo, Limei;Ran, Mengyang;Tang, Yujuan;Yang, Xiangyan;Luo, Shixing;Huang, Guodi;Zhang, Yu;Zhao, Ying;Li, Riwang;Guo, Limei;Ran, Mengyang;Gao, Aiping;Huang, Jianfeng

作者机构：

关键词： Mangifera; chloroplast genome; Illumina; polymorphism analysis; phylogenetic analysis

期刊名称：GENES （ 影响因子：2.8； 五年影响因子：3.2 ）

ISSN：

年卷期： 2025 年 16 卷 6 期

页码：

收录情况： SCI

摘要： Background/Objectives: Mango, which is known as the "King of Tropical Fruits", is an evergreen plant belonging to the Anacardiaceae family. It belongs to the genus Mangifera, which comprises 69 species of plants found in tropical and subtropical regions, including India, Indonesia, the Malay Peninsula, Thailand, and South China. However, research on the structural information of complete chloroplast genomes of Mangifera is limited. Methods: The rapid advancement of high-throughput sequencing technology enables the acquisition of the entire chloroplast (cp) genome sequence, providing a molecular foundation for phylogenetic research. This work sequenced the chloroplast genomes of six Mangifera samples, performed a comparative analysis of the cp genomes, and investigated the evolutionary relationships within the Mangifera genus. Results: All six Mangifera samples showed a single circular molecule with a quadripartite structure, ranging from 157,604 bp to 158,889 bp in length. The number of RNA editing sites ranged from 60 to 61, with ndhB exhibiting the highest number of RNA editing sites across all species. Seven genes-namely, atpB, cemA, clpP, ndhD, petB, petD, and ycf15-exhibited a Ka/Ks value > 1, suggesting they may be under positive selection. Phylogenetic analysis revealed that Mangifera siamensis showed a close relationship between Mangifera indica and Mangifera sylvatica. Conclusions: Our comprehensive analysis of the whole cp genomes of the five Mangifera species offers significant insights regarding their phylogenetic reconstruction. Moreover, it elucidates the evolutionary processes of the cp genome within the Mangifera genus.

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