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| 1 | Rice Functional Genomics Research: Past Decade and Future显示文摘瑞斯(Oryza sativa ) 是为世界范围的超过 35 亿个人的主要主食食物庄稼。在米饭理解复杂农学的特点的规章的机制为全球食物安全是批评的。瑞斯也是为单子叶植物的 genomics 研究的模型植物。由于功能的 genomic 技术的快速的发展,控制重要农学的特点的超过 2000 基因被克隆,并且他们的分子的生物机制也是部分描绘了。这里,我们简短在米饭考察进展功能的 genomics 研究在过去的 10 年期间包括功能的 genomics 平台的一篇摘要,基因 ? 并且调整重要农学的特点的分子的规章的网络,并且 ? 为基因鉴定的最新发达的工具。在功能的 genomics 研究做的这些成就将极大地便于发展 ? 绿超级米饭。我们也讨论未来挑战和米饭的前景功能的 genomics 研究。 | Yan Li Jinghua Xiaot Lingling Chen Xuehui Huang Zhukuan Cheng Bin Han Qifa Zhang Changyin Wu | 2018 | Molecular Plant2018,11,3: | 14 |
| 2 | Exploring the molecular basis of heterosis for plant breeding显示文摘Since approximate a century ago, many hybrid crops have been continually developed by crossing two inbred varieties. Owing to heterosis(hybrid vigor) in plants, these hybrids often have superior agricultural performances in yield or disease resistance succeeding their inbred parental lines. Several classical hypotheses have been proposed to explain the genetic causes of heterosis. During recent years, many new genetics and genomics strategies have been developed and used for the identifications of heterotic genes in plants. Heterotic effects of the heterotic loci and molecular functions of the heterotic genes are being investigated in many plants such as rice, maize, sorghum, Arabidopsis and tomato.More and more data and knowledge coming from the molecular studies of heterotic loci and genes will serve as a valuable resource for hybrid breeding by molecular design in future. This review aims to address recent advances in our understanding of the genetic and molecular mechanisms of heterosis in plants. The remaining scientific questions on the molecular basis of heterosis and the potential applications in breeding are also proposed and discussed. | Jie Liu Mengjie Li Qi Zhang Xin Wei Xuehui Huang | 2020 | Journal of Integrative Plant Biology2020,62,3: | 13 |
| 3 | Rice functional genomics:decades'efforts and roads ahead显示文摘Rice(Oryza sativa L.)is one of the most important crops in the world.Since the completion of rice reference genome sequences,tremendous progress has been achieved in understanding the molecular mechanisms on various rice traits and dissecting the underlying regulatory networks.In this review,we summarize the research progress of rice biology over past decades,including omics,genome-wide association study,phytohormone action,nutrient use,biotic and abiotic responses,photoperiodic flowering,and reproductive development(fertility and sterility).For the roads ahead,cutting-edge technologies such as new genomics methods,high-throughput phenotyping platforms,precise genome-editing tools,environmental microbiome optimization,and synthetic methods will further extend our understanding of unsolved molecular biology questions in rice,and facilitate integrations of the knowledge for agricultural applications. | Rongzhi Chen Yiwen Deng Yanglin Ding Jingxin Guo Jie Qiu Bing Wang Changsheng Wang Yongyao Xie Zhihua Zhang Jiaxin Chen Letian Chen Chengcai Chu Guangcun He Zuhua He Xuehui Huang Yongzhong Xing Shuhua Yang Daoxin Xie Yaoguang Liu Jiayang Li | 2022 | Science China(Life Sciences)2022,65,1: | 12 |
| 4 | Petrogenesis and tectonic implications of early Paleozoic granitoids in East Kunlun belt: Evidences from geochronology, geochemistry and isotopes显示文摘The East Kunlun Orogenic Belt(EKOB) provides an important link to reconstruct the evolution of the Proto-Tethys and Paleo-Tethys realm. The EKOB is marked by widespread Early Paleozoic magmatism.Here we report the petrology, bulk geochemistry, zircon Ue Pb dating and, Lue Hf and SreN d isotopic data of the Early Paleozoic granitic rocks in Zhiyu area of the southern EKOB. Based on the zircon U-Pb dating, these granitoids, consisting of diorite, granodiorite and monzogranite, were formed during 450 -430 Ma the Late Ordovician to Middle Silurian. The diorite and granodiorite are high Sr/Y ratio as adakitic affinities, and the monzogranite belongs to highly fractionated I-type. Their(^(87)Sr/^(86)Sr)ivalues range from 0.7059 