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The genetic basis of the leafy seadragon's unique camouflage morphology and avenues for its efficient conservation derived from habitat modeling

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Science China(Life Sciences) 2023年第6期66卷 1213-1230页

作者： Meng Qu Yingyi Zhang Zexia Gao Zhixin Zhang Yali Liu Shiming Wan Xin Wang Haiyan Yu Huixian Zhang Yuhong Liu Ralf Schneider axel meyer Qiang Lin CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology South China Sea Institute of OceanologyChinese Academy of SciencesSouthern Marine Science and Engineering Guangdong Laboratory(GMLGuangzhou)Guangzhou511458China Sanya Institute of Oceanology SCSIOSanya572000China University of Chinese Academy of Sciences Beijing100049China College of Fisheries Key Lab of Freshwater Animal BreedingMinistry of AgricultureHuazhong Agricultural UniversityWuhan430070China Marine Evolutionary Ecology Zoological InstituteKiel University24118KielGermany Department of Biology University of Konstanz78464KonstanzGermany Global Ocean and Climate Research Center South China Sea Institute of OceanologyGuangzhou510301China

The leafy seadragon certainly is among evolution’s most“beautiful and wonderful”species aptly named for its extraordinary camouflage mimicking its coastal seaweed ***,limited information is known about the genetic basis of its phenotypes and conspicuous ***,we revealed genomic signatures of rapid evolution and positive selection in core genes related to its camouflage,which allowed us to predict population dynamics for this *** genomic analysis revealed that seadragons have the smallest olfactory repertoires among all ray-finned fishes,suggesting adaptations to the highly specialized *** positively selected and rapidly evolving genes that serve in bone development and coloration are highly expressed in the leaf-like appendages,supporting a recent adaptive shift in camouflage appendage ***-out of bmp6 results in dysplastic intermuscular bones with a significantly reduced number in zebrafish,implying its important function in bone *** climate change-induced loss of seagrass beds now severely threatens the continued existence of this enigmatic *** leafy seadragon has a historically small population size likely due to its specific habitat requirements that further exacerbate its vulnerability to climate ***,taking climate change-induced range shifts into account while developing future protection strategies.

关键词： seadragon camouflage olfactory receptor global climate change habitat suitability conservation

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Enlarged fins of Tibetan catfish provide new evidence of adaptation to high plateau

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Science China(Life Sciences) 2023年第7期66卷 1554-1568页

作者： Liandong Yang Ning Sun Honghui Zeng Ying Wang Wenjun Chen Zufa Ding Yang Liu Jing Wang Minghui Meng Yanjun Shen Jingliang Kang Xiuhui Ma Wenqi Lv Juan Chen axel meyer Baocheng Guo Shunping He State Key Laboratory of Freshwater Ecology and Biotechnology Institute of HydrobiologyChinese Academy of SciencesWuhan430072China Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijing100101China Academy of Plateau Science and Sustainability Qinghai Normal UniversityXining810016China Hubei Engineering Research Center for Protection and Utilization of Special Biological Resources in the Hanjiang River Basin School of Life SciencesJianghan UniversityWuhan430056China State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of SciencesKunming650223China University of Chinese Academy of Sciences Beijing100049China Department of Biology University of Konstanz78457KonstanzGermany Center for Excellence in Animal Evolution and Genetics Chinese Academy of SciencesKunming650223China

The uplift of the Tibetan Plateau significantly altered the geomorphology and climate of the Euroasia by creating large mountains and *** are more likely to be affected relative to other organisms,as they are largely restricted to river *** with the rapidly flowing water in the Tibetan Plateau,a group of catfish has evolved greatly enlarged pectoral fins with more numbers of fin-rays to form an adhesive ***,the genetic basis of these adaptations in Tibetan catfishes remains *** this study,we performed comparative genomic analyses based on the chromosome-level genome of Glyptosternum maculatum in family Sisoridae and detected some proteins with conspicuously high evolutionary rates in particular in genes involved in skeleton development,energy metabolism,and hypoxia *** found that the hoxd12a gene evolved faster and a loss-of-function assay of hoxd12a supports a potential role for this gene in shaping the enlarged fins of these Tibetan *** genes with amino acid replacements and signatures of positive selection included proteins involved in low temperature(TRMU)and hypoxia(VHL)*** assays reveal that the *** TRMU allele generates more mitochondrial ATP than the ancestral allele found in low-altitude *** assays of VHL alleles suggest that the *** allele has lower transactivation activity than the low-altitude *** findings provide a window into the genomic underpinnings of physiological adaptations that permit *** to survive in the harsh environment of the Tibetan Himalayas that mirror those that are convergently found in other vertebrates such as humans.

