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The genome sequence of star fruit (Averrhoa carambola)

文献类型: 外文期刊

作者: Wu, Shasha 1 ; Sun, Wei 3 ; Xu, Zhichao 4 ; Zhai, Junwen 1 ; Li, Xiaoping 1 ; Li, Chengru 1 ; Zhang, Diyang 1 ; Wu, Xiaoq 1 ;

作者机构: 1.Fujian Agr & Forestry Univ, Key Lab Natl Forestry, Fuzhou 350002, Peoples R China

2.Fujian Agr & Forestry Univ, Grassland Adm Orchid Conservat & Utilizat, Coll Landscape Architecture, Fuzhou 350002, Peoples R China

3.Chinese Acad China Med Sci, Inst Chinese Mat Med, Beijing 100700, Peoples R China

4.Chinese Acad Med Sci & Peking Union Med Coll, Inst Med Plant Dev, Beijing 100193, Peoples R China

5.Zhejiang A&F Univ, State Key Lab Subtrop Silviculture, Hangzhou 311300, Peoples R China

6.Guangxi Acad Agr Sci, Hort Res Inst, Nanning 530007, Peoples R China

7.Natl Cheng Kung Univ, Orchid Res & Dev Ctr, Tainan 701, Peoples R China

8.Natl Cheng Kung Univ, Inst Trop Plant Sci & Microbiol, Tainan 701, Taiwan

期刊名称:HORTICULTURE RESEARCH ( 影响因子:6.793; 五年影响因子:6.589 )

ISSN: 2662-6810

年卷期: 2020 年 7 卷 1 期

页码:

收录情况: SCI

摘要: Oxalidaceae is one of the most important plant families in horticulture, and its key commercially relevant genus, Averrhoa, has diverse growth habits and fruit types. Here, we describe the assembly of a high-quality chromosome-scale genome sequence for Averrhoa carambola (star fruit). Ks distribution analysis showed that A. carambola underwent a whole-genome triplication event, i.e., the gamma event shared by most eudicots. Comparisons between A. carambola and other angiosperms also permitted the generation of Oxalidaceae gene annotations. We identified unique gene families and analyzed gene family expansion and contraction. This analysis revealed significant changes in MADS-box gene family content, which might be related to the cauliflory of A. carambola. In addition, we identified and analyzed a total of 204 nucleotide-binding site, leucine-rich repeat receptor (NLR) genes and 58 WRKY genes in the genome, which may be related to the defense response. Our results provide insights into the origin, evolution and diversification of star fruit.

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