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Chromosome-level genome assembly of the glass catfish(Kryptopterus vitreolus)reveals molecular clues to its transparent phenotype

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Zoological Research 2024年第5期45卷 1027-1036页

作者： Chao Bian Rui-Han Li zhi-Qiang Ruan Wei-Ting Chen Yu Huang Li-Yue Liu Hong-Ling Zhou Cheong-Meng Chong Xi-dong Mu Qiong Shi Laboratory of Aquatic Genomics College of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdong 518057China Key Laboratory of Prevention and Control for Aquatic Invasive Alien Species Ministry of Agriculture and Rural AffairsGuangdong Modern.Recreational Fisheries Engineering Technology CenterPearl River Fisheries Research InstituteChinese Academy of Fishery SciencesGuangzhouGuangdong 510380China Shenzhen Key Lab of Marine Genomics Guangdong Provincial Key Lab of Molecular Breeding in Marine Economic AnimalsBGI Academy of Marine SciencesBGI MarineShenzhenGuangdong 518081China CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization&Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of BiologyChinese Academy of SciencesChengduSichuan 610041China School of Life Sciences Jiaying UniversityMeizhouGuangdong 514015China China Zebrafish Resource Center National Aquatic Biological Resource CenterState Key Laboratory of Freshwater Ecology and BiotechnologyInstitute of HydrobiologyChinese Academy of ScienceWuhanHubei 430072China Shenzhen Branch Guangdong Laboratory for Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhenGuangdong 518116China State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoMacaoMacao 999078China Center for Aquatic Genomics College of Life SciencesNeijiang Normal UniversityNeijiangSichuan 641100China

Glass catfish(Kryptopterus vitreolus)are notable in the aquarium trade for their highly transparent body *** transparency is due to the loss of most reflective iridophores and light-absorbing melanophores in the main body,although certain black and silver pigments remain in the face and *** date,however,the molecular mechanisms underlying this transparent phenotype remain largely *** explore the genetic basis of this transparency,we constructed a chromosome-level haplotypic genome assembly for the glass catfish,encompassing 32 chromosomes and 23344 protein-coding genes,using PacBio and Hi-C sequencing technologies and standard assembly and annotation *** revealed a premature stop codon in the putative albinism-related tyrp1b gene,encoding tyrosinase-related protein 1,rendering it a nonfunctional ***,a synteny comparison with over 30 other fish species identified the loss of the endothelin-3(edn3b)gene in the glass catfish *** investigate the role of edn3b,we generated edn3b^(−/−)mutant zebrafish,which exhibited a remarkable reduction in black pigments in body surface stripes compared to wild-type *** findings indicate that edn3b loss contributes to the transparent phenotype of the glass *** high-quality chromosome-scale genome assembly and identification of key genes provide important molecular insights into the transparent phenotype of glass *** findings not only enhance our understanding of the molecular mechanisms underlying transparency in glass catfish,but also offer a valuable genetic resource for further research on pigmentation in various animal species.

关键词： Glass catfish Whole-genome sequencing edn3b−/−mutant Transparent phenotype

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Combining prognostic value of serum carbohydrate antigen 19-9 and tumor size reduction ratio in pancreatic ductal adenocarcinoma

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 798-809页

作者： dong-Qin Xia Yong Zhou Shuang Yang Fang-Fei Li Li-Ya Tian Yan-Hua Li Hai-Yan Xu Cai-zhi Xiao Wei Wang Oncology Treatment Center of Traditional Chinese Medicine Chongqing University Cancer HospitalChongqing 400030China Department of Oncology Chongqing Weisiteng Biotech Translational Research InstituteChongqing 430039China Chongqing Key Laboratory on Big Data for Bio Intelligence Chongqing University of Posts and TelecommunicationsChongqing 430065China

