维普中文期刊产品整合服务
67篇 您的检索式:作者名="DU Jianping"
    题名 作者 年代 出处 被引量
1The Tartary Buckwheat Genome Provides Insights into Rutin Biosynthesis and Abiotic Stress Tolerance显示文摘Zhang, Lijun Li, Xiuxiu Ma, Bin Gao, Qiang Du, Huilong Han, Yuanhuai Li, Yan Cao, Yinghao Qi, Ming Zhu, Yaxin Lu, Hongwei Ma, Mingchuan Liu, Longlong Zhou, Jianping Nan, Chenghu Qin, Yongjun Wang, Jun Cui, Lin Liu, Huimin Liang, Chengzhi Qiao, Zhijun 2017Molecular Plant2017,10,9:53
2Direct-impact of sieving coal and gangue显示文摘Gangue from underground separation of coal can directly be used for filling mined out areas, saving transport capacity and reducing the amount of waste polluting the environment above the ground. We introduced a structure and operating principle of an underground direct-impact sieving device by which a separation experiment was carried out. By means of high speed conveyer belts, coal and gangue impacted the breaking board at high speeds ranging from 6 to 14 m/s. Given the differences of hardness between coal and gangue, after selective crushing, the gangue with the higher hardness was crushed less and coal with lower hardness crushed more, which could be separated by a 50 mm sieving plate. The material above the sieving plate was disposed of as gangue and the material below as coal. The results indicate that the crush ratio below the 50 mm sieving plate increases linearly with an increase in impact velocity and decays exponentially with an increase in hardness. Employing this equipment to separate coal and gangue, the hardness of coal f should be <2. This separation device provides relatively good effect in separating coal and gangue with a relatively wide difference of hardness.LI Jianping DU Changlong BAO Jianwei 2010Mining Science and Technology2010,20,4:19
3Effect of soothing liver therapy on oocyte quality and growth differentiation factor-9 in patients undergoing in vitro fertilization and embryo transfer显示文摘OBJECTIVE:To investigate the effect of Soothing liver therapy on infertile women undergoing in vitro fertilization and embryo transfer(IVF-ET)and to explore its mechanism.METHODS:Fifty-eight women with tubal infertility were randomized into two groups:30 in an experimental group treated with Xiaoyao powder(Shugan)plus gonadotropin-releasing hormone analog(GnRHa)/follicle-stimulating hormone(FSH)/human chorionic gonadotropin(hCG)and 28 in the control group who were treated with GnRHa/FSH/hCG only.The total gonadotropin(Gn)doses required,endometrial thickness,oocyte numbers,high quality embryo production rate and pregnancy rate of the two groups were compared.The concentration of growth differentiation factor-9(GDF-9)in follicular fluid was detected by western blotting and the expression of GDF-9 mRNA in granulosa cells was measured using reverse tran-scription-polymerase chain reaction amplification.RESULTS:In the experimental group,the Gn dose was significantly lower than that in the control group;the endometrial thickness,high quality embryo production and pregnancy rates were significantly higher and the expression of GDF-9 mRNA was also significantly higher than in the control group(all P<0.05).CONCLUSION:Shugan treatment can improve the pregnancy rate of women with tubal infertility;its mechanism is possibly related to the increased expression of GDF-9 in granulosa cells.Xing Gao Xiufeng Chang Huilan Du Min Zhang Jianping Zhang Aiping Zhu 2013Journal of Traditional Chinese Medicine2013,33,5:11
