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Transgenerational bone toxicity in F3 medaka (Oryzias latipes) induced by ancestral benzo[a]pyrene exposure: Cellular and transcriptomic insights

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Journal of Environmental Sciences 2023年第5期127卷 336-348页

作者： Jiezhang Mo Miles Teng Wan DorisWai-Ting Au Jingchun Shi Nathan Tam Xian Qin Napo K.M.Cheung Keng Po Lai Christoph Winkler Richard Yuen-Chong Kong Frauke Seemann Southern marine Science and engineering Guangdong laboratory(Guangzhou) Guangzhou 510000China shenzhen key laboratory for the Sustainable Use of marine Biodiversity Research Centre for the Oceans and Human HealthShenzhen Research InstituteCity University of Hong KongShenzhen 518057China State key laboratory of marine Pollution and Department of Chemistry City University of Hong KongHong Kong SARChina laboratory of Environmental Pollution and Integrative Omics Guilin Medical UniversityHuan Cheng North 2nd Road 109Guilin 541004China Department of Biological Sciences National University of Singapore119077Singapore Center for Coastal Studies and Department of Life Sciences Texas A&M University-Corpus ChristiCorpus ChristiTexas 78412USA

Benzo[a]pyrene(BaP),a ubiquitous pollutant,raises environmental health concerns due to induction of bone toxicity in the unexposed *** of F0 ancestor medaka(Oryzias latipes)to 1μg/L BaP for 21 days causes reduced vertebral bone thickness in the unexposed F3 male *** reveal the inherited modifications,osteoblast(OB)abundance and molecular signaling pathways of transgenerational BaP-induced bone thinning were *** analysis showed a reduction in OB *** of the miRNA and mRNA transcriptomes revealed the dysregulation of Wnt signaling(frzb/ola-miR-1–3p,sfrp5/ola-miR-96–5p/miR-455–5p)and bone morphogenetic protein(Bmp)signaling(bmp3/ola-miR-96–5p/miR-181b-5p/miR-199a-5p/miR-205–5p/miR-455–5p).Both pathways are major indicators of impaired bone formation,while the altered Rank signaling in osteoclasts(c-fos/miR-205–5p)suggests a potentially augmented bone ***,a typical BaP-responsive pathway,the Nrf2-mediated oxidative stress response(gst/ola-miR-181b-5p/miR-199a-5p/miR-205),was also ***,mRNA levels of epigenetic modification enzymes(e.g.,hdac6,hdac7,kdm5b)were found *** findings indicated that epigenetic factors(e.g.,miRNAs,histone modifications)may directly regulate the expression of genes associated with transgenerational BaP bone toxicity and warrants further *** identified candidate genes and miRNAs may serve as potential biomarkers for BaP-induced bone disease and as indicators of historic exposures in wild fish for conservation purposes.

关键词： Polycyclic aromatic hydrocarbons (PAHs) Transcriptome Impaired bone formation Molecular pathways MicroRNAs Medaka(Oryzias latipes)

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The effect of Typhoon Kalmaegi on the modal energy and period of internal waves near the Dongsha Islands(South China Sea)

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Acta Oceanologica Sinica 2023年第12期42卷 22-31页

作者： Rongwei Zhai Guiying Chen Chenjing Shang Xiaodong Shang Youren Zheng South China Sea Information Center of State Oceanic Administration Guangzhou 510310China State key laboratory of Tropical Oceanography South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510315China shenzhen key laboratory of marine Bioresource and Eco-environmental Science College of Life Sciences and OceanographyShenzhen UniversityShenzhen 518060China

The influence of Typhoon Kalmaegi on internal waves near the Dongsha Islands in the northeastern South China Sea was investigated using mooring observation *** observed,for the first time,that the phenomenon of regular variation characteristics of the 14-d spring-neap cycle of diurnal internal tides(ITs)can be regulated by *** diurnal ITs lost the regular variation characteristics of the 14-d spring-neap cycle during the typhoon period owing to the weakening of diurnal coherent ITs,represented by O_(1)and K_(1),and the strengthening of diurnal incoherent *** of quantitative analysis showed that during the pre-typhoon period,timeaveraged modal kinetic energy(sum of Modes 1–5)of near-inertial internal waves(NIWs)and diurnal and semidiurnal ITs were 0.62 kJ/m^(2),5.66 kJ/m^(2),and 1.48 kJ/m^(2),***,during the typhoon period,the modal kinetic energy of NIWs increased 5.11 times,mainly due to the increase in high-mode kinetic *** the same time,the modal kinetic energy of diurnal and semidiurnal ITs was reduced by 68.9%and 20%,respectively,mainly due to the decrease in low-mode kinetic *** significantly reduced diurnal ITs during the typhoon period could be due to:(1)strong nonlinear interaction between diurnal ITs and NIWs,and(2)a higher proportion of high-mode diurnal ITs during the typhoon period,leading to more energy dissipation.

