Assembly and analysis of the complete mitochondrial genome of Prunus davidiana (Rosaceae)

文献类型： 外文期刊

第一作者： Zhang, Yuyan

作者： Zhang, Yuyan;Ma, Ruijuan;Yu, Mingliang;Xu, Jianlan;Shen, Zhijun;Zhang, Yuyan;Guo, Xin

作者机构：

关键词： Prunus davidiana; mitochondrial genome; repeats; phylogenetic analysis; indel marker

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）

ISSN： 1664-462X

年卷期： 2025 年 16 卷

页码：

收录情况： SCI

摘要： Prunus davidiana is an excellent woody species with high resistance to various abiotic and biotic stresses. The species is also a potential gene donor due to its important developmental prospects. However, the characterisation of the mitochondrial genome (mitogenome) remains unexplored. In this study, we sequenced and assembled the mitogenome of P. davidiana using reads from Illumina sequencing and the Oxford Nanopore platform. According to the results, the P. davidiana mitogenome is 407,608 bp in length, with a GC content of 45.5%. It contains 64 genes, including 39 protein-coding genes, 22 tRNA genes and 3 rRNA genes. Codon usage, repetitive sequences, nonsynonymous to synonymous substitution ratios, RNA editing, synteny, and phylogenetic relationships among Rosaceae species and gene migration events were investigated. In addition, two novel indel markers were developed to distinguish several Prunus species (i.e. P. pseudocerasus, P. armeniaca, P. salicina and P. davidiana). The results of our analyses provide valuable information and a theoretical basis for future research on P. davidiana.

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