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Genetic engineering,including genome editing,for enhancing broad-spectrum disease resistance in crops

Plant Communications 2025年第2期6卷 19-45页

作者： Xinyu Han Shumin Li Qingdong Zeng Peng Sun Dousheng Wu Jianguo Wu Xiao Yu Zhibing Lai Ricky JMilne Zhensheng Kang Kabin Xie Guotian Li National Key Laboratory of Agricultural Microbiology Hubei Hongshan LaboratoryHubei Key Laboratory of Plant PathologyThe Center of Crop NanobiotechnologyHuazhong Agricultural UniversityWuhan 430070China National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural UniversityWuhan 430070China State Key Laboratory for Crop Stress Resistance and High-Efficiency Production College of Plant ProtectionNorthwest A&F UniversityYangling 712100ShaanxiChina Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation College of BiologyHunan UniversityChangsha 410082China State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Vector-borne Virus Research CenterInstitute of Plant VirologyFujian Agriculture and Forestry UniversityFuzhou 350002China National Key Laboratory of Agricultural Microbiology Hubei Key Laboratory of Plant PathologyHubei Hongshan LaboratoryCollege of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China CSIRO Agriculture and Food CanberraACT 2601Australia

Plant diseases,caused by a wide range of pathogens,severely reduce crop yield and quality,posing a significant threat to global food *** broad-spectrum resistance(BSR)in crops is a key strategy for controlling crop diseases and ensuring sustainable crop *** disease-resistance(R)genes and understanding their underlying molecular mechanisms provide new genetic resources and strategies for crop *** genetic engineering and genome editing tools have accelerated the study and engineering of BSR genes in crops,which is the primary focus of this *** first summarize recent advances in understanding the plant immune system,followed by an examination of the molecular mechanisms underlying BSR in ***,we highlight diverse strategies employed to achieve BSR,including gene stacking to combine multiple R genes,multiplexed genome editing of susceptibility genes and promoter regions of executor R genes,editing cis-regulatory elements to fine-tune gene expression,RNA interference,saturation mutagenesis,and precise genomic *** genetic studies and engineering of BSR are accelerating the breeding of disease-resistant cultivars,contributing to crop improvement and enhancing global food security.

关键词： genetic engineering genome editing broad-spectrum resistance knock-in Oryza sativa Triticum aestivum

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Exogenous-organic-matter-driven mobilization of groundwater arsenic

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Environmental Science and Ecotechnology 2023年第3期15卷 106-120页

作者： Fan Feng Yonghai Jiang Yongfeng Jia Xinying Lian Changjian Shang Meng Zhao State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing100012China State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution Chinese Research Academy of Environmental SciencesBeijing100012China College of Water Sciences Beijing Normal UniversityBeijing100875China

The potential release capacity of arsenic(As)from sediment was evaluated under a high level of exogenous organic matter(EOM)with both bioreactive and chemically reactive organic matters(OMs).The OMs were characterized by FI,HIX,BIX,and SUVA254 fluorescence indices showing the biological activities were kept at a high level during the experimental *** the genus level,Fe/Mn/As-reducing bacteria(Geobacter,Pseudomonas,Bacillus,and Clostridium)and bacteria(Paenibacillus,Acidovorax,Delftia,and Sphingomonas)that can participate in metabolic transformation using EOM were *** reducing condition occurs which promoted As,Fe,and Mn releases at very high concentrations of ***,As release increased during the first 15-20 days,followed by a decline contributed by secondary iron *** degree of As release may be limited by the reactivity of Fe(hydro)*** EOM infiltration enhances As and Mn releases in aqueous conditions causing the risk of groundwater pollution,which could occur in specific sites such as landfills,petrochemical sites,and managed aquifer recharge projects.

