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| 1 | Cold Stress-induced Glucosyltransferase CsUGT78A15 is Involved in the Formation of Eugenol Glucoside in Camellia sinensis显示文摘Eugenol is a natural phenolic compound known for its health-promoting properties and its ability to add a floral scent to tea plants.Plant eugenol glycosides have been identified and shown to make important contributions to fruit floral quality.However,the details of their biosynthesis and metabolism in tea plants are still unknown.Here,eugenol glucoside was unambiguously identified as a native metabolite in the tea plant,and its biosynthesis was shown to be induced by low temperature treatment.Through the analysis of UGTs induced by low temperature,the glycosyltransferase CsUGT78A15 was identified in tea,and its encoded protein was shown to catalyze the glucosylation of eugenol.Vmax/Km ratios showed that eugenol was the most suitable substrate for CsUGT78A15.Sugar donor preference analysis showed that CsUGT78A15 had a higher selectivity for glucose,followed by galactose and glucuronic acid.The expression of CsUGT78A15was correlatedwith the accumulation of eugenol glucoside in different tissues and genotypes of tea.Down-regulation of CsUGT78A15 led to a decreased eugenol glucoside content under cold stress,indicating that CsUGT78A15 plays an important role in the biosynthesis of eugenol glucoside under cold stress.The identification of eugenol glucoside in the tea plant and the discovery of a cold stress-induced eugenol glucosyltransferase in tea provide the foundation for the improvement of tea flavor under cold stress and the biotechnological production of eugenol glucoside. | Mingyue Zhao Binbin Cai Jieyang Jin Na Zhang Tingting Jing Jingming Wang Yuting Pan Zixiang Zhou Yifan Zhao Yingying Feng Feng Yu Mengting Zhang Yating Li Zhonghua Liu Chuankui Song | 2020 | Horticultural Plant Journal2020，6，6： | 4 |
| 2 | A GPU-based numerical model coupling hydrodynamical and morphological processes显示文摘Sediment transport simulations are important in practical engineering.In this study,a graphics processing unit(GPU)-based numerical model coupling hydrodynamical and morphological processes was developed to simulate water flow,sediment transport,and morphological changes.Aiming at accurately predicting the sediment transport and sediment scouring processes,the model resolved the realistic features of sediment transport and used a GPU-based parallel computing technique to the accelerate calculation.This model was created in the framework of a Godunov-type finite volume scheme to solve the shallow water equations(SWEs).The SWEs were discretized into algebraic equations by the finite volume method.The fluxes of mass and momentum were computed by the Harten,Lax,and van Leer Contact(HLLC) approximate Riemann solver,and the friction source terms were calculated by the proposed a splitting point-implicit method.These values were evaluated using a novel 2 D edge-based MUSCL scheme.The code was programmed using C++and CUDA,which could run on GPUs to substantially accelerate the computation.The aim of the work was to develop a GPU-based numerical model to simulate hydrodynamical and morphological processes.The novelty is the application of the GPU techniques in the numerical model,making it possible to simulate the sediment transport and bed evolution in a high-resolution but efficient manner.The model was applied to two cases to evaluate bed evolution and the effects of the morphological changes on the flood patterns with high resolution.This indicated that the GPU-based high-resolution hydro-geomorphological model was capable of reproducing morphological processes.The computational times for this test case on the GPU and CPU were298.1 and 4531.2 s,respectively,indicating that the GPU could accelerate the computation 15.2 times.Compared with the traditional CPU high-grid resolution,the proposed GPU-based high-resolution numerical model improved the reconstruction speed more than 2.0-12.83 times for different grid resolutions while remaining computationally efficient. | Jingming Hou Yongde Kang Chunhong Hu Yu Tong Baozhu Pan Junqiang Xia | 2020 | International Journal of Sediment Research2020，35，4： | 3 |