to 0.7085, εNd(t) values from -1.6 to -6.0 and the zircon εHf(t) values show large variations from +9.1 to -8.6 with Hf model ages(T_(DM2)) about 848 Ma and 1970 Ma. The large variations of whole-rock Nd and zircon Hf isotopes demonstrate strong isotopic heterogeneity of the source regions which probably resulted from multi-phase underplating of mantle-derived magmas. Geochemical and isotopic studies proved that the diorite and granodiorite had been derived from partial melting of heterogeneous crustal source with variable contributions from ancient continental crust and juvenile components, and the monzogranites were representing fractional crystallization and crustal contamination for arc magma. The Early Paleozoic adakitic rocks and high-K calc-alkaline granitoids in the southern EKOB were likely emplaced in a continental marginal arc setting possibly linked to the southwards subduction of the Paleo Kunlun Ocean and the magma generation is linked to partial melting of thickened continental crust induced by underplating of mantle-derived magmas. | Guochen Dong Mingfei Luo Xuanxue Mo Zhidan Zhao Liangqiong Dong Xuehui Yu Xin Wang Xiaowei Li Xiongfei Huang Yanbin Liu | 2018 | Geoscience Frontiers2018,9,5: | 10 |
| 5 | Restoration of electrical microenvironment enhances bone regeneration under diabetic conditions by modulating macrophage polarization显示文摘Macrophage-mediated inflammation compromises bone repair in diabetic patients.Electrical signaling cues are known to regulate macrophage functions.However,the biological effects of electrical microenvironment from charged biomaterials on the immune response for regulating osteogenesis under diabetic conditions remain to be elucidated.Herein the endogeneous electrical microenvironment of native bone tissue was recapitulated by fabricating a ferroelectric BaTiO_(3)/poly(vinylidene fluoridetrifluoroethylene)(BTO/P(VDF-TrFE))nanocomposite membrane.In vitro,the polarized BaTiO_(3)/poly(vinylidene fluoridetrifluoroethylene)(BTO/P(VDF-TrFE))nanocomposite membranes inhibited high glucose-induced M1-type inflammation,by effecting changes in cell morphology,M1 marker expression and pro-inflammatory cytokine secretion in macrophages.This led to enhanced osteogenic differentiation of human bone marrow mesenchymal stem cells(BM-MSCs).In vivo,the biomimetic electrical microenvironment recapitulated by the polarized nanocomposite membranes switched macrophage phenotype from the pro-inflammatory(M1)into the pro-healing(M2)phenotype,which in turn enhanced bone regeneration in rats with type 2 diabetes mellitus.Mechanistic studies revealed that the biomimetic electrical microenvironment attenuated pro-inflammatory M1 macrophage polarization under hyperglycemic conditions by suppressing expression of AKT2 and IRF5 within the PI3K-AKT signaling pathway,thereby inducing favorable osteo-immunomodulatory effects.Our study thus provides fundamental insights into the biological effects of restoring the electrical microenvironment conducive for osteogenesis under DM conditions,and offers an effective strategy to design functionalized biomaterials for bone regeneration therapy in diabetic patients. | Xiaohan Dai Boon Chin Heng Yunyang Bai Fuping You Xiaowen Sun Yiping Li Zhangui Tang Mingming Xu Xuehui Zhang Xuliang Deng | 2021 | Bioactive Materials2021,6,7: | 9 |
| 6 | A two-step lineage reprogramming strategy to generate functionally competent human hepatocytes from fibroblasts显示文摘Terminally differentiated cells can be generated by lineage reprogramming,which is,however,hindered by incomplete conversion with residual initial cell identity and partial functionality. Here, we demonstrate a new reprogramming strategy by mimicking the natural regeneration route, which permits generating expandable hepatic progenitor cells and functionally competent human hepatocytes. Fibroblasts were first induced into human hepatic progenitor-like cells (hHPLCs), which could robustly expand in vitro and efficiently engraft in vivo. Moreover, hHPLCs could be efficiently induced into mature human hepatocytes (hiHeps) in vitro, whose