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Emerging insights into heterotrimeric G protein signaling in plants

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Xu Quan 1   Zhao Mingzhu 1   Wu Kun 2   Fu Xiangdong 2   Liu Qian 2 *  
文摘 Heterotrimeric guanine nucleotide-binding protein (G protein) signaling is an evolutionarily conserved mechanism in diverse eukaryotic organisms. In plants, the repertoire of the heterotrimeric G protein complex, which is composed of the Ga, Gb, and Gg subunits, is much simpler than that in metazoans, and the identity of typical G protein-coupled receptors (GPCRs) together with their ligands still remains unclear. Comparative phenotypic analysis in Arabidopsis and rice plants using gain-and loss-of-function mutants of G protein components revealed that heterotrimeric G protein signaling plays important roles in a wide variety of plant growth and developmental processes. Grain yield is a complex trait determined by quantitative trait loci (QTL) and is influenced by soil nitrogen availability and environmental changes. Recent studies have shown that the manipulation of two non-canonical Gg subunits, GS3 (GRAIN SIZE 3) and DEP1 (DENSE AND ERECT PANICLE 1), represents new strategies to simultaneously increase grain yield and nitrogen use efficiency in rice. This review discusses the latest advances in our understanding of the heterotrimeric G protein signal transduction pathway and its application in improving yield and stress tolerance in crops.
来源 Journal of Genetics and Genomics ,2016,43(8):495-502 【核心库】
DOI 10.1016/j.jgg.2016.06.004
关键词 G protein signaling ; Non-canonical Gg subunits ; DEP1 ; GS3 ; Yield potential
地址

1. Rice Research Institute of Shenyang Agricultural University, Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education;;Liaoning Province, Key Laboratory of Northeast Rice Biology and Genetics and Breeding, Ministry of Agriculture, Shenyang, 110866  

2. Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, The State Key Laboratory of Plant Cell and Chromosome Engineering, Beijing, 100101

语种 英文
文献类型 综述型
ISSN 1673-8527
学科 植物学
基金 国家自然科学基金
文献收藏号 CSCD:5805767

参考文献 共 89 共5页

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引证文献 6 篇

1 Chen Sibo Contribution and Prospect of Erect Panicle Type to japonica Super Rice Rice Science,2021,28(5):431-441
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2 Yang Wensi The RING E3 ligase CLG1 targets GS3 for degradation via the endosome pathway to determine grain size in rice Molecular Plant,2021,14(10):1699-1713
CSCD被引 4 次

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