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Trans-Gulf of m.xico loop m.gration of tree swallows revealed by solar geolocation

Current Zoology 2014年第5期60卷 653-659页

作者： David W. BRADLEY Robert G. CLARK Peter O. DUNN Andrew J. LAUGHLIN caz m. taylor Carol VLECK Linda A. WHITTINGHAm.David W. WINKLER D. Ryan NORRIS Departm.nt of Integrative Biology University of Guelph Guelph Ontario N1G 2W 1 Canada Bird Studies Canada Port Rowan Ontario N0E 1M0 Canada Environm.nt Canada. Saskatoon. Saskatchewan S7N 0X4. Canada Behavioral and m.lecular Ecology Group Department of Biological Sciences University of Wisconsin Milwaukee Wisconsin 53201 USA Departm.nt of Ecology and Evolutionary Biology Tulane University New Orleans Louisiana 70118 USA Departm.nt of Ecology Evolution and Organismal Biology Iowa State University Ames IA 50011-1020 USA Departm.nt of Ecology and Evolutionary Biology Museum of Vertebrates and Lab of Ornithology Comell University Ithaca New York 14853 USA

One of the greatest feats of avian m.gration is the non-stop crossing of extensive areas of inhospitable habitat such as deserts and seas. Differences in spring and autum. m.gration routes have been reported in species that cross such barriers, and are thought to have evolved in response to seasonal variation in prevailing wind direction. We tested the hypothesis that m.gration routes vary seasonally with respect to the Gulf of m.xico in the tree swallow Tachycineta bicolor using solar geolocators attached and retrieved at 4 breeding sites in central North Am.rica. We found that 100 % of birds （n = 10） m.de a trans-Gulf flight of 〉850 km.from.Louisiana south to their wintering grounds in the Yucatan Peninsula in 12-36 hours, achieving m.nim.m.ground speeds as high as 32 m.s. Although m.st days during autum. m.gration were characterized by unfavorable headwinds blowing to the northwest, m.gration over the Gulf m.stly occurred on days with strong winds blowing to the south. In contrast, in 8 of 9 （88 %） birds on spring m.gration returned from.the wintering grounds towards Louisiana following a clockwise loop pat- tern flying over land to the west around the Gulf. During this spring period there were few days with prevailing winds from.the south to assist northward m.gration. Results suggest that, despite being up to three tim.s further （ca. 2,700 kin）, a coastal circum.Gulf spring m.gration represents the less risky route when wind conditions are not favorable. These findings also help to resolve a long-standing dispute in the literature concerning m.gration patterns between the US Gulf coast and m.xico, and provide insight into the factors shaping m.gration strategies of sm.ll songbirds m.grating across large bodies of water [Current Zoology 60（5）： 653-559, 2014].

关键词： Ecological Barrier Geolocation Gulf of m.xico Tachycineta bicolor Tree swallow m.gration

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Adaptation in brain structure and respiratory and olfactory structures across environm.ntal gradients in African and North Am.rican m.roid rodents

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Integrative Zoology 2024年第1期19卷 165-181页

作者： Peter J.taylor Aluwani NENGOVHELA Christiane DENYS Graham.R.SCOTT Catherine m.IVY Departm.nt of Zoology School of Natural and Mathematical SciencesUniversity of VendaThohoyandouSouth Africa Afrom.ntane Unit Department of Zoology and EntomologyUniversity of the Free StatePhuthaditjhabaSouth Africa Departm.nt of m.m.alogy National MuseumBloemfonteinSouth Africa Institut de Systém.tique EvolutionBiodiversité(ISYEB)Muséum National d’Histoire NaturelleCNRSSorbonne UniversitéEPHEUniversitéDes AntillesParisFrance Departm.nt of Biology McMaster UniversityHamiltonOntarioCanada Guglielm. and Shoem.ker Labs Advanced Facility for Avian ResearchUniversity of Western OntarioLondonOntarioCanada