4Rescued virus from infectious cDNA clone of rabbit hemorrhagic disease virus is adapted to RK13 cells line显示文摘Based on the infectious full-length cDNA clone of rabbit hemorrhagic disease virus (RHDV), the in vitro transcripts are introduced into RK13 cells. 12 h later, CPE could be observed clearly, and virual antigen could also be detected by IFA. The titre of the recovered virus is 104.6/mL. Immune electron micro-scopic observation of the virus particles revealed that the particles were rotund with a diameter of about 30 nm. Besides, virus titre quantification obtained by qRT-PCR showed a correlation between time from infection and virus titre. All these results showed that we have recovered RHDV from RK13 cells by re-verse genetics technology successfully, and this would be very useful in studies of the antigenicity, virulence, pathogenesis, maturation and new type vaccines of RHDV.LIU Guangqing NI Zheng YUN Tao ZHANG Yuying DU Qingyun SHENG Zutian LIANG Huali HUA Jionggang LI Shuangmao Chen Jianping 2006Chinese Science Bulletin2006,51,14:9
5Bph30confers resistance to brown planthopperby fortifying sclerenchyma in rice leaf sheaths显示文摘Phloem-feeding insects cause massive losses in agriculture and horticulture.Host plant resistance to phloem-feeding insects is often mediated by changes in phloem composition,which deter insect settling and feeding and decrease viability.Here,we report that rice plant resistance to the phloem-feeding brown planthopper(BPH)is associated with fortification of the sclerenchyma tissue,which is located just beneath the epidermis and a cell layer or two away from the vascular bundle in the rice leaf sheath.We found that BPHs prefer to feed on the smooth and soft region on the surface of rice leaf sheaths called the long-cell block.We identified Bph30 as a rice BPH resistance gene that prevents BPH stylets from reaching the phloem due to the fortified sclerenchyma.Bph30 is strongly expressed in sclerenchyma cells and enhances cellulose and hemicellulose synthesis,making the cell walls stiffer and sclerenchyma thicker.The structurally fortified sclerenchyma is a formidable barrier preventing BPH stylets from penetrating the leaf sheath tissues and arriving at the phloem to feed.Bph30 belongs to a novel gene family,encoding a protein with two leucine-rich domains.Another member of the family,Bph40,also conferred resistance to BPH.Collectively,the fortified sclerenchyma-mediated resistance mechanism revealed in this study expands our understanding of plant-insect interactions and opens a new path for controlling planthoppers in rice.Shaojie Shi Huiying Wang Lingyun Nie Di Tan Cong Zhou Qian Zhang YiLi Bo Du Jianping Guo Jin Huang DiWu Xiaohong Zheng Wei Guan Junhan Shan Lili Zhu Rongzhi Chen Longjian Xue Linda L.Walling Guangcun He 2021Molecular Plant2021,14,10:7
6A rapid and accurate direct measurement method of underground coal seam gas content based on dynamic diffusion theory显示文摘Coal seam gas content is frequently measured in quantity during underground coal mining operation and coalbed methane(CBM)exploration as a significant basic parameter.Due to the calculation error of lost gas and residual gas in the direct method,the efficiency and accuracy of the current methods are not inadequate to the large area multi-point measurement of coal seam gas content.This paper firstly deduces a simplified theoretical dynamic model for calculating lost gas based on gas dynamic diffusion theory.Secondly,the effects of various factors on gas dynamic diffusion from coal particle are experimentally studied.And sampling procedure of representative coal particle is improved.Thirdly,a new estimation method of residual gas content based on excess adsorption and competitive adsorption theory is proposed.The results showed that the maximum error of calculating the losing gas content by using the new simplified model is only 4%.Considering the influence of particle size on gas diffusion law,the particle size of the collected coal sample is below 0.25 mm,which improves the measurement speed and reflects the safety representativeness of the sample.The determination time of gas content reduced from 36 to 3 h/piece.Moreover,the absolute error is 0.15–0.50 m^3/t,and the relative error is within 5%.A new engineering method for determining the coal seam gas content is developed according to the above research.Yanwei Liu Yang Du Zhiqiang Li Fajun Zhao Weiqin Zuo Jianping Wei Hani Mitri 2020International Journal of Mining Science and Technology2020,30,6:6