molecular identity highly resembles primary human hepatocytes (PHHs). Most importantly, hiHeps could be generated in large quantity and were functionally competent to replace PHHs for drug-metabolism estimation, toxicity prediction and hepatitis B virus infection modeling. Our results highlight the advantages of the progenitor stage for successful lineage reprogramming. This strategy is promising for generating other mature human cell types by lineage reprogramming. | Bingqing Xie Da Sun Yuanyuan Du Jun Jia Shicheng Sun Jun Xu Yifang Liu Chengang Xiang Sitong Chen Huangfan Xie Qiming Wang Guangya Li Xuehui LYU Hui Shen Shiyu Li Min Wu Xiaonan Zhang Yue Pu Kuanhui Xiang Weifeng Lai Peng Du Zhenghong Yuan Cheng Li Yan Shi Shichun Lu Hongkui Deng | 2019 | Cell Research2019,29,9: | 9 |
| 7 | MicroRNA 145 may play an important role in uveal melanoma cell growth by potentially targeting insulin receptor substrate-1显示文摘 | Li Yang Huang Qiming Shi Xuehui Jin Xiang Shen Li Xu Xiaolin Wei Wenbin | 2014 | Chinese Medical Journal2014,,8: | 9 |
| 8 | A Review on Binderless Tungsten Carbide: Development and Application显示文摘WC-Co alloys have enjoyed great practical significance owing to their excellent properties during the past decades.Despite the advantages,however,recently there have been concerns about the challenges associated with the use of Co,i.e.price instability,toxicity and properties degeneration,which necessitates the fabrication of binderless tungsten carbide(BTC).On the other hand,BTC or BTC composites,none of them,to date has been commercialized and produced on an industrial scale,but only used to a limited extent for specialized applications,such as mechanical seals undergoing high burthen as well as high temperature electrical contacts.There are two challenges in developing BTC:fully densifying the sintered body together with achieving a high toughness.Thus,this review applies towards comprehensively summarize the current knowledge of sintering behavior,microstructure,and mechanical properties of BTC,highlighting the densification improving strategies as well as toughening methods,so as to provide reference for those who would like to enhance the performance of BTC with better reliability advancing them to further wide applications and prepare the material in a way that is environment friendly,harmless to human health and low in production cost.This paper shows that the fabrication of highly dense and high-performance BTC is economically and technically feasible.The properties of BTC can be tailored by judiciously selecting the chemical composition coupled with taking into careful account the effects of processing techniques and parameters. | Jialin Sun Jun Zhao Zhifu Huang Ke Yan Xuehui Shen Jiandong Xing Yimin Gao Yongxin Jian Hejie Yang Bo Li | 2020 | Nano-Micro Letters2020,12,1: | 8 |
| 9 | A high-quality genome sequence of alkaligrass provides insights into halophyte stress tolerance显示文摘Alkaligrass(Puccinellia tenuiflora) is a monocotyledonous halophytic forage grass widely distributed in Northern China. It belongs to the Gramineae family and shares a close phylogenetic relationship with the cereal crops, wheat and barley. Here, we present a high-quality chromosome-level genome sequence of alkaligrass assembled from Illumina, Pac Bio and 10× Genomics reads combined with genome-wide chromosome conformation capture(Hi-C) data. The ~1.50 Gb assembled alkaligrass genome encodes 38,387 protein-coding genes, and 54.9% of the assembly are transposable elements, with long terminal repeats being the most abundant. Comparative genomic analysis coupled with stress-treated transcriptome profiling uncovers a set of unique saline-and alkaline-responsive genes in alkaligrass. The high-quality genome assembly and the identified stress related genes in alkaligrass provide an important resource for evolutionary genomic studies in Gramineae and facilitate further understanding of molecular mechanisms underlying stress tolerance in monocotyledonous halophytes. The alkaligrass genome data is freely available at http://gffzz284c18d2de364501hk9cc9kuvb0n96fvo.ffgz.tsg.suse.edu.cn/data/alkaligrass.html. | Wenting Zhang Jie Liu Yongxue Zhang Jie Qiu Ying Li Baojiang Zheng Fenhong Hu Shaojun Dai Xuehui Huang | 2020 | Science China(Life Sciences)2020,63,9: | 8 |
