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Evolution of the biosynthetic pathways of terpene scent compounds in roses

文献类型： 外文期刊

作者： Shang, Junzhong 1 ; Feng, Dedang 3 ; Liu, Heng 1 ; Niu, Lintao 1 ; Li, Runhui 1 ; Li, Yajun 1 ; Chen, Mengxi 1 ; Li, Ao 1 ; Liu, Zhenhua 4 ; He, Yanhong 1 ; Gao, Xiang 5 ; Jian, Hongying 3 ; Wang, Changquan 6 ; Tang, Kaixue 3 ; Bao, Manzhu 1 ; Wang, Jihua 3 ; Yang, Shuhua 8 ; Yan, Huijun 3 ; Ning, Guogui 1 ;

作者机构： 1.Huazhong Agr Univ, Natl Key Lab Germplasm Innovat Utilizat Hort Crops, Wuhan 430070, Peoples R China

2.Huazhong Agr Univ, Inst Flowers Res, Wuhan 430070, Peoples R China

3.Yunnan Acad Agr Sci, Flower Res Inst, Natl Engn Res Ctr Ornamental Hort, Kunming 671003, Peoples R China

4.BioSmartSeek Co, Wuhan 430070, Peoples R China

5.Northeast Normal Univ, Key Lab Mol Epigenet MOE, Changchun 130024, Peoples R China

6.Northeast Normal Univ, Inst Genet & Cytol, Changchun 130024, Peoples R China

7.Nanjing Agr Univ, Coll Hort, Nanjing 210095, Jiangsu, Peoples R China

8.Chinese Acad Agr Sci, Inst Vegetables & Flowers, Key Lab Biol Genet Improvement Flower Crops North, Minist Agr & Rural Affairs, Beijing 100081, Peoples R China

期刊名称：CURRENT BIOLOGY （ 影响因子：8.1； 五年影响因子：9.8 ）

ISSN： 0960-9822

年卷期： 2024 年 34 卷 15 期

页码：

收录情况： SCI

摘要： It is unknown why roses are terpene-rich, what the terpene biosynthetic pathways in roses are, and why only a few rose species produce the major components of rose essential oil. Here, we assembled two high-quality chromosome-level genomes for Rosa rugosa and Rosa multiflora. . We also re-sequenced 132 individuals from the F1 progeny of Rosa chinensis and Rosa wichuraiana and 36 of their related species. Comparative genomics revealed that expansions of the 3-hydroxy-3-methylglutaryl-coenzyme A reductase ( HMGR ) and terpene synthases ( TPSs ) gene families led to the enrichment of terpenes in rose scent components. We constructed a terpene biosynthesis network and discovered a TPS-independent citronellol biosynthetic pathway in roses through gene functional identification, genome-wide association studies (GWASs), and multi-omic analysis. Heterologous co-expression of rose citronellol biosynthetic genes in Nicotiana benthamiana led to citronellol production. Our genomic and metabolomic analyses suggested that the copy number of NUDX1-1a determines the citronellol content in different rose species. Our findings not only provide additional genome and gene resources and reveal the evolution of the terpene biosynthetic pathways but also present a nearly complete scenario for terpenoid metabolism that will facilitate the breeding of fragrant roses and the of rose oil.

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