文献类型： 外文期刊
作者： Wang, Yi 1 ; Yan, Huijun 2 ; Qiu, Xianqin 2 ; Zhang, Hao 2 ; Zhang, Yonghong 1 ; Jian, Hongying 2 ;
作者机构： 1.Yunnan Normal Univ, Sch Life Sci, Kunming 650500, Peoples R China
2.Yunnan Acad Agr Sci, Flower Res Inst, Kunming 650205, Peoples R China
期刊名称：SCIENTIFIC DATA （ 影响因子：6.9； 五年影响因子：8.7 ）
ISSN：
年卷期： 2025 年 12 卷 1 期
页码：
收录情况： SCI
摘要： Rosa laevigata is an excellent rose germplasm, highly resistant to aphid, and immune to both rose black spot and powdery mildew disease. It is also a well-known edible plant with a long history of medicinal use in China, having the effects of improving kidney function, inhibiting arteriosclerosis, and reducing inflammation. In this study, we assembled a high-quality chromosome-scale genome for R. laevigata by combining Illumina, PacBio, and Hi-C data, which has a length of approximately 494.2 Mb with a scaffold N50 of 68.6 Mb. A total of 493.2 Mb (99.8%) of the draft genome sequences were anchored on seven pseudochromosomes and two gapless pseudochromosomes were included in the final genome assembly. A total of 37,117 protein-coding genes were predicted, 34,047 of which were functionally annotated. Repeat annotation revealed 659,558 (285.6 Mb) repeat elements, accounting for 57.8% of the genome. The chromosome-scale genome provides valuable information to facilitate comparative genomic analysis of rose family and will accelerate genome-guided breeding and germplasm improvement of both R. laevigata itself and modern roses.
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