关键词： internal waves spring-neap cycle modal kinetic energy South China Sea

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Metabolic tuning of a stable microbial community in the surface oligotrophic Indian Ocean revealed by integrated meta-omics

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marine Life Science & Technology 2022年第2期4卷 277-290页

作者： Zhang-Xian Xie Ke-Qiang Yan Ling-Fen Kong Ying-Bao Gai Tao Jin Yan-Bin He Ya-Yu Wang Feng Chen Lin Lin Zhi-Long Lin Hong-Kai Xu Zong-Ze Shao Si-Qi Liu Da-Zhi Wang State key laboratory of marine Environmental Science/College of the Environment and Ecology Xiamen UniversityXiamen361005China College of Ocean and Earth Sciences Xiamen UniversityXiamen361005China Southern marine Science and engineering Guangdong laboratory(Zhuhai) Sun Yat-Sen UniversityZhuhai519082China BGI-shenzhen Beishan Industrial Zone 11th BuildingShenzhen518083China BGI Education Center University of Chinese Academy of SciencesShenzhen518083China key laboratory of marine Genetic Resources Third Institute of OceanographyMinistry of Natural Resources of ChinaXiamen361005China State key laboratory Breeding Base of marine Genetic Resources/Fujian key laboratory of marine Genetic Resources Xiamen361005China Institute of marine and Environmental Technology University of Maryland Center for Environmental ScienceBaltimoreMD21202USA

Understanding the mechanisms,structuring microbial communities in oligotrophic ocean surface waters remains a major ecological *** redundancy and metabolic tuning are two mechanisms that have been proposed to shape microbial response to environmental ***,little is known about their roles in the oligotrophic surface ocean due to less integrative characterization of community taxonomy and ***,we applied an integrated meta-omics-based approach,from genes to proteins,to investigate the microbial community of the oligotrophic northern Indian *** spatial variabilities of both genomic and proteomic compositions indicated a stable microbial community that was dominated by Prochlorococcus,Synechococcus,and ***,fine tuning of some metabolic functions that are mainly driven by salinity and temperature was ***,a tuning divergence occurred between metabolic potential and activity in response to different environmental *** results indicate that metabolic tuning is an important mechanism for sustaining the stability of microbial communities in oligotrophic *** addition,integrated meta-omics provides a powerful tool to comprehensively understand microbial behavior and function in the ocean.

关键词： Microbial community Metabolic tuning Metaproteomics Metagenomics Oligotrophic ocean

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Laplace metasurfaces for optical analog computing based on quasi-bound states in the continuum

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Photonics Research 2021年第9期9卷 1758-1766页

作者： DANPING PAN LEI WAN MIN OUYANG WEI ZHANG ALEXANDER A.POTAPOV WEIPING LIU ZIXIAN LIANG TIANHUA FENG ZHAOHUI LI Department of Electronic engineering College of Information Science and TechnologyJinan UniversityGuangzhou 510632China Wuhan National laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China Institute of Microscale Optoelectronics Shenzhen UniversityShenzhen 518060China State key laboratory of Optoelectronic Materials and Technologies and School of Electronics and Information Technology Sun Yat-sen UniversityGuangzhou 511400China Southern marine Science and engineering Guangdong laboratory(Zhuhai) Zhuhai 519000China

Laplace operation,the isotropic second-order differentiation,on spatial functions is an essential mathematical calculation in most physical equations and signal *** the Laplace operation in a manner of optical analog computing has recently attracted attention,but a compact device with a high spatial resolution is still ***,we introduce a Laplace metasurface that can perform the Laplace operation for incident lightfield *** exciting the quasi-bound state in the continuum,an optical transfer function for nearly perfect isotropic second-order differentiation has been obtained with a spatial resolution of wavelength *** a Laplace metasurface has been numerically validated with both 1D and 2D spatial functions,and the results agree well with that of the ideal Laplace *** addition,the edge detection of a concerned object in an image has been demonstrated with the Laplace *** results pave the way to the applications of metasurfaces in optical analog computing and image processing.

