Sun Fenghui, Yan Chaochao, Lv Yunyun, Pu Zhonghui, Liao Zedong, Guo Wei, Dai Min
School of Laboratory Medicine, Chengdu Medical College, Chengdu, China.
Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China.
Front Plant Sci. 2022 Jun 1;13:904178. doi: 10.3389/fpls.2022.904178. eCollection 2022.
As an important economic and medicinal crop, is rich in volatile oils and widely used in food additives, essential oils, and traditional Chinese medicine. However, the lack of the genome remains a limiting factor for understanding its medicinal properties at the molecular level. Here, based on 288.72 Gb of PacBio long reads and 105.45 Gb of Illumina paired-end short reads, we assembled a draft genome for (2.70 Gb in size, contig N50 of 2.45 Mb). Approximately 90.07% of the predicted genes were annotated in public databases. Based on comparative genomic analysis, genes involved in secondary metabolite biosynthesis, flavonoid metabolism, and terpenoid biosynthesis showed significant expansion. Notably, the , , and genes, which participate in rate-limiting steps for terpenoid backbone biosynthesis and modification, may form the genetic basis for essential oil formation in . The assembled draft genome provides a valuable genetic resource for understanding the unique features of this plant and for further evolutionary and agronomic studies of Zingiberaceae species.
作为一种重要的经济和药用作物，其富含挥发油，广泛应用于食品添加剂、香精油和传统中药中。然而，缺乏基因组仍然是在分子水平上理解其药用特性的一个限制因素。在此，基于288.72 Gb的PacBio长读段和105.45 Gb的Illumina双端短读段，我们组装了该作物的基因组草图（大小为2.70 Gb，重叠群N50为2.45 Mb）。大约90.07%的预测基因在公共数据库中得到注释。基于比较基因组分析，参与次生代谢物生物合成、黄酮类代谢和萜类生物合成的基因显示出显著扩增。值得注意的是，参与萜类骨架生物合成和修饰限速步骤的基因，可能构成该作物中香精油形成的遗传基础。所组装的该作物基因组草图为理解这种植物的独特特征以及进一步开展姜科物种的进化和农艺学研究提供了宝贵的遗传资源。
