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| 1 | An XA21-Associated Kinase (OsSERK2) Regulates Immunity Mediated by the XA21 and XA3 Immune Receptors显示文摘米饭 XA21 有免疫力的受体 kinase 和在结构上联系了 XA3 受体授与免疫到 Xanthomonas oryzae pv。oryzae (Xoo ) ,细菌的叶老家的原因的代理人。这里,我们报导 OsSERK2 的隔离(米饭体的 embryogenesis receptorkinase 2 ) 并且证明 OsSERK2 断然调整免疫由 XA21 和 XA3 以及米饭免疫者 receptorFLS2 (OsFLS2 ) 调停了。为 OsSerk2 显示的瑞斯植物 silenced 改变了形态学并且把敏感归结为荷尔蒙 brassinolide。OsSERK2 在酵母与每有免疫力的受体的 intracellulardomains 交往以一种 kinase 活动依赖者方式的二混血儿的系统。OsSERK2 在 vitro 与 XA21 经历 bidirectionaltransphosphorylation 并且在 vivo 与 XA21 形成组成的建筑群。这些结果在三米饭免疫者受体的功能为 OsSERK2 表明一个必要角色并且建议和米饭免疫者受体的 thatdirect 相互作用为他们的功能是批评的。一起拿,我们的调查结果建议米饭 XA21, XA3,和 FLS2 的反省 OsSERK2 的规定的 thatthe 机制不同于 AtSERK3/BAK1-mediated regulationof Arabidopsis FLS2 和 EFR.Key 词的: | Xuewei Chena Shimin Zuo Benjamin Schwessinger Mawsheng Chern Patrick E. Canlas Deling Ruan Xiaogang Zhou Jing Wang Arsalan Daudi Christopher J. Petzold Joshua L. Heazlewood Pamela C. Ronald | 2014 | Molecular Plant2014，7，5： | 17 |
| 2 | Prospect of the QTL-qSB-9^(Tq) utilized in molecular breeding program of japonica rice against sheath blight显示文摘The major QTL-qSB-9Tq conferring partial resistance to rice (Oryza sativa L.) sheath blight (Rhizoctonia solani Kühn) has been verified on chromosome 9 of the indica rice cultivar, Teqing. In this study, the prospect of this QTL utilized in molecular breeding program of japonica rice for sheath blight resistance was investigated. Most of the japonica rice cultivars showed lower level of sheath blight resistance than the indica rice cultivars. At the corresponding site of qSB-9Tq, nine typical japonica rice cultivars from different ecological regions or countries proved to possess the susceptible allele(s). Introgression of qSB-9Tq into these cultivars enhanced their resistance level by decreasing sheath blight score of 1.0 (0.5–1.3), which indicated that qSB-9Tq had a large potential in strengthening the resistance of japonica rice to sheath blight. The use of the three molecular markers, which were polymorphic between Teqing and many japonica rice cultivars, promotes the application of qSB-9Tq in a concrete molecular breeding program. | Shimin Zuo Li Zhang Hui Wang Yuejun Yin Yafang Zhang Zongxiang Chen Yuyin Ma Xuebiao Pan | 2008 | Journal of Genetics and Genomics2008，35，8： | 14 |
| 3 | Fine mapping of an incom-plete recessive gene for leaf rolling in rice (Oryza sativa L.)显示文摘Genetic analysis and fine mapping of genes controlling leaf rolling were conducted using two back-crossed generations (BC4F2, BC4F3) derived from a cross between QMX, a non-rolled leaf cultivar as a recurrent par-ent, and JZB, a rolled leaf NIL of ZB as a donor parent. Re-sults indicated that leaf rolling was mainly controlled by an incompletely recessive major gene, namely rl(t), and at the same time, affected by quantitative trait loci (QTLs) and/or the environment. A genetic linkage map was constructed using MAPMAKER/EXP3.0 with eight polymorphic mark-ers on chromosome 2, which were screened by BAS method from 500 SSR markers and 15 newly developed inser-tion/deletion (InDel) markers. The position of rl(t) was esti-mated with composite interval mapping (CIM) method using WinQTLcart2.5. Gene rl(t) was mapped between markers InDel 112 and RM3763, and 1.0 cM away from InDel 112 using 241 plants in BC4F2 population. To fine map rl(t), one BC4F3 line with 855 plants was generated from one semi-rolled leaf plant in BC4F2. Four new polymorphic InDel markers were developed, including InDel 112.6 and InDel 113 located between markers InDel112 and RM3763. Based on the information of recombination offered by 191 rolled leaf plants and 185 non-rolled leaf plants from the BC4F3 line ,we mapped rl(t) to a 137-kb region between markers InDel 112.6 and InDel 113. Homologous gene analysis sug-gested that rl(t) was probably related to the process of leaf development regulated by microRNA. | SHAO Yuanjia PAN Cunhong CHEN Zongxiang ZUO Shimin ZHANG Yafang PAN Xuebiao | 2005 | Chinese Science Bulletin2005，50，21： | 13 |