关键词： surface quasi continuum

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Flow structures, nonlinear inertial waves and energy transfer in rotating spheres

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Theoretical & Applied Mechanics Letters 2021年第6期11卷 380-390页

作者： Tianyi Li Minping Wan Shiyi Chen Guangdong Provincial key laboratory of Turbulence Research and Applications Department of Mechanics and Aerospace EngineeringSouthern University of Science and TechnologyShenzhen 518055China State key laboratory for Turbulence and Complex Systems College of EngineeringPeking UniversityBeijing 100871China Southern marine Science and engineering Guangdong laboratory(Guangzhou) Guangzhou 511458China

We investigate flow structures,nonlinear inertial waves and energy transfer in a rotating fluid sphere,using a Galerkin spectral method based on helical-wave decomposition(HWD).Numerical simulations of flows in a sphere are performed with different system rotation rates,where a large-scale forcing is *** the case without system rotation,the intense vortex structures are *** a weak rotation is introduced,small-scale structures are reduced and vortex tubes tend to align with the rotation *** the rotation rate increases,a large-scale anticyclonic vortex structure is formed near the rotation *** structure is shown to be led by certain geostrophic *** the rotation rate further increases,a cyclone and an anticyclone emerge from the top and bottom of the boundary,respectively,where two quasi-geostrophic equatorially symmetric inertial waves dominate the *** on HWD,effects of spherical confinement on rotating turbulence are systematically *** is found that the forward cascade becomes weaker as the rotation *** the rotation rate becomes larger than some critical value,dual energy cascades emerge,with an inverse cascade at large scales and a forward cascade at small ***,the flow behavior near the boundary is studied,where the average boundary layer thickness gets smaller when system rotation *** flow behavior in the boundary layer is closely related to the interior flow structures,which create significant mass flux between the boundary layer and the interior fluid through Ekman pumping.

关键词： Rotating turbulence Spherical confinement Helical-wave deomposition Inertial wave

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Advances and prospects of triboelectric nanogenerator for self-powered system

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International Journal of Smart and Nano Materials 2021年第3期12卷 233-255页

作者： Xuyao An Chunnan Wang Ruomei Shao Shuqing Suna shenzhen key laboratory for Minimal Invasive Medical Technologies Institute of Optical Imaging and SensingDepartment of Biomedical EngineeringShenzhen International Graduate SchoolTsinghua UniversityShenzhenChina Department of Physics Tsinghua UniversityBeijing China

Self-powered technology is a novel power supply *** recent years,self-powered intelligent products have attracted much *** nanogenerators(TENGs)can convert mechanical energy into electrical energy by contact and relative motion,thus providing the possibility of self-powering for electronic ***,TENG-based self-powered technologies are limited by low power output and poor conversion *** this review,we present the development of TENG-based self-powered systems,with the emphasis on the output power of TENG and how to improve *** on the above applications,we propose the idea of TENG-driven self-powered remote robots,providing promising scenarios of small remote robots for land rescue or underwater *** to the limited power output of the current TENGs,there are still some difficulties in driving the *** at the problems of low power supply and poor conversion efficiency,we introduce the current attempts to improve the power generation efficiency from the perspectives of mechanical structure,electrode materials and auxiliary *** also outline the applications of TENGs as power supply systems in various fields such as sensing,wearable devices,and collecting marine ***,we forecast the development prospect of TENG.

关键词： Triboelectric nanogenerator self-power sensors remote robots

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Seismic Images of Shallow Waters over the Shatsky Rise in the Northwest Pacific Ocean

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Journal of Ocean University of China 2021年第5期20卷 1079-1088页

作者： ZHANG Jinchang LUO Yiming XING Junhui key laboratory of Ocean and Marginal Sea Geology South China Sea Institute of OceanologyInnovation Academy of South China Sea Ecology and Environmental EngineeringChinese Academy of SciencesGuangzhou 510301China laboratory for marine Mineral Resources Qingdao National Laboratory for Marine Science and TechnologyQingdao 266071China Southern marine Science and engineering Guangdong laboratory(Guangzhou) Guangzhou 511458China China-Pakistan Joint Research Center on Earth Sciences CAS-HECIslamabad 45320Pakistan Department of Ocean Science and engineering Southern University of Science and TechnologyShenzhen 518055China key laboratory of Submarine Geosciences and Prospecting Techniques MOE and College of Marine GeosciencesOcean University of ChinaQingdao 266100China