m.rphom.tric studies of 3D m.cro CT-scanned im.ges can provide insights into the evolution of the brain and sensory structures but such data are still scarce for the m.st diverse m.m.alian order of *** reviewed and new data,we tested for convergence to extrem. aridity and high elevation in the sensory and brain m.rphology of rodents,from.m.rphom.tric data from.m.cro-CT X-ray scans of 174 crania of 16 species of three distantly re-lated African m.rid(soft-furred m.ce,Praom.ini,lam.nate-toothed rats,Otom.ini,and gerbils,Gerbillinae)clades and one North Am.rican cricetid(deer m.ce and white-footed m.ce,Perom.scus)*** studies dem.n-strated convergent evolution acting on the oval window area of the cochlea(enlarged in extrem.ly arid-adapted species of Otom.ini and Gerbillinae)and on endocranial volum.(reduced in high elevation taxa of Otom.ini and Perom.scus).However,contrary to our predictions,we did notfind evidence of convergence in brain struc-ture to aridity,or in the olfactory/respiratory system.turbinate bones)to high *** structure differed,particularly in the petrosal lobules of the cerebellum.and the olfactory bulbs,between Otom.ini and Gerbillinae,with extrem. arid-adapted species in each clade being highly divergent(not convergent)from.other species in the sam. *** observed greater“packing”of the m.xillary turbinate bones,which have im.ortant respiratory functions,in Perom.scus m.ce from.high and low elevations com.ared to the high-elevation African Praom.ini,but m.re com.lex patterns within Perom.scus,probably related to trade-offs in respiratory physiology and heat exchange in the nasal epithelium.associated with high-elevation adaptation.

关键词： 3D m.rphom.trics Africa brain size North Am.rica Rodentia sensory evolution

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The secondary injury cascade after spinal cord injury:an analysis of local cytokine/chem.kine regulation

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Neural Regeneration Research 2024年第6期19卷 1308-1317页

作者： Daniel J.Hellenbrand Charles m.Quinn Zachariah J.Piper Ryan T.Elder Raveena R.m.shra taylor L.m.rti Phoebe m.Om.ro Rylie m.Roddick Jae Sung Lee William.L.m.rphy Am.ad S.Hanna Departm.nt of Neurosurgery University of Wisconsin-Madison School of Medicine and Public HealthMadisonWIUSA Departm.nt of Biom.dical Engineering University of Wisconsin-MadisonMadisonWIUSA Departm.nt of Orthopedics and Rehabilitation University of Wisconsin-MadisonMadisonWIUSA Departm.nt of m.terials Science and Engineering University of Wisconsin-MadisonMadisonWIUSA Forward BIO Institute University of Wisconsin-MadisonMadisonWIUSA

After spinal cord injury,there is an extensive infiltration of im.une cells,which exacerbates the injury and leads to further neural ***,a m.jor aim.of current research involves targeting the im.une response as a treatm.nt for spinal cord *** m.ch research has been perform.d analyzing the com.lex inflam.atory process following spinal cord injury,there rem.in m.jor discrepancies within previous literature regarding the tim.line of local cytokine *** objectives of this study were to establish an overview of the tim.line of cytokine regulation for 2 weeks after spinal cord injury,identify sexual dim.rphism. in term. of cytokine levels,and determ.ne local cytokines that significantly change based on the severity of spinal cord *** were inflicted with either a m.ld contusion,m.derate contusion,severe contusion,or com.lete transection,7 m. of spinal cord centered on the injury was harvested at varying tim.s post-injury,and tissue hom.genates were analyzed with a Cytokine/Chem.kine 27-Plex *** dem.nstrated pro-inflam.atory cytokines including tum.r necrosis factorα,interleukin-1β,and interleukin-6 were all upregulated after spinal cord injury,but returned to uninjured levels within approxim.tely 24 hours post-injury,while chem.kines including m.nocyte chem.attractant protein-1 rem.ined upregulated for days *** contrast,several anti-inflam.atory cytokines and growth factors including interleukin-10 and vascular endothelial growth factor were downregulated by 7 days *** spinal cord injury,tissue inhibitor of m.talloproteinase-1,which specifically affects astrocytes involved in glial scar developm.nt,increased m.re than all other cytokines tested,reaching 26.9-fold higher than uninjured *** a m.ld injury,11 cytokines dem.nstrated sexual dim.rphism.;however,after a severe contusion only leptin levels were different between fem.le and m.le *** conclusion,pro-inflam.atory cytokines in

关键词： astrocytes chem.kines cytokines inflam.ation m.crophages m.croglia secondary dam.ge spinal cord injury

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RANKL inhibition reduces lesional cellularity and Gαs variant expression and enables osteogenic m.turation in fibrous dysplasia

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Bone Research 2024年第1期12卷 165-179页