| 4 | Isolation and characterization of rl_(t), a gene that controls leaf rolling in rice显示文摘Moderate leaf rolling is one of the most important morphological traits in rice breeding for plant ideotype.Previous studies have shown that the rl(t)gene has a high breeding potential for developing hybrid-rice varieties with an ideal ideotype,because it leads to an appropriate leaf rolling index(LRI)of about 30%in the heterozygous state,and had a positive effect on grain yield.In this study,we isolated rl(t)and performed a preliminary investigation of its function in regulating leaf rolling in rice.DNA sequencing identified a single base change(G to T)in the finely mapped region(11 kb)containing rl(t),and this is located in 30-untranslated region(30-UTR)of the only predicted gene,Roc5(Rice outermost cell-specific).The expression level of Roc5 is significantly higher in the rl(t)mutant than in the wild-type.Using RNAi and overexpression analysis,we found that the expression level of Roc5 correlated with LRI and leaf bulliform area,and wasalso associated with leaf abaxial or adaxial rolling.These results confirmed that Roc5 controls leaf rolling in a dosage-dependent manner.Bioinformatics analysis revealed a conserved 17-nt sequence(called the GU-rich element)in the 30-UTR of HD-GL2(Homeodomain-Glabra2)family genes including Roc5.Based on the model of this element in regulating mRNA stability in mammals,we speculate that the single nucleotide change in this element accounts for the higher expression level of Roc5 in the rl(t)mutant compared to the wild-type,which ultimately leads to adaxial rolling of the leaf.This discovery further enhances our knowledge of the molecular mechanisms underlying leaf rolling in rice. | Lei Li Xiang Xue Zongxiang Chen Yafang Zhang Yuyin Ma Cunhong Pan Junkai Zhu Xuebiao Pan Shimin Zuo | 2014 | Chinese Science Bulletin2014，59，25： | 4 |
| 5 | OsSERK1 regulates rice development but not immunity to Xanthomonas oryzae pv. oryzae or Magnaporthe oryzae显示文摘Somatic embryogenesis receptor kinase(SERK)proteins play pivotal roles in regulation of plant development and immunity. The rice genome contains two SERK genes,OsSerk1 and OsSerk2. We previously demonstrated that OsSerk2 is required for rice Xa21-mediated resistance to Xanthomonas oryzae pv. oryzae(Xoo) and for normal development. Here we report the molecular characterization of OsSerk1. Overexpression of OsSerk1 results in a semi-dwarf phenotype whereas silencing of OsSerk1 results in a reduced angle of the lamina joint. OsSerk1 is not required for rice resistance to Xoo or Magnaporthe oryzae. Overexpression of Os Serk1 in OsSerk2-silenced lines complements phenotypes associated with brassinosteroid(BR) signaling defects, but not the disease resistance phenotype mediated by Xa21. In yeast, OsSERK1 interacts with itself forming homodimers, and also interacts with the kinase domains of OsSERK2 and BRI1, respectively.OsSERK1 is a functional protein kinase capable of auto-phosphorylation in vitro. We conclude that, whereas OsSERK2 regulates both rice development and immunity, OsSERK1 functions in rice development but not immunity to Xoo and M. oryzae. | Shimin Zuo Xiaogang Zhou Mawsheng Chen Shilu Zhang Benjamin Schwessinger Deling Ruan Can Yuan Jing Wang Xuewei Chen Pamela C.Ronald | 2014 | Journal of Integrative Plant Biology2014，56，12： | 4 |
| 6 | Identification of New Resistance Loci Against Sheath Blight Disease in Rice Through Genome-Wide Association Study显示文摘Sheath blight(SB) caused by the soil borne pathogen Rhizoctonia solani is one of the most serious global rice diseases. Breeding resistant cultivar is the most economical and effective strategy to control the disease. However, no rice varieties are completely resistant to SB, and only a few reliable quantitative trait loci(QTLs) linked with SB resistance have been identified to date. In this study, we conducted a genome-wide association study(GWAS) of SB resistance using 299 varieties from the rice diversity panel 1(RDP1) that were genotyped using 44 000 high-density single nucleotide polymorphism(SNP) markers. Through artificial inoculation, we found that only 36.5% of the tested varieties displayed resistance or moderate resistance to SB. In particular, the aromatic and aus sub-populations displayed higher SB resistance than the tropical japonica(TRJ), indica and temperate japonica