关键词： Groundwater arsenic Exogenous organic matter Redox condition Secondary pollution risk

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Energy-Efficient Driving Strategy for High-Speed Trains with Considering the Checkpoints

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Chinese Journal of Electronics 2024年第3期33卷 847-858页

作者： Zixuan ZHANG Yuan CAO Shuai SU State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University School of Electronic and Information Engineering Beijing Jiaotong University National Engineering Research Center of Rail Transportation Operation and Control System Beijing Jiaotong University Frontiers Science Center for Smart High-speed Railway System Beijing Jiaotong University

With rising energy prices and concerns about environmental issues,energy-efficient driving strategies(EEDS) for high-speed trains have received a substantial amount of *** particular,energy-saving schemes play a huge role in reducing the energy and operating costs of *** article studies the EEDS of high-speed trains at a given time.A well-posed model is formulated,in which the constraints of the checkpoints,in addition to the speed limits,vehicle dynamics,and discrete control throttle,are first *** a given control sequence,the Karush-Kuhn-Tucker(KKT) conditions are used to obtain the necessary conditions for an *** to several key equations of the necessary conditions,the checkpoint constraints are *** case studies are conducted based on the data of the Beijing-Shanghai high-speed line to illustrate the effectiveness of the proposed approach.

关键词： Energy-efficiency High-speed trains Checkpoints

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Shear mechanical behavior and fracturing path of red sandstone treated by joninted effect of water‑fractures

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International Journal of Coal Science & Technology 2024年第6期11卷 16-28页

作者： Yangyang Li Huicong Zhu Shichuan Zhang Bing Chen Buchu Zhang State Key Laboratory of Mining Disaster Prevention and Control Co‑Founded Shandong University of Science and TechnologyQingdao 266590China College of Energy and Mining Engineering Shandong University of Science and TechnologyQingdao 266590China School of Emergency Management and Safety Engineering China University of Mining and Technology-BeijingBeijing 100083China State Key Laboratory of Water Resource Protection and Utilization in Coal Mining Beijing 102209China School of Civil Engineering Shandong UniversityJinan 250100China

Water content and primary fractures can change the mechanical characteristics of rock,making it easy to induce geological ***,direct shear tests of red sandstone under the action of water-fracture were carried out in this *** results show that shear strength of rock samples with fractures is less than that of intact rock *** the increase of primary fracture dip angle,shear strength and macroscopic crushing area of the rock sample increases first and then decreases with 20°as the *** shows that the primary fractures weaken the shear mechanical properties and change the macroscopic failure *** shear performance of water-bearing rock samples is weaker than that of intact rock samples,and the weakening degree of water-saturated on shear performance of rock samples is lower than that of unsaturated water *** fracture surfaces of rock samples are divided into‘shortest path single through type’,‘longest path single through type’and‘cross path through type’.The failured rock samples are divided into‘single through type’and‘cross through type’.The research results can provide reference for geological disaster management under relevant conditions.

关键词： Water content Shear performance Shear failure Crushing area Fracture path

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AQDS Enhances Degradation of BDE-47 by Promoting Shewanella oneidensis MR-1-mediated Fenton Reaction with Fe(III)-containing Minerals

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Journal of Earth Science 2025年

作者： Yongguang Jiang Siqi Zhu Zhou Jiang Yiran Dong Liang Shi School of Environmental Studies， China University of Geosciences State Key Laboratory of Biogeology and Environmental Geology， China University of Geosciences Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science， China University of Geosciences State Environmental Protection Key Laboratory of Source Apportionment and Control of Aquatic Pollution， Ministry of Ecology and Environment， China University of Geosciences(Wuhan)

Electron shuttles are widespread in the environments and play important role in microbe-mineral interaction. This study investigated the effects of a model electron shuttle (i.e.， anthraquinone-2， 6-disulfonate， AQDS) on Shewanella oneidensis MR-1-mediated Fenton reaction and subsequent degradation of 2， 2′， 4， 4′-tetrabrominated diphenyl ether (BDE-47). Three Fe(III)-containing minerals， namely， ferrihydrite， goethite and nontronite， were used as electron acceptors and Fe(II) sources. With each mineral， additions of 0.01 – 1 mM AQDS in the reactions significantly enhanced Fe(III) reduction by S. oneidensis MR-1 and increased the amounts of Fe(II) produced in anoxic phase. As a result， the amounts of cumulative ·OH formed in oxic phase were increased by 10% – 287%. Regression analysis revealed that ·OH cumulation has significant linear correlation with sorbed Fe(II) but not aqueous and structural Fe(II). This finding may be ascribed to the higher reactivity of sorbed Fe(II) in oxygenation than the latter two types of Fe(II). With more ·OH， the degradation efficiency of BDE-47 was elevated by 31% – 173%. Collectively， AQDS enhances ·OH formation and BDE-47 degradation by promoting production of Fe(II)， particularly sorbed Fe(II) in S. oneidensis MR-1-mediated Fenton reaction with Fe(III)-containing minerals.