7Numerical study of coarse coal particle breakage in pneumatic conveying显示文摘Jiawei Zhou Yu Liu Changlong Du Songyong Liu Jianping Li 2018Particuology2018,16,3:6
8Carbon dioxide exchange processes over the grassland ecosystems in semiarid areas of China显示文摘Based on the carbon fluxes measured over the grassland ecosystems in Inner Mongolia(UG79 site),Loess Plateau(SACOL site),and Tongyu,Jilin Province(TY site) in the semiarid areas from 2007 to 2008 with the eddy covariance method,we have investigated the carbon exchange processes over semiarid grassland ecosystem and its main affecting environmental variables.The precipitations at UG79 and TY sites in 2007 were below the historical average,especially for TY site,which was 50% below the historical average annual precipitation.The precipitation in SACOL site was close to average in 2007 but below average in 2008.The variation of monthly diurnal average NEE showed that the diurnal mean NEE decreased in the order of TY site,UG79 site,and SACOL site.However,a longer net carbon uptake period was observed at SACOL site.The diurnal course of NEE at UG79 site was similar between 2007 and 2008.The diurnal average NEE remained large during July and August in growing season(May to September) at UG79 site,with maximum values approaching 0.08 mg C m-2 s-1 in August of 2008.The diurnal average NEE of 2007 was larger than 2008 at SACOL site,with maximum values of 0.07 mg C m-2 s-1 in September of 2007.A shorter carbon uptake period was recorded in 2007 at TY site,lasting from July to August.A larger diurnal average NEE occurred in 2008 at TY site,with maximum values of 0.12 mg C m-2 s-1.The ecosystem respirations of three sites were controlled by both soil temperature and soil volumetric water content(at a depth of 5 cm below the land surface).Both UG79 site and SACOL site acted as a carbon sink during the growing periods of 2007 and 2008.Annual NEE in the growing seasons of 2007 and 2008 ranged from-68 to-50 g C m-2 at UG79 site and from-109 to-55 g C m-2 at SACOL site.Alternation between carbon source and carbon sink was found at TY site,with respective values of annual NEE in the growing seasons of 0.32 g C m-2 and-73 g C m-2 in 2007 and 2008.The magnitude and duration of carbon uptake depended mainly on the amount and timing of precipitation and the timing of the first effective rainfall during the growing season in semiarid grassland ecosystems.DU Qun LIU HuiZhi WANG Lei HUANG JianPing ZHANG Wu Christian BERNHOFER 2012Science China Earth Sciences2012,55,4:6
9Experimental and theoretical investigation on mechanisms performance of the rock-coal-bolt(RCB)composite system显示文摘For coal mines,rock,coal,and rock bolt are the critical constituent materials for surrounding rock in the underground engineering.The stability of the“rock-coal-bolt”(RCB)composite system is affected by the structure and fracture of the coal-rock mass.More rock bolts installed on the rock,more complex condition of the engineering stress environment will be(tensile-shear composite stress is principal).In this paper,experimental analysis and theoretical verification were performed on the RCB composite system with different angles.The results revealed that the failure of the rock-coal(RC)composite specimen was caused by tensile and shear cracks.After anchoring,the reinforcement body formed inside the composite system limits the area where the crack could occur in the specimen.Specifically,shearing damage occurred only around the bolt,and the stress-strain curve presented a