Genome-Wide Analysis of the RNase T2 Family and Identification of Interacting Proteins of Four ClS-RNase Genes in 'XiangShui' Lemon

文献类型： 外文期刊

第一作者： Li, Yu-Ze

作者： Li, Yu-Ze;Zhu, Jia-Wei;Lan, Mo-Ying;Luo, Cong;Xia, Li-Ming;Zhang, Yi-Li;Liang, Rong-Zhen;Hu, Wang-Li;Huang, Gui-Xiang;He, Xin-Hua;Lin, Wei

作者机构：

关键词： 'XiangShui' lemon; S-RNase; self-incompatibility; expression analysis; functional analysis

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：6.208； 五年影响因子：6.628 ）

ISSN：

年卷期： 2022 年 23 卷 18 期

页码：

收录情况： SCI

摘要： S-RNase plays vital roles in the process of self-incompatibility (SI) in Rutaceae plants. Data have shown that the rejection phenomenon during self-pollination is due to the degradation of pollen tube RNA by S-RNase. The cytoskeleton microfilaments of pollen tubes are destroyed, and other components cannot extend downwards from the stigma and, ultimately, cannot reach the ovary to complete fertilisation. In this study, four S-RNase gene sequences were identified from the 'XiangShui' lemon genome and ubiquitome. Sequence analysis revealed that the conserved RNase T2 domains within S-RNases in 'XiangShui' lemon are the same as those within other species. Expression pattern analysis revealed that S-3-RNase and S-4-RNase are specifically expressed in the pistils, and spatiotemporal expression analysis showed that the S-3-RNase expression levels in the stigmas, styles and ovaries were significantly higher after self-pollination than after cross-pollination. Subcellular localisation analysis showed that the S-1-RNase, S-2-RNase, S-3-RNase and S-4-RNase were found to be expressed in the nucleus according to laser confocal microscopy. In addition, yeast two-hybrid (Y2H) assays showed that S-3-RNase interacted with F-box, Bifunctional fucokinase/fucose pyrophosphorylase (FKGP), aspartic proteinase A1, RRP46, pectinesterase/pectinesterase inhibitor 51 (PME51), phospholipid:diacylglycerol acyltransferase 1 (PDAT1), gibberellin receptor GID1B, GDT1-like protein 4, putative invertase inhibitor, tRNA ligase, PAP15, PAE8, TIM14-2, PGIP1 and p24beta2. Moreover, S-3-RNase interacted with TOPP4. Therefore, S-3-RNase may play an important role in the SI of 'XiangShui' lemon.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序