Research Advances on the F-box Gene Family in Plants

doi:10.13560/j.cnki.biotech.bull.1985.2017-0636

Abstract

Abstract: The F-box gene family is one of the largest gene families in plants. According to its protein C-terminal domain,F-box genes are divided into different subfamilies,for its number is large. Proteins encoded by F-box gene can regulate a variety of life activities,such as delaying plant senescence,regulating plant flowering and response to biological stress,drought and salt stress. In recent years,with the improvement of whole genome sequencing,more and more F-box genes of different species were identified. Most of the F-box proteins encoded by the F-box gene can form SCF complexes by binding with proteins Skp1,the skeletal proteins Cullin 1 and Rbx1,which then participates in the ubiquitin-protease pathway（UPP）. A small number of F-box proteins play a role in non-SCF complexes. UPP is one of the key regulatory mechanisms,and through which the most of the intracellular proteins are degraded. This review mainly summarizes the protein structures,function pathways and biological functions of F-box gene,and explores the life activities involved by F-box gene,aiming at laying the foundation for intensively investigating F-box.

Key words: F-box gene, stress, SCF complex, ubiquitin-protease pathway（UPP）

XU Ke-heng, ZHANG Yun-tong, ZHANG Ying, WANG Bin, WANG Fa-wei, LI Hai-yan. Research Advances on the F-box Gene Family in Plants[J]. Biotechnology Bulletin, 2018, 34(1): 26-32.

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