| 3 | Failure mechanism of full-size concrete filled steel circle and square tubes under uniaxial compression显示文摘In this paper, the failure mechanisms of full-size concrete filled steel tubes(CFST) under uniaxial compression were investigated with nonlinear finite element method. Existing experimental results were employed to verify the validity of the finite element models of CFST specimens. Then, the numerical analysis was further conducted to study the mechanical behaviors of full-size CFST columns with circular and square cross sections under uniaxial compression. The simulation results indicate that the distribution of the contact pressure between circular steel tube and core concrete is much more uniform than that between square steel tube and concrete, resulting in much higher confinement and more efficient interaction between steel tube and core concrete in circular CFST columns, as well as ultimate load capacity and ultimate displacement. Extensive parametric analysis was also conducted to examine the effect of various parameters on the uniaxial compression behaviors of circular and square CFST columns. | CAI JingMing PAN JinLong SHAN QiFeng | 2015 | Science China(Technological Sciences)2015，58，10： | 2 |
| 4 | Determination of redwine flavonoids by HPLC and effect of aging显示文摘 | FangFang Jingming Li Qiuhong Pan el al | 2007 | Food Chemistry2007，101，： | 1 |
| 5 | Analysis of free gift card program effectiveness 显示文摘 | Khouja Moutaz Pan Jingming Ratchford Brian-T ZhouJin | 2011 | Jour-nal of retailing2011，，4： | 1 |
| 6 | The efficacy of a voice training program: a case–control study in China显示文摘 | Jingming Duan Li Zhu Yan Yan Tao Pan Peiquan Lu Furong Ma | 2010 | European Archives of Oto-Rhino-Laryngology2010，，1： | 1 |
| 7 | Promoter and coding sequence diversity of CsCCD1 may contribute to the differential accumulation of floralβ-ionone in fresh tea leaves显示文摘The carotenoid-derived volatileβ-ionone makes an important contribution to tea fragrance.Here,we qualitatively and quantitatively analysed 15 carotenoids in tea leaves of 13 cultivars by UHPLC-APCI-MS/MS.The 13 cultivars were divided into two groups by PCA(Principal Component Analysis)clustering analysis of their carotenoid content,and OPLS-DA(Orthogonal projections to latent structures)indicated that the levels ofβ-carotene(VIP=2.89)and lutein(VIP=2.30)were responsible for much of the variation between the two groups.Interestingly,theβ-carotene toβ-ionone conversion rates in Group 1 were higher than in Group 2,while theβ-carotene content was significantly lower in Group 1 than in Group 2.Theβ-ionone content was significantly higher in Group 1.Pearson Correlation Coefficient calculation between the transcription level of candidate genes(CsCCD1 and CsCCD4)and the accumulation ofβ-ionone indicated that CsCCD1 may involve in the formation ofβ-ionone in 13 cultivars.Prokaryotic expression and in vitro enzyme activity assays showed that‘Chuanhuang 1’had an amino acid mutation in carotenoid cleavage dioxygenases 1(CsCCD1)compared with‘Shuchazao’,resulting in a significantly higherβ-ionone content in‘Chuanhuang 1’.Sequence analysis showed that‘Chuanhuang 1’and‘Huangdan’had different CsCCD1 promoter sequences,leading to significantly higher CsCCD1 expression andβ-ionone accumulation in‘Chuanhuang 1’.These results indicated that the promoter and coding sequence diversity of CsCCD1 might contribute to the differential accumulation ofβ-ionone in different tea cultivars. | Jingming Wang Mingyue Zhao Ting Gao Yingying Feng Feiquan Wang Yuting Pan Jieyang Jin Tingting Jing Mengqian Lu Mengting Zhang Danyang Guo Xiaochun Wan Wilfried Schwab Chuankui Song | 2023 | Horticultural Plant Journal2023，9，4： | 1 |
| 8 | Two-dimensional hydrodynamic robust numerical model of soil erosion based on slopes and river basins显示文摘Erosion is an important issue in soil science and is related to many environmental problems,such as soil erosion and sediment transport.Establishing a simulation model suitable for soil erosion prediction is of great significance not only to accurately predict the process of soil separation by runoff,but also improve the physical model of soil erosion.In this study,we develop a graphic processing unit(GPU)-based numerical model that combines two-dimensional(2D)hydrodynamic and Green-Ampt(G-A)infiltration modelling to simulate soil erosion.A Godunov-type scheme on a uniform and