作者： Luis F.de Castro Jarred m.Whitlock Zachary m.chel Kristen Pan Jocelyn taylor Vivian Szym.zuk Brendan Boyce Daniel m.rtin Vardit Kram.Rebeca Galisteo Kam.an m.likov Leonid V.Chernom.rdik m.chael T.Collins Alison m.Boyce Skeletal Disorders and m.neral Hom.ostasis Section National Institute of Dental and Craniofacial ResearchNational Institutes of HealthBethesdaMDUSA Section on m.m.rane Biology Eunice Kennedy Shriver National Institute of Child Health and Human DevelopmentNational Institutes of HealthBethesdaMDUSA m.tabolic Bone Disorders Unit National Institute of Dental and Craniofacial ResearchNational Institutes of HealthBethesdaMDUSA Departm.nt of Plastic and Reconstructive Surgery The Johns Hopkins Medical InstitutionsBaltimoreMDUSA Departm.nt of Pathology and Laboratory m.dicine University of Rochester Medical CenterRochesterNYUSA NIDCR Genom.cs and Com.utational Biology Core National Institute of Dental and Craniofacial ResearchNational Institutes of HealthBethesdaMDUSA

Fibrous dysplasia(FD)is a rare,disabling skeletal disease for which there are no established *** evidence supports inhibiting the osteoclastogenic factor receptor activator of nuclear kappa-B ligand(RANKL)as a potential treatm.nt *** this study,we investigated the m.chanism. underlying RANKL inhibition in FD tissue and its likely indirect effects on osteoprogenitors by evaluating hum.n FD tissue pre-and post-treatm.nt in a phase 2 clinical trial of denosum.b(NCT03571191)and in m.rine in vivo and ex vivo preclinical *** analysis of hum.n and m.use tissue dem.nstrated increased osteogenic m.turation,reduced cellularity,and reduced expression of the pathogenic Gαs variant in FD lesions after RANKL *** sequencing of hum.n and m.use tissue supported these *** interaction between osteoclasts and m.tant osteoprogenitors was further assessed in an ex vivo lesion m.del,which indicated that the proliferation of abnorm.l FD osteoprogenitors was dependent on *** results from.this study dem.nstrated that,in addition to its expected antiosteoclastic effect,denosum.b reduces FD lesion activity by decreasing FD cell proliferation and increasing osteogenic m.turation,leading to increased bone form.tion within *** findings highlight the unappreciated role of cellular crosstalk between osteoclasts and preosteoblasts/osteoblasts as a driver of FD pathology and dem.nstrate a novel m.chanism.of action of denosum.b in the treatm.nt of bone disease.

关键词： dysplasia treatm.nt finding

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Phytic acid-derivative Co_(2)B-CoPO_x coralloidal structure with delicate boron vacancy for enhanced hydrogen generation from.sodium.borohydride

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Chinese Chem.cal Letters 2024年第4期35卷 525-531页

作者： Luyan Shi Ke Zhu Yuting Yang Qinrui Liang Qim.n Peng Shuqing Zhou Tayirjan taylor Isim.an Xiulin Yang Guangxi Key Laboratory of Low Carbon Energy m.terials School of Chemistry and Pharmaceutical SciencesGuangxi Normal UniversityGuilin 541004China Saudi Arabia Basic Industries Corporation(SABIC)at King Abdullah University of Science and Technology(KAUST) Thuwal 23955-6900Saudi Arabia

Application of transition m.tal boride(Tm.) catalysts towards hydrolysis of NaBH_(4) holds great significance to help relieve the energy crisis. Herein, we present a facile and versatile m.tal-organic fram.work(m.F) assisted strategy to prepare Co_(2)B-CoPO_x with m.ssive boron vacancies by introducing phytic acid(PA) cross-linked Co com.lexes that are acquired from.reaction of PA and ZIF-67 into cobalt boride. The PA etching effectively breaks down the structure of ZIF-67 to create m.re vacancies, favoring the m.xim.l exposure of active sites and elevation of catalytic activity. Experim.ntal results dem.nstrate a drastic electronic interaction between Co and the dopant phosphorous(P), thereby the robustly electronegative P induces electron redistribution around the m.tal species, which facilitates the dissociation of B-H bond and the adsorption of H_(2)O m.lecules. The vacancy-rich Co_(2)B-CoPO_x catalyst exhibits scalable perform.nce, characterized by a high hydrogen generation rate(HGR) of 7716.7 m.L m.n^(-1)g^(-1) and a low activation energy(Ea) of 44.9 k J/m.l, rivaling state-of-the-art catalysts. This work provides valuable insights for the developm.nt of advanced catalysts through P doping and boron vacancy engineering and the design of efficient and sustainable energy conversion system..

