The genome sequence of star fruit (Averrhoa carambola)

Shasha Wu, Wei Sun, Zhichao Xu, Junwen Zhai, Xiaoping Li, Chengru Li, Diyang Zhang, Xiaoqian Wu, Liming Shen, Junhao Chen, Hui Ren, Xiaoyu Dai, Zhongwu Dai, Yamei Zhao, Lei Chen, Mengxia Cao, Xinyu Xie, Xuedie Liu, Donghui Peng, Jianwen DongYu Yun Hsiao, Shi lin Chen, Wen Chieh Tsai, Siren Lan, Zhong Jian Liu

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

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.

Original languageEnglish
Article number95
JournalHorticulture Research
Volume7
Issue number1
DOIs
Publication statusPublished - 2020 Dec 1

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry
  • Genetics
  • Plant Science
  • Horticulture

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