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柑桔类病毒分类及其相互关系

浙江柑桔 1990年第3期7卷 52-54页

作者： n.duran-Vila C.n.Roistacher 萧顺元

历来认为,柑桔裂皮类病毒(CEV)导致枳和兰卜来檬砧木树干裂皮,树体矮化。但是,表现矮化的程度不一样,裂皮形成以及症状表现的时期亦有不同。因此,普遍认为裂皮类病毒内存在不同的毒系。近年来的研究表明,从田间病株上分离到的RnA类病毒... 详细信息

历来认为,柑桔裂皮类病毒(CEV)导致枳和兰卜来檬砧木树干裂皮,树体矮化。但是,表现矮化的程度不一样,裂皮形成以及症状表现的时期亦有不同。因此,普遍认为裂皮类病毒内存在不同的毒系。近年来的研究表明,从田间病株上分离到的RnA类病毒有5种之多。本试验采用先进的类病毒分离、检测、鉴定方法(包括PAGE聚丙烯酰胺凝胶电泳、CF—11纤维素柱层析、分子杂交以及指示植物鉴定),研究了从西班牙以及从美国加州得到的37种柑桔类病毒分离物。

关键词：柑桔裂皮类病毒柑桔类田间病株树体矮化来檬病毒分离病毒分类分子杂交柑桔裂皮病分离物

Chloroplast immunity: A cornerstone of plant defense

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Molecular Plant 2024年第5期17卷 686-688页

作者： Jie Liu Pan Gong Ruobin Lu Rosa Lozano-duran Xueping Zhou Fangfang Li State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100081China State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityTubingen 72076Germany

Increasing evidence supports the notion that pattern-recognition-receptor-mediated immunity goes beyond plasma membrane-to-nucleus *** the findings of the pathways linking plasma membrane and chloroplasts and the functions of stromules and perinuclear chloroplast clustering(PCC)in plant defense,chloroplast immunity has emerged as a cornerstone of plant defense and a target of plant pathogens.

关键词： plant immunity corners

Liaison between natural killer cells and dendritic cells in human gestation

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Cellular & Molecular Immunology 2014年第5期11卷 449-455页

作者： Ester Leno-duran Instituto de Biopatologfa y Medicina Regenerativa Centro de Investigaci6n Biomedica Universidad de Granada Armilla Granada Spain Instituto deParasitologfa y Biomedicina 'Lopez neyra' Centro superior de investigaciones cientfficas Armilla Granada spain Hospital Universitario San Cecilio Granada Spain Medicine University of Berlin Charit6 Centre 12 Internal Medicine and Dermatology Berlin Germany These authors contributed equally to this work.

A successful pregnancy relies on immunological adaptations that allow the fetus to grow and develop in the uterus, despite being recognized by maternal immune cells. Among several immunocompetent cell types present within the human maternal/fetal interface, DC-SIGn~ dendritic cells （DCs） and CD56＋ natural killer （nK） cells are of major importance for early pregnancy maintenance, not only generating maternal immunological tolerance but also regulating stromal cell differentiation. Previous reports show the presence of nK-DC cell conjugates in first trimester human decidua, suggesting that these cells may play a role in the modulation of the local immune response within the uterus. While effective immunity is necessary to protect the mother from harmful pathogens, some form of tolerance must be activated to avoid an immune response against fetal antigens. This review article discusses current evidence concerning the functions of DC and nK cells in pregnancy and their liaison in human decidua.

关键词： cross-talk dendritic cells natural killer cells pregnancy

Plant biotic interactions: From fundamental research toward sustainable agriculture

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Journal of Integrative Plant Biology 2021年第2期63卷 275-276页

作者： Rosa Lozano-duran Suomeng Dong Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant Sciencesthe Chinese Academy of SciencesShanghai 201602China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityD-72076 TubingenGermany The Key Laboratory of Plant Immunity and Department of Plant Pathology Nanjing Agricultural UniversityNanjing 210095China

Plants not only provide food and natural materials for humankind, but also constitute an indispensable part of the ecological system of this planet:without plants, life as we know it would simply not be possible. Through their lifespans,plants interact with a plethora of other organisms, including beneficial microbes and potential pathogens. Dissecting the underlying mechanisms determining the outcome of plant biotic interactions is a cornerstone for the design of rational management strategies to secure global food production and ecological balance.

