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13篇 您的检索式:作者名="Xuncheng Wang"
    题名 作者 年代 出处 被引量
1Climate and environment reconstruction during the Medieval Warm Period in Lop Nur of Xinjiang, China显示文摘We made multi-proxy analysis of 14C, grain size, microfossils, plant seeds, and geochemical elements on samples from a profile in the central West Lake of Lop Nur. The grain size suggests relatively stable sedimentary environment around the Medieval Warm Period (MWP) with weak storm effect, which is followed by frequent strong storm events. Abundant microfossils and plant seeds in this stage indicate a warm and humid fresh to brackish lake environment. C, N, and stable elements are high in content in the sediments while Rb/Sr, Ba/Sr, and Ti/Sr are in a steady low level. In addition, plenty of red willows lived here prior to about 700 a B.P., indicating a favorable environmental condition. The results indicate that the environment in Lop Nur and its west bank turned to be favorable at about 2200 a B.P., where the Loulan Culture began to thrive. Then the climate and environment came to be in the good condition in the Tang and Song Dynasties, when the storm effect became weaker, rainfall increased and the salty lake water turned to be brackish to fresh lake water. Hence, limnic biomass increased with higher species diversity.MA ChunMei WANG FuBao CAO QiongYing XIA XunCheng LI ShengFeng Li XuSheng 2008Chinese Science Bulletin2008,53,19:13
2Genomic Features and Regulatory Roles of Intermediate-Sized Non-Coding RNAs in Arabidopsis显示文摘在染色体宽的技术的最近的进展与各种各样的尺寸 ineukaryotes 允许几千非编码的 RNA 的鉴定,其中一些进一步被显示了在许多生物进程服务重要函数。然而在 modelplant Arabidopsis,新奇中介大小的 ncRNAs (im-ncRNAs )(50 ~ 300 nt ) 很限制了信息。由与深定序的技术使用修改隔离 strategycombined,我们全球性在 Arabidopsis 识别了 838 im-ncRNAs。多于一半(58%) 是新 ncRNA 种类,主要进化分叉。有趣地,与 5-UTR-derived 小说 im-ncRNAs 注解了 protein-codinggenes 趋于高度被表示。为 intergenic im-ncRNAs,他们比得上在幼苗的 mRNAs 的平均 abundanceswere,而是子集,在开始衰老的展出显著地更低的表示离开。进一步, intergenic im-ncRNAs 被调整由类似基因并且编码蛋白质的基因的到那些的 epigenetic 机制,和 someshowed 发展地调整了表示模式。基因屏蔽显示出的大规模颠倒 down-regulationof 很多 im-ncRNAs 在 vivo 导致了明显的分子的变化或反常发展显型,在植物生长和开发显示 im-ncRNAs 的功能的重要性。一起,我们的结果证明 thatnovel Arabidopsis im-ncRNAs 发展地被调整,功能的部件在 transcriptome.Key 词发现了:Yuqiu Wang Xuncheng Wang Wei Deng Xiuduo Fan Ting-Ting Liu Guangming He Runsheng Chen William Terzaghi Danmeng Zhu Xing Wang Deng 2014Molecular Plant2014,7,3:9
3Spatial distribution of heavy metals(Cu, Pb, Zn, and Cd)in sediments of a coastal wetlands in eastern Fujian, China显示文摘We investigated the spatial distribution(horizontal and vertical concentrations) of copper(Cu),lead(Pb), zinc(Zn), and cadmium(Cd) in five wetland types(mudflat, aquaculture wetland, water area, farmland wetland and mangrove) from three areas(Ningde, Fuding,and Xiapu), China. Cu concentrations in five wetland types descended in the order: farm wetland, mudflat, aquaculture,water area and mangrove. Pb concentrations decreased in the order: aquaculture, mangrove, farm wetland, mudflat,and water area. Zn content decreased in the order: farm wetland, water area, aquaculture, mudflat and mangrove,and Cd content decreased as follows: mangrove, aquaculture, water area, mudflat, and farm wetland. Comparison of the concentrations of the same heavy metals in different areas showed that the highest Cu(63.75 mg kg^-1) and Zn(152.32 mg kg^-1) concentrations occurred in Ningde coastal wetlands; Pb(110.58 mg kg^-1) and Cd(2.81 mg kg^-1) contents were highest in Fuding wetlands,and the average contents of all heavy metals were very low in Xiapu wetlands. Examination of the vertical distribution showed that the Cu content was high in all mudflat layers;Pb and Cd concentrations were highest in aquaculture and mangrove wetlands, respectively, and Zn content was highest in farm wetlands. The spatial distribution of Cu and Zn contents for different areas decreased as follows:Ningde [ Fuding [ Xiapu, for Pb and Cd were most concentrated in Fuding coastal wetlands. Concentrations of Zn and Cu were highly correlated, while Zn and Cu were not significantly correlated with Pb.Lili Zhao Weibin You Haiqing Hu Wei Hong Xiaojuan LIAO Shihong Xiao Ren Wang Jinbiao Cai Xuncheng Fan Yong Tan Dongjin He 2015Journal of Forestry Research2015,26,3:8