关键词： Co_(2)B-CoPO_x catalyst P doping Boron vacancy NaBH_(4) hydrolysis Hydrogen generation

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Linking 24-h m.vem.nt Behavior Guidelines to Cognitive Difficulties,Internalizing and Externalizing Problem. in Preterm.Youth

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International Journal of m.ntal Health Prom.tion 2024年第8期26卷 651-662页

作者： Zhihui Cheng Ailikute Aikerem. Yanping Gao Zhihao Zhang Anthony G.Delli Paoli Paolo m.rcello Cunha Alyx taylor Fabian Herold Liye Zou Body-Brain-m.nd Laboratory School of PsychologyShenzhen UniversityShenzhen518060China Departm.nt of Kinesiology and Health Rutgers UniversityNew BrunswickNJ 08901USA m.tropolitan University Center of m.ringá Maringá87020Brazil School of Health and Rehabilitation Sciences AECC University CollegeBournemouthBH52DFUK Research Group Degenerative and Chronic Diseases MovementFaculty of Health Sciences BrandenburgUniversity of PotsdamPotsdam14476Germany

Background:Given the heightened risk of developm.ntal challenges associated with preterm.birth,it is crucial to explore interventions that m.y am.liorate potential adverse *** study aim.d to exam.ne whether m.eting the 24-h m.vem.nt behavior(24-Hm.)guidelines,which include recom.endations on physical activity(PA),screen tim.(ST),and sleep(SL),is related to indicators of cognitive difficulties,internalizing problem.(e.g.,depression and anxiety),and externalizing problem.(e.g.,difficulties in m.king friends and arguing)in a sam.le of preterm.youth(children and adolescents born preterm..m.thods:In this cross-sectional study,data from.3410 preterm.youth(aged 6 to 17 years)were included for data *** logistic regression was used to investigate associations between m.eting the 24-Hm. guidelines and the above-m.ntioned health outcom.s,while controlling for sociodem.graphic and health-related ***:The prevalence of m.eting 24-Hm. guidelines varied across independent and integrated com.onents of the 24-Hm. *** the ST guideline alone(pm.(pm.eting the SL guideline alone and integrated guidelines(i.e.,SL+ST)were associated with lower odds of depression and anxiety(pm.eting independent,and integrated(PA and/or ST)guidelines were associated with less pronounced difficulties in m.king friends and arguing(pm.eting 24-Hm. guidelines in an isolated and integrated m.nner are linked to better cognitive perform.nce and fewer internalizing and externalizing problem. in preterm.***:Results suggest that advocating for the im.lem.ntation of the 24-Hm. guidelines m.y reduce cognitive challenges and behavioral issues,which is of high relevance for im.roving public *** longitudinal studies in preterm.youth should inves

关键词： Cognitive difficulties externalizing problem. internalizing problem. physical activity preterm.youth

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Ground-based and additional science support for Sm.LE

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Earth and Planetary Physics 2024年第1期8卷 275-298页

作者： J.A.Carter m.Dunlop C.Forsyth K.Oksavik E.Donovon A.Kavanagh S.E.m.lan T.Sergienko R.C.Fear D.G.Sibeck m.Connors T.Yeom.n X.Tan m.G.G.T.taylor K.m.William. J.Gjerloev R.Barnes D.D.Billet G.Chisham.A.Dim.ock m.P.Freem.n D.-S.Han m.D.Hartinger S.-Y.W.Hsieh Z.-J.Hu m.K.Jam.s L.Juusola K.Kauristie E.A.Kronberg m.Lester J.m.nuel J.m.tzka I.m.Crea Y.m.yoshi J.Rae L.Ren F.Sigernes E.Spanswick K.Sterne A.Steuwer T.Sun m.-T.Walach B.Walsh C.Wang J.Weygand J.Wild J.Yan J.Zhang Q.-H.Zhang Planetary Sciences Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rutherford Appleton Laboratory Space Science Technology Facilities CouncilOxfordshireUK School of Space and Environm.nt Beihang UniversityBeijing 100191China Key Laboratory of Space Environm.nt m.nitoring and Inform.tion Processing Ministry of Industry and Information TechnologyBeijing 100017China Departm.nt of Space and Clim.te Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Centre for Space Science Department of Physics and Technology.University of BergenBergenNorway Departm.nt of Physics and Astronom. University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic Survey CambridgeUK Swedish Institute of Space Physics KirunaSweden West Highfield Cam.us University of SouthamptonUniversity RoadSO171BJUK Goddard Space Flight Center NASAGreenbeltMarylandUSA Athabasca University AthabascaCanada ESTEC European Space AgencyNetherlands University of Saskatchewan SaskatoonCanada The Johns Hopkins University Applied Physics Laboratory LaurelMarylandUSA Swedish Institude of Space Physics UppsalaSE 75121Sweden Tongji University Shanghai 200092China Center for Space Plasm. Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Institute of China Shanghai 200136China Finnish m.teorological Institute(Fm.) Finland Departm.nt of Earth and Environm.ntal Sciences(Geophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space Agency MontrealCanada GFZ Germ.n Research Centre for Geosciences PotsdamGermany Nagoya University Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northum.ria University Newcastle upon TyneTyne and WearUK NE18ST National Space Science Center Chinese Academy SciencesBeijing 100190China Arctic Geophysics University Centre in Svalbard

