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A viral movement protein targets host catalases for 26S proteasome-mediated degradation to facilitate viral infection and aphid transmission in wheat

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Molecular plant 2024年第4期17卷 614-630页

作者： Shuyuan Tian Qingting Song Wenmei Zhou Jingke Wang Yanbin Wang Wei An Yunfeng Wu Lei Zhao State Key Laboratory for Crop Stress Resistance and High-Efficiency production College of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau Ministry of Agriculture and Rural AffairsCollege of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi 712100China Key Laboratory of plant Protection Resources and Pest Management Ministry of EducationCollege of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi 712100China

The infection of host plants by many different viruses causes reactive oxygen species(Ros)accumulation and yellowing symptoms,but the mechanisms through which plant viruses counteract RoS-mediated immunity to facilitate infection and symptom development have not been fully *** plant viruses are transmitted by insect vectors in the field,but the molecular mechanisms underlying virus-host-insect interactions are *** this study,we investigated the interactions among wheat,barley yellow dwarf virus(BYDV),and its aphid vector and found that the BYDV movement protein(MP)interacts with both wheat catalases(CATs)and the 26S proteasomeubiquitin receptor non-ATPase regulatorysubunit2homolog(PSMD2)to facilitate the 26S proteasome-mediateddegradation of CATs,promotingviral infection,disease symptom development,and aphid *** of the BYDV MP gene in wheat enhanced the degradation of CATs,which leading to increased accumulation of ROS and thereby enhanced viral ***,transgenic wheat lines overexpressing BYDV MP showed significantly reduced proliferation of wingless aphids and an increased number of winged *** with this observation,silencing of CAT genes also enhanced viral accumulation and reduced the proliferation of wingless aphids but increased the occurrence of winged *** contrast,transgenic wheat plants overexpressing TaCAT1 exhibited the opposite changes and showed increases in grain size and weight upon infection with *** assays demonstrated that BYDV MP interacts with PSMD2 and promotes 26S proteasome-mediated degradation of TaCAT1 likely in a ubiquitination-independent ***,our study reveals a molecular mechanism by which a plant virus manipulates the Ros production system of host plants to facilitate viral infection and transmission,shedding new light on the sophisticated interactions among viruses,host plants,and insect vectors.

关键词： babarley yellow dwarf virus movement protein reactive oxygen species aphid catalase 26S proteasomeubiquitin receptor PSMD2

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Disruption of non-classically secreted protein(MoMtp)compromised conidiation,stress homeostasis,and pathogenesis of Magnaporthe oryzae

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Journal of Integrative Agriculture 2024年第8期23卷 2686-2702页

作者： Wajjiha Batool Justice Norvienyeku Wei Yi Zonghua Wang Shihong Zhang Lili Lin Key Laboratory for Extreme-Environmental Microbiology College of Plant ProtectionShenyang Agricultural UniversityShenyang 110866China Ministerial and Provincial Joint Innovation Center for Safety production of Cross-Strait Crops College of Life ScienceFujian Agriculture and Forestry UniversityFuzhou 350002China Key Laboratory of Green Prevention and Control of Tropical plant Diseases and Pests College of Plant ProtectionHainan UniversityHaikou 570288China

Blast disease,caused by the hemibiotrophic ascomycete fungus,Magnaporthe oryzae,is a significant threat to sustainable rice production *** have shown that the blast fungus secretes vast arrays of functionally diverse proteins into the host cell for a successful disease ***,the final destinations of these effector proteins inside the host cell and their role in advancing fungal pathogenesis remain a ***,we reported that a putative mitochondrial targeting non-classically secreted protein(MoMtp)positively regulates conidiogenesis and appressorium maturation in ***,MoM TP gene deletion mutant strains triggered a hypersensitive response when inoculated on rice leaves displaying that MoMtp is essential for the virulence of *** addition,cell wall and oxidative stress results indicated that MoMtp is likely involved in the maintenance of the structural integrity of the fungus *** study also demonstrates an upregulation in the expression pattern of the MoMTP gene at all stages of infection,indicating its possible regulatory role in host invasion and the infectious development of ***,Agrobacterium infiltration and sheath inoculation confirmed that MoMtpGFP protein is predominantly localized in the host mitochondria of tobacco leaf and rice *** together,we conclude that MoMtp protein likely promotes the normal conidiation and pathogenesis of *** and might have a role in disturbing the proper functioning of the host mitochondria during pathogen invasion.

