文献类型： 外文期刊
作者： Jiang, Lan 1 ; Li, Xiaoxu 2 ; Lyu, Kun 1 ; Wang, Han 6 ; Li, Zhiyuan 5 ; Qi, Wang 5 ; Zhang, Lin 7 ; Cao, Yunpeng 3 ;
作者机构： 1.Yijishan Hosp, Wannan Med Coll, Anhui Prov Key Lab Noncoding RNA Basic & Clin Tran, Cent Lab,Wannan Med Coll, Wuhu 241000, Anhui, Peoples R China
2.Beijing Life Sci Acad, Beijing 102209, Peoples R China
3.Chinese Acad Sci, Wuhan Bot Garden, CAS Key Lab Plant Germplasm Enhancement & Specialt, Wuhan 430074, Hubei, Peoples R China
4.Chinese Acad Sci, Ctr Econ Bot, Core Bot Gardens, Wuhan 430074, Hubei, Peoples R China
5.Chinese Acad Agr Sci, Tobacco Res Inst, Key Lab Tobacco Gene Resources, Qingdao 266000, Peoples R China
6.Anhui Agr Univ, Sch Life Sci, Hefei 230036, Anhui, Peoples R China
7.Hubei Univ Chinese Med, Sch Basic Med Sci, Wuhan 430065, Hubei, Peoples R China
关键词： Rosa banksiae; Gap-free genome; Rosaceae; Phenotype; Evolutionary patterns
期刊名称：HORTICULTURAL PLANT JOURNAL （ 影响因子：6.2； 五年影响因子：6.1 ）
ISSN： 2095-9885
年卷期： 2025 年 11 卷 1 期
页码：
收录情况： SCI
摘要： Rosa banksiae, known as Lady Banks' rose, is a perennial ornamental crop and a versatile herb in traditional Chinese medicine. Given the lack of genomic resources, we assembled a HiFi and Nanopore sequencing-derived 458.58 Mb gap-free telomere-to-telomere high-quality R. banksiae genome with a scaffold N50 1 / 4 63.90 Mb. The genome of R. banksiae exhibited no lineage-specific whole-genome duplication compared with other Rosaceae. The phylogenomic analysis of 13 Rosaceae and Arabidopsis through a comparative genomics study showed that numerous gene families were lineage-specific both before and after the diversification of Rosaceae. Some of these genes are candidates for new genes that have evolved from parental genes through fusion events. Fusion genes are divided into three types: Type-I and Type-II genes contain two parental genes that are generated by duplication, distributed in the same and different regions of the genome, respectively; and Type-III can only be detected in one parental gene. Here, Type-I genes are found to have more relaxed selection pressure and lower Ks values than Type-II, indicating that these newly evolved Type-I genes may play important roles in driving phenotypic evolution. Functional analysis exhibited that newly formed fusion genes can regulate the phenotype traits of plant growth and development, suggesting the functional significance of these genes. This study identifies new fusion genes that could be responsible for phenotype evolution and provides information on the evolutionary history of recently diverged species in the Rosa genus. Our data represents the major progress in understanding the new fusion genes evolution pattern of Rosaceae and provides an invaluable resource for phylogenomic studies in plants.
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