关键词： corners planet rational

Synthesis and properties of water-soluble 1,9-dialkyl-substituted BF2 azadipyrromethene fluorophores

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Frontiers of Chemical Science and Engineering 2020年第1期14卷 97-104页

作者： Dan Wu Gonzalo duran-Sampedro Donal F.O’Shea Department of Chemistry Royal College of Surgeons in Ireland(RCSI)Dublin 2Ireland

Bis-alkylsulfonic acid and polyethylene glycol(PEG)-substituted BF2 azadipyrromethenes have been synthesized by an adaptable and versatile *** four synthetic stages were required to produce the penultimate fluorophore compounds,containing either two alcohol or two terminal alkyne *** final synthetic step introduced either sulfonic acid or polyethylene glycol groups to impart aqueous *** acid groups were introduced by reaction of the bis-alcohol-substituted fluorophore with sulfur trioxide,and a double Cu(I)-catalyzed cycloaddition reaction between the bis-alkyne fluorophore and methoxypolyethylene glycol azide yielded a neutral bis-pegylated *** fluorophores exhibited excellent near-infrared(nIR)photophysical properties in methanol and aqueous *** cell microscopy imaging revealed efficient uptake and intracellular labelling of cells for both *** simple synthesis,with potential for last-step structural modifications,makes the present nIR-active azadipyrromethene derivatives potentially useful as nIR fluorescence imaging probes for live cells.

关键词： nIR-fluorophores live cell imaging nIRAZA

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Guest Editorial

Digital Communications and networks 2022年第6期8卷 865-867页

作者： Honghao Gao Ramon J.duran Barroso Zhiyuan Tan School of Computer Engineering and Science Shanghai UniversityChina Universidad de Valladolid Spain School of Computing Edinburgh Napier UniversityUK

Special issue on Collaborative computing to information fusion for5GIoTsocialdata With the development of 5G IoT technology,a large amount of social data is generated every *** to handle these social data has become a critical *** Fusion with Collaborative Computing aims to help academia and industry understand data,information and ***,in this special issue,we selected the following highquality papers from open submissions.A summary is outlined below.

关键词： handle problem IoT

Distribution,Properties,Land Use and Management of Mollisols in South America

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Chinese Geographical Science 2011年第5期21卷 511-530页

作者： Artigas duran Hector Morris Guillermo Studdert LIU Xiaobing Key Laboratory of Mollisols Agroecology Northeast Institute of Geography and Agroecology Chinese Academy of Sciences Harbin 150081 China Faculty of Agronomy Garzon 780 12900 Montevideo Uruguay Institute of Soils INTA-CIRN CC 25 (1712) Castelar Buenos Aires Argentina Faculty of Agricultural Sciences National University of Mar Del Plata CC 276 (B7620WAP) Balcarce Buenos Aires Argentina

Mollisols are common in South America. They cover about 8.87 × 107ha, 1.3 × 107ha and 4.3 × 106ha in Argentina, Uruguay and Southern Brazil respectively, which is 11.5% of the world total. Most of South American Mollisols were developed on Pleistocene and Holocene sediments and lie within the limits of the temperate zone, though the extreme north is bordering subtropical and the extreme south is within a cold-temperate zone. All suborders of Mollisols occur in Argentina, the most extensive being Udolls followed by Ustolls, whereas only Udolls, Aquolls and Albolls occur in Uruguay. Vertisols in Uruguay have many properties similar to Mollisols, and the occurrence of Vertisols is strongly associated with Mollisols. The Pampean Mollisols are a significant component of the global breadbasket of modem times. The main Argentine crops are wheat, corn, sorghum, barmy, soybeans and sunflower, while Mollisols in Uruguay remain mostly dedicated to cattle and sheep grazing though crop production has been increasing very rapidly in the last decade. Throughout South America, research has shown that Mollisols are experiencing losses of soil organic matter and nutrients, and degradation of physical properties after long cropping periods, resulting in soil scientists calling for increased conservation practices to reduce future losses and a deterioration of soil quality, and thus a more sustainable agriculture in the region.