关键词： plant–pathogen interactions effectors hypersensitive response pathogenesis mitochondria

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Horizontal well spacing optimization and gas injection simulation for the ultra-low-permeability Yongjin reservoir

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Energy Geoscience 2024年第1期5卷 196-203页

作者： Yao Zhang Chengyuan Lv Zengmin Lun Shuxia Zhao Yingfu He Ran Gao SINOPEC Exploration and production Research Institute BeijingChina

Optimal spacing for vertical wells can be effectively predicted with several published methods,but methods suitable for assessing the proper horizontal well spacing are *** work proposes a method for calculating the optimal horizontal well spacing for an ultra-low permeability reservoir e the Yongjin reservoir in the Juggar Basin,northwestern *** result shows that a spacing of 640m is the most economical for the development of the *** better develop the reservoir,simulation approaches are used and a new model is built based on the calculated well *** the reservoir has an ultralow permeability,gas injection is regarded as the preferred enhanced oil recovery(EOR)*** of different gases including carbon dioxide,methane,nitrogen and mixed gas are *** results show that carbon dioxide injection is the most efficient and economical for the development of the ***,if the reservoir produces enough methane,reinjecting methane is even better than injecting carbon dioxide.

关键词： Ultra-low-permeability reservoir Well spacing optimization Numerical simulation Gas injection EOR

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Influence of High-Density Bedding Plane Characteristics on Hydraulic Fracture Propagation in Shale oil Reservoir

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Computer Modeling in Engineering & Sciences 2024年第9期140卷 3051-3071页

作者： Xiao Yan Di Wang Haitao Yu State Key Laboratory of Shale oil and Gas Enrichment Mechanisms and Effective Beijing102206China State Energy Center for Shale oil Research and Development Beijing102206China Department of Geotechnical Engineering College of Civil Engineering Tongji UniversityShanghai200092China Petroleum Exploration and production Research Institute SINOPECBeijing102206China Key Laboratory of Deep Earth Science and Engineering(Sichuan University) Ministry of EducationChengdu610065China

The existence of high-density bedding planes is a typical characteristic of shale oil *** the behavior of hydraulic fracturing in high-density laminated rocks is significant for promoting shale oil *** this study,a hydraulic fracturing model considering tensile failure and frictional slip of the bedding planes is established within the framework of the unified pipe-interface element method(UP-IEM).The model developed for simulating the interaction between the hydraulic fracture and the bedding plane is validated by comparison with experimental *** hydraulic fracturing patterns in sealed and unsealed bedding planes are ***,the effects of differential stress,bedding plane permeability,spacing,and the friction coefficient of the bedding plane are *** results showed that a single main fracture crossing the bedding planes is more likely to form in sealed bedding planes under high differential *** decrease in bedding plane permeability and the increase in the friction coefficient also promote the fracture propagating perpendicular to the bedding *** with high-density bedding planes has a poorer fracturing effect than that with low-density bedding planes,as the hydraulic fracture is prone to initiate and propagate along the bedding ***,higher injection pressure is needed to maintain fracture propagation along the *** increase in bedding density will lead to a smaller fracturing *** fluid seepage into the bedding planes slows shale *** is recommended that increasing the injection flow rate,selecting alternative fracturing fluids,and employing multi-well/multi-cluster fracturing may be efficient methods to improve energy production in shale oil reservoirs.