BACKGROUND Pancreatic ductal adenocarcinoma(PDAC)is a common cancer with increasing morbidity and mortality due to changes of social *** To evaluate the significance of serum carbohydrate antigen 19-9(CA19-9)and tumor size changes pre-and post-neoadjuvant therapy(NAT).METHODS This retrospective study was conducted at the Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment,Chongqing University Cancer *** study specifically assessed CA19-9 levels and tumor size before and after *** A total of 156 patients who completed NAT and subsequently underwent tumor resection were included in this *** average age was 65.4±10.6 years and 72(46.2%)patients were *** survival analysis,we defined the post-NAT serum CA19-9 level/pre-NAT serum CA19-9 level as the CA19-9 ratio(CR).The patients were divided into three groups:CR0.5 and*** regard to tumor size measured by both computed tomography and magnetic resonance imaging,we defined the post-NAT tumor size/pre-NAT tumor size as the tumor size ratio(TR).The patients were then divided into three groups:TR0.5 and*** on these groups divided according to CR and TR,we performed both overall survival(OS)and disease-free survival(DFS)***-rank tests showed that both OS and DFS were significantly different among the groups according to CR and TR(P<0.05).CR and TR after NAT were associated with increased odds of achieving a complete or near-complete pathologic ***,CR(hazard ratio:1.721,95%CI:1.373-3.762;P=0.006),and TR(hazard ratio:1.435,95%CI:1.275-4.363;P=0.014)were identified as independent factors associated with *** This study demonstrated that post-NAT serum CA19-9 level/pre-NAT serum CA19-9 level and post-NAT tumor size/pre-NAT tumor size were independent factors associated with OS in patients with PDAC who received NAT and subsequent surgical resection.

关键词： Pancreatic ductal adenocarcinoma Carbohydrate antigen 19-9 Tumor size Pathologic response Biomarkers

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CALD1 facilitates epithelial-mesenchymal transition progression in gastric cancer cells by modulating the PI3K-Akt pathway

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 1029-1045页

作者： Wen-Qian Ma Ming-Chang Miao Ping-An Ding Bi-Bo Tan Wen-Bo Liu Shuo Guo Li-Mian Er zhi-dong Zhang Qun Zhao Department of Endoscopy The Fourth Hospital of Hebei Medical UniversityShijiazhuang 050011Hebei ProvinceChina Hebei Key Laboratory of Precision Diagnosis and Comprehensive Treatment of Gastric Cancer Shijiazhuang 050011Hebei ProvinceChina Department of Radiotherapy The Fourth Hospital of Hebei Medical UniversityShijiazhuang 050011Hebei ProvinceChina The Third Department of Surgery The Fourth Hospital of Hebei Medical UniversityShijiazhuang 050011Hebei ProvinceChina

BACKGROUND CALD1 has been discovered to be abnormally expressed in a variety of malignant tumors,including gastric cancer(GC),and is associated with tumor progression and immune infiltration;however,the roles and mechanisms of CALD1 in epithe-lial-mesenchymal transition(EMT)in GC are *** To investigate the role and mechanism of CALD1 in GC progression,invasion,and *** In this study,the relationship between CALD1 and GC,as well as the possible network regulatory mechanisms of CALD1,was investigated by bioinformatics and validated by ***1-siRNA was synthesized and used to trans-fect GC *** activity was measured using the CCK-8 method,cell migration and invasive ability were measured using wound healing assay and Transwell assay,and the expression levels of relevant genes and proteins in each group of cells were measured using qRT-PCR and Western blot.A GC cell xenograft model RESULTS Bioinformatics results showed that CALD1 was highly expressed in GC tissues,and CALD1 was significantly higher in EMT-type GC tissues than in tissues of other types of *** prognosis of patients with high expression of CALD1 was worse than that of patients with low expression,and a prognostic model was constructed and *** experimental results were consistent with the results of the bioinformatics *** expression level of CALD1 in GC cell lines was all higher than that in gastric epithelial cell line GES-1,with the strongest expression found in AGS and MKN45 *** activity was significantly reduced after CALD1-siRNA trans-fection of AGS and MKN45 *** ability of AGS and MKN45 cells to migrate and invade was reduced after CALD1-siRNA transfection,and the related mRNA and protein expression was *** to bioinfor-matics findings in GC samples,the CALD1 gene was significantly associated with the expression of members of the PI3K-AKT-mTOR signaling pathway as well as the EMT signaling pathway,and was closely rel

关键词： Gastric tumor CALD1 Epithelial-mesenchymal transition Gene disruption Invasion Migration Bioinformatics

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Profound loss of microbial necromass carbon in permafrost thaw-subsidence in the central Tibetan Plateau

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Advances in Climate Change Research 2024年第4期15卷 647-657页

作者： Wen-Ting ZHOU Quan-Lian LI Shi-Chang KANG Xiao-dong WU Tian MA Xiao-Bo WU Xin xiong Tanuj SHUKLA Maheswar RUPAKHETI Dipesh RUPAKHETI Da-He QIN Xiu-Feng YIN Cryosphere Research Station on the Qinghai-Tibet Plateau State Key Laboratory of Cryospheric ScienceNorthwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China Key Laboratory of Cryospheric Science and Frozen Soil Engineering Norhwest Instiute of Eco-Evironment and ResourcesChinese Academy of Scienes Lanzhou 730000China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems and College of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou730020China Lushan Botanical Garden Chinese Academy of SciencesJiujiang 332900China Research Institute for Sustainability-Helmholtz Centre Potsdam Potsdam 14467Germany Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing 210044China

