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Response of winter cohort abundance of Japanese common squid todarodes pacificus to the ENSO events

Acta Oceanologica Sinica 2018年第6期37卷 61-71页

作者： yU Wei ZHANG yang CHEN Xinjun yI qian qian Weiguo College of Marine Sciences Shanghai Ocean University Shanghai 201306 China State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography State Oceanic Administration Hangzhou 310012 China National Engineering Research Center for Oceanic Fisheries Shanghai Ocean University Shanghai 201306 China Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources of Ministry of Education Shanghai Ocean University Shanghai 201306 China Collaborative Innovation Center for Distant-water Fisheries Shanghai 201306 China

the Japanese common squid todarodes pacificus is an economically important species with one year lifespan,which is significantly influenced by climatic and environmental variability. According to the fishery data of the winter cohort of t. pacificus from 2003 to 2012, as well as environmental data and the Oceanic Ni？o index（ONI,which was defined by the sea surface temperature（SSt） anomaly in the Ni？o 3.4 region）, variations in the SSt,chlorophyll a（Chl a） concentration, suitable spawning area（SSA） and sea surface height anomaly（SSHA） on the spawning ground of t. pacificus were examined under the El Ni？o and La Nina conditions. their influences on squid abundance（defined by catch per unit effort, CPUE） were further assessed. the results showed that seasonal changes were found in SSt, Chl a and SSA on the spawning ground of t. pacificus. Correlation analysis suggested that annual CPUE was significantly positively correlated with Chl a and SSA（p〈0.05）, but had insignificant relationship with SSt（p〉0.05）. Moreover, the El Ni？o and La Ni？a events tended to dominate the changes of SSA and Chl a concentration in the key area between 25°–29°N and 122.5°–130.5°E, driving the variability of squid abundance. However, this influence varied with the intensity of each anomalous climatic event： the weak El Ni？o event occurred, the spawning ground was occupied by waters with enlarged SSA but with extremely low Chl a concentration, leading to low squid recruitment, the CPUE then decreased; the moderate intensity of El Ni？o event resulted in shrunk SSA but with high Chl a concentration on the spawning ground, the squid recruitment and CPUE increased; the moderate intensity of La Ni？a events yielded elevated SSA and high Chl a concentration on the spawning ground, the squid recruitment and CPUE dramatically increased. Our findings suggested that the ENSO events played crucial effects on the incubating and feeding conditions of the winter cohort of t. pacificus during the spawning seas

关键词： todarodes pacificus squid abundance spawning ground El Nino La Nina

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Integrating structure and function:mapping the hierarchical spatial heterogeneity of urban landscapes

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Ecological Processes 2020年第1期9卷 698-708页

作者： yuguo qian Weiqi Zhou Steward t.A.Pickett Wenjuan yu Dingpeng Xiong Weimin Wang Chuanbao Jing State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China Cary Institute of Ecosystem Studies Box ABMillbrookNY 12545USA PowerChina Eco-environment Group Co. LtdShenzhen 518102China Shenzhen Environmental Monitoring Center Shenzhen 518049China

Background:Cities are social-ecological systems characterized by remarkably high spatial and temporal heterogeneity,which are closely related to myriad urban ***,the tools to map and quantify this heterogeneity are *** here developed a new three-level classification scheme,by considering ecosystem types(level 1),urban function zones(level 2),and land cover elements(level 3),to map and quantify the hierarchical spatial heterogeneity of urban ***:We applied the scheme using an object-based approach for classification using very high spatial resolution imagery and a vector layer of building location and *** used a top-down classification procedure by conducting the classification in the order of ecosystem types,function zones,and land cover *** classification of the lower level was based on the results of the higher *** used an objectbased methodology to carry out the three-level ***:We found that the urban ecosystem type accounted for 45.3%of the land within the Shenzhen city administrative *** the urban ecosystem type,residential and industrial zones were the main zones,accounting for 38.4%and 33.8%,*** canopy was the dominant element in Shenzhen city,accounting for 55.6%over all ecosystem types,which includes agricultural and ***,in the urban ecosystem type,the proportion of tree canopy was only 22.6%because most trees were distributed in the forest ecosystem *** proportion of trees was 23.2% in industrial zones,2.2%higher than that in residential *** information“hidden”in the usual statistical summaries scaled to the entire administrative unit of Shenzhen has great potential for improving urban ***:this paper has taken the theoretical understanding of urban spatial heterogeneity and used it to generate a classification scheme that exploits remotely sensed imagery,infrastructural data available at a municipal level,an