4A preliminary study of chronology for a newly-discovered ancient city and five archaeological sites in Lop Nor, China显示文摘In the past century, it has long been debated in the archeological, historical, geographical, and many other related communities where the capital of the Luolan and Shanshan states was in the Lop Nor region. This paper presents three AMS radiocarbon ages from a newly-discovered ancient city at about 6.3 km to the northwest of the Xiaohe Graveyard, and fifteen new radiocarbon ages from the Loulan (LA), LE, Qieerqiduke, Milan, and Tuyin sites in Lop Nor. The new investigation shows that the age of newly-discovered ancient city is at ca. 440–500 AD, belonging to the Northern Wei Dynasty (386–534 AD). This is about 100–300 years younger than Loulan (ca. 100–230 AD), LE (ca. 230–300 AD), Qieerqiduke (ca. 200 AD), and Tuyin (ca. 100 AD). A wooden beam from Milan fortress is dated to ca. 370 AD, while the age on north wall at west gate of the fortress is younger, around 770 AD, suggesting that its construction time might be at the Tang Dynasty. According to 14C ages, cultural relic style, and the geographical location, the newly-discovered ancient city is probably attributed to 'Zhubin City', as documented in the historical literature. Temporally, we name the city 'ancient Zhubin River City'. However, the characteristics and functions of this ancient city are largely unknown and need more detailed archaeological excavation and investigation in the future. Given its location near the ancient postal relay of Alagan on the crossroad, there is no doubt that the newly-discovered city was at an important geographical position on the Silk Road, no matter whether it was called 'Zhubin City', or 'Lielo City', or the capital of Loulan state–'Yuni City'. Our findings provide new evidence for the temporal and spatial distribution of ancient relic sites and the development of civilization in western China, thus contributing to our understanding of the relationship between human activities and environmental change in the Lop Nor region.LU HouYuan XIA XunCheng LIU JiaQi QIN XiaoGuang WANG FuBao YIDILISI Abuduresule ZHOU Li Ping MU GuiJin JIAO YingXin LI JingZhi 2010Chinese Science Bulletin2010,55,1:8
5Environmental significance exploration to Tamarix ConeAge Layer in Lop Nur Lake region显示文摘XlA Xuncheng ZHAO Yuanjie WANG Fubao CAO Qiongying 2005Chinese Science Bulletin2005,50,20:6
6A Positive Feedback Loop of BBX11–BBX21–HY5 Promotes Photomorphogenic Development in Arabidopsis显示文摘Light is the most important environmental factor affecting many aspects of plant development.In this study,we report that B-box protein 11(BBX11)acts as a positive regulator of red light signaling.BBX11 loss-of-function mutant seedlings display significantly elongated hypocotyls under conditions of both red light and long day,whereas BBX11 overexpression causes markedly shortened hypocotyls under various light states.BBX11 binds to the HY5 promoter to activate its transcription,while both BBX21 and HY5 associate with the promoter of BBX11 to positively regulate its expression.Taken together,our results reveal positive feedback regulation of photomorphogenesis consisting of BBX11,BBX21,and HY5,thus substantiating a transcriptional regulatory mechanism in the response of plants to light during normal development.Xianhai Zhao Yueqin Heng Xuncheng Wang Xing Wang Deng Dongqing Xu 2020Plant Communications2020,1,5:2