structured square grid is then generated to solve the relevant shallow water equations(SWEs).The highlight of this study is the use of GPU-based acceleration technology to enable numerical models to simulate slope and watershed erosion in an efficient and high-resolution manner.The results show that the hydrodynamic model performs well in simulating soil erosion process.Soil erosion is studied by conducting calculation verification at the slope and basin scales.The first case involves simulating soil erosion process of a slope surface under indoor artificial rainfall conditions from 0 to 1000 s,and there is a good agreement between the simulated values and the measured values for the runoff velocity.The second case is a river basin experiment(Coquet River Basin)that involves watershed erosion.Simulations of the erosion depth change and erosion cumulative amount of the basin during a period of 1-40 h show an elevation difference of erosion at 0.5-3.0 m,especially during the period of 20-30 h.Nine cross sections in the basin are selected for simulation and the results reveal that the depth of erosion change value ranges from-0.86 to-2.79 m and the depth of deposition change value varies from 0.38 to 1.02 m.The findings indicate that the developed GPU-based hydrogeomorphological model can reproduce soil erosion processes.These results are valuable for rainfall runoff and soil erosion predictions on rilled hillslopes and river basins. | KANG Yongde HUANG Miansong HOU Jingming TONG Yu PAN Zhanpeng | 2021 | Journal of Arid Land2021，13，10： | 0 |
| 9 | ‘Invisible’ orthodontics by polymeric ‘clear’ aligners molded on 3D-printed personalized dental models显示文摘The malalignment of teeth is treated classically by metal braces with alloy wires,which has an unfavorable influence on the patients appearance during the treatment.With the development of digitization,computer simulation and three-dimensional(3D)printing technology,herein,a modern treatment was tried using clear polymeric aligners,which were fabricated by molding polyurethane films via thermoforming on the 3D-printed personalized dental models.The key parameters of photocurable 3D printing of dental models and the mechanical properties of the clear aligner film material were examined.The precision of a 3D-printed dental model mainly relied on characteristics of photocurable resin,the resolution of light source and the exposure condition,which determined the eventual shape of the molded clear aligner and thus the orthodontic treatment efficacy.The biocompatibility of the polyurethane filmmaterial was confirmed through cytotoxicity and hemolysis tests in vitro.Following a series of 3D-printed personalized dental models and finite element analysis to predict and plan the fabrication and orthodontic processes,corresponding clear aligners were fabricated and applied in animal experiments,which proved the efficacy and biocompatibility in vivo.Clinical treatments of 120 orthodontic cases were finally carried out with success,which highlights the advantage of the clear aligners as an esthetic,compatible and efficient appliance. | Xiaoye Yu Guanghui Li Yikan Zheng Jingming Gao Ye Fu Qunsong Wang Lei Huang Xiaogang Pan Jiandong Ding | 2022 | Regenerative Biomaterials2022，9，1： | 0 |
| 10 | Volatile compound-mediated plant-plant interactions under stress with the tea plant as a model显示文摘Plants respond to environmental stimuli via the release of volatile organic compounds(VOCs),and neighboring plants constantly monitor and respond to these VOCs with great sensitivity and discrimination.This sensing can trigger increased plant fitness and reduce future plant damage through the priming of their own defenses.The defense mechanism in neighboring plants can either be induced by activation of the regulatory or transcriptional machinery,or it can be delayed by the absorption and storage of VOCs for the generation of an appropriate response later.Despite much research,many key questions remain on the role of VOCs in interplant communication and plant fitness.Here we review recent research on the VOCs induced by biotic(i.e.insects and pathogens)and abiotic(i.e.cold,drought,and salt)stresses,and elucidate the biosynthesis of stress-induced VOCs in tea plants.Our focus is on the role of stress-induced VOCs in complex ecological environments.Particularly,the roles of VOCs under abiotic stress are highlighted.Finally,we discuss pertinent questions and future research directions for advancing our understanding of plant interactions via VOCs. | Jieyang Jin Mingyue Zhao Tingting Jing Mengting Zhang Mengqian Lu Guomeng Yu Jingming Wang Danyang Guo Yuting Pan Timothy D.Hoffmann Wilfried Schwab Chuankui Song | 2023 | Horticulture Research2023，10，9： | 0 |