sub-populations. Seven varieties showed similar resistance levels to the resistant control YSBR1. GWAS identified at least 11 SNP loci significantly associated with SB resistance in the three independent trials, leading to the identification of two reliable QTLs, qSB-3 and qSB-6, on chromosomes 3 and 6. Using favorable alleles or haplotypes of significantly associated SNP loci, we estimated that both QTLs had obvious effects on reducing SB disease severity and can be used for enhancing SB resistance, especially in improving SB resistance of TRJ sub-population rice varieties. These results provided important information and genetic materials for developing SB resistant varieties through breeding. | CHEN Zongxiang FENG Zhiming KANG Houxiang ZHAO Jianhua CHEN Tianxiao LI Qianqian GONG Hongbing ZHANG Yafang CHEN Xijun PAN Xuebiao LIU Wende WANG Guoliang ZUO Shimin | 2019 | Rice science2019，26，1： | 3 |
| 7 | Comprehensive Characteristics of MicroRNA Expression Profile Conferring to Rhizoctonia solani in Rice显示文摘MicroRNAs(miRNAs)are about 22 nucleotides regulatory non-coding RNAs that play versatile roles in reprogramming plant responses to biotic and abiotic stresses.However,it remains unknown whether miRNAs confer the resistance to necrotrophic fungus Rhizoctonia solani in rice.To investigate whether miRNAs regulate the resistance to R.solani,we constructed 12 small RNA libraries from susceptible and resistant rice cultivars treated with water/pathogen at 5 h post inoculation(hpi),10 hpi and 20 hpi,respectively.By taking the advantage of next-generation sequencing,we totally collected 400–450 known miRNAs and 450–620 novel miRNAs from the libraries.Expression analysis of miRNAs demonstrated different patterns for known and novel miRNAs upon R.solani challenge.Thirty-four miRNA families were identified to be expressed specifically in rice,and most of them were involved in plant disease resistance.A particular Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway analysis result revealed that a great majority of target genes of regulated miRNAs belonged to the pathway of plant-pathogen interaction.Moreover,miR444b.2,miR531a,mir1861i,novel_miR1956 and novel_miR135 conferred response to R.solani infection confirmed by Northern blot.Our global understanding of miRNA profiling revealed that the regulation of miRNAs may be implicated in the control of rice immunity to R.solani.Analysis of the expression of miRNAs will offer the community with a direction to generate appropriate strategies for controlling rice sheath blight disease. | CAO Wenlei CAO Xinxin ZHAO Jianhua ZHANG Zhaoyang FENG Zhiming OUYANG Shouqiang ZUO Shimin | 2020 | Rice science2020，27，2： | 2 |
| 8 | Inactivation of OslRX10 Leads to Decreased Xylan Content in Rice Culm Cell Walls and Improved Biomass Saccharification显示文摘Dear Editor, Xylan polysaccharides constitute the major non-cellulosic components in secondary cell walls of dicots and in both primary and secondary cell walls of grasses (Scheller and Ulvskov,2010).Xylan is composed of a linear backbone of 13(1-4)-linked xylose (Xyl).In grasses,the xylan backbone is substituted with O3-1inked and O2-1inked arabinose residues and,to a lesser extent,α(1-3)-Iinked glucuronic acid residues.A unique feature of grass xylans is the presence of hydroxycinnamate esters (ferulic and p-coumaric acid residues)attached to C5 of some of the arabinosyl residues (Carpita,1996;Vogel,2008;Scheller and Ulvskov,2010).Xylan contributes to the recalcitrance of plant cell walls to enzymatic degradation probably through direct interaction with cellulose microfibrils and also through formation of ferulate cross-links (liyama et al.,1994;Yin et al.,2011). | Xuewei Chen Miguel E. Vega-Sanchez Yves Verhertbruggenb Dawn Chiniquy Patrick E. Canlas Alexandra Fagerstrom Lina Prak Ulla Christensen Ai Oikawa Mawsheng Chern Shimin Zuo Fan Lin Manfred Auer William G.T. Willats Laura Bartley Jesper Harholt Henrik V. Scheller Pamela C. Ronald | 2013 | Molecular Plant2013，6，2： | 1 |
| 9 | Approximate degree reduction of triangular surfaces 显示文摘 | Hu Shimin Zuo Zheng Sun Jiaguang | 1998 | Tsinghua Science and Technology1998，3，2： | 1 |
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