better post-peak mechanical property.The mechanical mechanism of the bolt under the combined action of tension and shear stress was analyzed.Additionally,a rock-coal-bolt tensile-shear mechanical(RCBTSM)model was established.The relationship(similar to the exponential function)between the bolt tensile-shear stress and the angle was obtained.Moreover,the influences of the dilatancy angle and bolt diameter of the RCB composite system were also considered and analyzed.Most of the bolts are subjected to the tensile-shearing action in the post-peak stage.The implications of these results for engineering practice indicated that the bolts of the RCB composite system should be prevented from entering the limit shearing state early.Genshui Wu Weijian Yu Jianping Zuo Shaohua Du 2020International Journal of Mining Science and Technology2020,30,6:5
10Structural basis of immunosuppression by the therapeutic antibody daclizumab显示文摘发信号的 Interleukin-2 (IL )-2 在小径被显示出为在有机关移植的病人的免疫力的抑制有效减轻 / 消除 allograft 拒绝的堵住这的有免疫力的回答,和药的激活起一个枢轴的作用。首先人性化的 monoclonal 抗体(mAb ) daclizumab 掉进这个范畴并且对 IL-2 受体建筑群的一个关键部件显示出高特性和亲密关系,也就是 IL-2R 伪。揭示由 daclizumab 表明小径的 IL-2 的抑制的分子的机制,我们在 2.6 和 2.8 点与 IL-2R 伪 ectodomain 在免费形式并且在建筑群决定了 daclizumab Fab 的水晶结构?分辨率分别地。daclizumab Fab 当面采用类似的符合构造或 IL-2R 伪 ectodomain 的缺席。daclizumab 的抗原绑定地点主要由决定形成大断然控告的表面消沉和通常是恐水病的二个 flanking 补丁的区域(CDR ) 的五补充组成。 conformational epitope 由 IL-2R 伪 ectodomain 的几个不连续的片断组成,哪个与与 IL-2 交往的区域重叠的大部分,建议到 IL-2R 伪 的 daclizumab 的绑定将阻止 IL-2 绑定到 IL-2R 伪 和 IL-2/IL-2R 伪尾纬c 建筑群的随后的形成,因此堵住表明小径的 IL-2 。这些结果也为指向 IL-2R 伪的改进 mAb 药的设计和发展有含意。Hui Yang Jianchuan Wang Jiamu Du Chen Zhong Dapeng Zhang Huaizu Guo Yajun Guo Jianping Ding 2010Cell Research2010,20,12:5
11Regulating surface state of WO3 nanosheets by gamma irradiation for suppressing hydrogen evolution reaction in electrochemical N2 fixation显示文摘Realizing the reduction of N2 to NH3 at low temperature and pressure is always the unremitting pursuit of scientists and then electrochemical nitrogen reduction reaction offers an intriguing alternative.Here,we develop a feasible way,gamma irradiation,for constructing defective structure on the surface of WO3 nanosheets,which is clearly observed at the atomic scale by high-angle annular dark-field scanning transmission electron microscopy(HAADF-STEM).The abundant oxygen vacancies ensure WO3 nanosheets with a Faradaic efficiency of 23%at−0.3 V vs.RHE.Moreover,we start from the regulation of the surface state to suppress proton availability towards hydrogen evolution reaction(HER)on the active site and thus boost the selectivity of nitrogen reduction.Yanqiu Du Cheng Jiang Li Song Bin Gao Hao Gong Wei Xia Lei Sheng Tao Wang Jianping He 2020Nano Research2020,13,10:4
12Significant effect of as-cast microstructure on texture evolution and magnetic properties of strip cast non-oriented silicon steel显示文摘In this study, two types of as-cast microstructure produced by strip casting were cold rolled and annealed to investigate the effect of initial microstructure on the textural evolution and magnetic properties of non-oriented silicon steel. The results indicated that the cold-rolled sheets of coarse-grained strip with pronounced {100} components exhibited stronger 入 fiber(<100>//ND) and weaker γ fiber(<111>//ND)texture as composed to the fine-grained strip with strong Goss({110}(001)) texture. After annealing, the former was dominated by η fiber(<001>//RD) texture with a peak at {110}<001)orientation, while the latter consisted of strong {111}(112) and relatively weak {110}(001) texture. In addition, a number of precipitates of size ~30-150 nm restricted the grain growth during annealing, resulting in recrystallization of grain size of ~46 μm in the coarse-grained specimen and ~41μm in the fine-grained specimen.Ultimately, higher magnetic induction(~1.72 T) and lower core loss(~4.04 W/kg) were obtained in the final annealed sheets of coarse-grained strip with strong {100} texture.Haitao Jiao Yunbo Xu Wenzheng Qiu Haijie xu R.D.K.Misra Yifeng Du Jianping Li Guodong Wang 2018Journal of Materials Science & Technology2018,34,12:4