关键词： Social-ecological hybridity Object-based classification High-resolution imagery Ecosystem Urban function zones Land cover

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High Brightness temperatures in IDV Sources

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Chinese Journal of Astronomy and Astrophysics 2006年第5期6卷 530-542页

作者： Shan-Jie qian t.P. Krichbaum A. Witzel J. A. Zensus Xi-Zhen Zhang National Astronomical Observatories Chinese Academy of Sciences Beijing 100012 Max-Planck-Institut for Radio astronomie Auf dem Htige169 53121 Bonn Germany

High brightness temperatures are a characteristic feature of IntraDay Variability （IDV） of extragalactic radio sources. Recent studies of the polarization properties of some IDV sources （e.g., 1150＋812, PKS 0405-385 and 0716＋714） have shown that these sources harbor several compact IDV components with angular sizes of -10-30μas and very high polarizations （of up to -50%-70%）. these results indicate the possibility of the existence of uniform magnetic fields in the IDV components. We investigate the incoherent synchrotron and self- Compton radiation of an anisotropic distribution of relativistic electrons which spin around the magnetic field lines at small pitch angles. the brightness temperature limit caused by second-order Compton losses is discussed and compared to the brightness temperatures derived from energy equipartition arguments. It is found that anisotropic distributions of electrons moving in ordered magnetic fields can raise the equipartition and Compton brightness temperatures by a factor of up to -3-5. this would remove some of the difficulties in the interpretation of extremely high intrinsic brightness temperatures of 〉 1012 K （or apparent brightness temperatures of - 10^14 K with a Doppler factor of -30）.

关键词： radio continuum galaxies - Quasars individual PKS 0405-385

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Evolution of two properties for scale-free network

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Journal of Systems Engineering and Electronics 2006年第3期17卷 535-540页

作者： Li Shouwei qian Xingsan School of Management Univ. of Shanghai for Science and Technology Shanghai 200093 P. R. of China

Fitness of node can denote its competing power and clustering denotes the transitivity of network. Because the fitness of node is uncertain or fuzzy in some social networks, an explicit form of the degree distribution on fuzzy fitness is derived within a mean field approach. It is a weighted sum of different fuzzy fitness. It can be found that the fuzzy fitness of nodes may lead to multiscaling. Moreover, the clustering coefficient of node decays as power law and clustering coefficient of network behavior not-decrease-but-increase’ phenomenon after some time. Some computer simulation results of these models illustrate these analytical results.

关键词： fuzzy fitness clustering coefficient power law distribution scale-free.

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Zircon U-Pb Ages for ttG Gneiss and a Concomitant Felsic Vein from the South Hengshan Complex,trans-North China Orogen:New Evidence for Late Archean Metamorphism

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Acta Geologica Sinica(English Edition) 2021年第5期95卷 1777-1778页

作者： qian Jiahui LI Shun Guangdong Provincial Key Lab of Mineral Resources and Geological Processes School of Earth Sciences and EngineeringSun Yat-sen UniversityGuangzhou 510275China Southern Marine Science and Engineering Guangdong Laboratory ZhuhaiGuangdong 519080China School of Oceanography Shanghai Jiao Tong UniversityShanghai 200030China

Objective the trans-North China Orogen(tNCO)is widely considered as a Paleoproterozoic(1.95-1.85 Ga)continental collisional belt along which the Eastern and Western blocks amalgamated to form the North China *** recent years,several late Archean(~2.50 Ga)metamorphic ages were reported in this belt(yang et al.,2015;Xiao et al.,2019;Wang et al.,2020),arousing widespread discussion on late Archean *** the South Hengshan Complex(SHC)of the tNCO,an interesting outcrop has been discovered(Fig.1),which shows a clear truncation relationship between a strongly deformed tonal ite-trondhjemite-granodiorite(ttG)gneiss and a weakly deformed mafic dyke with'red-eye socket'texture(***).

