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LJbiquitin--Proteasome System in ABA Signaling： From Perception to Action

Molecular Plant 2016年第1期9卷 21-33页

作者： Feifei Yu yaorong wu Qi Xie State Key Laboratory of Plant Genomics National Center for Plant Gene Research Institute of Genetics and Developmental Biology Chinese Academy ofSciences No.1 West Beichen Road Chaoyang District Beijing 100101 P. R. China College of Ufe Sciences University of Chinese Academy of Sciences Beijing 100049 P. R. China These authors contributed equally to this article.

Protein post-translational modification （PTM） by ubiquitination has been observed during many aspects of plant growth, development, and stress responses. The ubiquitin-proteasome system precisely regulates phytohormone signaling by affecting protein activity, localization, assembly, and interaction ability. Absci- sic acid （ABA） is a major phytohormone, and plays important roles in plants under normal or stressed growth conditions. The ABA signaling pathway is composed of phosphatases, kinases, transcription fac- tors, and membrane ion channels. It has been reported that multiple ABA signaling transducers are sub- jected to the regulations by ubiquitination. In particular, recent studies have identified different types of E3 ligases that mediate ubiquitination of ABA receptors in different cell compartments. This review focuses on modulation of these components by monoubiquitination or polyubiquitination that occurs in the plasma membrane, endomembranes, and from the cytosol to the nucleus; this implies the existence of retrograde and trafficking processes that are regulated by ubiquitination in ABA signaling. A number of single-unit E3 ligases, components of multi-subunit E3 ligases, E2s, and specific subunits of the 26S proteasome involved in ABA signal regulation are discussed. Dissecting the precise functions of ubiquitination in the ABA pathway may help us understand key factors in the signaling of other phytohormones regulated by ubiqui- tination and other types of PTMs.

关键词： ubiquitination ABA signaling ABA receptor E3 ligase protein post-translational modification transcription factor

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Genetic architecture and molecular regulation of sorghum domestication

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aBIOTECH 2023年第1期4卷 57-71页

作者： Fengyong Ge Peng Xie yaorong wu Qi Xie State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

Over time,wild crops have been domesticated by humans,and the knowledge gained from parallel selection and convergent domestication-related studies in cereals has contributed to current techniques used in molecular plant ***(Sorghum bicolor(L.)Moench)is the world’s fifth-most popular cereal crop and was one of the first crops cultivated by ancient *** recent years,genetic and genomic studies have provided a better understanding of sorghum domestication and ***,we discuss the origin,diversification,and domestication processes of sorghum based on archeological discoveries and genomic *** review also comprehensively summarized the genetic basis of key genes related to sorghum domestication and outlined their molecular *** highlights that the absence of a domestication bottleneck in sorghum is the result of both evolution and human ***,understanding beneficial alleles and their molecular interactions will allow us to quickly design new varieties by further de novo domestication.

关键词： Domestication Genetic basis Molecular mechanism Genes Sorghum

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Cautionary Notes on the Usage of abil-2 and abil-3 Mutants of Arabidopsis ABI1 for Functional Studies

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Molecular Plant 2015年第2期8卷 335-338页

作者： yaorong wu Yaqiong Li Yongchang Liu Qi Xie State Key Laboratory of Plant Genomics National Center for Plant Gene Research Institute of Genetics and Developmental Biology Chinese Academy of Sciences No. 1 West Beichen Road Chaoyang District Beijing 100101 China College of Agriculture/Key Laboratory of Oasis Ecology Agriculture of BINTUAN Shihezi University Shihezi 832003 China

Dear Editor,Abscisic acid （ABA） is a key hormone involved in plant growth and development, as well as stress adaptation. Recently, a core ABA signal pathway was proposed in which the ABA receptor proteins （PYR/PYL/RCAR） bind and inhibit type 2C protein phosphatases （PP2Cs） in the presence of ABA, which in turn releases the SnRK2s kinases, and the phosphorylated SnRK2s accumulate and subsequently phosphorylate the ABA-responsive element binding factors （Melcher et al., 2009; Cutler et al., 2010）.