关键词： Hydraulic fracturing bedding planes shale unified pipe-interface element method

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Sn-decorated CeO_(2) with different morphologies for direct dehydrogenation of ethylbenzene

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Journal of Rare Earths 2024年第1期42卷 102-109,I0004页

作者： Kai Zhang Guoju Cui Mengzhen Yuan Huiwen Huang Ning Li Jiale Xu Guowei Wang Chunyi Li State Key Laboratory of Heavy oil Processing China University of Petroleum(East China)Qingdao266580China Petrochemical plant of Sinopec Shengli oilfield Company Dongying257237China College of Chemical and Biological Engineering Shandong University of Science and TechnologyQingdao266590China

Three Sn-decorated ceria catalysts with various morphologies(rods,particles,and cubes)were prepared and applied to the direct dehydrogenation of ***-technology characterizations,including X-ray photoelectro n spectroscopy(XPS),H_(2)-tempe rature programmed reduction(H_(2)-TPR),and Raman spectroscopy,prove that the oxygen vacancies are the active sites for ethylbenzene dehydrogenation,which can be regulated by engineering CeO_(2) morphology and enhanced via introducing metal *** the results of activity test,the catalytic activities for ethylbenzene dehydrogenation over different samples are closely dependent on the amount of oxygen *** reduced Sn-decorated CeO_(2) catalyst with nanoparticles morphology exhibits better dehydrogenation performance than the other two studied catalysts at 600℃.This work provides an effective approach to regulate the active oxygen vacancies and further enhance the dehydrogenation activities through engineering the surface morphology of the catalyst and introducing suitable additives.

关键词： Ethylbenzene dehydrogenation CeO_(2) Sn Morphology Oxygen vacancy Rare earths

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Genome-wide analysis of Panonychus citrimicro RNAs witha focus on potential insecticidal activity of 4 micro RNAs toeggs and nymphs

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Insect Science 2024年第2期31卷 354-370页

作者： Chuan-Zhen Li Yu-Hang Liu Deng Pan Meng-Hao Xia Qiang Zhang Yu-Chuang Li Guo-Rui Yuan Jin-Jun Wang Wei Dou Key Laboratory of Entomology and Pest Control Engineering College of Plant ProtectionAcademy of Agricultural SciencesSouthwestUniversityChongqingChina Key Laboratory of Agricultural Biosafety and Green production of Upper Yangtze River(Ministry of Education) Academy of Agricultural SciencesSouthwest UniversityChongqingChina

Panonychus citriMcGregor(Acari:Tetranychidae),a destructive citrus pest,causes considerable annual economic losses due to its short lifespan and rapid ***(miRNA)-induced RNA interference is a promising approachfor pest control because of endogenous regulation of pest growth and *** for miRNAs with potential insecticidal activity ***,genome-wide analysis ofmiRNAs at different developmental stages was conducted,resulting in the identificationof 136 miRNAs,including 73 known and 63 novel miRNAs.A total of 17 isomiRNAsand 12 duplicated miRNAs were ***-1 and miR-252-5p were identified asreference miRNAs *** *** on differential expressionanalysis,treatments with miR-let-7a and miR-315 mimics and the miR-let-7a antagomirsignificantly reduced the egg hatch rate and resulted in abnormal egg ***-expression or downregulation of miR-34-5p and miR-305-5p through feeding significantlydecreased the adult eclosion rate and caused molting *** 4 miRNAs,miR-let-7a,miR-315,miR-34-5p,and miR-305-5p,had important regulatory functions and insectici-dal properties in egg hatching and adult *** general,these data advance our un-derstanding of miRNAs in mite biology,which can assist future studies on insect-specificmiRNA-based green pest control technology.