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Insight into the microbial community of denitrification process using different solid carbon sources: Not only bacteria

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Journal of Environmental Sciences 2024年第10期144卷 87-99页

作者： Congyu Li Yu Ling Yanjie Zhang Haiyan Wang Huan Wang Guokai Yan Weiyang Dong Yang Chang Liang Duan State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China College of Environmental Science and Engineering Tongji UniversityShanghai 200092China College of Water Sciences Beijing Normal UniversityBeijing 100875China Research Center of Environmental Pollution Control Technology Chinese Research Academy of Environmental ScienceBeijing 100012China State Environmental Protection Key Laboratory of Estuarine and Coastal Environment Chinese Research Academy of Environmental SciencesBeijing 100012China

There is a lack of understanding about the bacterial,fungal and archaeal communities’composition of solid-phase denitrification(SPD)*** investigated four SPD systems with different carbon sources by analyzing microbial gene sequences based on operational taxonomic unit(OTU)and amplicon sequence variant(ASV).The results showed that the corncob-polyvinyl alcohol sodium alginate-polycaprolactone(CPSP,0.86±0.04 mg NO_(3)^(−)-N/(g·day))and corncob(0.85±0.06 mg NO_(3)^(−)-N/(g·day))had better denitrification efficiency than polycaprolactone(PCL,0.29±0.11 mg NO_(3)^(−)-N/(g·day))and polyvinyl alcoholsodium alginate(PVA-SA,0.24±0.07 mg NO_(3)^(−)-N/(g·day)).The bacterial,fungal and archaeal microbial composition was significantly different among carbon source types such as Proteobacteria in PCL(OTU:83.72%,ASV:82.49%)and Rozellomycota in PVA-SA(OTU:71.99%,ASV:81.30%).ASV methods can read more microbial units than that of OTU and exhibit higher alpha diversity and classify some species that had not been identified by OTU such as Nanoarchaeota phylum,unclassified_f_Xanthobacteraceae genus,etc.,indicating ASV may be more conducive to understand SPD microbial *** co-occurring network showed some correlation between the bacteria fungi and archaea species,indicating different species may collaborate in SPD *** KEGG function prediction results were obtained in two bioinformatic methods generally and some fungi and archaea functions should not be ignored in SPD *** results may be beneficial for understanding microbial communities in SPD systems.

关键词： Solid-phase denitrification Solid carbon source Microbial community ASV analysis OTU analysis

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The isolation, identification and efficacy of Bacillus velezensis XF-8 in tomato bacterial wilt control

Advanced Agrochem

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Advanced Agrochem 2025年第1期4卷 59-69页

作者： Xu, Jiawei Jiang, Jiatong Song, Zhiye Hong, Junhuang Zhao, Tongchao Wu, Kaiwen Guo, Xueping Chen, Zhi Guan, Xiong Pan, Xiaohong State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops College of Plant Protection & Key Lab of Biopesticide and Chemical Biology Ministry of Education College of Plant Protection Fujian Agriculture and Forestry University Fujian Fuzhou 350002 China College of Resources and Environment Fujian Agriculture and Forestry University Fujian Fuzhou 350002 China