13Staged angioplasty versus regular carotid artery stenting in patients with carotid artery stenosis at high risk of hyperperfusion:a randomised clinical trial显示文摘Background and purpose Hyperperfusion(HP)is a devastating complication associated with carotid artery stenting(CAS)or endarterectomy.The efficacy and safety of staged angioplasty(SAP)in patients with CAS at high risk of HP remains unclear.We sought to determine whether SAP is superior to regular CAS in patients with high risk of HP.Methods A randomised,multicentre open-label clinical trial with blinded outcome assessment(STEP)was conducted.Patients with severe carotid stenosis at high risk of HP were randomly assigned(1:1)to the SAP or regular CAS group.The primary endpoint was hyperperfusion syndrome(HPS)and intracerebral haemorrhage(ICH)within 30 days after the procedure.Results From November 2014 to January 2017,a total of 64 patients were enrolled in 11 centres.33 patients were allocated to the SAP group and 31 to the regular CAS group.At 30 days,the rate of primary endpoint was 0.0%(0/33)in the SAP group and 9.7%(3/31)in the regular CAS group(absolute risk reduction(ARR),9.7%;95%CI−20.1% to 0.7%;p=0.11).As one of the secondary endpoints,the incidence of HP phenomenon(HPP)was lower in the SAP group than the regular CAS group(0.0%vs 22.6%,ARR,−22.6%;95% CI−36.8%to−10.2%;p=0.04).Conclusion The rate of HPS and ICH was not significantly lower in SAP group;the extended secondary endpoint of HPP,however,significantly reduced,which suggested that SAP may be a safe and effective carotid revascularisation procedure to prevent HP.Dapeng Mo Baixue Jia Huaizhang Shi Yaxuan Sun Qingan Liu Chengzhe Fan Jianping Deng Jinglin Yuan Wei Wu Changchun Jiang Guilian Zhang Hanjun Du Ning Ma Feng Gao Xuan Sun Ligang Song Lian Liu Guangge Peng Yongjun Wang Yilong Wang Zhongrong Miao the STEP Study Group 2021Stroke & Vascular Neurology2021,6,1:3
14Urban air quality, meteorology and traffic linkages: Evidence from a sixteen-day particulate matter pollution event in December 2015, Beijing显示文摘A heavy 16-day pollution episode occurred in Beijing from December 19, 2015 to January 3,2016. The mean daily AQI and PM_(2.5) were 240.44 and 203.6 μg/m^3. We analyzed the spatiotemporal characteristics of air pollutants, meteorology and road space speed during this period, then extended to reveal the combined effects of traffic restrictions and meteorology on urban air quality with observational data and a multivariate mutual information model. Results of spatiotemporal analysis showed that five pollution stages were identified with remarkable variation patterns based on evolution of PM_(2.5) concentration and weather conditions. Southern sites(DX, YDM and DS) experienced heavier pollution than northern ones(DL, CP and WL). Stage P2 exhibited combined functions of meteorology and traffic restrictions which were delayed peak-clipping effects on PM_(2.5).Mutual information values of Air quality–Traffic–Meteorology(ATM–MI) revealed that additive functions of traffic restrictions, suitable relative humidity and temperature were more effective on the removal of fine particles and CO than NO_2.Dongmei Hu Jianping Wu Kun Tian Lyuchao Liao Ming Xu Yiman Du 2017Journal of Environmental Sciences2017,29,9:3