Climate warming is causing rapid permafrost degradation,including thaw-induced subsidence,potentially resulting in heightened carbon ***,our understanding of the levels and variations of carbon components in permafrost,particularly during the degradation process,remains *** uncertainties arising from this process lead to inaccurate assessments of the climate effects during permafrost *** vast expanses of permafrost in the Tibetan Plateau,there is limited research available on SOC components,particularly in the central Tibetan *** remarkable variations in hydrothermal conditions across different areas of the Tibetan Plateau,the existing limited studies make it challenging to assess the overall SOC components in the permafrost across the Tibetan Plateau and simulate their future *** this study,we examined the properties of soil organic carbon(SOC)and microbial necromass carbon(MicrobialNC)in a representative permafrost thaw-subsidence area at the southern edge of continuous permafrost in the central Tibetan *** results indicate that prior to the thaw-subsidence,the permafrost had a SOC content of 72.68±18.53 mg g^(-1),with MicrobialNC accounting for 49.6%.The thaw-subsidence of permafrost led to a 56.4%reduction in SOC,with MicrobialNC accounting for 70.0%of the lost *** constitutes the primary component of permafrost SOC,and it is the main component that is lost during thaw-subsidence *** in MicrobialNC are primarily correlated with factors pH,plant input,and microbial *** present study holds crucial implications for both the ecological and biogeochemical processes associated with carbon release from permafrost,and it furnishes essential data necessary for modeling the global response of permafrost to climate *** on this study and previous research,permafrost thawing in the Tibetan Plateau causes substantial loss of ***,there's remarkable heterogeneit

关键词： Tibetan Plateau Thaw-subsidence Soil organic carbon Microbial necromass carbon Amino sugars

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Developing a diagnostic model for predicting prostate cancer: a retrospective study based on Chinese multicenter clinical data

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Asian Journal of Andrology 2024年第1期26卷 34-40页

作者： Chang-Ming Wang Lei Yuan Xue-Han Liu Shu-Qiu Chen Hai-Feng Wang Qi-Fei dong Bin Zhang Ming-Shuo Huang zhi-Yong Zhang Jun Xiao Tao Tao Department of Urology The First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230001China Department of Radiology The First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230001China Core Facility Center for Medical Sciences The First Affiliated Hospital of USTcDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230001China Department of Urology Affiliated Zhongda Hospital of Southeast UniversityNanjing 210009China Department of Urology Shanghai East HospitalTongji University School of MedicineShanghai 200120China Department of Urology Shanghai Changhai HospitalSecond Military Medical UniversityShanghai 200000China Department of Urology Affiliated Anhui Provincial Hospital of Anhui Medical UniversityHefei 230001China

The overdiagnosis of prostate cancer(PCa)caused by nonspecific elevation serum prostate-specific antigen(PSA)and the overtreatment of indolent PCa have become a global problem that needs to be solved *** aimed to construct a prediction model and provide a risk stratification system to reduce unnecessary *** this retrospective study,clinical data of 1807 patients from three Chinese hospitals were *** final model was built using stepwise logistic regression *** apparent performance of the model was assessed by receiver operating characteristic curves,calibration plots,and decision curve ***,a risk stratification system of clinically significant prostate cancer(csPCa)was created,and diagnosis-free survival analyses were *** multivariable screening and evaluation of the diagnostic performances,a final diagnostic model comprised of the PSA density and Prostate Imaging-Reporting and Data System(PI-RADS)score was *** validation in the development cohort and two external cohorts showed excellent discrimination and ***,we created a risk stratification system using risk thresholds of 0.05 and 0.60 as the cut-off *** follow-up results indicated that the diagnosis-free survival rate for csPCa at 12 months and 24 months postoperatively was 99.7%and 99.4%,respectively,for patients with a risk threshold below O.05 after the initial negative prostate biopsy,which was significantly better than patients with higher *** diagnostic model and risk stratification system can achieve a personalized risk calculation of *** provides a standardized tool for Chinese patients and physicians when considering thenecessity of prostatebiopsy.