Tomato bacterial wilt is an important disease caused by Ralstonia solanacearum, which is harmful to the development of tomato industry and seriously affects the yield and quality of tomato. In this study, the strain XF-8 with antagonism against R. solanacearum was isolated from soil and identified as Bacillus velezensis, and its control effect on tomato bacterial wilt was better than that of kasugamycin. The disease index of tomato plants treated with XF-8 was significantly reduced (P < 0.05) in the pot experiment, and the control effect was 74.25 %, which was higher than 45.11 % of kasugamycin treatment group. The antibacterial activity of lipopeptide extract from the fermentation supernatant of strain XF-8 was further verified, and then the inhibitory rate of the substance at the concentration of 1 mg/mL was as high as 96.20 %. The microscopic investigations indicated that the surface of R. solanacearum was wrinkled and deformed after treating with lipopeptide extract, and most of the bacteria were dead and rupture of the cell membrane, which leading to the cell death. Meanwhile, the active oxygen was produced and the lipopeptide extract could also significantly induced DNA injuries of R. solanacearum. All these results confirmed that the isolated strain B. velezensis exhibited excellent effect of preventing and controlling the tomato bacterial wilt. Moreover, XF-8 strain has high inhibitory effect on 10 types of pathogenic fungi, which shows broad-spectrum bacteriostasis. This study provides a theoretical basis and strain resources for the development and application of biopesticides, and broadened the potential biocontrol value of B. velezensis. © 2024 The Authors

关键词： Antimicrobial mechanism Bacillus velezensis Biological control Lipopeptide extract Tomato bacterial wilt

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The impact of water quality on the formation of halogenated benzoquinones and the adsorption efficiency by activated carbon

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Journal of Environmental Sciences 2024年第1期135卷 693-702页

作者： Yongjing Wang Song Gao Xinyu Yan Songtao Wang Ruolin Zhang Yan Zhou Lianhai Ren Cheng Li State Environmental Protection Key Laboratory of Food Chain Pollution Control Beijing Technology and Business UniversityBeijing 100048China Institute of Scientific and Technical Information of China Beijing 100038China Institute of Quality Standard and Testing Technology Beijing Academy of Agriculture and Forestry SciencesBeijing 100097China Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry Beijing Technology and Business UniversityBeijing 100048China

Halogenated benzoquinones(HBQs)could cause bladder cancer,but there were few related studies on the generation and *** this study,the impact of different precursors,pH,bromide concentration,and algae-derived organic matters on the formation of HBQs and the removal efficiency by activated carbon were *** was found that the chlorination of bisphenol A produced the most 2,6-dichloro-1,4-benzoquinone(2,6-DCBQ),reaching 14.86μg/L at 1 hr,followed by tyrosine,2-chlorophenol,P-hydroxybenzoic acid,trichlorophenol,and *** production of 2,6-DCBQ increased first and then decreased from 0 to 36 hr(chlorination doses 0-20 mg/L),indicating that HBQs were unstable in ***(THMs)were detected during chlorination,and the concentration increased with prolongation of reaction time.2,6-DCBQ production decreased and 2,6-dibromo-1,4-benzoquinone(2,6-DBBQ)production increased with increment bromide concentration and the bromide promoted the formation of *** production of 2,6-DCBQ decreased with increase of pH,and the maximum production was 141.38μg/L at pH of *** aeruginosa,Chlorella algae cells,and intracellular organic matters(IOM)could be chlorinated as potential precursors for *** most amount of 2,6-DCBQ was generated from algae cells of Microcystis aeruginosa,followed by Chlorella algae cells,Microcystis aeruginosa IOM,and Chlorella *** study compared the removal efficiency of HBQs by granular activated carbon(GAC)and columnar activated carbon(CAC)under different carbon doses and initial concentrations of *** was found that the removal efficiency by GAC(80.1%)was higher than that by CAC(51.8%),indicating that GAC has better control for HBQs.