| 10 | Development and utilization of a new chemically-induced soybean library with a high mutation density显示文摘Mutagenized populations have provided important materials for introducing variation and identifying gene function in plants. In this study, an ethyl methanesulfonate(EMS)-induced soybean(Glycine max) population,consisting of 21,600 independent M_2 lines, was developed.Over 1,000 M_(4(5))families, with diverse abnormal phenotypes for seed composition, seed shape, plant morphology and maturity that are stably expressed across different environments and generations were identified. Phenotypic analysis of the population led to the identification of a yellow pigmentation mutant, gyl, that displayed significantly decreased chlorophyll(Chl) content and abnormal chloroplast development. Sequence analysis showed that gyl is allelic to Minn Gold, where a different single nucleotide polymorphism variation in the Mg-chelatase subunit gene(ChlI1a) results in golden yellow leaves. A cleaved amplified polymorphic sequence marker was developed and may be applied to marker-assisted selection for the golden yellow phenotype in soybean breeding. We show that the newly developed soybean EMS mutant population has potential for functional genomics research and genetic improvement in soybean. | Zhongfeng Li Lingxue Jiang Yansong Ma Zhongyan Wei Huilong Hong Zhangxiong Liu Jinhui Lei Ying Liu Rongxia Guan Yong Guo Longguo Jin Lijuan Zhang Yinghui Li Yulong Ren Wei He Ming Liu Nang Myint Phyu Sin Htwe Lin Liu Bingfu Guo Jian Song Bing Tan Guifeng Liu Maiquan Li Xianli Zhang Bo Liu Xuehui Shi Sining Han Sunan Hua Fulai Zhou Lili Yu Yanfei Li Shuang Wang Jun Wang Ruzhen Chang Lijuan Qiu | 2017 | Journal of Integrative Plant Biology2017,59,1: | 6 |
| 11 | Translational Regulation of Plant Response to High Temperature by a Dual-Function tRNAHls Guanylyltransferase in Rice显示文摘As sessile organisms,plants have evolved numerous strategies to acclimate to changes in environmental temperature.However,the molecular basis of this acclimation remains largely unclear.In this study we identified a tRNAHis guanylyltransferase,AET1,which contributes to the modification of pre-tRNAH,s and is required for normal growth under high-temperature conditions in rice.Interestingly,AET1 possibly interacts with both RACK1A and elF3h in the endoplasmic reticulum.Notably,AET1 can directly bind to OsARF mRNAs including the uORFs of OsARF19 and OsARF23,indicating that AET1 is associated with translation regulation.Furthermore,polysome profiling assays suggest that the translational status remains unaffected in the aet1 mutant,but that the translational efficiency of OsARF19 and OsARF23 is reduced;moreover,OsARF23 protein levels are obviously decreased in the aet1 mutant under high temperature,implying that AET1 regulates auxin signaling in response to high temperature.Ourfindings provide new insights into the molecular mechanisms whereby AET1 regulates the environmental temperature response in rice by playing a dual role in tRNA modification and translational control. | Ke Chen Tao Guo Xin-Min Li Yi-Min Zhang Yi-Bing Yang Wang-Wei Ye Nai-Qian Dong Chuan-Lin Shi Yi Kan You-Huang Xiang Hai Zhang Ya-Chao Li Ji-Ping Gao Xuehui Huang Qiang Zhao Bin Han Jun-Xiang Shan Hong-Xuan Lin | 2019 | Molecular Plant2019,12,8: | 4 |