关键词： belt Archean Eastern

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StUDy ON ECOLOGICAL SPACE OF URBAN AGGLOMERAtION-taking Wuxi City as an Example

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Chinese Geographical Science 2002年第4期12卷 321-328页

作者： XUEDong-qian ZHANGXiao-jun InstituteofGeographicalSciencesandNaturalResourcesResearch theChineseAcademyofScieneesBeijing100101P.R.China CollegeoftourismandEnvironment ShaanxiNormalUniversityXi＇an710062P.R.China

From the angle of ecology,urban agg lomeration presents relevant types of landscape structure,which in-clude Patch,Corridor and *** are different landscape feature s and different problems in differen t development *** paper has put forward fi ve basic conditions for security pattern of landscape ecology of urban agglomeration,described quantitatively the featu res for landscape ecology in Wuxi,an d analyzed ecological background of spatial expan-sion and spatial organization of urb an development in *** the angle of ecological land use and non-ecological land use,the paper has analyzed the featu res of land use and ecological distribution of land in the urban *** s patial mod-el of cities and towns in Wuxi is composed of one metropolis,two urban zones and three development *** th esis has planned preliminarily ecologic al protection network at four levels in the urban region according to four *** last,combining landscape ecology with ur ban space,a tentative security pattern of landscape ecology has been pla nned in Wux-i,namely Source-Buffer Zone and Metropolis,Radiating Routes and Expan sion Direction of City,Strategic Point and Interac-tion between Cities and towns,Inter-Source Linkage-Corridor of a Stabl e Landscape Structure.

关键词： urban agglomeration spatial structure landscape structure securitypattern of landscape ecology

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Retarded Embryo Development 1(RED1) regulates embryo development,seed maturation and plant growth in Arabidopsis

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Journal of Genetics and Genomics 2016年第7期43卷 439-449页

作者： qian Du Huanzhong Wang Department of Plant Science and Landscape Architecture University of Connecticut Institute for Systems Genomics University of Connecticut

Plant seeds accumulate large amounts of protein and carbohydrate as storage reserves during matura- tion. thus, understanding the genetic control of embryo and seed development may provide bioengi- neering tools for yield improvement. In this study, we report the identification of Retarded Embryo Development1 （RED1） gene in Arabidopsis, whose two independent t-DNA insertion mutant lines, SALK_085642 （red1-1 ） and SALK_022583 （red1-2）, show a retarded embryo development phenotype. the embryogenesis process ceases at the late heart stage in red1-1 and at the bent-cotyledon stage in red1-2, respectively, resulting in seed abortion in both lines. the retarded embryo development and seed abortion phenotypes reverted to normal when REDI complementation constructs were introduced into mutant plants. Small redl-2 homozygous plants can be successfully rescued by culturing immature seeds, indicating that seed abortion likely results from compromised tolerance to the desiccation process associated with seed maturation. Consistent with this observation, redl-2 seeds accumulate less protein, and the expression of two late embryo development reporter transgenes, LEA：：GUS and β-con- glycinin：：GUS, was significantly weak and started relatively late in the redl-2 mutant lines compared to the wild type. the REDI gene encodes a plant specific novel protein that is localized in the nucleus. these results indicate that RED1 plays important roles in embryo development, seed maturation and plant growth.

关键词： Embryo Development Seed maturation Growth Arabidopsis

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Expression regulation and function of NLRC5

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Protein & Cell 2013年第3期4卷 168-175页

作者： yikun yao youcun qian the Key Laboratory of Stem Cell Biology Institute of Health SciencesShanghai Institutes for Biological SciencesChinese Academy of Sciences/Shanghai Jiao Tong University School of MedicineShanghai 200025China

the NOD like receptors(NLRs),a class of intracellular receptors that respond to pathogen attack or cellular stress,have gained increasing ***5,the largest member of the NLR protein family,has recently been identified as a critical regulator of immune *** NLRC5 is constitutively and widely expressed,it can be dramatically induced by interferons during pathogen *** in vitro and in vivo studies have demonstrated that NLRC5 is a specifi c and master regulator of major mistocompatibility complex(MHC)class I genes as well as related genes involved in MHC class I antigen *** expression of MHC class I genes is regulated by NLRC5 in coordination with the RFX components through an enhanceosome-dependent *** the involvement of NLRC5 in MHC class I mediated CD8^(+)t cell activation,proliferation and cytotoxicity is proved to be critical for host defense against intracellular bacterial ***,the role of NLRC5 in innate immunity remains to be further ***,we review the research advances on the structure,expression regulation and function of NLRC5.