关键词： growth and development microRNAs Panonychus citri referencemiRNAs regulation small RNA libraries

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Characteristics of proppant transport and placement within rough hydraulic fractures

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Petroleum Exploration and Development 2024年第2期51卷 453-463页

作者： HUANG Hai ZHENG Yong WANG Yi WANG Haizhu NI Jun WANG Bin YANG Bing ZHANG Wentong School of Petroleum Engineering Xi’an Shiyou UniversityXi’an 710065China Shaanxi Key Laboratory of Carbon Dioxide Sequestration and Enhanced oil Recovery Xi’an 710075China Shaanxi Provincial Key Laboratory of oil and Gas Well and Reservoir Seepage and Rock Mechanics Xi’an 710065China oil&Gas Field production Construction Division PetroChina Tarim Oilfield CompanyKorla 841000China National Key Laboratory of Petroleum Resources and Engineering China University of Petroleum(Beijing)Beijing 102249China Shaanxi Yanchang Petroleum(Group)Co. Ltd.Xi’an 710075China

A three-dimensional reconstruction of rough fracture surfaces of hydraulically fractured rock outcrops is carried out by casting process,a large-scale experimental setup for visualizing rough fractures is built to perform proppant transport *** typical characteristics of proppant transport and placement in rough fractures and its intrinsic mechanisms are investigated,and the influences of fracture inclination,fracture width and fracturing fluid viscosity on proppant transport and placement in rough fractures are *** results show that the rough fractures cause variations in the shape of the flow channel and the fluid flow pattern,resulting in the bridging buildup during proppant transport to form unfilled zone,the emergence of multiple complex flow patterns such as channeling,reverse flow and bypassing of sand-carrying fluid,and the influence on the stability of the sand *** proppant has a higher placement rate in inclined rough fractures,with a maximum increase of 22.16 percentage points in the experiments compared to vertical fractures,but exhibits poor stability of the sand *** fracture width aggravates the bridging of proppant and induces higher pumping *** the viscosity of the fracturing fluid can weaken the proppant bridging phenomenon caused by the rough fractures.

关键词： reservoir fracturing rough fracture proppant transport and placement characteristics bridging buildup

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Genesis and Accumulation of Paleo-oil Reservoir in Dabei Area,Kuqa Depression,Northwest China:Implications for Tight-Gas Accumulation

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Journal of Earth Science 2024年第2期35卷 655-665页

作者： Fujie Jiang Xiao Chen Pengwei Wang Xinghe Shao Haijun Yang State Energy Center for Shale oil Research and Development Beijing102206China National Key Laboratory of oil and Gas Resources and Engineering Beijing102249China College of Geosciences China University of PetroleumBeijing102249China CNOOC International Ltd. Beijing100027China Research Institute of Petroleum Exploration&production SINOPECBeijing100083China Research Institute of Petroleum Exploration and Development Tarim OilfieldPetroChinaKorla841000China

Paleo-oil reservoir is of great importance to understand hydrocarbon enrichment mechanism and hydrocarbon exploration potential,but is yet poorly investigated in Kuqa *** occurrence of the paleo-oil reservoir in Dabei area was proved by quantitative grain fluorescence(QGF)and fluid inclusion *** history of the paleo-oil reservoir was reconstructed through:(1)oil-source correlation;(2)time coupling of source rock maturation,porosity evolution and migration *** impact of paleo-oil reservoir on tight-gas accumulation was consequently *** suggest that considerable oil was accumulated in the K_(1)bs reservoir with paleo oil-water contact in Dabei 2 Well and Dabei 201 Well at 5800 and 6040 m,*** oil was primarily sourced from Triassic source rocks with Jurassic source rocks of secondary importance,which was at oil generation window(0.7%–1.1%Ro)during 9–6 and 7.5–5 Ma,*** occurrence of K_(1)bs tight reservoir(porosityoil accumulation was formed during 8–5 *** paleo-oil reservoir in Dabei 1 gas field was destroyed by the evaporation fractionation in later stage.