| 12 | Fluorescence enhancement and cofluorescence in complexes of terbium(III) with trimellitic acid显示文摘The fluorescence of terbium (III) was enhanced by about three orders of magnitude in the presence of trimellitic acid (benzene-1, 2, 4-tricarboxylic acid (TLA)) in aqueous solution at pH 6. The fluorescence intensity could be greatly in- creased when the system of Tb3+-TLA was treated with La3+ (or Gd3+) and TritonX-100. The addition of La3+ (or Gd3+) en- hances the fluorescence of the system by about two orders of magnitude due to cofluorescence, and the TritonX-100 micel- lar medium plays an important role for stabilization of the system. Both the intermolecular energy transfer mode and in- tramolecular energy transfer mode are responsible for the mechanism of fluorescence enhancement. In the optimum condi- tions, the fluorescence intensity is a linear function of Tb3+ concentration in the range of 7.8 × 10?9-3.6 × 10?6 mol/L for the system Tb3+-La3+-TLA and 1.0 × 10?8-4.7 × 10?6 mol/L for the system Tb3+-Gd3+-TLA, and the limits of detection are 4.6 × 10?10 mol/L and 6.0 × 10?10 mol/L, respectively. | ZHAO Xuehui HUANG Kelong JIAO Feipeng LI Zhiaojian PENG Xiahui | 2006 | Rare Metals2006,25,2: | 4 |
| 13 | Distribution of elements extracted from symptom patterns and characteristics of polysomnograph of common symptom patterns of insomnia with Traditional Chinese Medicine显示文摘OBJECTIVE: To analyze the distribution and combined regulation of elements of symptom patterns in the diagnosis of insomnia with Traditional Chinese Medicine(TCM).METHODS: The samples were collected from the patients, diagnosed with insomnia, of Henan Province Hospital of TCM between June 2011 and September 2013. The symptom patterns in insomnia were extracted. Next, symptom differentiation,characteristics of polysomnography(PSG), distribution and combined regulation of these symptom patterns were conducted by tests.RESULTS: In total, 286 eligible patients were recruited. The main locations of the disease symptom elements were the brain and heart, and the main characteristics of the disease symptom elements were phlegm-heat, Yin-deficiency and Qi-stagnation. The elements from two or three symptom patterns were commonly manifested in patients with insomnia, especially from three symptom patterns. We also found that all TCM symptom patterns had an effect on polysomnographic indicators in PSG tests.CONCLUSION: The elements of symptom patterns in insomnia were identified as mainly fire-heat and phlegm-heat. The most common patterns of excess were pathogenic fire derived from stagnation of liver-Qi, and mental disturbance due to phlegm-heat,while the most common patterns of deficiency in both the heart and the spleen. There are many differences in PSG indicators of different syndrome patterns of insomnia. | Cui Yinglin Zheng Weifeng Xu Li Meng Yi Wang Yuqin Chang Xuehui | 2016 | Journal of Traditional Chinese Medicine2016,36,5: | 4 |
| 14 | Enhancing rice grain production by manipulating the naturally evolved cis-regulatory element-containing inverted repeat sequence of OsREM20显示文摘Grain number per panicle(GNP)is an important agronomic trait that contributes to rice grain yield.Despite its importance in rice breeding,the molecular mechanism underlying GNP regulation remains largely unknown.In this study,we identified a previously unrecognized regulatory gene that controls GNP in rice,Oryza sativa REPRODUCTIVE MERISTEM 20(OsREM20),which encodes a B3 domain transcription factor.Through genetic analysis and transgenic validation we found that genetic variation in the CArG box-containing inverted repeat(IR)sequence of the OsREM20 promoter alters its expression level and contributes to GNP variation among rice varieties.Furthermore,we revealed that the IR sequence regulates OsREM20 expression by affecting the direct binding of OsMADS34 to the CArG box within the IR sequence.Interestingly,the divergent pOsREM20IR and pOsREM20ΔIR alleles were found to originate from different Oryza rufipogon accessions,and were independently inherited into the japonica and indica subspecies,respectively,during domestication.Importantly,we demonstrated that IR sequence variations in the OsREM20 promoter can be utilized for germplasm improvement through either genome editing or traditional breeding.Taken together,our study characterizes novel genetic variations responsible for GNP diversity in rice,reveals the underlying molecular mechanism in the regulation of agronomically important gene expression,and provides a promising strategy for improving rice production by manipulating the cis-regulatory element-containing IR sequence. | Xiaowei Wu Yan Liang Hengbin Gao Jiyao Wang Yan Zhao Lekai Hua Yundong Yuan Ahong Wang Xiaohui Zhang Jiafan Liu Jie Zhou Xiangbing Meng Dahan Zhang Shaoyang Lin Xuehui Huang Bin Han Jiayang Li Yonghong Wang | 2021 | Molecular Plant2021,14,6: | 3 |
