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Persistent luminescence encoding for rapid and accurate oral-derived bacteria identification

Chinese Chemical Letters 2025年第1期36卷 459-463页

作者： Chaohui Zheng Jing Xi Shiyi Long Tianpei He Rui Zhao Xinyuan Luo Na Chen Quan Yuan The Second Affiliated Hospital of Fujian Medical university Quanzhou 362000China Renmin Hospital of Wuhan university College of Chemistry and Molecular SciencesInstitute of Molecular MedicineSchool of MicroelectronicsWuhan UniversityWuhan 430072China molecular Science and Biomedicine Laboratory(MBL) State Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical EngineeringHunan UniversityChangsha 410082China

The dysbiosis of oral microbiota contributes to diseases such as periodontitis and certain cancers by triggering the host inflammatory *** methods for the immediate and sensitive identification of oral microorganism is crucial for the rapid diagnosis and early interventions of associated *** methods for microbial detection primarily include the plate culturing,polymerase chain reaction and enzyme-linked immunosorbent assay,which are either time-consuming or ***,we reported a persistent luminescence-encoded multiple-channel optical sensing array and achieved the rapid and accurate identification of oral-derived *** results demonstrate that electrostatic attractions and hydrophobic-hydrophobic interactions dominate the binding of the persistent luminescent nanoprobes to oral microorganisms and the microbial identification process can be finished within 30 ***,a total of 7 oral-derived microorganisms demonstrate their own response patterns and were differentiated by linear discriminant analysis(LDA)with the accuracy up to 100%both in the solution and artificial saliva ***,the persistent luminescence encoded array sensor could also discern the microorganism mixtures with the accuracy up to 100%.The proposed persistent luminescence encoding sensor arrays in this work might offer new ideas for rapid and accurate oralderived microorganism detection,and provide new ways for disease diagnosis associated with microbial metabolism.

关键词： Oral microorganisms Persistent luminescent nanoprobes Optical sensing array Fingerprint physicochemical properties Linear discriminant analysis

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Deciphering fungal metabolon coupling tandem inverse-electrondemand Diels-Alder reaction and semipinacol rearrangement for the biosynthesis of spiro polycyclic alkaloids

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Science China Chemistry 2025年第1期68卷 288-296页

作者： Shuai Liu Wen-Qiang Xu Ying-Tong Di Man-Cheng Tang Ding-Kang Chen Ming-Ming Cao Yao-Wen Chang Hong-Yu Tang Chun-Mao Yuan Jun-Bo Yang Zhi-Li Zuo Han Guo Zi-Fei Xu Ying Zeng Yun-Dong Wu Xiao-Jiang Hao Key Laboratory of Phytochemistry and Natural Medicines(Chinese Academy of sciences) Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China Lab of Computational Chemistry and Drug Design State Key Laboratory of Chemical OncogenomicsPeking University Shenzhen Graduate SchoolShenzhen 518055China Shenzhen Bay Laboratory Shenzhen 518055China university of Chinese Academy of sciences Beijing 100049China State Key Laboratory of microbial Metabolism School of Life Sciences&BiotechnologyShanghai Jiao Tong UniversityShanghai 200240China State Key Laboratory of Functions and Applications of Medicinal Plants Guizhou Medical UniversityGuiyang 550014China molecular Biology Experimental Center Germplasm Bank of Wild Species in Southwest ChinaKunming Institute of BotanyChinese Academy of SciencesKunming 650201China Yunnan Key Laboratory for Wild Plant Resources Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China Research Unit of Chemical Biology of Natural Anti-Virus Products Chinese Academy of Medical SciencesBeijing 100730China

In the intricate process of natural product biosynthesis,a metabolon can enhance metabolic flux by associating sequential enzymes.A fungal metabolon,comprising of flavin-dependent monooxygenase Spe F and P450 monooxygenase Spe G,is identified in the biosynthesis of spiro polycyclic alkaloids(+)-notoamide B and its diastereomer(+)-versicolamide *** notoamide E as a substance,Spe F/Spe G metabolon can control the stereoselectivity of its 2,3-epoxidation,followed by hydrogen atom ion at C-17 to generate reactive epoxide tau-m A with dienyl iminium ***,(+)-notoamide B and(+)-versicolamide B are produced via tandem nonenzymatic inverse-electron-demand Diels-Alder reaction and semipinacol *** provides the first example of metabolon in the biosynthesis of spiro-prenylated indole alkaloids.

关键词： metabolon Diels-Alder reaction semipinacol rearrangement biosynthesis notoamides spiro polycyclic alkaloids

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Highly efficient and selective photocatalytic CO_(2) reduction to CO via molecular engineering of covalent organic framework

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Science China Materials 2025年第1期68卷 165-172页

作者： Wenling Zhao Lei Sun Li Yang Ruiling Zhang Guoqing Ren Sen Wang Hao Wu Xinchen Kang Wei-Qiao Deng Chengcheng Liu Institute of Frontier Chemistry School of Chemistry and Chemical EngineeringShandong UniversityQingdao 266237China Beijing National Laboratory for molecular sciences Key Laboratory of Colloid and Interface and ThermodynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China College of Chemistry Chemical Engineering and Resource UtilizationNortheast Forestry UniversityHarbin 150040China State Key Laboratory of microbial Technology Shandong UniversityQingdao 266200China

Covalent organic frameworks(COFs)are garnering significant interest in photocatalytic CO_(2) ***,their limited efficiency in separating photogenerated carriers and the scarcity of catalytic sites lead to suboptimal photocatalytic *** we develop a molecular engineering approach to design a pyrene-based COF(PyTa-H COF)confined cobalt single atoms photocatalyst(Co SACs)for CO_(2) *** moiety is introduced to enhance visible-light harvesting capability and improve charge separation in the ***,Co SACs enhance the photocatalytic activity by accelerating the migration of photo-induced carriers and reducing the reaction energy of the rate-determining ***,PyTa-H@Co achieves a CO production rate of 18.36 mmol g^(−1) h^(−1) and a selectivity of 94%in 4 h under visible light irradiation,which is comparable to the reported best-performing *** functional theory calculations reveal that the Co SACs greatly stabilize*COOH and significantly reduce the energy of the decisive step,leading to outstanding photocatalytic *** work,through molecular engineering design,highlights the critical relationship between catalyst structure and function in enhancing photocatalytic efficiency.

关键词： photocatalysis CO_(2)reduction covalent organic framework single-atom catalyst

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Enhancing Plant Resilience to Abiotic Stress:The Power of Biostimulants

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Phyton-International Journal of Experimental Botany 2025年第1期94卷 1-31页

作者： Su-Ee Lau Lucas Wei Tze Lim Mohd Fadhli Hamdan Colin Chan Noor Baity Saidi Janna Ong-Abdullah Boon Chin Tan Centre for Research in Biotechnology for Agriculture Universiti MalayaKuala Lumpur50603Malaysia Faculty of Science Universiti MalayaKuala Lumpur50603Malaysia school of Biological sciences Universiti Sains MalaysiaGeorge Town11800Malaysia school of Biology Faculty of Applied SciencesUiTM Shah AlamShah Alam40450Malaysia Department of Biotechnology Faculty of Applied SciencesUCSI UniversityCheras56000Malaysia Department of Cell and molecular Biology Faculty of Biotechnology and Biomolecular SciencesUniversiti Putra MalaysiaSerdang43400Malaysia

Abiotic stresses such as drought,heat,salinity,and heavy metal contamination severely affect global agricultural *** 2005 and 2015,droughts caused losses of approximately USD 29 billion in developing countries,and from 2008 to 2018,droughts accounted for over 34%of crop and livestock yield losses,totaling about USD 37 *** support the growing human population,agricultural output must increase substantially,necessitating a 60%–100%rise in crop productivity to meet the escalating *** address environmental challenges,organic,inorganic,and microbial biostimulants are increasingly employed to enhance plant resilience through various morphological,physiological,and biochemical *** biostimulants enhance plant resilience under abiotic stress through mechanisms such as abscisic acid signaling modulation,which regulates stomatal closure to reduce water loss during drought and heat ***,they aid in scavenging reactive oxygen species and stabilizing ion channels,mitigating oxidative damage,and maintaining ionic balance under stress conditions such as *** review summarizes recent advancements in applying these biostimulants,focusing on their roles in triggering morphological,physiological,biochemical,and molecular changes that collectively enhance plant resilience under stress *** also includes a bibliometric analysis of all articles published on biostimulants from 2019 to 2024 and explores future research *** was placed on optimizing biostimulant formulations and understanding their synergistic effects to maximize their efficacy under various stress *** integrating biostimulants into agricultural practices,we can adopt a sustainable strategy to safeguard crop productivity in the face of climate change and environmental stressors.

关键词： Abiotic stress crop improvement microbial plant growth promoting rhizobacteria protein hydrolysate seaweed

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A review on recent taxonomic updates of gut bacteria associated with social bees,with a curated genomic reference database

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Insect Science 2025年第1期32卷 2-23页

作者： Chengfeng Yang Jiawei Hu Qinzhi Su Zijing Zhang Yating Du Jieni Wang Huihui Sun Benfeng Han Junbo Tang Lizhen Guo Hu Li Wanzhi Cai Hao Zheng Xin Zhou Xue Zhang Department of Entomology College of Plant ProtectionChina Agricultural UniversityBeijingChina Sanya Institute of China Agricultural university Hainan ProvinceChina College of Food Science and Nutritional Engineering China Agricultural UniversityBeijingChina Beijing Laboratory of Biomedical Materials Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijingChina Hebei Key Laboratory of Animal Physiology Biochemistry and Molecular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuangChina

Honeybees and bumblebees play a crucial role as essential *** special gut microbiome of social bees is a key factor in determining the overall fitness and health of the *** bees harbor relatively simple microbial communities at the genus level,recent studies have unveiled significant genetic divergence and variations in gene content within each bacterial ***,a comprehensive and refined genomics-based taxonomic database specific to social bee gut microbiomes remains ***,we first provided an overview of the current knowledge on the distribution and function of social bee gut bacteria,as well as the factors that influence the gut population *** then consolidated all available genomes of the gut bacteria of social bees and refined the species-level taxonomy,by constructing a maximum-likelihood core genome phylogeny and calculating genome-wide pairwise average nucleotide *** the basis of the refined species taxonomy,we constructed a curated genomic reference database,named the bee gut microbe genome sequence database(BGM-GDb).To evaluate the species-profiling performance of the curated BGM-GDb,we retrieved a series of bee gut metagenomic data and inferred the species-level composition using metagenomic intra-species diversity analysis system(MIDAS),and then compared the results with those obtained from a prebuilt MIDAS *** found that compared with the default database,the BGM-GDb excelled in aligned read counts and bacterial ***,this high-resolution and precise genomic reference database will facilitate research in understanding the gut community structure of social bees.

关键词： bacterial species BGM-GDb corbiculate bees gut microbiome phylogeny phylotype

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Single-molecule tracking in living microbial cells

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Biophysics Reports 2025年第01期11卷 1-11页

作者： Xiaomin Chen Qianhong Guo Jiexin Guan Lu Zhang Ting Jiang Liping Xie Jun Fan Institute of Fundamental and Frontier sciences University of Electronic Science and Technology of China school of Life sciences and Engineering Southwest University of Science and Technology school of Life sciences and Technology University of Electronic Science and Technology of China Yangtze Delta Region Institute (Huzhou) University of Electronic Science and Technology of China

Some microbes are referred to as model organisms because they are easy to study in the laboratory and hold the ability to retain their characteristics during DNA replication, DNA transcription, and other fundamental processes. Studying these microbes in living cells via single-molecule imaging allows us to better understand these processes at highly improved spatiotemporal resolution. Single particle tracking photoactivated localization microscopy(sptPALM) is a robust tool for detecting the positions and motions of individual molecules with tens of nanometers of spatial and millisecond temporal resolution in vivo, providing insights into intricate intracellular environments that traditional ensemble methods cannot. With this approach, the fluorophores are photoactivated stochastically, a series of images are recorded, and the positions of fluorophores are identified in these images, and ultimately the locations are linked together to yield trajectories of individual molecules. Quantitative kinetic and spatial information, such as reaction rates, diffusion coefficients, and localization maps, can be obtained by further analysis. Here, we present a single-molecule tracking protocol that includes sample preparation,data acquisition and brief data processing. This protocol will enable researchers to directly unveil molecular and cellular mechanisms underlying the essential biological processes.

关键词： Single-molecule tracking PALM Diffusion coefficients Trajectory Living microbial cells

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Evidence for active generation and seepage of sub-salt natural gas/condensate blend in the east offshore Nile Delta, Egypt: Integrated geochemical, petrophysical and seismic attribute approaches

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Petroleum Science 2025年第1期22卷 130-150页

作者： Mahmoud Leila Ahmed A.Radwan Amir Ismail Emad A.Eysa Geology Department Faculty of Science Mansoura University school of Mining and Geosciences Nazarbayev University Department of Geology Faculty of Science Al-Azhar UniversityAssiut Branch Department of Geology Faculty of Science Helwan University Department of Physical and Environmental sciences Texas A&M University—Corpus Christi Geology Department Faculty of Science Zagazig University

Offshore Nile Delta in Egypt represents an enormous hydrocarbon province with recent projected gas and condensate discoveries of more than 50 trillion cubic feet “TCF”. Most of these occur in the post-salt hydrocarbon plays where biogenic gases are dominant. This study integrates organic geochemistry,seismic geomorphology and petrophysics in order to decipher the origin, and accumulation conditions of the wet gas/condensate blend in the Upper Miocene sub-salt Wakar Formation sandstones in Port Fouad Marine “PFM” Field, offshore Nile Delta. Hydrocarbon pay zones are scattered thin（ 1 w.t.%, hydrogen index“HI” > 200 mg HC/g TOC） and mature(Tmax> 430°C, vitrinite reflectance “VR” > 0.6 %R_o), source rocks are restricted to Upper Miocene Wakar and Oligo-Miocene Tineh formations. The latter contains more mature organofacies（up to 1.2 %R_o） and type II/III kerogen, thereby demonstrating a good capability to generate wet gases. The studied gas is wet and has thermogenic origin with signs of secondary microbial alteration, whereas the condensate contains a mixture of marine and terrestrial input. molecular biomarkers of the condensate, isotopic and molecular composition of the gas reveals a generation of condensate prior to gas expulsion from the source. The Wakar sandstones have a heterogeneous pore system where three reservoir rock types（RRTI, RRTII and RRTIII）. RRTI rocks present the bulk composition of the Wakar pay zones. Spatial distribution of RRTI facies likely control the accumulation of the sub-salt hydrocarbons. Our results provide a new evidence on an active petroleum system in the sub-salt Paleogene successions in the offshore Nile Delta where concomitant generation of ga

关键词： Petrophysical evaluation Source rock Hydrocarbon geochemistry Biomarkers Gas chimneys Rock-typing

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2D phosphides heterostructures on titanium microfiltration membrane for enhanced ampere-level current density overall seawater splitting

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Nano Research 2025年第1期18卷 249-259页

作者： Wenjing Dai Xin Wang Yulong Ma Sisi He Ming Chen Zhaohui Yin Shuheng Tian Maolin Wang Shixiang Yu Hang Zhang Yuanzhe Wang Hong Wang Jianxin Li Faming Gao Bowen Cheng Yun Wang Zhen Yin Ding Ma Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization College of Chemical Engineering and Materials ScienceTianjin University of Science and TechnologyTianjin 300457China State Key Laboratory of Biobased Fiber Manufacturing Technology Tianjin University of Science and TechnologyTianjin 300457China Haian Institute of High-Tech Research Nanjing UniversityHaian 226600China Beijing National Laboratory for molecular sciences College of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China State Key Laboratory of Separation Membranes and Membrane Processes Separation Membrane Science and Technology International Joint Research CentreTiangong UniversityTianjin 300387China Centre for Catalysis and Clean Energy School of Environment and ScienceGold Coast CampusGriffith UniversitySouthportQueensland 4222Australia

The advancement of direct seawater electrolysis is a significant step towards sustainable hydrogen production,addressing the critical need for renewable energy sources and efficient resource ***,direct seawater electrolysis has to face several challenges posed by the corrosiveness of highly concentrated chloride and the competitive chlorine evolution reaction(ClER).To overcome these issues,we designed a novel NiP_(2)@CoP electrocatalyst on a porous titanium microfiltration(Ti MF)*** obtained bifunctional NiP_(2)@CoP catalyst outperforms the Pt/C and IrO_(2),as evidenced by its low overpotentials of 192 and 425 mV at a current density of 500 mA·cm^(-2) for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)in alkaline seawater(1 M KOH+0.5 M NaCl),***,only 231 and 569 mV overpotentials are required at the current density of 1500 mA·cm^(-2) towards HER and OER in alkaline seawater,*** importantly,no ClER was observed,demonstrating its excellent selectivity to *** selection of porous Ti MF membrane as an electrode substrate further enhances the performance by providing a robust structure that promotes the fast generation and release of gas *** promising outcomes obtained with NiP_(2)@CoP catalysts on Ti MF support,therefore,pave the way for the commercial viability of direct seawater electrolysis technologies at industrial-level current densities.

关键词： direct seawater electrolysis porous titanium microfiltration membrane phosphides heterostructures NiP_(2)@CoP electrocatalyst excellent selectivity to oxygen evolution reaction(OER)

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Heavy metal stress strengthens the stability and complexity of microbial molecular ecological networks in Sanyang wetland sediments

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Journal of Oceanology and Limnology 2025年第1期43卷 103-118页

作者： Shengwei WU Huixi ZOU Nan LI Xiufeng YAN Wen LIU College of Life and Environmental Science Wenzhou UniversityWenzhou 325035China Institute for Eco-environmental Research of Sanyang Wetland Wenzhou UniversityWenzhou 325035China Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province School of Environmental&Resource SciencesZhejiang Agriculture and Forestry UniversityHangzhou 311300China

Pollution from heavy metals(HMs)(Cd,As,Cr,and Ni,etc.)has become a serious environmental issue in urban wetland ecosystems with more and more *** studies conducted in agricultural soils,rivers,and lakes demonstrated that microbial communities exhibit a response to HM ***,little is known about the response of microbial communities to HM pollution in urban wetland *** examined how heavy metals affect the stability of the microbial networks in the sediments of Sanyang wetland,Wenzhou,*** environmental parameters,including HMs,TC(total carbon),TN(total nitrogen),TP(total phosphorus),S,and pH,varied profoundly between moderately and heavily polluted areas in shaping microbial ***,the microbial community composition in moderately polluted sites correlated significantly(Pmicrobial networks than those of the moderately polluted *** heavily polluted sites exhibited higher values for various network parameters including total nodes,total links,average degree,average clustering coefficient,connectance,relative modularity,robustness,and ***,the structural equation modeling analysis demonstrated a positive correlation between the stability of microbial networks and Cd,TN,TP,and S in heavily polluted ***,in moderately polluted sites,the correlation was positively linked to Cd,Ni,and sediment *** implies that Cd could potentially play a crucial role in affecting the stability of microbial *** study shall enhance our comprehension of microbial co-occurrence patterns in urban wetland ecosystems and offer insights into the ways in which microbial communities respond to environmental factors in varying levels of HM pollution.

关键词： heavy metal(HM) urban wetland microbial networks network stability

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Skeletal muscle-specific Bambi deletion induces hypertrophy and oxidative switching coupling with adipocyte thermogenesis against metabolic disorders

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Science China Life sciences 2025年

作者： Xiangping Yao Xudong Mai Ye Tian Yifan Liu Guanghui Jin Ze Li Shujie Chen Xiaoshuang Dai Liujing Huang Zijing Fan Guihua Pan Xiaohan Pan Xiangmin Li Michael C Yu Jia Sun Jingxing Ou Hong Chen Liwei Xie College of Life and Health sciences Guangdong Industry Polytechnic Department of Endocrinology and Metabolism Zhujiang Hospital Southern Medical University State Key Laboratory of Applied Microbiology Southern China Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application Guangdong Open Laboratory of Applied MicrobiologyInstitute of Microbiology Guangdong Academy of Sciences Institute of Aging Research Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics School of Medical Technology Guangdong Medical University Department of Hepatic Surgery and Liver transplantation Center of the Third Affiliated Hospital Organ Transplantation Institute Sun Yat-sen University Organ Transplantation Research Center of Guangdong ProvinceGuangdong province engineering laboratory for transplantation medicine Guangdong Provincial Key Laboratory of Liver Disease Research school of Public Health Xinxiang Medical University BGI Institute of Applied Agriculture BGI-Shenzhen Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Department of Biological sciences State University of New York at Buffalo Department of Internal Medicine Shunde Women and Children's Hospital (Maternity and Child Healthcare Hospital of Shunde Foshan) Guangdong Medical University

Skeletal muscle plays a significant role in both local and systemic energy metabolism. The current investigation aims to explore the role of the Bambi gene in skeletal muscle, focusing on its implications for muscle hypertrophy and systemic metabolism. We hypothesize that skeletal muscle-specific deletion of Bambi induces muscle hypertrophy, improves metabolic performance, and activates thermogenic adipocytes via the reprogramming of progenitor of i WAT, offering potential therapeutic strategies for metabolic syndromes. Leveraging the Chromatin immunoprecipitation(ChIP)-seq and bioinformatics analysis, Bambi gene is shown to be a direct target of HIF2α, which is further confirmed by ChIP-qPCR and promoter luciferase assay. Skeletal muscle-specific Bambi deletion led to significant muscle hypertrophy and improved metabolic parameters, even under high-fat diet conditions. This deletion induced metabolic reprogramming of stromal vascular fractions(SVFs) into thermogenic adipocytes, contributing to systemic metabolic improvements, potentially through the secretory ***, mice with skeletal muscle-specific Bambi deletion demonstrate resistance to high-fat diet-induced metabolic disorders, highlighting a potential therapeutic pathway for metabolic syndrome management. Thus, skeletal muscle-specific deletion of Bambi triggers muscle growth, enhances metabolic performance, and activates thermogenic adipocytes. These findings suggest Bambi as a novel therapeutic target for metabolic syndromes, providing new insights into the interaction between muscle hypertrophy and systemic metabolic improvement. The study underscores the potential of manipulating muscle physiology to regulate whole-body metabolism, offering a novel perspective on treating metabolic disorders.

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