| 11 | Hydrothermal sedimentation and superlarge ore deposit显示文摘HYDROTHERMAL fluids, circulated under earth surface, yielded infilling, replacement and thermal dynamic process when ascended near basin basement and resulted in sedimentation when vented into basin, anddeposited pure massive sulfide, chert, feldspar, barite, carbonate and tourmaline rocks with specialstructures, such as massive, laminated, banded, brecciated, stockwork, veinlet and vein which weredistributed in a zonation in space. Sometimes the hydrothermal sediments are mainly composed of microbios. The various types of hydrothermal sedimentary deposits are developed very well in several stages ofgeological history in China. This note will mainly discuss the hydrothermal sedimentary mineralization andthe formation of superlarge ore deposits in four metallogenic belts in China: Devonian belt in QinlingMountains; Sinian belt in South China; Middle Proterozoic belt in Inner Mongolia; Permian belt in SouthChina. 1 Devonian metallogenic belt in Qinling | CHEN Xianpei~1, CHEN Doufu~1, GAO Jiyuan~1, PAN Jingming~1, CHEN Guangqian~1, QI Shijing~2 and LI Ying~2 1. Guangzhou Institute of Geochemistry, Chinese Academy of Scienees, Guangzhou 510640, China 2. Department of Geology, Xi’an Institute of Geology, Xi’an 710054, China | 1999 | Chinese Science Bulletin1999，44，S2： | 0 |
| 12 | Mineralization of sediment-hosted ore deposits in reef-chert suite in China显示文摘THE reef-chert suite, named by Chen, mainly consists of four types of rocks, with reef carbonate in thelower part, fine detrital rocks in the upper part, chert beds with ore bodies in the intermediate, and synchronous volcanic rocks either in this sequence or in the same sequence in the neighboring district. It isformed as a fixed and ordered suite in space and time, and is the comprehensive product of normal sedimentary process, biological process in extensional basin, hydrothermal sedimentary process near basinbase and magmatic process in the deep of lithosphere in the special geological setting. Many of thesediment-hosted ore deposits usually occur in such a suite in China, such as Dajiangping pyrite deposit,Shuikoushan lead-zinc ore deposit, Changkeng gold-silver deposit, Dachang cassiterite-lead-zinc ore deposit, Xikuangshan stibium ore deposit, Changba-Lijiangou lead-zinc ore deposit, Baiyunebo | CHEN Duofu, CHEN Xiangpei, GAO Jiyuan, PAN Jingming and CHEN Guangqian Guangzbou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China | 1999 | Chinese Science Bulletin1999，44，S2： | 0 |
| 13 | Helium incorporation induced direct-gap silicides显示文摘The search of direct-gap Si-based semiconductors is of great interest due to the potential application in many technologically relevant fields.This work examines the incorporation of He as a possible route to form a direct band gap in Si.Structure predictions and first-principles calculations show that He and Si,at high pressure,form four dynamically stable phases of Si_(2)He(oP36-Si_(2)He,tP9-Si_(2)He,mC18-Si_(2)He,and mC12-Si_(2)He).All phases adopt host–guest structures consisting of a channel-like Si host framework filled with He guest atoms.The Si frameworks in oP36-Si2He,tP9-Si2He,and mC12-Si_(2)He could be retained to ambient pressure after removal of He,forming three pure Si allotropes.Among them,oP36-Si_(2)He and mC12-Si_(2)He exhibit direct band gaps of 1.24 and 1.34 eV,respectively,close to the optimal value(~1.3 eV)for solar cell applications.Analysis shows that mC12-Si_(2)He with an electric dipole transition allowed band gap possesses higher absorption capacity than cubic diamond Si,which makes it to be a promising candidate material for thin-film solar cell. | Shicong Ding Jingming Shi Jiahao Xie Wenwen Cui Pan Zhang Kang Yang Jian Hao Lijun Zhang Yinwei Li | 2021 | npj Computational Materials2021，，1： | 0 |
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