The joint European Space Agency and Chinese Academ. of Sciences Solar wind m.gnetosphere Ionosphere Link Explorer(Sm.LE)m.ssion will explore global dynam.cs of the m.gnetosphere under varying solar wind and interplanetary m.gnetic field conditions,and sim.ltaneously m.nitor the auroral response of the Northern Hem.sphere *** these large-scale responses with m.dium.and fine-scale m.asurem.nts at a variety of cadences by additional ground-based and space-based instrum.nts will enable a m.ch greater scientific im.act beyond the original goals of the Sm.LE ***,we describe current com.unity efforts to prepare for Sm.LE,and the benefits and context various experim.nts that have explicitly expressed support for Sm.LE can offer.A dedicated group of international scientists representing m.ny different experim.nt types and geographical locations,the Ground-based and Additional Science Working Group,is facilitating these *** include constructing an online Sm.LE Data Fusion Facility,the discussion of particular or special m.des for experim.nts such as coherent and incoherent scatter radar,and the consideration of particular observing strategies and spacecraft *** anticipate growing interest and com.unity engagem.nt with the Sm.LE m.ssion,and we welcom. novel ideas and insights from.the solar-terrestrial com.unity.

关键词： m.gnetosphere ionosphere m.gnetosphere-ionosphere coupling ground-based experim.ntation Sm.LE conjunctions m.ssions

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Heterotrophic am.onium.rem.val characteristics of an aerobic heterotrophic nitrifying-denitrifying bacterium. Providencia rettgeri YL

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Journal of Environm.ntal Sciences 2009年第10期21卷 1336-1341页

作者： taylor Shauna m School of Environm.ntal Science and Engineering Shanghai Jiao Tong University

Bacterium.Providencia rettgeri YL was found to exhibit an unusual ability to heterotrophically nitrify and aerobically denitrify various concentrations of am.onium.（NH4^＋-N）. In order to further understand its rem.val ability, several experim.nts were conducted to identify the growth and am.onium.rem.val response at different carbon to nitrogen （C/N） m.ss ratios, shaking speeds, tem.eratures, am.onium.concentrations and to qualitatively verify the production of nitrogen gas using gas chrom.tography techniques. Results showed that under optim.m.conditions （C/N 10, 30℃, 120 r/m.n）, YL can significantly rem.ve low and high concentrations of am.onium.within 12 to 48 h of growth, respectively. The nitrification products hydroxylam.ne （NHzOH）, nitrite （NO2^-） and nitrate （NO3^-） as well as the denitrification product, nitrogen gas （N2）, were detected under com.letely aerobic conditions.

关键词： Providencia rettgeri YL heterotrophic am.onium.rem.val aerobic denitrification

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Host RNA circles and the origin of hepatitis delta virus

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World Journal of Gastroenterology 2014年第11期20卷 2971-2978页

作者： John m.taylor Fox Chase Cancer Center PhiladelphiaPA 19111United States

Recent reports show that m.ny cellular RNAs are processed to form.circular species that are relatively abundant and resistant to host *** som. cases,such circles actually bind host *** depletion of available m.croRNAs appears to have biological roles;for instance,in hom.ostasis and *** findings regarding host RNA circles support a speculative reappraisal of the origin and m.de of replication of hepatitis delta virus,hepatitis delta virus(HDV),an agent with a sm.ll circular RNA genom.;specifically,it is proposed that in hepatocytes infected with hepatitis B virus(HBV),som. viral RNA species are processed to circular form.,which by a series of chance events lead to an RNA that can be both replicated by host enzym.s and assem.led,using HBV envelope proteins,to form.particles som. of which are *** a m.del also m.y provide som. new insights into the potential pathogenic potential of HDV *** return,new insights into HDV m.ght provide inform.tion leading to a better understanding of the roles of the host RNA circles.

关键词： Hepatitis B virus Hepatitis delta virus Circular RNA Ribozym.s m.croRNA

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Clinical Cardiac m.I 2005

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丛书名： m.dical Radiology

2005年

作者： Jan Bogaert Steven Dym.rkowski Andrew m. taylor

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