Genome-Wide Identification, Expression and Functional Analysis Reveal the Involvement of FCS-Like Zinc Finger Gene Family in Submergence Response in Rice
文献类型： 外文期刊
作者： Ma, Yamei 1 ; Zhao, Junliang 1 ; Fu, Hua 1 ; Yang, Tifeng 1 ; Dong, Jingfang 1 ; Yang, Wu 1 ; Chen, Luo 1 ; Zhou, Lian 1 ; W 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Peoples R China
2.Guangdong Key Lab New Technol Rice Breeding, Guangzhou 510640, Peoples R China
3.Univ Western Australia, Sch Biol Sci, Perth, WA, Australia
4.Univ Western Australia, Inst Agr, Perth, WA, Australia
关键词： FLZ gene family; OsFLZ18; SnRK1A; Submergence; Rice
期刊名称：RICE （ 影响因子：4.783； 五年影响因子：5.23 ）
ISSN： 1939-8425
年卷期： 2021 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Background Direct seeding is an efficient rice cultivation practice. However, its application is often limited due to O-2 deficiency following submergence, leading to poor seed germination, seedling establishment, and consequently yield loss. Identification of genes associated with tolerance to submergence and understanding their regulatory mechanisms is the fundamental way to address this problem. Unfortunately, the molecular mechanism of rice response to submergence stress is still not well understood. Results Here, we have performed a genome-wide identification of FCS-like zinc finger (FLZ) proteins and assessed their involvement in submergence response in rice. We identified 29 FLZ genes in rice, and the expression analysis revealed that several genes actively responded to submergence stress. Eight OsFLZ proteins interact with SnRK1A. As a case study, we demonstrated that OsFLZ18 interacted with SnRK1A and inhibited the transcriptional activation activity of SnRK1A in modulating the expression of its target gene alpha Amy3, a positive regulator in rice flooding tolerance. In line with this, OsFLZ18-overexpression lines displayed retarded early seedling growth and shorter coleoptile following submergence. Conclusions These data provide the most comprehensive information of OsFLZ genes in rice, and highlight their roles in rice submergence response.
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