Recent studies have demonstrated the ability of seismic oceanography to reveal finescale vertical structures of water column in the oceans based on multichannel seismic(MCS)reflection *** information can clarify the dynamic processes of mixing,exchange,and translation of water mass and *** this study,we present four MCS lines and satellite data to show high-resolution seismic images of shallow waters over the Shatsky Rise in the Northwest Pacific Ocean,where the Kuroshio Exten-sion passes and *** of our MCS transects crossed the center of an anticyclonic warm eddy on August 28,2010,confirmed by satellite data such as sea level anomaly(SLA),geostrophic current anomaly(GCA),and sea surface temperature anomaly(SSTa).The seismic image showed that the eddy vertical structure featured a bowl-like shape and onion-like internal *** slightly tilted(2°-3°)at the boundaries between water masses with differing *** addition,the discrepancies in SLA,GCA,and SSTa between water masses resulted in different seismic *** water masses with high SLA,anticyclonic GCA and positive SSTa featured high-amplitude,continuous,clear-layered,and non-linear reflections,whereas those with low SLA,cyclonic GCA,and negative SSTa were associated with weak,fragmented,less stratification,and more linear reflectors.

关键词： Kuroshio Extension mesoscale oceanic eddies vertical structure submesoscale structure seismic oceanography mul-tichannel seismic reflection

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A low-carbon strategy for revival of degraded single crystal LiNi_(0.6)Co_(0.2)Mn_(0.2)O_(2)

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Rare Metals 2023年第2期42卷 459-470页

作者： Kai Yuan Rui-Qi Ning Li-Jiao Zhou Chao Shen Si-Si Zhou Jing Li Ting Jin Xiang-Gong Zhang Ke-Yu Xie State key laboratory of Solidification Processing Center for Nano Energy MaterialsSchool of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an710072China Wuhan Institute of marine Electric Propulsion China Shipbuilding Industry CorporationWuhan430064China Research and Development Institute of Northwestern Polytechnical University in shenzhen Northwestern Polytechnical UniversityShenzhen518057China State key laboratory of Environment-Friendly Energy Materials School of Material Science and EngineeringSouthwest University of Science and TechnologyMianyang621010China

Single crystal LiNi_(0.6)Co_(0.2)Mn_(0.2)O_(2)is currently widely used due to the outstanding cycle stability and ***,its sensitivity to the environment and the high residual alkali makes the electrochemical performance and processing property severely degraded after long-term storage,especially for the Ni-rich single crystal ***,it is highly urgent to develop a cost-effective strategy for the revival of degraded Ni-rich cathode ***,a low-carbon strategy is proposed to revive the degraded single crystal LiNi_(0.6)Co_(0.2)Mn_(0.2)O_(2)(SCNCM622)through water *** solid-liquid reaction mechanism of SCNCM622 and water was revealed and the strong dependence of the recovery effect on the washing time was *** optimized conditions,the sample with a washing time of 24 h shows 31.2%reduction in viscosity,18.4%improvement in discharge capacity,15.3%enhancement in cycle life,and excellent rate performance compared to the blank ***,this strategy can achieve higher utilization of single crystal Ni-based cathode materials with a lower cost.

关键词： Li-ion battery Ni-rich cathode materials Single crystal LiNi_(0.6)Co_(0.2)Mn_(0.2)O_(2) Water washing Electrochemical performance

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Acetylcholinesterase inhibitors and antioxidants mining from marine fungi:bioassays,bioactivity coupled LC-MS/MS analyses and molecular networking

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marine Life Science & Technology 2020年第4期2卷 386-397页