| 15 | Administration of ghrelin improves inflammation, oxidative stress, and apoptosis during and after non-alcoholic fatty liver disease development显示文摘 | Yan Li Jie Hai Lake Li Xuehui Chen Hua Peng Meng Cao Qinggui Zhang | 2013 | Endocrine2013,,2: | 3 |
| 16 | Extended tacrolimus release via the combination of lipid-based solid dispersion and HPMC hydrogel matrix tablets显示文摘The objective of this study is to evaluate the feasibility of obtaining extended release of tacrolimus by a novel combination of lipid-based solid dispersion and matrix-type extended release tablet techniques. Tacrolimus solid dispersion was prepared using glycerylbehenate(Compritol~?ATO888) and Pluronic F127 as the carrier materials with hot-melt method, which was then blended with hydrogel matrix materials, such as HPMC and lactose, the powders were directly compressed into tablets. In vitro drug release tests were carried out to evaluate the performance of the solid dispersions and the tablets. The dissolution rate of tacrolimus was significantly improved by the lipid-based solid dispersion, and the incorporation of HPC into the solid dispersion obviously improved its stability after storage. Extended release tablets loaded with tacrolimus solid dispersion showed prolonged drug release patterns over 24 h, the release patterns of the tablets can be tailored by the compositions of the matrix materials, including the types and content of HPMCs. A modified processing method that directly mixed the melted solid dispersion with HPMC powders improved the uniformity of the solid dispersion inside the tablet matrix and release profile. The release data of the extended release tablet fitted well to the Korsmeyer–Peppas model with n value of 0.85, which suggested diffusion-and erosion-controlled release mechanism. The combination of lipid-based solid dispersion and HPMC hydrogel matrix may find wide applications in the extended release dosage forms of high potent, water-insoluble drugs. | Hui Xu Li Liu Xuehui Li Junyuan Ma Rui Liu Shaoning Wang | 2019 | Asian Journal of Pharmaceutical Sciences2019,14,4: | 3 |
| 17 | Ionic liquids: Efficient solvent and medium for the transformation of renewable lignocellulose显示文摘Carbon-enriched lignocelluloses are regarded as the perfect alternative for nonrenewable fossil fuel, and have a great potential to alleviate the increasing energy crisis and climate change. However, the tightly covalent structure and strong intra and in- ter-molecular hydrogen bonding in lignocellulose make it high recalcitrance to transformation due to the poor solubility in wa- ter or common organic solvents. Dissolution and transformation of lignocellulose and its constituents in ionic liquids have therefore attracted much attention recently due to the tunable physical-chemical properties. Here, ionic liquids with excellent dissolving capability for biomass and its ingredients were examined. The technologies for lignocellulose biorefining in the presence of ionic liquid solvents or catalysts were also summarized. Some pertinent suggestions for the future catalytic conver- sion and unitization of this sustained carbon-rich resource are proposed. | LONG JinXing LI XueHui WANG LeFu ZHANG Ning | 2012 | Science China Chemistry2012,55,8: | 3 |
| 18 | Electrochemical, quantum chemical and SEM investigation of the inhibiting effect and mechanism of ciprofloxacin, norfloxacin and ofloxacin on the corrosion for mild steel in hydrochloric acid显示文摘The inhibiting effect and mechanism of 1-cyclopropyl-6-fluoro-1,4-dihydro -4-oxo-7-(1-piperazinyl) -3- quinoline carboxylicacid(ciprofloxacin), 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinoline carboxylic acid (norfloxacin) and (?)