关键词： Glyptosternum maculatum enlarged fins adaptation Tibetan Plateau

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Asymmetry in genitalia is in sync with lateralized mating behavior but not with the lateralization of other behaviors

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Current Zoology 2020年第1期66卷 71-81页

作者： Julian TORRES-DOWDALL Sina J.ROMETSCH Gaston AGUILERA Guillermo GOYENOLA axel meyer Department of Biology University of KonstanzKonstanzGermany Zukunftskolleg University of KonstanzKonstanzGermany Hector Fellow Academy KarlsruheGermany Unidad Ejecutora Lillo(CONICET) Fundacion Miguel LilloTucumanArgentina Departamento de Ecologia y Gestion Ambiental Centro Universitario Regional Del EsteUniversidad de la RepublicaUruguay

Asymmetries in bilateral organisms attract a lot of curiosity given that they are conspicuous departures from the *** allow the investigation of the integration at different levels of biological *** we study whether and how behavioral and asymmetrical anatomical traits coevolved and work *** ask if asymmetry is determined locally for each trait or at a whole individual level in a species bearing conspicuous asymmetrical *** genitalia evolved in many species;however,in most cases the direction of asymmetry is ***,it has been rarely determined if there is an association between the direction of asymmetry in genitalia and other *** onesided livebearer fish of the genus Jenynsia(Cyprinodontiformes,Anablepidae),the anal fin of males is modified into a gonopodium,an intromittent organ that serves to inseminate *** gonopodium shows a conspicuous asymmetry,with its tip bending either to the left or the *** surveying 13 natural populations of Jenynsia lineata,we found that both genital morphs are equally common in wild *** a series of experiments in a laboratory population,we discovered asymmetry and lateralization for multiple other traits;yet,the degree of integration varied highly among *** in exploratory behavior in response to different stimuli was not associated with genital ***,the direction of genital asymmetry was positively correlated with sidedness of mating preference and the number of neuromasts in the lateral *** suggests integration of functionally linked asymmetric traits;however,there is no evidence that asymmetry is determined at the whole individual level in our study species.

关键词： antisymmetry behavioral lateralization Jenynsia iineata Jenynsia multidentata phenotypic integration

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Direct recycling of Li-ion batteries from cell to pack level:Challenges and prospects on technology,scalability,sustainability,and economics

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Carbon Energy 2024年第6期6卷 1-39页

作者： Joseph Jegan Roy Do Minh Phuong Vivek Verma Richa Chaudhary Michael Carboni Daniel meyer Bin Cao Madhavi Srinivasan Energy Research Institute@NTU(ERI@N) SCARCE LaboratoryNanyang Technological UniversitySingaporeSingapore School of Materials Science and Engineering Nanyang Technological UniversitySingaporeSingapore CEA CNRSENSCMUniversity of MontpellierUMR 5257(ICSM)Bagnols-sur-Cèze CedexFrance School of Civil and Environmental Engineering Nanyang Technological UniversitySingaporeSingapore

Direct recycling is a novel approach to overcoming the drawbacks of conventional lithium-ion battery(LIB)recycling processes and has gained considerable attention from the academic and industrial sectors in recent *** primary objective of directly recycling LIBs is to efficiently recover and restore the active electrode materials and other components in the solid phase while retaining electrochemical *** technology's advantages over traditional pyrometallurgy and hydrometallurgy are costeffectiveness,energy efficiency,and sustainability,and it preserves the material structure and morphology and can shorten the overall recycling *** review extensively discusses the advancements in the direct recycling of LIBs,including battery sorting,pretreatment processes,separation of cathode and anode materials,and regeneration and quality enhancement of electrode *** encompasses various approaches to successfully regenerate high-value electrode materials and streamlining the recovery process without compromising their electrochemical ***,we highlight key challenges in direct recycling when scaled from lab to industries in four perspectives:(1)battery design,(2)disassembling,(3)electrode delamination,and(4)commercialization and *** on these challenges and changing market trends,a few strategies are discussed to aid direct recycling efforts,such as binders,electrolyte selection,and alternative battery designs;and recent transitions and technological advancements in the battery industry are presented.