作者： Yingying Nie Wencong Yang Yayue Liu Jingming Yang Xiaoling Lei William HGerwick Yi Zhang Center for marine Drugs Research and Development Shenzhen Institute of Guangdong Ocean UniversityShenzhen 518000China College of Food Science and Technology Key Laboratory of Guangdong Province Aquatic Products Processing and SafetyGuangdong Province Engineering Laboratory for Marine Biological ProductsGuangdong Provincial Engineering Technology Research Center of Marine FoodKey Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education InstitutionZhanjiang Municipal Key Laboratory of Marine Drugs and Nutrition for Brain HealthResearch Institute for Marine Drugs and NutritionGuangdong Ocean UniversityZhanjiang 52408&China Center for marine Biotechnology and Biomedicine Scripps Institution of OceanographyUniversity of CaliforniaSan DiegoLa JollaCA 92093USA Collaborative Innovation Center of Seafood Deep Processing Dalian Polytechnic UniversityDalian 116034China

marine fungi are potentially important resources for bioactive lead compounds for discovering new drugs for diseases such as Alzheimer's *** this paper,the combined bioassay model of acetylcholinesterase(AChE)inhibition,1,1-diphenyl-2-picrylhydrazyl(DPPH)free radical scavenging,and Artemi ci larval lethality was used to evaluate the activity and toxicity of 35 n narine fun gal strains from seas around *** bioactive constitue nfs were revealed by thin layer chromatography(TLC)autography,bioactivity coupled LC-MS/MS and Global Natural Products Social Molecular Networking(GNPS).The results show that the extracts of five strains exhibited higher AChE inhibition ratios than the positive control compound,'tacrine;for which the ratio was 89.8%at 200 pig/*** strains displayed both AChE inhibition(inhibition ratios>20%at 200 pg/ml)and DPPH scavenging activity(scavenging ratios>30%at 200 pg/ml)together with low Artemia larval toxicity(lethal rates<12%).TLC autography showed that the fractioned extracts of four strains contained highly diverse and different bioactive constituents,includi ng strains Talaromyces sp.C2\-\,Aspergillus ter re us C23-3,Trichoderma harzianum DLEN2008005,and Penicillium corylophilum *** the most potent sample F-l 1-1-b(derived from Aspergillus tern us C23-3),five AChE inhibitors and seven antioxida nts were recognized as bioactive molecules by AChE coupled ultrafiltration followed by LC-MS/MS,and LC-MS/MS coupled with DPPH ***,with the aid of GNPS,the AChE inhibitors were plausibly annotated as territrem analogues including territrems A-C/D,arisugacin A and an unknown compound 4,and the seven antioxidants were assigned as butyrolactone *** E,a phenolic derivative and possibly unknown compounds 8-10 and 12.

关键词： Acetylcholinesterase inhibition Antioxida marine fungi LC-MS/MS Molecular networking

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A Cooperative Security Monitoring Mechanism Aided by Optimal Multiple Slave Cluster Heads for UASNs

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China Communications 2023年第5期20卷 148-169页

作者： Yougan Chen Wei Wang Xiang Sun Yi Tao Zhenwen Liu Xiaomei Xu key laboratory of Underwater Acoustic Communication and marine Information Technology Xiamen UniversityXiamen 361005China shenzhen Research Institute of Xiamen University Shenzhen 518000China Dongshan Swire marine Station College of Ocean and Earth SciencesXiamen UniversityXiamen 361102China State key laboratory of Robotics Shenyang Institute of AutomationChinese Academy of SciencesShenyang 110016China Department of Electrical and Computer engineering University of New MexicoAlbuquerqueNM 87131USA College of Harbour and Coastal engineering Jimei UniversityXiamen 361021China

As each cluster head(CH)sensor node is used to aggregate,fuse,and forward data from different sensor nodes in an underwater acoustic sensor network(UASN),guaranteeing the data security in a CH is very *** this paper,a cooperative security monitoring mechanism aided by multiple slave cluster heads(SCHs)is proposed to keep track of the data security of a *** designing a low complexity“equilateral triangle algorithm(ETA)”,the optimal SCHs(named as ETA-based multiple SCHs)are selected from the candidate SCHs so as to improve the dispersion and coverage of SCHs and achieve largescale data security *** addition,by analyzing the entire monitoring process,the close form expression of the probability of the failure attack identification for the SCHs with respect to the probability of attack launched by ordinary nodes is *** simulation results show that the proposed optimal ETA-based multiple SCH cooperation scheme has lower probability of the failure attack identification than that of the existing *** addition,the numerical simulation results are consistent with the theoretical analysis results,thus verifying the effectiveness of the proposed scheme.

关键词： underwater acoustic sensor networks data security cluster head nodes optimal location distribution of multiple slave cluster head nodes

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