15First results on ^(76)Ge neutrinoless double beta decay from CDEX-1 experiment显示文摘We report the first results on ^(76)Ge neutrinoless double beta decay from stage one of the China dark-matter experiment(CDEX).A p-type point-contact high-purity germanium detector with a mass of 994 g has been installed to detect neutrinoless double beta decay events, as well as to directly detect dark matter particles. An exposure of 304 kg d has been analyzed over a wide spectral band from 500 keV to 3 MeV. The average event rate obtained was about 0.012 counts per keV per kg per day over the 2.039 MeV energy range. The half-life of ^(76)Ge neutrinoless double beta decay derived based on this result is T^(0ν)1/2>6.4×10^(22) yr(90% C.L.). An upper limit on the effective Majorana-neutrino mass of 5.0 eV has been achieved.Li Wang Qian Yue KeJun Kang JianPing Cheng YuanJing Li TszKing Henry Wong ShinTed Lin JianPing Chang JingHan Chen QingHao Chen YunHua Chen Zhi Deng Qiang Du Hui Gong Li He QingJu He JinWei Hu HanXiong Huang TengRui Huang LiPing Jia Hao Jiang HauBin Li Hong Li JianMin Li Jin Li Jun Li Xia Li XueQian Li YuLan Li FongKay Lin ShuKui Liu Hao Ma JingLu Ma XingYu Pan Jie Ren XiChao Ruan ManBin Shen Vivek Sharma Lakhwinder Singh Manoj Kumar Singh Manoj Kumar Singh Arun Kumar Soma ChangJian Tang WeiYou Tang ChaoHsiung Tseng JiMin Wang Qing Wang ShiYong Wu YuCheng Wu HaoYang Xing Yin Xu Tao Xue LiTao Yang SongWei Yang Nan Yi ChunXu Yu HaiJun Yu WeiHe Zeng XiongHui Zeng Zhi Zeng Lan Zhang YunHua Zhang MingGang Zhao Wei Zhao JiFang Zhou ZuYing Zhou JingJun Zhu WeiBin Zhu ZhongHua Zhu 2017Science China(Physics,Mechanics & Astronomy)2017,60,7:3
16Study of risk acceptance criteria for dams显示文摘This paper discusses the methods of establishing risk criteria for dams and reviews the application of dam risk criteria for individuals and societies in different countries or districts.Given the conditions in China and considering the public safety and acceptance of dam risk,historical dam break data and current design standards,individual and societal risk criteria for dams are proposed.The tolerable dam risk criteria for individuals should be set to 10-5–10-7 per annum based on project scale,for example,approximately 1.0×10-7 per annum,which corresponds to a reliability index of 4.2 based on a 100-year lifespan for a first-class or large project.The societal limit for risk tolerance for dams should be set to approximately 10-3–10-5 per annum,corresponding to the fatality range from 1 to 100 and be horizontally extended to 1000,and F-N curves are proposed.It was also found that the reliability indices of Chinese Standard(GB 50199-2013)and Eurocode1(2002)are different,but they have the same level of safety measured by the annual probability of failure.The research results have significance for establishing dam risk criteria.LI ShouYi ZHOU XingBo WANG YuJie ZHOU JianPing DU XiaoHu CHEN ZuYu 2015Science China(Technological Sciences)2015,58,7:3
17Coordination engineering of cobalt phthalocyanine by functionalized carbon nanotube for efficient and highly stable carbon dioxide reduction at high current density显示文摘Coordination engineering can enhance the activity and stability of the catalyst in heterogeneous catalysis.However,the axial coordination engineering between different groups on the carbon carrier and molecular catalysts in the electrocatalytic carbon dioxide reduction reaction(CO_(2)RR)has been studied rarely.Through coordination engineering strategy,a series of amino(NH_(2)),hydroxyl(OH),and carboxyl(COOH)groups functionalized carbon nanotubes(CNT)immobilized cobalt phthalocyanine(CoPc)catalysts are designed.Compared with no groups,OH groups and COOH groups,NH_(2)groups can effectively change the coordination environment of the central metal Co,thereby significantly increasing the turnover frequency(TOF)(31.4 s^(-1)at-0.6 V vs.RHE,CoPc/NH_(2)-CNT>CoPc/OH-CNT>CoPc/COOH-CN>CoPc/CNT).In the flow cell,the CoPc/NH_(2)-CNT catalyst has high carbon monoxide(CO)selectivity at high current density(~100%at-225 mA·cm^(-2),~96%at-351 mA·cm^(-2)).Importantly,the CoPc/NH_(2)-CNT catalyst can operate stably for 100 h at 225 mA·cm^(-2).Theoretical calculations reveal that CoPc/NH_(2)-CNT catalyst is beneficial to the formation of^(*)COOH and desorption of^(*)CO,thus promoting CO_(2)RR.This work provides an excellent platform for understanding the effect of coordination engineering on electrocatalytic performance and promotes a way to explore efficient and stable catalysts in other applications.Hongdong Li Yue Pan Zuochao Wang Yaodong Yu Juan Xiong Haoyang Du Jianping Lai Lei Wang Shouhua Feng 2022Nano Research2022,15,4:2