关键词： NLR NLRC5 MHC Class I

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Enhanced corrosion resistance,antibacterial activity and biocompatibility of gentamicin-montmorillonite coating on Mg alloy-in vitro and in vivo studies

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Journal of Materials Science & technology 2022年第16期111卷 167-180页

作者： Lijun Fan Wenxin Sun yuhong Zou qian-qian Xu Rong-Chang Zeng Jingrui tian Department of Bioengineering College of Chemical and Biological EngineeringShandong University of Science and TechnologyQingdao 266590China Light Alloy Corrosion Laboratory College of Materials Science and EngineeringShandong University of Science and TechnologyQingdao 266590China Hospital of Shandong University of Science and technology Qingdao 266590China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450002China

Implant-associate infection(IAI)is a major cause of failure of bone implant materials,and one of the significant challenges in clinical managements.A synergistic coating strategy combining montmorillonite(MMt)sustained release,adsorption of bacteria and gentamicin(GS)bactericidal is proposed herein to tackle infection *** morphology,microstructure and chemical composition of the samples were investigated using SEM,XRD,Ft-IR and *** experiments and immersion experiments reveal that corrosion resistance of Mg samples with GS/MMt coatings was higher than that of bare Mg alloy substrate in DMEM *** vitro studies demonstrated that the GS/MMt coating had a significant inhibitory effect on Escherichia coli(***)and Staphylococcus aureus(***).the viability of MC3t3-E1 cells was 92.7%after a co-culturing for 72 *** a subcutaneous transplantation of 90days,the survival rate was 100%for GS/MMt-coated Mg alloy specimens with no infection at the implantation sites and no toxic damage to liver,kidney and local muscles pathological *** study provides a novel method for the preparation of sustained-release antimicrobial coatings on biodegradable Mg alloys as promising candidates for orthopedic implant materials.

关键词： Magnesium alloy Montmorillonite Gentamicin Antibacterial activity Coating

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Regulation of alternative splicing of tau exon 10

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Neuroscience Bulletin 2014年第2期30卷 367-377页

作者： Wei qian Fei Liu Department of Biochemistry and Molecular Biology School of Medicine Nantong University Jiangsu Key Laboratory of Neuroregeneration School of Medicine Nantong University Department of Neurochemistry Inge Grundke-Iqbal Research FloorNew York State Institute for Basic Research in Developmental Disabilities

the neuronal microtubule-associated protein tau is abnormally hyperphosphorylated and aggregated into neurofibrillary tangles in the brains of individuals with Alzheimer＇s disease and related neurodegenerative disorders. the adult human brain expresses six isoforms of tau generated by alternative splicing of exons 2, 3, and 10 of its pre-mRNA. Exon 10 encodes the second microtubule-binding repeat of tau. Its alternative splicing produces tau isoforms with either three or four microtubule-binding repeats, termed 3R-tau and 4R- tau. In the normal adult human brain, the level of 3R-tau is approximately equal to that of 4R-tau. Several silent and intronic mutations of the tau gene associated with FtDP-17t （frontotemporal dementia with Parkinsonism linked to chromosome 17 and specifically characterized by tau pathology） only disrupt exon 10 splicing, but do not influence the primary sequence of the tau protein. thus, abnormal exon 10 splicing is sufficient to cause neurodegeneration and dementia. Here, we review the regulation of tau exon 10 splicing by cis-elements and trans-factors and summarize all the mutations associated with FtDP-17t and related tauopathies. the findings suggest that correction of exon 10 splicing may be a potential target for tau exon 10 splicing-related tauopathies.

关键词： alternative splicing tau tau exon 10 tauopathies

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