Wang Liqiang, Zhang Xiaohan, Li Hongqin, Wang Shu
College of Pharmacy, Heze University, Heze, Shandong Province, P. R. China.
Mitochondrial DNA B Resour. 2024 Jul 16;9(7):871-875. doi: 10.1080/23802359.2024.2378996. eCollection 2024.
H.W. Kung 1935, belonging to the Amaranthaceae family, is recognized for its significant medicinal properties. However, molecular research on this species has been limited. This study represents the inaugural documentation of the sequencing and assembly of the complete plastome of . The genome spans a total length of 149,969 base pairs (bp), exhibiting a conventional quadripartite structure. This structure comprises a large single-copy (LSC) region of 83,917 bp, a small single-copy (SSC) region of 18,124 bp, and two inverted repeat (IR) regions, each extending to 23,964 bp. In its entirety, the plastome encompasses 128 genes, of which 107 are unique, encompassing 77 individual protein-coding genes, 26 unique tRNA genes, and four unique rRNA genes. Phylogenetic analysis has shown a close resemblance between and , both part of the subgenus . Although the genus is roughly divided into three subgenera, additional plastid genomic data are required for a more accurate assignment of and . The sequencing of this plastome is a significant step forward, likely to expedite the development of molecular markers and significantly contribute to genetic assays involving this distinctive species.
H.W. Kung于1935年被发现，属于苋科，因其显著的药用特性而闻名。然而，对该物种的分子研究一直有限。本研究首次记录了该物种完整质体基因组的测序和组装。该基因组全长149,969个碱基对（bp），呈现出传统的四分体结构。这种结构包括一个83,917 bp的大单拷贝（LSC）区域、一个18,124 bp的小单拷贝（SSC）区域以及两个反向重复（IR）区域，每个反向重复区域延伸至23,964 bp。该质体基因组总共包含128个基因，其中107个是独特的，包括77个单独的蛋白质编码基因、26个独特的tRNA基因和4个独特的rRNA基因。系统发育分析表明，该物种与同属亚属的另一物种非常相似。虽然该属大致分为三个亚属，但需要更多的质体基因组数据才能更准确地确定该物种和另一物种的归属。该质体基因组的测序是向前迈出的重要一步，可能会加速分子标记的开发，并对涉及这一独特物种的遗传分析做出重大贡献。