18Type I interferon: the mediator of bacterial infection-induced necroptosis显示文摘Qinglin Du Jianping Xie Ha-Jeong Kim Xiaojing Ma 2013Cellular & Molecular Immunology2013,10,1:2
19Types of Organic Fades and Source Rock Assessment of the Coal-Measure Mudstone in the Turpan-Hami Basin显示文摘This paper discusses the enviromental characteristics of carbonaceous mudstone and mudstone (coal-measure mudstone in short) of the Early and Middle Jurassic in the Turpan-Hami basin, which were formed in swamps. Through the organic facies study of the coal-measure mudstone in this area, the authors clarify that the flowing-water swamp is the most advanced organic facies belt. Furthermore, according to the practical materials of coal-measure mudstone in the area and with the evaluation criteria of lacustrine mudstone in the past, the authors have established the integrated symbol systems from the abundance of organic matter and the type of organic matter, which can be used in the source rock evaluation of the coal-measure mudstone.ZHAO Changyi, DU Meili, SHAO Longyi, CHEN Jianping,CHENG Kerning and HE ZhonghuaResearch Institute of Petroleum Exploration and Development,China National Petroleum Corporation, 20 Xueyuan Rd., Beijing 100083Beijing Graduate School of China University of Mining and Technology,11 Xueyuan Rd., Beijing 100083 1998Acta Geologica Sinica(English Edition)1998,72,2:2
20Balancing selection and wild gene pool contribute to resistance in global rice germplasm against planthopper显示文摘Interactions and co-evolution between plants and herbivorous insects are critically important in agriculture.Brown planthopper(BPH)is the most severe insect of rice,and the biotypes adapt to feed on different rice genotypes.Here,we present genomics analyses on 1,520 global rice germplasms for resistance to three BPH biotypes.Genome-wide association studies identified 3,502 single nucleotide polymorphisms(SNPs)and 59 loci associated with BPH resistance in rice.We cloned a previously unidentified gene Bph37 that confers resistance to BPH.The associated loci showed high nucleotide diversity.Genome-wide scans for trans-species polymorphisms revealed ancient balancing selection at the loci.The secondarily evolved insect biotypes II and III exhibited significantly higher virulence and overcame more rice varieties than the primary biotype I.In response,more SNPs and loci evolved in rice for resistance to biotypes II and III.Notably,three exceptional large regions with high SNP density and resistance-associated loci on chromosomes 4 and 6 appear distinct between the resistant and susceptible rice varieties.Surprisingly,these regions in resistant rice might have been retained from wild species Oryza nivara.Our findings expand the understanding of long-term interactions between rice and BPH and provide resistance genes and germplasm resources for breeding durable BPH-resistant rice varieties.Cong Zhou Qian Zhang Yu Chen Jin Huang Qin Guo Yi Li Wensheng Wang Yongfu Qiu Wei Guan Jing Zhang Jianping Guo Shaojie Shi Di Wu Xiaohong Zheng Lingyun Nie Jiaoyan Tan Chaomei Huang Yinhua Ma Fang Yang Xiqin Fu Bo Du Lili Zhu Rongzhi Chen Zhikang Li Longping Yuan Guangcun He 2021Journal of Integrative Plant Biology2021,63,10:2
返回顶部 每页显示:
共4页 首页 上一页 第1页 下一页 末页 /4 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费