-(S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7- oxo-7 H-pyrido(1,2,3-de)-1,4- benzoxazine-6 carboxylic acid (ofloxacin) on the corrosion of mild steel in 1 mol/L HCl have been studied using electrochemical method, quantum chemical method and SEM at 303 K. The potentiodynamic results showed that these compounds suppressed both cathodic and an-odic processes of mild steel corrosion in 1 mol/L HCl. The impedance spectroscopy showed that Rp values increased, and Cdl values decreased with the rising of the working concentration. Quantum chemical calculation showed that there was a positive correlation between some inhibitors structure properties and the inhibitory efficiency. The inhibitors function through adsorption followed Langmuir isotherm, and chemisorption made more contribution to the adsorption of the inhibitors on the steel surface compared with physical adsorption. SEM analysis suggested that the metal had been protected from aggressive corrosion because of the addition of the inhibitors. | PANG XueHui GUO WenJuan LI WeiHua XIE JianDong HOU BaoRong | 2008 | Science China Chemistry2008,51,10: | 2 |
| 19 | Cytoplasmic and nuclear genome variations of rice hybrids and their parents inform the trajectory and strategy of hybrid rice breeding显示文摘The male sterility(MS)line is a prerequisite for efficient production of hybrid seeds in rice,a self-pollinating species.MS line breeding is pivotal for hybrid rice improvement.Understanding the historical breeding tra-jectory will help to improve hybrid rice breeding strategies.Maternally inherited cytoplasm is an appro-priate tool for phylogenetic reconstruction and pedigree tracing in rice hybrids.In this study,we analyzed the cytoplasmic genomes of 1495 elite hybrid rice varieties and identified five major types of cytoplasm,which correspond to different hybrid production systems.As the cytoplasm donors for hybrids,461 MS lines were also divided into five major types based on cytoplasmic and nuclear genomic architecture.Spe-cific core accessions cooperating with different fertility-associated genes drove the sequence divergence of MS lines.Dozens to hundreds of convergent and divergent selective sweeps spanning several agro-nomic trait-associated genes were identified among different types of MS lines.We further analyzed the cross patterns between different types of MS lines and their corresponding restorers.This study system-atically analyzed the cytoplasmic genomes of rice hybrids revealed their relationships with nuclear ge-nomes of MS lines,and illustrated the trajectory of hybrid rice breeding and the strategies for breeding different types of MS lines providing new insights for future improvement of hybrid rice. | Zhoulin Gu Zhou Zhu Zhen Li Qilin Zhan Qi Feng Congcong Zhou Qiang Zhao Yan Zhao Xiaojian Peng Bingxin Dai Rongrong Sun Yan Li Hengyun Lu Lei Zhang Tao Huang Junyi Gong Danfeng Lv Xuehui Huang Bin Han | 2021 | Molecular Plant2021,14,12: | 2 |
| 20 | Which is the determinant for cellulose degradation in cooperative ionic liquid pairs: dissolution or catalysis?显示文摘Catalytic conversion of sustainable cellulose to the value-added chemicals and high quality biofuel has been recognized as a perfect approach for the alleviation of the dependence on the non-renewable fossil resources. Previously, we successfully designed and explored novel and efficient cooperative ionic liquid pairs for this renewable material, which has advantages of high reactor efficiency than current technologies because of the dissolution and in situ catalytic decomposition mechanism. Here, the determinant of this process is further studied by the intensive investigation on the relationship between the cellulose conversion and the properties of ionic liquid catalyst and solvent. Scanning electron microscope(SEM), thermogravimetric analysis(TG) and elemental analysis were used for the comparative characterization of raw cellulose and the residues. The results demonstrate that this consecutive dissolution and in situ catalysis process is much more dependent on the dissolution capability of ionic liquid solvent, while comparatively, the effect of in situ acid catalysis is relatively insignificant. | Jinxing Long Yangyu Zhang Lefu Wang Xuehui Li | 2016 | Science China Chemistry2016,59,5: | 2 |