Transcription factor CsMYB77 negatively regulates fruit ripening and fruit size in citrus
文献类型: 外文期刊
作者: Zhang, Li 1 ; Xu, Yang 1 ; Li, Yanting 1 ; Zheng, Saisai 1 ; Zhao, Zhenmei 1 ; Chen, Meiling 1 ; Yang, Haijian 2 ; Yi, Hualin 1 ; Wu, Juxun 1 ;
作者机构: 1.Huazhong Agr Univ, Natl Key Lab Germplasm Innovat & Utilizat Hort Cro, Wuhan 430070, Peoples R China
2.Chongqing Acad Agr Sci, Fruit Tree Res Inst, Chongqing 401329, Peoples R China
期刊名称:PLANT PHYSIOLOGY ( 影响因子:7.4; 五年影响因子:8.7 )
ISSN: 0032-0889
年卷期: 2023 年
页码:
收录情况: SCI
摘要: MYB family transcription factors (TFs) play essential roles in various biological processes, yet their involvement in regulating fruit ripening and fruit size in citrus remains poorly understood. In this study, we have established that the R2R3-MYB TF, CsMYB77, exerts a negative regulatory influence on fruit ripening in both citrus and tomato (Solanum lycopersicum), while also playing a role in modulating fruit size in citrus. The overexpression of CsMYB77 in tomato and Hongkong kumquat (Fortunella hindsii) led to notably delayed fruit ripening phenotypes. Moreover, the fruit size of Hongkong kumquat transgenic lines was largely reduced. Based on DNA affinity purification sequencing and verified interaction assays, SEVEN IN ABSENTIA OF ARABIDOPSIS THALIANA4 (SINAT4) and PIN-FORMED PROTEIN5 (PIN5) were identified as downstream target genes of CsMYB77. CsMYB77 inhibited the expression of SINAT4 to modulate abscisic acid (ABA) signaling, which delayed fruit ripening in transgenic tomato and Hongkong kumquat lines. The expression of PIN5 was activated by CsMYB77, which promoted free indole-3-acetic acid decline and modulated auxin signaling in the fruits of transgenic Hongkong kumquat lines. Taken together, our findings revealed a fruit development and ripening regulation module (MYB77-SINAT4/PIN5-ABA/auxin) in citrus, which enriches the understanding of the molecular regulatory network underlying fruit ripening and size. The transcription factor CsMYB77 negatively regulates fruit ripening and fruit size in citrus by modulating abscisic acid and auxin-signaling pathways.
- 相关文献
作者其他论文 更多>>
-
WGCNA and transcriptome profiling reveal hub genes for key development stage seed size/oil content between wild and cultivated soybean
作者:Yao, Yanjie;Xiong, Erhui;Qu, Xuelian;Li, Junfeng;Liu, Hongli;Quan, Leipo;Lu, Wenyan;Zhu, Xuling;Chen, Meiling;Li, Ke;Chen, Xiaoming;Zhang, Dan;Chu, Shanshan;Jiao, Yongqing;Yao, Yanjie;Zhou, Xinan;Jiao, Yongqing;Yao, Yanjie;Lian, Yun;Lu, Weiguo
关键词:Soybean; Oil content; Seed size; Transcriptome; WGCNA; Correlation analysis
-
Effect of Different Mulching Practices on Bacterial Community Composition and Fruit Quality in a Citrus Orchard
作者:Yang, Lei;Wang, Min;Li, Shuang;Yu, Jianjun;Yang, Haijian;Wang, Wu;Chen, Hao;Hong, Lin;Chen, Yang
关键词:citrus; mulching; bacterial community; fruit quality; microbial function
-
Laser capture microdissection-based spatiotemporal transcriptomes uncover regulatory networks during seed abortion in seedless Ponkan (Citrus reticulata)
作者:Lu, Liqing;Xu, Yanhui;Zhang, Li;Wu, Juxun;Yi, Hualin;Yang, Haijian
关键词:CrWRKY74; laser capture microdissection; programmed cell death; seed abortion; seedless citrus
-
Metabolomic and transcriptomic analyses reveal the effects of grafting on blood orange quality
作者:Yang, Lei;Wang, Min;Hou, Huifang;Li, Shuang;Yang, Haijian;Wang, Wu;Hong, Lin;Chen, Yang;Guan, Ling
关键词:blood orange; flavonoids; pigmentation; gene expression; quality improvement
-
QTL Mapping for Seed Quality Traits under Multiple Environments in Soybean (Glycine max L.)
作者:Liu, Jiaqi;Jiang, Aohua;Ma, Ronghan;Gao, Weiran;Tan, Pingting;Li, Xi;Fang, Xiaomei;Yi, Zelin;Zhang, Jian;Du, Chengzhang;Zhang, Jijun;Zhang, Xiaochun;Zhang, Li
关键词:soybean; protein; oil; fatty acid; QTL (quantitative trait loci); candidate gene
-
Clostridium huakuii sp nov., an anaerobic, acetogenic bacterium isolated from methanogenic consortia
作者:Ruan, Zhiyong;Wang, Yanwei;Zhuang, Yan;Wang, Huimin;Chen, Xiaorong;Li, Yanting;Zhao, Bingqiang;Zhang, Chi;Zhao, Bin;Song, Jinlong;Zhai, Yi
关键词:
-
Microbacterium petrolearium sp nov., isolated from an oil-contaminated water sample
作者:Wang, Huimin;Wang, Yanwei;Chen, Xiaorong;Li, Yanting;Zhao, Bingqiang;Ruan, Zhiyong;Wang, Huimin;Xiang, Tingsheng;Song, Jinlong;Zhai, Yi;Zhao, Bin
关键词: