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Streamlined whole-genome genotyping through NGS-enhanced thermal asymmetric interlaced(TAIL)-PCR

Plant Communications 2024年第9期5卷 25-37页

作者： Sheng Zhao Yue Wang Zhenghang Zhu peng chen Wuge Liu Chongrong Wang hong Lu Yong Xiang Yuwen Liu Qian Qian Yuxiao Chang Shenzhen Branch Guangdong Laboratory of Lingnan Modern AgricultureGenome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518120China 2 Guangdong Provincial Key Laboratory of New technology in Rice Breeding Rice Research InstituteGuangdong Academy of Agricultural SciencesGuangzhou 510640China

Whole-genome genotyping(WGG)stands as a pivotal element in genomic-assisted plant ***theless,sequencing-based approaches for WGG continue to be costly,primarily owing to the high expenses associated with library preparation and the laborious *** prior development of foreground and background integrated genotyping by sequencing(FBI-seq),we discovered that any sequence-specific primer(SP)inherently possesses the capability to amplify a massive array of stable and reproducible non-specific PCR products across the ***,we further improved FBI-seq by replacing the adapter ligated by Tn5 transposase with an arbitrary degenerate(AD)*** protocol for the enhanced FBI-seq unexpectedly mirrors a simplified thermal asymmetric interlaced(TAIL)-PCR,a technique that is widely used for isolation of flanking ***,the improved TAIL-PCR maximizes the primer-template mismatched annealing capabilities of both SP and AD *** addition,leveraging of next-generation sequencing enhances the ability of this technique to assay tens of thousands of genome-wide loci for any *** cost-effective,user-friendly,and powerful WGG tool,which we have named TAIL-PCR by sequencing(TAIL-peq),holds great potential for widespread application in breeding programs,thereby facilitating genome-assisted crop improvement.

关键词： whole-genome genotyping primer-template mismatched annealing specific primer arbitrary degenerate primer molecular breeding

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Long-term in vivo chimeric cells tracking in non-human primate

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Protein & Cell 2024年第3期15卷 207-222页

作者： Junmo Wu Yu Kang Xiang Luo Shaoxing Dai Yuxi Shi Zhuoyao Li Zengli Tang Zhenzhen chen Ran Zhu pengpeng Yang Zifan Li hong Wang Xinglong chen Ziyi Zhao Weizhi ji Yuyu Niu State Key Laboratory of Primate Biomedical Research Institute of Primate Translational MedicineKunming University of Science and TechnologyKunming 650500China Yunnan Key Laboratory of Primate Biomedical Research Kunming 650500China Faculty of Life science and technology Kunming University of Science and TechnologyKunming 650500China

Non-human primates(NHPs)are increasingly used in preclinical trials to test the safety and efficacy of biotech-nology ***,given the ethical issues and costs associated with this model,it would be highly advantageous to use NHP cellular models in clinical ***,developing and maintaining the naive state of primate pluripotent stem cells(PSCs)remains difficult as does in vivo detection of PSCs,thus limiting biotech-nology application in the cynomolgus ***,we report a chemically defined,xeno-free culture system for culturing and deriving monkey PSCs in *** cells display global gene expression and genome-wide hypometh-ylation patterns distinct from monkey-primed *** also found expression of signaling pathways components that may increase the potential for chimera *** for biomedical applications,we were also able to integrate bioluminescent reporter genes into monkey PsCs and track them in chimeric embryos in vivo and in *** engineered cells retained embryonic and extra-embryonic developmental ***,we generated a chimeric monkey carrying bioluminescent cells,which were able to track chimeric cells for more than 2 years in living *** study could have broad utility in primate stem cell engineering and in utilizing chimeric monkey models forclinical studies.

关键词： pluripotent stem cells bioluminescence imaging non-human primates

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Balancing electron transfer and intermediate adsorption ability of metallic Ni-Fe-RE-P bifunctional catalysts via 4f-2p-3d electron interaction for enhanced water splitting

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Journal of Energy Chemistry 2024年第7期94卷 458-465页

作者： hong-Rui Zhao cheng-Zong Yuan chenliang Zhou Wenkai Zhao Lunliang Zhang Cong-Hui Li Lei Xin Fuling Wu Shufeng Ye Xiaomeng Zhang Yunfa chen School of Rare Earths University of Science and Technology of ChinaHefei 230026AnhuiChina Jiangxi Province Research institute of Rare Earths Ganjiang Innovation AcademyChinese Academy of SciencesGanzhou 341119JiangxiChina State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China

Balancing electron transfer and intermediate adsorption ability of bifunctional catalysts via tailoring electronic structures is crucial for green hydrogen production,while it still remains challenging due to lacking efficient ***,one efficient and universal strategy is developed to greatly regulate electronic structures of the metallic Ni-Fe-P catalysts via in-situ introducing the rare earth(RE)atoms(Ni-Fe-RE-P,RE=La,Ce,Pr,and Nd).Accordingly,the as-prepared optimal Ni-Fe-Ce-P/CC self-supported bifunctional electrodes exhibited superior electrocatalytic activity and excellent stability with the low overpotentials of 247 and 331 mV at 100 mA cm^(-2) for HER and OER,*** the assembled electrolyzer,the Ni-Fe-Ce-P/CC as bifunctional electrodes displayed low operation potential of 1.49 V to achieve a current density of 10 mA cm^(-2),and the catalytic performance can be maintained for 100 *** results combined with density functional theory(DFT)calculation reveal that Ce doping leads to electron decentralization and crystal structure distortion,which can tailor the band structures and d-band center of Ni-Fe-P,further increasing conductivity and optimizing intermediate adsorption *** work not only proposes a valuable strategy to regulate the electron transfer and intermediate adsorption of electrocatalysts via RE atoms doping,but also provides a deep under-standing of regulation mechanism of metallic electrocatalysts for enhanced water splitting.

关键词： RE atoms Electron transfer Adsorption energy Oxygen evolution Hydrogen evolution

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Unveiling size-fluorescence correlation of organic nanoparticles and its use in nanoparticle size determination

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Aggregate 2024年第1期5卷 331-336页

作者： Wu-Jie Guo Shixiang Ma Hui Wang Lu Qiao Lei chen chenyu hong Bin Liu Xiaoyan Zheng Hui-Qing peng State Key Laboratory of Chemical Resource Engineering Beijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina Key Laboratory of Cluster science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion MaterialsKey Laboratory of Medicinal Molecule Science and Pharmaceutics Engineering of Ministry of Industry and Information TechnologySchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijingChina

Quantitatively establishing the correlation between nanoparticle size and fluorescence is essential for understanding the behavior and functionality of fluorescent nanoparticles(FNPs).However,such exploration focusing on organic FNPs has not been achieved to ***,we employ the use of supramolecular polymeric FNPs prepared from tetraphenylethylene-based bis-ureidopyrimidinone monomers(bis-UPys)to relate the size to the fluorescence of organic *** an equal concentration of bis-UPys,a logarithmic relationship between them is built with a correlation coefficient higher than *** calculations indicate that variations in fluorescence intensity among FNPs of different sizes are attributed to the distinct molecular packing environments at the surface and within the interior of the *** leads to different nonradiative decay rates of the embedded and exposed bis-UPys and thereby changes the overall fluorescence quantum yield of nanoparticles due to their different specific surface *** established fluorescence intensity-size correlation possesses fine universality and reliability,and it is successfully utilized to estimate the sizes of other nanoparticles,including those in highly diluted dispersions of *** work paves a new way for the simple and real-time determination of nanoparticle sizes and offers an attractive paradigm to optimize nanoparticle functionalities by the size effect.

关键词： aggregation-induced emission fluorescence detection fluorescent nanoparticle nanoparticle size supramolecular polymer

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Ionically Imprinting-Based Copper(Ⅱ)Label-Free Detection for Preventing Hearing Loss

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Engineering 2024年第2期33卷 276-282页

作者： Huan Wang Hui Zhang Xiaoli Zhang hong chen Ling Lu Renjie Chai The Eighth Affiliated Hospital Sun Yat-Sen UniversityShenzhen 518033China State Key Laboratory of Digital Medical Engineering Department of Otolaryngology Head and Neck SurgeryZhongda Hospital&Advanced Institute for Life and HealthSoutheast UniversityNanjing 210096China Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging Department of Biomedical EngineeringShenzhen UniversityShenzhen 518060China Department of Otolaryngology Head and Neck Surgery Jiangsu Provincial Key Medical DisciplineNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjing 210008China Co-Innovation Center of Neuroregeneration Nantong UniversityNantong 226001China Department of Otolaryngology Head and Neck Surgery Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610072China institute for Stem Cell and Regeneration Chinese Academy of ScienceBeijing 100101China Beijing Key Laboratory of Neural Regeneration and Repair Capital Medical UniversityBeijing 100069China

Copper is a microelement with important physiological functions in the ***,the excess copper ion(Cu^(2+))may cause severe health problems,such as hair cell apoptosis and the resultant hearing ***,the assay of Cu^(2+)is *** integrate ionic imprinting technology(IIT)and structurally colored hydrogel beads to prepare chitosan-based ionically imprinted hydrogel beads(IIHBs)as a low-cost and high-specificity platform for Cu^(2+)*** IIHBs have a macroporous microstructure,uniform size,vivid structural color,and magnetic *** incubated in solution,IIHBs recognize Cu^(2+)and exhibit a reflective peak change,thereby achieving label-free *** addition,benefiting from the IIT,the IIHBs display good specificity and selectivity and have an imprinting factor of 19.14 at 100μmol·L^(-1).These features indicated that the developed IIHBs are promising candidates for Cu^(2+)detection,particularly for the prevention of hearing loss.

关键词： Structural color microfluidics Ionic imprinting Label-free detection Hearing loss

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Data-driven mapping-relationship mining between hardness and mechanical properties of dual-phase titanium alloys via random forest and statistical analysis

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Rare Metals 2024年第2期43卷 829-841页

作者： Hai-Chao Gong Qun-Bo Fan hong-Mei Zhang Xing-Wang cheng Wen-Qiang Xie Kai chen Lin Yang Jun-Jie Zhang Bing-Qiang Wei Shun Xu School of Materials science and Engineering Beijing Institute of TechnologyBeijing100081China National Key Laboratory of science and technology on Materials Under Shock and Impact Beijing100081China Beijing institute of technology Chongqing Innovation Center Chongqing401135China Department of Mechanical and Materials Engineering University of Nebraska-LincolnLincolnNE68588USA

In order to accelerate the research on the property optimization of titanium alloy based on high-throughput methods,it is necessary to reveal the relationship between hardness and other mechanical properties which is still *** this work,taking Ti20C alloy as research object,almost all the microstructure of dual-phase titanium alloys were covered by traversing over 100 heat treatment ***,massive experiments including microstructure characterization and performance test were conducted,obtaining 51,590 pieces of microstructure data and 3591 pieces of mechanical property ***,based on large-scale data-driven technology,the quantitative mapping relationship between hardness and other mechanical properties was deeply *** results of random forest models showed that the correlation between hardness(H)and Charpy impact energy(A_(k))(or elongation,A)was hardly dependent on the microstructure types,while the relationship between H and tensile strength(R_(m))(or yield strength,R_(p0.2))was highly dependent on microstructure ***,combined with statistical analysis,it was found that the relationship between H and Ak(or A)were negatively ***,the relationship between H and strength was positively linear for equiaxed microstructure,and strength was linked to d^(−1/2)(d,equivalent circle diameter)ofα-grains in the form of classical Hall–Petch formula;but for other microstructures,the relationships were ***,the above rules were nearly the same in the rolling direction and transverse ***,a"four-quadrant partition map"between H and R_(p0.2)/R_(m) was established as a versatile material-screening tool,which can provide guidance for on-demand selection of titanium alloys.

关键词： Dual-phase titanium alloy Data-driven Hardness Mapping relationship

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Regioselective cation exchange reaction for photoelectrochemical water splitting

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Rare Metals 2024年第7期43卷 3400-3407页

作者： Mo-Yan chen Tai-Song Zhang Zhi Yan Jiang-Nan Lv Xiao-Ting Sun Rui-Xia Yang Mark TSwihart Xiao-hong Xu Yang Liu Research institute of Materials science of Shanxi Normal University&Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education Taiyuan 030031China Department of Chemical and Biological Engineering University at Buffalo(SUNY)NY 14260USA Department of Materials science Fudan UniversityShanghai 200433China

Engineering copper sulfide-based heterostructures via cation exchange(CE)is an appealing approach,as it allows selective combination of distinct compositions and functions of metal *** heterostructures can play a significant role in photoelectrochemical applications,but the effect of the ratio between two or more domains in such heterostructures on the photoresponse has not been well explored.

关键词： exchange sulfide splitting

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Host cyclophilin A facilitates SARS-CoV-2 infection by binding and stabilizing spike on virions

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Signal Transduction and Targeted Therapy 2024年第1期9卷 36-39页

作者： Xiangpeng Sheng Fang Zhu hong peng Fan Yang Yi Yang Cong Yang Zhen Wang Wei chen Deyin Guo Ronggui Hu State Key Laboratory of Molecular Biology Center for Excellence in Molecular Cell ScienceShanghai Institute of Biochemistry and Cell BiologyUniversity of Chinese Academy of SciencesChinese Academy of SciencesShanghaiChina MOE Key Laboratory of Tropical Disease Control Centre for Infection and Immunity StudySchool of MedicineSun Yat-sen UniversityShenzhenChina ICU Longhua Hospital Shanghai University of Traditional Chinese MedicineShanghaiChina

Dear Editor,The novel coronavirus SARS-CoV-2 rapidly evolutes to increase its infectivity and transmissibility,facilitates its immune escape,impairs vaccine efficacy,and currently causes repeated infections in human,which is mainly determined by the accumulated mutations in spike(S).1 Transmembrane S is a heavily glycosylated protein on the surface of the virion as homotrimer,responsible for binding to human angiotensin-converting enzyme 2(hACE2)receptor.2 While the architecture of S trimers has been well studied,how the stability of S is regulated by potential host factors remains unknown.

关键词： ACE2 vaccine infection

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Effects of COL1A1 and SYTL2 on inflammatory cell infiltration and poor extracellular matrix remodeling of the vascular wall in thoracic aortic aneurysm

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Chinese Medical Journal 2024年第9期137卷 1105-1114页

作者： Xinsheng Xie Ye Yuan Yulong Huang Xiang hong Shichai hong Gang chen Yihui chen Yue Lin Weifeng Lu Weiguo Fu Lixin Wang Department of Vascular Surgery Zhongshan Hospital(Xiamen)Fudan UniversityXiamenFujian 361015China Department of Vascular Surgery Zhongshan HospitalFudan UniversityShanghai 200032China Vascular Surgery institute of Fudan University Fudan UniversityShanghai 200032China