关键词： nomogram prostate biopsy prostate cancer Prostate Imaging-Reporting and Data System prostate-specific antigen density

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基于自适应UKF的卫星星座自主导航方法

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北京航空航天大学学报 2024年第8期50卷 2655-2666页

作者：王栋杨静熊凯北京航空航天大学自动化科学与电气工程学院北京100191 北京控制工程研究所空间智能控制技术重点实验室北京100094

针对卫星星座自主导航系统中存在的模型不确定性及难以准确获取的时变系统噪声统计特性影响导航精度的问题,提出了一种系统噪声在线自适应调整的UKF算法。基于所提出的自适应UKF算法设计了一种基于星间相对测量的卫星星座自主导航方法,... 详细信息

针对卫星星座自主导航系统中存在的模型不确定性及难以准确获取的时变系统噪声统计特性影响导航精度的问题,提出了一种系统噪声在线自适应调整的UKF算法。基于所提出的自适应UKF算法设计了一种基于星间相对测量的卫星星座自主导航方法,该方法结合奇异值分解和比例修正的采样策略,解决了应用UKF时易出现状态误差方差阵丧失正定性而导致的Cholesky分解无法进行的问题。通过在低轨区域星座和中轨全球星座上的仿真实验,验证了该算法在提高滤波精度以及改善状态估计置信度方面的有效性,所提算法的定轨精度优于EKF算法、自适应EKF算法以及基于对称采样策略的UKF算法。采用CRLB分析法对导航算法的估计性能进行了分析验证。

关键词：星座自主导航 EKF UKF 自适应滤波 CRLB

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Millisecond dynamics of colloidal suspension studied by X-ray photon correlation spectroscopy at the Shanghai Synchrotron Radiation Facility

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Nuclear Science and Techniques 2024年第1期35卷 1-9页

作者： Chen-Hui Cui Zi-Mu Zhou Lin-Feng Wei Song-Lin Li Feng Tian Xiu-Hong Li zhi Guo Yi-Hui Xu Huai-dong Jiang Ren-Zhong Tai Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201204China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Center for Transformative Science ShanghaiTech UniversityShanghai 201210China

X-ray photon correlation spectroscopy(XPCS)has emerged as a powerful tool for probing the nanoscale dynamics of soft condensed matter and strongly correlated materials owing to its high spatial resolution and penetration *** technique requires high brilliance and beam coherence,which are not directly available at modern synchrotron beamlines in *** facilitate future XPCS experiments,we modified the optical setup of the newly commissioned BL10U1 USAXS beamline at the Shanghai Synchrotron Radiation Facility(SSRF).Subsequently,we performed XPCS measurements on silica suspensions in glycerol,which were opaque owing to their high *** were collected using a high frame rate area detector.A comprehensive analysis was performed,yielding correlation functions and several key dynamic *** the results were consistent with the theory of Brownian motion and demonstrated the feasibility of XPCS at ***,by carefully optimizing the setup and analyzing the algorithms,we achieved a time resolution of 2 ms,which enabled the characterization of millisecond dynamics in opaque systems.

关键词： XPCS SSRF Silica suspension Glycerol Brownian motion Millisecond dynamics

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Heterophase junction engineering-induced Co spin-state modulation of CoSe_(2) for large-current hydrogen evolution reaction

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Rare Metals 2024年第6期43卷 2660-2670页

作者： Bao-Chai Xu Ya-Ping Miao Min-Qin Mao dong-Lian Li Song Xie Wei-Hong Jin Shu Xiao Jing Wen Zaenab Abd-Allah zhi-Tian Liu Xiang Peng Paul K.Chu Hubei Key Laboratory of Plasma Chemistry and Advanced Materials School of Materials Science and EngineeringWuhan Institute of TechnologyWuhan 430205China School of Textile Science and Engineering Xi'an Polytechnic UniversityXi'an 710048China Institute of Advanced Wear and Corrosion Resistant and Functional Materials Jinan UniversityGuangzhou 510632China Institute of Safety Science and Engineering South China University of TechnologyGuangzhou 510641China Department of Engineering Manchester Metropolitan UniversityManchester M156BHUK Department of Physics Department of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong Kong 999077China

Efficient electrocatalysts are vital to large-current hydrogen production in commercial water splitting for green energy ***,a novel heterophase engineering strategy is described to produce polymorphic CoSe_(2)*** composition of the electrocatalysts consisting of both cubic CoSe_(2)(c-CoSe_(2))and orthorhombic CoSe_(2)(o-CoSe_(2))phases can be controlled *** results demonstrate that junction-induced spin-state modulation of Co atoms enhances the adsorption of intermediates and accelerates charge transfer resulting in superior large-current hydrogen evolution reaction(HER)***,the CoSe_(2)based heterophase catalyst with the optimal c-CoSe_(2)content requires an overpotential of merely 240 mV to achieve 1,000 mA·cm^(-2)as well as a Tafel slope of 50.4 mV·dec^(-1).Furthermore,the electrocatalyst can maintain a large current density of 1,500 mA·cm^(-2)for over 320 h without *** results reveal the advantages and potential of heterophase junction engineering pertaining to design and fabrication of low-cost transition metal catalysts for large-current water splitting.