关键词： HBQS DBPS Drinking water Algae derived organic matters Activated carbon

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Seasonal changes of chemodiversity along with microbial succession in a municipal wastewater treatment plant

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Journal of Environmental Sciences 2025年第4期150卷 318-331页

作者： Yunwei Cui Junya Zhang Luoyao Wen Jibao Liu Zhineng Hao Chunzhong Wei Yanbo Jiang Yuansong Wei Peihong Shen College of Life Science and Technology Guangxi UniversityNanning 530005China State Key Joint Laboratory of Environmental Simulation and Pollution Control Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Environmental Chemistry and Ecotoxicology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Guangxi Beitou Environmental Protection&Water Group Co. LTD.Nanning 530025China

The relationship between chemodiversity and microbial succession in wastewater treatment plants(WWTPs)is highly intricate and *** specific contribution of the microbial community to changes in the composition of dissolved organic matter(DOM)within different biological treatment units remains unclear,as does the reciprocal influence of DOM composition on microbial *** this study,spectroscopy((Excitationemission matrix)EEM-PARAFAC,Ultraviolet(UV)-spectrum,Fourier transform infrared spectrometer(FT-IR)),Liquid chromatograph mass spectrometer(LC–MS)and Fourier transform ion cyclotron resonance(FT-ICR)MS along with high-throughput sequencing technology were used to explore the relationship between chemodiversity and microbial succession in WWTPs concerning seasonal *** results showed that WWTPs with anaerobic/anoxic/oxic(A2O)processes can metabolize and transformmost of thewastewater DOM,and the anaerobic unit has the highest removal rate for fluorescence DOM(FDOM,14.07%-64.43%);the anaerobic unit increased aliphatic/proteins and lignin-like molecules but decreased relative intensity,while the anoxic unit removed unsaturated hydrocarbons,aromatic structures,and lignin-like *** impact of seasonal changes on the composition and removal of FDOM and DOM in wastewater treatment is significant,and the variations that occur during different seasons affect microbial activity,as well as the production,degradation,and transformation of organic compounds throughout thewastewater treatment *** analysis shows that Parcubacteria_genera_incertae_sedis plays a crucial role in DOM chemodiversity,highlighting the crucial contribution of microbial com-munities to both the structure and operation of the entire DOM *** results in this study could provide some theoretical and practical basis for guiding the process optimiza-tion of WWTPs.

关键词： Wastewater treatment plant Dissolved organic matter Fourier transform ion cyclotron resonance mass spectrometry Chemodiversity Microbial community

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Ground fissure development regularity and formation mechanism of shallow buried coal seam mining with Karst landform in Jiaozi coal mine: a case study

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Journal of Mountain Science 2023年第10期20卷 3101-3120页

作者： ZHU Heng-zhong School of Energy and Mining Engineering Shandong University of Science and TechnologyQingdao 26659oChina State Key Laboratory of Strata Intelligent Control and Green Mining Co-Founded by Shandong Province and the Ministry of Science and Technology Shandong University of Science and TechnologyQingdao 266590China State Key Laboratory of Water Resource Protection and Utilization in Coal Mining Beijing 102209China

A comprehensive study was undertaken at Jiaozi coal mine to investigate the development regularity of ground fissures in shallow buried coal seam mining with Karst landform,shedding light on the development type,geographical distribution,dynamic development process,and failure mechanism of these ground fissures by employing field monitoring,numerical simulation,and theoretical *** findings demonstrate that ground fissure development has an obvious feature of subregion,and its geographical distribution is significantly affected by *** type,open type,and stepped type are three different categories of ground *** fissures emerge dynamically as the panel advances,and they typically develop with a distance of less than periodic weighting step distance in advance of panel advancing *** fissures present the dynamic development feature,temporary fissure has the ability of *** dynamic development process of ground fissure with closed-distance coal seam repeated mining is expounded,and the development scale is a dynamic development stage of“closure→expansion→stabilized”on the basis of the original development *** the perspective of topsoil deformation,the computation model considering two points movement vectors towards two directions of the gob and the ground surface is established,the development criterion considering the critical deformation value of topsoil is *** mechanical model of hinged structure of inclined body is proposed to clarify the ground fissure development,and the interaction between slope activity and ground fissure development is *** research results fulfill the gap of ground fissures about development regularity and formation mechanism,and can contribute to ground fissure prevention and treatment with Karst landform.

关键词： Karst landform Shallow buried coal seam Development regularity Formation mechanism Ground fissure Repeated mining

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