关键词： Mollisols classification sustainability soil fertility no tillage South America

Synthesis and Characterization of Green Potassium nanoparticles from Sideroxylon Capiri and Evaluation of Their Potential Antimicrobial

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Journal of Renewable Materials 2021年第10期9卷 1699-1706页

作者： Judith Constantino-Alcazar Miguel Abud-Archila Benjamín Valdez-Salas Federico Gutierrez-Miceli Carlos Ceceña-duran Blanca López-Valenzuela Daniel Gonzalez-Mendoza Tecnológico nacional de México Instituto Tecnológico de Tuxtla GutiérrezTuxtlaGutiérrezC.P.03940México Instituto de Ciencias Agrícolas de la Universidad Autónoma de Baja California(ICA-UABC) Ejido Nuevo LeónC.P.21705México Instituto de Ingeniería de la Universidad Autónoma de Baja California Mexicali21100México

In the present study,the green synthesis of potassium nanoparticles(K-nPs)was assessed using aqueous extract of Sideroxylon *** potassium nanoparticles were analyzed by UV-visible spectroscopic techniques,X-ray spectrometers of energy dispersive(SEM-EDS)and dynamic light *** results showed high values at 3.5 keV confirming the formation of potassium nanoparticles and the SEM analysis showed an agglomerated particles size between 360 to 200 nm with a spherical *** K-nPs showed an effective antibacterial activity against the test organisms mainly with Bacillus cereus,Enterobacter aerogenes,Fusarium solani and Botrytis *** further studies about nanotoxicity of K-nPs are needed to confirm their potential in the control of the pathogen microorganisms under field conditions.

关键词： Antimicrobial effect green synthesis Sideroxylon capiri biocontrol

A cellular automata model for simulating grain structures with straight and hyperbolic interfaces

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International Journal of Minerals,Metallurgy and Materials 2012年第8期19卷 699-710页

作者： A.Ramírez-López M.Palomar-Pardavé D.Muñoz-negrón C.duran-Valencia S.López-Ramirez G.Soto-Cortés Materials and Energy Department Metropolitan Autonomous UniversityMexico Department of Industrial Engineering Technological Autonomous Institute of MexicoMexico Department of Molecular Engineering Mexican Institute of PetroleumMexico

A description of a mathematical algorithm for simulating grain structures with straight and hyperbolic interfaces is shown. The presence of straight and hyperbolic interfaces in many grain structures of metallic materials is due to different solidification conditions, in- eluding different solidification speeds, growth directions, and delaying on the nucleation times of each nucleated node. Grain growth is a complex problem to be simulated; therefore, computational methods based on the chaos theory have been developed for this purpose. Straight and hyperbolic interfaces are between columnar and equiaxed grain structures or in transition zones. The algorithm developed in this work involves random distributions of temperature to assign preferential probabilities to each node of the simulated sample for nucleation according to previously defined boundary conditions. Moreover, more than one single nucleation process can be established in order to gen- erate hyperbolic interfaces between the grains. The appearance of new nucleated nodes is declared in sequences with a particular number of nucleated nodes and a number of steps for execution. This input information influences directly on the final grain structure （grain size and dislribution）. Preferential growth directions are also established to obtain equiaxed and columnar grains. The simulation is done using rou- tines for nucleation and growth nested inside the main function. Here, random numbers are generated to place the coordinates of each new nucleated node at each nucleation sequence according to a solidification probability. nucleation and growth routines are executed as a func- tion of nodal availability in order to know if a node will be part of a grain. Finally, this information is saved in a two-dimensional computa- tional array and displayed on the computer screen placing color pixels on the corresponding position forming an image as is done in cellular automaton.

关键词： grain growth interfaces grain size and shape computational methods algorithms cellular automata computer simulation