关键词： Heterophase junction Spin-state Hydrogen evolution reaction Large current electrochemical hydrogen production Water splitting

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A study on the application of diffuse axonal multi-axis general evaluation for braininjury assessment in small overlap barrier crash test

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Chinese Journal of Traumatology 2024年第4期27卷 200-210页

作者： zhi Fu Yi Chang Tao xiong Wen-Kai Gao Kui Li Yu Liu China Automotive Engineering Research Institute Co. Ltd.Chongqing401122China Chongqing University of Technology Chongqing400054China Chongqing Key Laboratory of Vehicle Crash/Bio-Impact and Traffic Safety Chongqing400042China College of Medical Informatics Chongqing Medical UniversityChongqing400016China

Purpose:Head injury criterion(HIC)companied by a rotation-based metric was widely believed to behelpful for head injury prediction in road traffic ***,the Euro-New Car AssessmentProgram utilized a newly developed metric called diffuse axonal multi-axis general evaluation(DAMAGE)to explain test device for human occupant restraint(THOR)head injury,which demonstratedexcellent ability in capturing concussions and diffuse axonal ***,there is still a lack ofcomprehensive understanding regarding the effectiveness of using DAMAGE for Hybrid III 50thpercentile male dummy(H50th)head injury *** objective of this study is to determinewhether the DAMAGE could capture the risk of H50th brain injury during small overlap barrier ***:To achieve this objective,a total of 24 vehicle crash loading curves were collected as input datafor the multi-body *** commercially available mathematical dynamic models,namelyH50th and THOR,were utilized to investigate the differences in head injury ***,adecision method known as simple additive weighting was employed to establish a comprehensive braininjury metric by incorporating the weighted HIC and either DAMAGE or brain injury ***,35 sets of vehicle crash test data were used to analyze these brain injury ***:The rotational displacement of the THOR head is significantly greater than that of the *** maximum linear and rotational head accelerations experienced by H50th and THOR modelswere(544.6±341.7)m/s^(2),(2468.2±1309.4)rad/s^(2) and(715.2±332.8)m/s^(2),(3778.7±1660.6)rad/s^(2),*** the same loading condition during small overlap barrier(SOB)tests,THOR exhibits ahigher risk of head injury compared to the H50th *** was observed that the overall head injuryresponse during the small overlap left test condition is greater than that during the small overlap ***,an equation was formulated to establis

关键词： Diffuse axonal multi-axis general evaluation Head injury criterion Head injury assessment Small overlap barrier Biomechanical response

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新质生产力生态内涵的政治经济学分析

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经济学家 2024年第7期 5-14页

作者：陈智雄北京大学习近平新时代中国特色社会主义思想研究院

新质生产力的生态内涵体现了马克思生产力理论与习近平生态经济思想的高度融合。马克思生产力理论从生产过程、自然力、资本逻辑三个层次阐释其生态学意蕴。从生产过程来看,新质生产力内涵着自然的人化和人的自然化的对立统一。从自然... 详细信息

新质生产力的生态内涵体现了马克思生产力理论与习近平生态经济思想的高度融合。马克思生产力理论从生产过程、自然力、资本逻辑三个层次阐释其生态学意蕴。从生产过程来看,新质生产力内涵着自然的人化和人的自然化的对立统一。从自然力视角来看,新质生产力内涵着人类文明演进史和生态文明演进史的相辅相成。从资本逻辑来看,新质生产力内涵着对资本主义生产方式反生态性的根本否定。基于政治经济学视角,新质生产力的生态内涵可以从理论、价值、技术、制度四个维度加以阐释。理论维度上,新质生产力体现了习近平生态经济思想对马克思生产力理论的拓展。价值维度上,新质生产力体现了人与自然生命共同体对人民至上理念的关照。技术维度上,新质生产力体现了科学技术对绿色生产生活方式的赋能。制度维度上,新质生产力体现了社会主义基本经济制度对资本逻辑的破除。

关键词：新质生产力生态政治经济学自然力绿色生产

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