Background:Thoracic aortic aneurysm(TAA)is a fatal cardiovascular disease,the pathogenesis of which has not yet been *** study aimed to identify and validate the diagnostic markers of TAA to provide a strong theoretical basis for developing new methods to prevent and treat this ***:Gene expression profiles of the GSE9106,GSE26155,and GSE155468 datasets were acquired from the Gene Expression Omnibus(GEO)*** expressed genes(DEGs)were identified using the"limma"package in *** absolute shrinkage and selection operator(LASSO),support vector machine-recursive feature elimination(SVM-RFE),random forest,and binary logistic regression analyses were used to screen the diagnostic marker ***-sample gene set enrichment analysis(ssGSEA)was used to estimate immune cell infiltration in ***:A total of 16 DEGs were *** enrichment and functional correlation analyses showed that DEGs were mainly associated with inflammatory response pathways and collagen-related *** type I alpha 1 chain(COL1A1)and synaptotagmin like 2(SYTL2)were identified as diagnostic marker genes with a high diagnostic value for *** expression of COL1A1 and SYTL2 was considerably higher in TAA vascular wall tissues than in the corresponding normal tissues,and there were significant differences in the infiltration of immune cells between TAA and normal vascular wall ***,COL1A1 and SYTL2 expression were associated with the infiltration of immune cells in the vascular wall ***-cell analysis showed that COL1A1 in TAA was mainly derived from fibroblasts and SYTL2 mainly from cluster of differentiation(CD)8+T *** addition,single-cell analysis indicated that fibroblasts and CD8+T cells in TAA were significantly higher than those in normal arterial wall ***:COL1A1 and SYTL2 may serve as diagnostic marker genes for *** upregulation of SYTL2 and COL1A1 may be involved in the inflammat

关键词： Bioinformatics Thoracic aortic aneurysm Immune response Single cell analysis Machine learning

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Storage and redistribution of anthropogenic CO_(2) in the western North Pacific:The role of subtropical mode water transportation

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Fundamental Research 2024年第1期4卷 103-112页

作者： cheng-long Li Lei Han Wei-dong Zhai Di Qi Xu-chen Wang hong-mei Lin Li-wen Zheng institute of Marine science and technology Shandong UniversityQingdao 266237China china-ASEAN College of Marine science and technology Xiamen University MalaysiaSelangorMalaysia Southern Marine science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519080China Polar and Marine Research institute Jimei UniversityXiamen 361021China Key Laboratory of Marine Chemistry Theory and technology and Frontiers Science Center for Deep Ocean Multispheres and Earth SystemMinistry of EducationOcean University of ChinaQingdao 266100China Center for Isotope Geochemistry and Geochronology Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China Weihai institute of Marine Ecology and Economy Research Weihai 264400China

Oceanic uptake and storage of anthropogenic CO_(2)(CANT)are regulated by ocean circulation and *** decipher the storage and redistribution of CANT in the western North Pacific,where a major CANT sink develops,we investigated the water column carbonate system,dissolved inorganic radiocarbon and ancillary parameters in May and August 2018,spanning the Kuroshio Extension(KE,35-39°N),Kuroshio Recirculation(KR,27-35°N)and subtropical(21-27°N)*** column CANT inventories were estimated to be 40.5±1.1 mol m^(-2) in the KR zone and 37.2±0.9 mol m^(-2) in the subtropical *** comparison with historical data obtained in 2005,relatively high rates of increase of the CANT inventory of 1.05±0.20 and 1.03±0.12 mol m^(-2) yr^(-1) in the recent decade were obtained in the KR and subtropical zones,*** water-mass-based analyses suggest that formation and transport of subtropical mode water dominate the deep penetration,storage,and redistribution of CANT in those two *** the KE zone,however,both the water column CANT inventory and the decadal CANT accumulation rate were small and uncertain owing to the dynamic hydrology,where the naturally uplifting isopycnal surfaces make CANT penetration relatively *** findings of this study improve the understanding of the spatiotemporal variations of CANT distribution,storage,and transport in the western North Pacific.

关键词： Oceanic CO_(2)uptake Anthropogenic CO_(2)storage Subtropical mode water Kuroshio extension Kuroshio recirculation Western North Pacific

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