Building an octaploid genome and transcriptome of the medicinal plant Pogostemon cablin from Lamiales.,Scientific Data

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Building an octaploid genome and transcriptome of the medicinal plant Pogostemon cablin from Lamiales.
Scientific Data ( IF 5.8 ) Pub Date : 2018-Dec-11 , DOI: 10.1038/sdata.2018.274
Yang He ₁ , Fu Peng ₂ , Cao Deng ₃ , Liang Xiong ₁ , Zi-Yan Huang ₃ , Ruo-Qi Zhang ₁ , Meng-Jia Liu ₃ , Cheng Peng ₁

Affiliation

The Lamiales order presents highly varied genome sizes and highly specialized life strategies. Patchouli, Pogostemon cablin (Blanco) Benth. from the Lamiales, has been widely cultivated in tropical and subtropical areas of Asia owing to high demand for its essential oil. Here, we generated ~681 Gb genomic sequences (~355X coverage) for the patchouli, and the assembled genome is ~1.91 Gb and with 110,850 predicted protein-coding genes. Analyses showed clear evidence of whole-genome octuplication (WGO) since the pan-eudicots γ triplication, which is a recent and exclusive polyploidization event and occurred at ~6.31 million years ago. Analyses of TPS gene family showed the expansion of type-a, which is responsible for the synthesis of sesquiterpenes and maybe highly specialization in patchouli. Our datasets provide valuable resources for plant genome evolution, and for identifying of genes related to secondary metabolites and their gene expression regulation.

中文翻译：

构建唇形目药用植物广藿香的八倍体基因组和转录组。

Lamiales目呈现出高度多样化的基因组大小和高度专业化的生命策略。广藿香，Pogostemon cablin (Blanco) Benth。来自拉米亚目，由于对其精油的需求量很大，已在亚洲热带和亚热带地区广泛种植。在这里，我们生成了广藿香的约 681 Gb 基因组序列（约 355 倍覆盖率），组装的基因组约为 1.91 Gb，包含 110,850 个预测的蛋白质编码基因。分析显示，自泛双子叶植物 γ 三倍体以来，存在全基因组八倍体 (WGO) 的明确证据，这是最近且唯一的多倍化事件，发生于约 631 万年前。 TPS基因家族的分析表明a型基因的扩展，它负责倍半萜烯的合成，并且可能在广藿香中高度特化。我们的数据集为植物基因组进化以及识别与次生代谢物及其基因表达调控相关的基因提供了宝贵的资源。

更新日期：2019-01-26

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