7Natural variation of H3K27me3 modification in two Arabidopsis accessions and their hybrid显示文摘Histone modifications affect gene expression, but hthe mechanism and biological consequence of natural variation igin histone modifications remain unclear. Here, we generated Hgenome-wide integrated maps of H3K27me3 modification and transcriptome for Col, C24 and their F1 hybrid. A total of 1,828 genomic regions showing variation in H3K27me3 modification between Col and C24 were identified, most of which were associated with genic regions. Natural variation of H3K27me3 modification between parents could result in allelic bias of H3K27me3 in hybrids. Furthermore, we found that H3K27me3 variation between Col and C24 was negatively correlated with gene expression differences between two accessions, especially with those arising from the cis-effect. Importantly,mutation of CLF, an Arabidopsis methyltransferase for H3K27,altered gene expression patterns between the parents.Together, these data provide insights into natural variation of histone modifications and their association with gene expression differences between Arabidopsis ecotypes.Mei Yang Xuncheng Wang Hao Huang Diqiu Ren Yan'e Su Pan Zhu Danmeng Zhu Liumin Fan Liangbi Chen Guangming He Xing Wang Deng 2016Journal of Integrative Plant Biology2016,58,5:2
8Limit Cycles in a Cubic Predator-prey Differential Systems显示文摘Xuncheng Huang Yuanming Wang 2005Math Meth in Appl Sci2005,,:1
9Competition in the Booreactor with general quadratic yields when one competitor produces a toxin显示文摘Xuncheng Huang Yuanming Wang Lemin Zhu 2006Journal of Mathematical Chemistry2006,39,2:1
10Natural variation in the transcription factor REPLUMLESS contributes to both disease resistance and plant growth in Arabidopsis显示文摘When attacked by pathogens,plants need to reallocate energy from growth to defense to fend off the invaders,frequently incurring growth penalties.This phenomenon is known as the growth–defense tradeoff and is orchestrated by a hardwired transcriptional network.Altering key factors involved in this network has the potential to increase disease resistance without growth or yield loss,but the mechanisms underlying such changes require further investigation.By conducting a genome-wide association study(GWAS)of leaves infected by the hemi-biotrophic bacterial pathogen Pseudomonas syringae pv.tomato(Pst)DC3000,we discovered that the Arabidopsis transcription factor REPLUMLESS(RPL)is necessary for bacterial resistance.More importantly,RPL functions in promoting both disease resistance and growth.Transcriptome analysis revealed a cluster of genes in the GRETCHEN HAGEN 3(GH3)family that were significantly upregulated in rpl mutants,leading to the accumulation of indole-3-acetic acid-aspartic acid(IAA-Asp).Consistent with this observation,transcripts of virulence effector genes were activated by IAA-Asp accumulated in the rpl mutants.We found that RPL protein could directly bind to GH3 promoters and repress their expression.RPL also repressed flavonol synthesis by directly repressing CHI expression and thus activated the auxin transport pathway,which promotes plant growth.Therefore,RPL plays an important role in plant immunity and functions in the auxin pathway to optimize Arabidopsis growth and defense.Miqi Xu Xuncheng Wang Jing Liu Aolin Jia Chao Xu Xing Wang Deng Guangming He 2022Plant Communications2022,3,5:0