关键词： battery design cathode regeneration direct recycling graphite recycling lithium-ion battery,scaling-up

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移动摩擦焊

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现代制造 2004年第28期 30-31页

作者： axel meyer

利用移动摩擦焊工艺技术可以在铝合金的熔点温度以下对铝合金材料进行焊接。移动摩擦焊接技术主要适用于平面直焊缝的焊接;适合于在生产成本非常高的产品中使用。它最大可以节省生产成本达60％,提高生产效率达40％。

关键词：动摩擦焊工熔点温度焊缝焊接技术铝合金材料工艺技术生产成本移动产品

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Ytterbium Intercalation of Epitaxial Graphene Grown on Si-Face SiC

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Graphene 2013年第2期2卷 66-73页

作者： Somsakul Watcharinyanon Leif I. Johansson Chao Xia Jan Ingo Flege axel meyer Jens Falta Chariya Virojanadara Department of Physics Chemistry and Biology Linkoping University Linkoping Sweden Institute of Solid State Physics University of Bremen Bremen Germany

The rare-earth metal, ytterbium (Yb), was deposited on graphene grown on Si-face SiC, kept at room temperature. Yb was not found to intercalate, destroy or dope the graphene layer before subsequent heating, unlike alkali metals such as Li and Na. Our photoemission results reveal that heating to 300oC promotes Yb intercalation into the graphene-substrate interface. Real-time low energy electron microscopy (LEEM) measurements indicated intercalation to start at a sample temperature of around 220oC. In the intercalation process, Yb penetrates through the graphene and buffer layer and forms bonds to the silicon in the topmost SiC substrate bilayer, as indicated by the shifted components observed in the C 1s, Si 2p, and Yb 4f spectra. The Yb intercalation decouples the buffer layer from the substrate and transforms it into another graphene layer as manifested by the absence of buffer layer spots in the μ-LEED pattern and the appearance of an additional π band in the ARPES spectra, respectively. Moreover, the observed shift of the Dirac point down from the Fermi level by 1.9 eV indicates electron doping of the graphene layer upon Yb intercalation. The Yb intercalated graphene sample was found to be thermodynamically stable up to temperatures around 700oC.

关键词： Epitaxial Graphene SiC Ytterbium Intercalation PES ARPES LEEM

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Genomic basis of evolutionary adaptation in a warm-blooded fish

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The Innovation 2022年第1期3卷 22-30页

作者： Xin Wang Meng Qu Yali Liu Ralf F.Schneider Yue Song Zelin Chen Hao Zhang Yanhong Zhang Haiyan Yu Suyu Zhang Dongxu Li Geng Qin Shaobo Ma Jia Zhong Jianping Yin Shuaishuai Liu Guangyi Fan axel meyer Dazhi Wang Qiang Lin CAS Key Laboratory of Tropical Marine Bio-resources and Ecology South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 511458China Marine Evolutionary Ecology GEOMAR Helmholtz Centre for Ocean Research Kiel24105 KielGermany BGI-Qingdao Qingdao 266555China State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology Xiamen UniversityXiamen 361102China BGI-Shenzhen Shenzhen 518083China Department of Biology University of KonstanzKonstanz 78464Germany University of the Chinese Academy of Sciences Beijing 100101China Laboratory for Marine Fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China

Few fishes have evolved elevated body temperatures compared with ambient temperatures,and only in opah(Lampris spp)is the entire body *** understand the molecular basis of endothermy,we analyzed the opah genome and identified 23 genes with convergent amino acid substitutions across fish,birds,and mammals,including slc8b1,which encodes the mitochondrial Na+/Ca2+exchanger and is essential for heart function andmetabolic heat *** endothermic fishes,44 convergent genes with suggestive metabolic functions were identified,such as glrx3,encoding a crucial protein for hemoglobin *** genes involved in the production and retention of metabolic heat were also found to be under positive *** of opah’s unique inner-heat-producing pectoral muscle layer(PMI),an evolutionary key innovation,revealed that many proteins were co-opted from dorsal swimming muscles for thermogenesis and oxidative ***,the opah genome provides valuable resources and opportunities to uncover the genetic basis of thermal adaptations in fish.

关键词： evolutionary fish convergent

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DCT下线测试中借助机械振动的质量控制

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汽车制造业 2011年第19期 30-31,33页

作者： Volker Berger axel Wilbertz Ingo meyer 德国莱尔浩福二合公司

格特拉克一福特变速器公司生产的Powershift轿车用双离合器变速器（DCT）组合了现代化的调节技术与经济的手动变速器设计，具有牵引力不间断的平顺加速性和同自动变速器一样舒适的高动态驾驶体验。

关键词：质量控制机械振动 DCT 双离合器变速器变速器设计测试下线技术与经济

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Demonstrating grating-based phase-contrast imaging of laser-driven shock waves

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Matter and Radiation at Extremes 2024年第4期9卷 90-97页