关键词： Paleo-oil reservoir Dabei area Kuqa Depression Northwest China petroleum geology

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Endomembrane-biased dimerization of ABCG16 and ABCG25 transporters determines their substrate selectivity in ABA-regulated plant growth and stress responses

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Molecular plant 2024年第3期17卷 478-495页

作者： Yeling Zhou Yuzhu Wang Dong Zhang Jiansheng Liang institute of plant and Food Science Department of BiologySchool of Life SciencesSouthern University of Science and Technology(SUSTech)Shenzhen 518055China Key Laboratory of Molecular Design for plant Cell Factory of Guangdong Higher Education Institutes Southern University of Science and Technology(SUSTech)Shenzhen 518055China jiangsu Key Laboratory of Crop Genetics and Physiology/Co-lnnovation Center for Modern production Technology of Grain Crops Key Laboratory of Plant Functional Genomics of the Ministry of EducationYangzhou UniversityYangzhou 225009China

ATP-binding cassette(ABC)transporters are integral membrane proteins that have evolved diverse func-tions fulfilled via the transport of various *** Arabidopsis,the G subfamily of ABC proteins is particularly abundant and participates in multiple signaling pathways during plant development and stress *** this study,we revealed that two Arabidopsis ABCG transporters,ABCG16 and ABCG25,engage in ABA-mediated stress responses and early plant growth through endomembrane-specific dimerization-coupled transport of ABA and ABA-glucosyl ester(ABA-GE),*** first revealed that ABCG16 contributes to osmotic stress tolerance via ABA *** specifically,ABCG16 induces cellular ABA efflux in both yeast and plant *** FRET analysis,we showed that ABCG16 forms oblig-atory homodimers for ABA export activity and that the plasma membrane-resident ABCG16 homodimers specifically respond to ABA,undergoing notable conformational ***,we demonstrated that ABCG16 heterodimerizes with ABCG25 at the endoplasmic reticulum(ER)membrane and facilitates the ER entry of ABA-GE in both Arabidopsis and tobacco *** specific responsiveness of the ABCG16-ABCG25 heterodimer to ABA-GE and the superior growth of their double mutant support an inhib-itory role of these twoABCGs in early seedling establishment via regulation of ABA-GE translocation across the ER *** endomembrane-specific analysis of the FRET signals derived from the homo-or heterodimerized ABcG complexes allowed us to link endomembrane-biased dimerization to the transloca-tion of distinct substrates by ABcG transporters,providing a prototypic framework for understanding the omnipotence of ABcG transporters in plant development and stress responses.

关键词： abscisic acid ABCG transporter dimerization endomembrane substrate selectivity

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Architecture and exploration target areas of the Senegal Basin,West Africa

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Energy Geoscience 2024年第4期5卷 174-186页

作者： Naxin Tian Gaokui Wu Min Gao Yue Gong Dapeng Wang Zhipeng Liu SINOPEC Exploration and production Research Institute Beijing102206China

The recent discovery of large oil and gas fields in the deep-water of the Senegal Basin has drawn global *** this,several exploration wells in this area fail,which can be primarily contributed to a lack of understanding of the basin's structures and hydrocarbon accumulation *** study examines these characteristics utilizing gravity,seismic and drilling data,and finally makes a comparison with the Cote d’Ivoire Basin,a typical transform margin basin in the South *** results suggest that the Senegal Basin,influenced by multiple transform faults and a weak Paleozoic basement,experienced three evolutionary stages:rifting,transitional,and *** stage contributed to the development of distinct depositional sequences-syn-rift sequences,sag sequences,and continental margin sequences,*** Triassic-Early Jurassic rifting stage predominantly formed continental deposits,like fluvial,lacustrine,and deltaic deposits,in the syn-rift *** Middle-Late Jurassic transitional stage,influenced by transform faults,witnessed the formation of marginal ridges or submarine uplift *** zones,in conjunction with landward high terrains,formed a restricted environment promoting the development of source rocks in the sag *** the drifting stage,three types of reservoirs,namely platform carbonate rocks,deltas,and slope-floor fans were ***,large-scale hydrocarbon reservoirs have been found in the deltas and the slope-floor fans both in the Senegal Basin and the Cote d’Ivoire *** Upper Jurassic-Aptian platforms exhibit thick carbonate rocks and organic reefs on their edges,suggesting substantial potential for hydrocarbon exploration in the Senegal Basin.

关键词： Transform-extensional passive continental margin Basin architecture Accumulation model Senegal Basin West Africa

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