11Stitching Perovskite Grains with Perhydropoly(Silazane)Anti-Template-Agent for High-Efficiency and Stable Solar Cells Fabricated in Ambient Air显示文摘All inorganic CsPbI_(3)perovskite solar cells(PSCs)have emerged as disruptive photovoltaic technology owing to their admirable photoelectric properties and the non-volatile active layer.However,the phase instability against moisture severely limits the fabrication environment for the high-efficiency devices,breaking through the confinement region to achieve scalable manufacturing has been the primary issue for future commercialization.Here,we develop a curing-anti-solvent strategy for fabricating high-quality and stable black-phase CsPbI_(3)perovskite films in ambient air by introducing an inorganic polymer perhydropolysilazane(PHPS)into methyl acetate to form anti-template agent.The cross-linked PHPS reduces moisture erosions while the hydrolyzate silanol network(–Si(OH)_(4)^(–))controls the perovskite crystal growth by forming Lewis adducts with PbI_(2)during the fabrication.The polycondensation adduct of Si–O–Si/Si–O–Pb strongly binds to CsPbI_(3)grains as a shield layer to hamper phase transition.Using the inorganic CsPbI_(3)perovskite thin-film with PHPS-modified anti-solvent processing as the light absorber,the n–i–p planar solar cell achieved an efficiency of 19.17%under standard illumination test conditions.More importantly,the devices showed excellent moisture stability,retaining about 90%of the initial efficiency after 1000 h under 30%RH.Ting Wang Qu Yang Yanli Chen Qiong Peng Xiaosi Qi Hui Shen Xuncheng Liu Shaohui Li Haixuan Yu Yan Shen Mingkui Wang Xiu Gong 2023Energy & Environmental Materials2023,6,3:0
12REAL-t1, an Effective Approach for t1-Noise Suppression in NMR Spectroscopy Based on Resampling Algorithm显示文摘Summaryof main observation and conclusionIn multidimensional(nD)NMR spectroscopy,t1noise usually appears as ridges along indirect dimen-sions,and affects observation of weak signals.The main source of t1noise is instrumental instability,which causes random variation of FID amplitude during data acquisitions and introduces random noise-like peaks into spectrum after Fourier transformation.A number of efforts have been devoted,in order to develop new method or to improve existing approaches for suppressing t1noise.Herein,we propose a novel t1noise suppression method based on resampling algorithm for data processing,shortenedas REAL-t1.The method was verified using simulated 2D spectra,and NOESY spectra of sucrose and protein GB1,showing that the spectral quality was improved in all cases.The performance of REAL-t1was also compared with another recently pro-posed method,which showed that these two methods provided similar performance while REAL-t1cost much shorter experimental time.Linhong Song Jiannan Wang Xuncheng Su Xu Zhang Conggang Li Xin Zhou Daiwen Yang Bin Jiang Maili Liu 2020Chinese Journal of Chemistry2020,38,1:0
13COP1 SUPPRESSOR 6 represses the PIF4 and PIF5 action to promote light-inhibited hypocotyl growth显示文摘Light signaling precisely controls photomorphogenic development in plants.PHYTOCHROME INTERACTING FACTOR 4 and 5(PIF4 and PIF5)play critical roles in the regulation of this developmental process.In this study,we report CONSTITUTIVELY PHOTOMORPHOGENIC 1 SUPPRESSOR 6(CSU6)functions as a key regulator of light signaling.Loss of CSU6 function largely rescues the cop1-6 constitutively photomorphogenic phenotype.CSU6 promotes hypocotyl growth in the dark,but inhibits hypocotyl elongation in the light.CSU6 not only associates with the promoter regions of PIF4 and PIF5 to inhibit their expression in the morning,but also directly interacts with both PIF4 and PIF5 to repress their transcriptional activation activity.CSU6 negatively controls a group of PIF4-and PIF5-regulated gene expressions.Mutations in PIF4 and/or PIF5 are epistatic to the loss of CSU6,suggesting that CSU6 acts upstream of PIF4 and PIF5.Taken together,CSU6 promotes light-inhibited hypocotyl elongation by negatively regulating PIF4 and PIF5 transcription and biochemical activity.Hongxia Lan Yueqin Heng Jian Li Mengdi Zhang Yeting Bian Li Chu Yan Jiang Xuncheng Wang Dongqing Xu Xing Wang Deng 2022Journal of Integrative Plant Biology2022,64,11:0
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