College of Forensic Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
State Key Laboratory of Agricultural Genomics, Key Laboratory of Genomics, Ministry of Agriculture, BGI Research, Shenzhen, 518083, China.
Sci Data. 2023 Oct 17;10(1):710. doi: 10.1038/s41597-023-02593-2.
The Legume family (Leguminosae or Fabaceae), is one of the largest and economically important flowering plants. Heartwood, the core of a tree trunk or branch, is a valuable and renewable resource employed for centuries in constructing sturdy and sustainable structures. Hongmu refers to a category of precious timber trees in China, encompassing 29 woody species, primarily from the legume genus. Due to the lack of genome data, detailed studies on their economic and ecological importance are limited. Therefore, this study generates chromosome-scale assemblies of five Hongmu species in Leguminosae: Pterocarpus santalinus, Pterocarpus macrocarpus, Dalbergia cochinchinensis, Dalbergia cultrata, and Senna siamea, using a combination of short-reads, long-read nanopore, and Hi-C data. We obtained 623.86 Mb, 634.58 Mb, 700.60 Mb, 645.98 Mb, and 437.29 Mb of pseudochromosome level assemblies with the scaffold N50 lengths of 63.1 Mb, 63.7 Mb, 70.4 Mb, 61.1 Mb and 32.2 Mb for P. santalinus, P. macrocarpus, D. cochinchinensis, D. cultrata and S. siamea, respectively. These genome data will serve as a valuable resource for studying crucial traits, like wood quality, disease resistance, and environmental adaptation in Hongmu.
豆科（Leguminosae 或 Fabaceae）是最大和最重要的经济开花植物之一。心材是树干或树枝的核心，是一种有价值且可再生的资源，几个世纪以来一直用于建造坚固和可持续的结构。红木是中国一类珍贵木材树种的统称，包含 29 个木本物种，主要来自豆科紫檀属。由于缺乏基因组数据，对其经济和生态重要性的详细研究受到限制。因此，本研究利用短读长、长读长纳米孔和 Hi-C 数据，生成了豆科 5 种红木物种的染色体水平组装：紫檀（Pterocarpus santalinus）、印度紫檀（Pterocarpus macrocarpus）、交趾黄檀（Dalbergia cochinchinensis）、刀状黑黄檀（Dalbergia cultrata）和腊肠树（Senna siamea）。我们获得了 623.86Mb、634.58Mb、700.60Mb、645.98Mb 和 437.29Mb 的拟染色体水平组装，组装的支架 N50 长度分别为 63.1Mb、63.7Mb、70.4Mb、61.1Mb 和 32.2Mb，用于紫檀、印度紫檀、交趾黄檀、刀状黑黄檀和腊肠树。这些基因组数据将成为研究红木关键特性（如木材质量、抗病性和环境适应性）的宝贵资源。
