Comparative physiochemical and transcriptomic analysis reveals the influences of cross-pollination on ovary and fruit development in pummelo (Citrus maxima)
文献类型： 外文期刊
作者： Wang, Shaohua 1 ; Long, Chunrui 1 ; Liu, Hongming 1 ; Pan, Li 1 ; Yang, Shizao 1 ; Zhao, Jun 1 ; Jiang, Yan 1 ; Bei, Xuejun 2 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Trop & Subtrop Cash Crops, Baoshan 678000, Peoples R China
2.Yulin Normal Univ, Educ Dept Guangxi Zhuang Autonomous Reg, Key Lab Conservat & Utilizat Subtrop Bioresources, Yulin 537000, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.6； 五年影响因子：4.9 ）
ISSN： 2045-2322
年卷期： 2023 年 13 卷 1 期
页码：
收录情况： SCI
摘要： 'Shuijingmiyou' pummelo (SJ), one of the most popular fruits in Yunnan province of China, is of relatively low fruit shape (FS) quality. In this study, we compared the FS promoting effects of cross pollinations using pollens from seven pummelo varieties, and found that 'Guanximiyou' pummelo (GX) cross-pollination showed the best FS promoting effects on SJ fruits by shortening its fruit neck. To explore the underlying mechanism, physiochemical and transcriptomic differences between self- and cross-pollinated SJ ovaries (SJO and GXO) were investigated. Higher salicylic acid, gibberellin and indole acetic acid contents and superoxide dismutase, peroxidase and catalase activities, and lower polyphenol oxidase activity were determined in GXO compared with SJO. Enrichment analysis of the identified 578 differentially expressed genes (123 up-regulated and 455 down-regulated) in GXO showed that genes involved in solute transport, RNA biosynthesis, phytohormone action and cell wall organization were significantly enriched. The results obtained in this study will be helpful in understanding the influences of cross-pollination on pummelo ovary and fruit development, and can provide the basis for clarifying the underlying mechanism of cross-pollination improved fruit quality.
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