关键词： ABSCISIC-ACID PROTEIN PHOSPHATASE THALIANA

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Concurrent Deficiency of Gibberellins and Abscisic Acid Causes Plant Male Sterility

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Journal of Genetics and Genomics 2014年第11期41卷 601-604页

作者： Kai Shu yaorong wu Wenyu Yang Qi Xie Key Laboratory of Crop Ecophysiology and Farming System in Southwest China of Ministry of Agriculture Department of BiotechnologySichuan Agricultural University State Key Laboratory of Plant Genomics National Center for Plant Gene ResearchInstitute of Genetics and Developmental BiologyChinese Academy of Sciences

Plant fertility influences crop yield and quality, and thus is an important economic trait for agricultural production. There- fore, it is essential to understand the precise molecular mechanisms that control plant fertility. In the past decades, many studies demonstrated that the phytohormones gibberellin （GA） and abscisic acid （ABA） play key roles in the regulation of plant fertility （Kasembe, 1967; Stein, 1971; Jacobsen and Olszewski, 1991; Zhu et al., 2010）, but the detailed mecha- nisms largely remain unknown so far.

关键词： ABA Concurrent Deficiency of Gibberellins and Abscisic Acid Causes Plant Male Sterility

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High-Efficiency Genome Editing in Arabidopsis Using YAO Promoter-Driven CRISPR/Cas9 System

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Molecular Plant 2015年第12期8卷 1820-1823页

作者： Yan, Liuhua Wei, Shaowei wu, yaorong Hu, Ruolan Li, Hongju Yang, Weicai Xie, Qi Chinese Acad Sci State Key Lab Plant Genom Natl Ctr Plant Gene Res Inst Genet & Dev Biol Beijing 100101 Peoples R China Univ Chinese Acad Sci Coll Life Sci Beijing 100049 Peoples R China

Dear Editor Targeted genome-editing tools are very important and efficient for plant functional genomics research, especially when proper mutants are not available. CRISPR/Cas9-based genome edit- ing is a recently developed powerful technology derived from the bacterial clustered regularly interspaced short palindromic repeats （CRISPR）/CRISPR-associated （Cas） defense system,

关键词： Genome editing Arabidopsis CRISPRs (Genetics)

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ESCRT-I Component VPS23A Sustains Salt Tolerance by Strengthening the SOS Module in Arabidopsis

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Molecular Plant 2020年第8期13卷 1134-1148页

作者： Lijuan Lou Feifei Yu Miaomiao Tian Guangchao Liu yaorong wu Yujiao wu Ran Xia Jose M.Pardo Yan Guo Qi Xie State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101 P.R.China University of Chinese Academy of Sciences Beijing 100049P.R.China State Key Laboratory of Plant Physiology and Biochemistry College of Biological SciencesChina Agricultural UniversityBeijing 100193P.R.China Instituto de Bioquimica Vegetal y Fotosintesis Consejo Superior de Investigaciones Cientificas and Universidad de SevillaSevilla 41092Spain

The Salt-Overly-Sensitive(SOS)signaling module,comprising the sodium-transport protein SOS1 and the regulatory proteins SOS2 and SOS3,is well known as the central salt excretion system,which helps protect plants against salt *** we report that VPS23A,a component of the ESCRT(endosomal sorting complex required for transport),plays an essential role in the function of the SOS module in conferring plant salt ***23A enhances the interaction of SOS2 and *** the presence of salt stress,VPS23A positively regulates the redistribution of SOS2 to the plasma membrane,which then activates the antiporter activity of SOS1 to reduce Na+accumulation in plant *** evidence demonstrated that plant salt tolerance achieved by the overexpression of SOS2 and SOS3 dependeds on *** together,our results revealed that VPS23A is a crucial regulator of the SOS module and affects the localization of SOS2 to the cell ***,the strong salt tolerance of Arabidopsis seedlings conferred by the engineered membrane-bound SOS2 revealed the significance of SOS2 sorting to the cell membrane in achieving its function,providing a potential strategy for crop salt tolerance engineering.

关键词： SOS pathway ESCRTs VPS23a salt cell membrane

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Effect of nonlinear translations on the pulsation of cavitation bubbles

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Chinese Physics B 2022年第4期31卷 381-384页

作者： Lingling Zhang Weizhong Chen Yang Shen yaorong wu Guoying Zhao Shaoyang Kou Key Laboratory of Modern Acoustics(Ministry of Education) Institute of AcousticsNanjing UniversityNanjing 210093China

The pulsations and translations of cavitation bubbles obey combined ordinary differential equations,and their nonlinearities are studied by the bifurcation diagram and the phase diagram in a strong ultrasonic *** pulsation can change regularly or irregularly with changing driving pressure in the time *** bifurcation diagrams of the pulsation versus driving pressure show that the pulsations and translations of bubbles have nonlinear characteristics,and the nonlinear translations of bubbles can disorder the pulsations for certain *** of the pulsation can also be caused by nonlinear pulsation *** addition,the phase diagrams also show that the nonlinear translations make a large contribution to the *** same result can also be obtained when the ambient radii of two bubbles are different.

