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Novel insight of the SVP gene involved in pedicel length based on genomics analysis in cherry

文献类型： 外文期刊

作者： Tan, Wei 1 ; Zhou, Pengyu 1 ; Huang, Xiao 1 ; Wang, Zefu 2 ; Liao, Ruyu 3 ; Hayat, Faisal 4 ; Wang, Xiaoan 3 ; Ni, Zhaojun 1 ; Shi, Ting 1 ; Yu, Xiaqing 1 ; Zhang, Huiqin 5 ; Gao, Feng 1 ; Bai, Yang 1 ; Coulibaly, Daouda 1 ; Omondi, Ouma Kenneth 1 ; Gao, Zhihong 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Hort, Xuanwu Dist 1, Nanjing 210095, Peoples R China

2.Nanjing Forestry Univ, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing 210037, Peoples R China

3.Fujian Acad Agr Sci, Inst Fruit, Fuzhou 350013, Peoples R China

4.Zhongkai Univ Agr & Engn, Coll Hort, Guangzhou 510225, Peoples R China

5.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou 310021, Peoples R China

6.Rural Polytech Inst Training & Appl Res IPR IFRA K, Dept Agr Sci & Tech Hort, BP224, Koulikoro, Mali

7.Egerton Univ, Fac Agr, Dept Crops Hort & Soils, POB 536, Egerton 20115, Kenya

关键词： Prunus conradinae; Genome; Resequencing; SVP

期刊名称：PLANT CELL REPORTS （ 影响因子：4.5； 五年影响因子：6.1 ）

ISSN： 0721-7714

年卷期： 2025 年 44 卷 2 期

页码：

收录情况： SCI

摘要： Key messagePcSVP was identified based on Prunus conradinae genome and was further overexpressed in A. thaliana to comfirm it was a key factor in flower development, causing the pedicels elongation.AbstractPrunus conradinae is an endemic plant resource in China with high ornamental and economic values. To generate useful genomic resources for expanding insights into the evolutionary history of this important plant, the chromosome-level genome and organelle genomes of P. conradinae are de novo assembled and functionally annotated. The chromosome-level haploid genome of autotetraploid P. conradinae was assembled with 262.79 Mb with 27,802 protein-coding genes annotated. The complete chloroplast and mitochondrial genome of P. conradinae are found to be 157,715 bp and 434,334 bp, respectively. According to evolutionary analysis, P. conradinae was closely related to P. serrulata and P. yedoensis, and they diverged from their common ancestor approximately 6.0 million years ago. There were 108 gene families that significantly expanded during P. conradinae evolution and 56 shared positively selected genes. Selective sweep analysis based on the whole-genome resequencing of wild cherries from Fujian and Zhejiang indicated that genes involved in flower development and stress responses were potentially under selection. Pedicel length varied greatly among Prunus species and was a significant identifying characteristic. Ectopic overexpression of PcSVP in Arabidopsis thaliana suggested that it was a key factor in flower development, causing the sepals curling and pedicels elongation. These findings will contribute to the discovery of key functional genes involved in the agronomic or biological traits of P. conradinae, as well as the future development, utilisation and germplasm conservation of wild cherries.

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