作者： Leonard Wegert Stephan Schreiner Constantin Rauch Bruno Albertazzi Paulina Bleuel Eric Frojdh Michel Koenig Veronika Ludwig Artem SMartynenko Pascal meyer Aldo Mozzanica Michael Müller Paul Neumayer Markus Schneider Angelos Triantafyllidis Bernhard Zielbauer Gisela Anton Thilo Michel Stefan Funk Plasma Physics Department GSI Helmholtzzentrum fur SchwerionenforschungPlanckstraBe 164291 DarmstadtGermany Erlangen Centre for Astroparticle Physics(ECAP) Friedrich-Alexander-Universität Erlangen-NurnbergNikolaus-Fiebiger-StraBe 291058 ErlangenGermany LULI-CNRS CEASorbonne UniversitésEcole PolytechniqueInstitut Polytechnique de ParisF-91120 Palaiseau CedexFrance Paul Scherrer Institut(Psi) Forschungsstrasse 1115232VilligenSwitzerland Karlsruhe Institute of Technology Institute of Microstructure TechnologyHermann-von-Helmholtz-Platz 176344 Eggenstein-LeopoldshafenGermany

Single-shot X-ray phase-contrast imaging is used to take high-resolution images of laser-driven strong shock *** a two-grating Talbot interferometer,we successfully acquire standard absorption,differential phase-contrast,and dark-field images of the shocked *** agreement is demonstrated between experimental data and the results of two-dimensional radiation hydrodynamics simulations of the laser-plasma *** main sources of image noise are identified through a thorough assessment of the interferometer’s *** acquired images demonstrate that grating-based phase-contrast imaging is a powerful diagnostic tool for high-energy-density *** addition,we make a novel attempt at using the dark-field image as a signal modality of Talbot interferometry to identify the microstructure of a foam target.

关键词： interaction. shock phase

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Metabolic reprogramming by Syntenin-1 directs RA FLS and endothelial cell-mediated inflammation and angiogenesis

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Cellular & Molecular Immunology 2024年第1期21卷 33-46页

作者： Anja meyer Stephanie R.Zack Wes Nijim Adel Burgos Vishwa Patel Brian Zanotti Michael V.Volin M.Asif Amin Myles J.Lewis Costantino Pitzalis Shiva Arami Joseph A.Karam Nadera J.Sweiss Shiva Shahrara Jesse Brown VA Medical Center ChicagoILUSA Department of Medicine Division of RheumatologyThe University of Illinois at ChicagoChicagoILUSA Department of Microbiology and Immunology Midwestern UniversityDowners GroveILUSA Division of Rheumatology and Clinical Autoimmunity Center of Excellence University of MichiganAnn ArborMIUSA Centre for Experimental Medicine and Rheumatology William Harvey Research InstituteBarts and The London School of Medicine and DentistryQueen Mary University of LondonLondonUnited Kingdom Centre for Experimental Medicine&Rheumatology William Harvey Research InstituteQueen Mary University of London and Barts NIHR BRC&NHS TrustLondonUK Department of Biomedical Sciences Humanitas Universityand Humanitas Research HospitalMilanItaly Department of Orthopedic Surgery the University of Illinois at ChicagoChicagoILUSA

A novel rheumatoid arthritis(RA)synovial fluid protein,Syntenin-1,and its receptor,Syndecan-1(SDC-1),are colocalized on RA synovial tissue endothelial cells and fibroblast-like synoviocytes(FLS).Syntenin-1 exacerbates the inflammatory landscape of endothelial cells and RA FLS by upregulating transcription of IRF1/5/7/9,IL-1β,IL-6,and CCL2 through SDC-1 ligation and HIF1α,or mTOR ***,Syntenin-1 orchestrates RA FLS and endothelial cell invasion via SDC-1 and/or mTOR *** Syntenin-1 reprogrammed endothelial cells,the dynamic expression of metabolic intermediates coincides with escalated glycolysis along with unchanged oxidative factors,AMPK,PGC-1α,citrate,and inactive oxidative ***,RA FLS rewired by Syntenin-1 displayed a modest glycolytic-ATP accompanied by a robust mitochondrial-ATP *** enriched mitochondrial-ATP detected in Syntenin-1 reprogrammed RA FLS was coupled with mitochondrial fusion and fission recapitulated by escalated Mitofusin-2 and DRP1 *** found that VEGFR1/2 and Notch1 networks are responsible for the crosstalk between Syntenin-1 rewired endothelial cells and RA FLS,which are also represented in RA *** to RA explants,morphological and transcriptome studies authenticated the importance of VEGFR1/2,Notch1,RAPTOR,and HIF1αpathways in Syntenin-1 arthritic mice and their obstruction in SDC-1 deficient ***,dysregulation of SDC-1,mTOR,and HIF1αnegated Syntenin-1 inflammatory phenotype in RA explants,while inhibition of HIF1αimpaired synovial angiogenic imprint amplified by *** conclusion,since the current therapies are ineffective on Syntenin-1 and SDC-1 expression in RA synovial tissue and blood,targeting this pathway and its interconnected metabolic intermediates may provide a novel therapeutic strategy.

关键词： Syntenin-1 Syndecan-1 RA FLS RA explants immunometabolism

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