关键词： bubble pulsation bubble translation nonlinear characteristics

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Creation of fragrant sorghum by CRISPR/Cas9

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Journal of Integrative Plant Biology 2022年第5期64卷 961-964页

作者： Dan Zhang Sanyuan Tang Peng Xie Dekai Yang yaorong wu Shujing Cheng Kai Du Peiyong Xin Jinfang Chu Feifei Yu Qi Xie State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China College of Advanced Agricultural Sciences University of Chinese Academy of SciencesBeijing 100049China Animal Facility Institute of Genetics and Developmental Biology The Chinese Academy of SciencesBeijing 100101China College of Grassland Science and Technology China Agricultural UniversityBeijing 100083China

Sorghum,the fifth largest cereal crop,has high value as a staple food and raw material for liquor and vinegar *** to its high biomass and quality,it is also used as the second most planted silage *** fragrant sorghums are currently on the *** CRISPR/Cas9-mediated knockout of Sb BADH2,we obtained sorghum lines with extraordinary aromatic smell in both seeds and *** feeding experiments showed that fragrant sorghum leaves were *** believe this advantage will produce great value in the sorghum market for both grain and whole biomass forage.

关键词： BADH2 brewing CRISPR/Cas9 fragrant sorghum livestock

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Control of Bird Feeding Behavior by Tannin1 through Modulating the Biosynthesis of Polyphenols and Fatty Acid-Derived Volatiles in Sorghum

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Molecular Plant 2019年第10期12卷 1315-1324页

作者： Peng Xie Jiayang Shi Sanyuan Tang Chengxuan Chen Aimal Khan Fengxia Zhang Ying Xiong Chao Li Wei He Guodong Wang Fumin Lei yaorong wu Qi Xie State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101P.R.China University of Chinese Academy of Sciences Beijing 100049P.R.China Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijing 100101P.R.China School of Pharmaceutical Sciences Tsinghua UniversityBeijing 100084P.R.China

Bird predation during seed maturation causes great loss to agricultural *** this study,through GWAS analysis of a large-scale sorghum germplasm diversity panel,we identified that Tannin1,which encodes a WD40 protein functioning in the WD40/MYB/bHLH complex,controls bird feeding behavior in *** profiling analysis showed that a group of sorghum accessions preferred by birds contain mutated tan1-a/b alleles and accumulate significantly lower levels of anthocyanins and condensed tannin *** contrast,a variety of aromatic and fatty acid-derived volatiles accumulate at significantly higher levels in these bird-preference *** subsequently conducted both sparrow feeding and sparrow volatile attractant assays,which confirmed,respectively,the antifeedant and attractant functions of these differentially accumulated *** addition,the connection between the biosynthesis pathway of anthocyanin and proanthocyanidin and the pathway of fatty acid–derived volatile biosynthesis was demonstrated by discovering that Tannin1 complex modulates fatty acid biosynthesis by regulating the expression of SbGL2 in sorghum,thus affecting the accumulation of fatty acid-derived *** together,our study identified Tannin1 as the gene underlying the major locus controlling bird feeding behavior in sorghum,illustrating an example of the identification of an ecologically impactful molecular mechanism from field observation and providing significant insights into the chemistry of bird–plant ecological interactions.

关键词： bird damage GWAS metabolism tannin volatiles

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Endoplasmic reticulum-related E3 ubiquitin ligases: Key regulators of plant growth and stress responses

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Plant Communications 2021年第3期2卷 1-10页

作者： Ruijun Liu Ran Xia Qi Xie yaorong wu State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China

Accumulating evidence has revealed that the ubiquitin proteasome system plays fundamental roles in the regulation of diverse cellular activities in *** ubiquitin protein ligases(E3s)are central to the proteasome system because of their ability to determine its substrate *** studies have demonstrated the essential role of a group of ER(endoplasmic reticulum)-localized E3s in the positive or negative regulation of cell *** ER-related E3s are conserved between plants and mammals,and a few plant-specific components have been *** this review,we summarize the functions of ERrelated E3s in plant growth,ER-associated protein degradation and ER-phagy,abiotic and biotic stress responses,and hormone ***,we highlight several questions that remain to be addressed and suggest directions for further research on ER-related E3 ubiquitin ligases.

关键词： E3 ligase plant endoplasmic reticulum UPS ERAD stress response

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