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An allelic variation in the promoter of the LRR-RLK gene,qSS6.1,is associated with melon seed size

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Journal of Integrative Agriculture 2024年第10期23卷 3522-3536页

作者： Xiaoxue Liang Jiyu Wang Lei Cao Xuanyu Du Junhao Qiang Wenlong Li Panqiao Wang Juan Hou Xiang Li Wenwen Mao Huayu Zhu Luming Yang Qiong Li Jianbin Hu College of Horticulture Henan Agricultural UniversityZhengzhou 450002China Henan Engineering research Center for Cucurbit Germplasm Enhancement and utilization Zhengzhou 450002China International Joint Laboratory of Henan Horticultural Crop Biology Zhengzhou 450002China

Seed size is an important agronomic trait in melons that directly affects seed germination and subsequent seedling ***,the genetic mechanism underlying seed size in melon remains *** the present study,we employed Bulked-Segregant Analysis sequencing(BSA-seq)to identify a candidate region(~1.35 Mb)on chromosome 6 that corresponds to seed *** interval was confirmed by QTL mapping of three seed size-related traits from an F2 population across three *** mapping region represented nine QTLs that shared an overlapping region on chromosome 6,collectively referred to as *** InDel markers were developed in the qSS6.1 region,narrowing it down to a 68.35 kb interval that contains eight annotated *** variation analysis of the eight genes identified a SNP with a C to T transition mutation in the promoter region of MELO3C014002,a leucine-rich repeat receptor-like kinase(LRR-RLK)*** mutation affected the promoter activity of the MELO3C014002 gene and was successfully used to differentiate the large-seeded accessions(C-allele)from the small-seeded accessions(T-allele).qRT-PCR revealed differential expression of MELO3C014002 between the two parental *** predicted protein has typical LRR-RLK family domains,and phylogenetic analyses reveled its similarity with the homologs in several plant ***,these findings suggest MELO3C014002 as the most likely candidate gene involved in melon seed size *** results will be helpful for better understanding the genetic mechanism regulating seed size in melons and for genetically improving this important trait through molecular breeding pathways.

关键词： melon QTL mapping seed size candidate gene allelic variation

Plasmonic quantum dots modulated nano-mineral toward photothermal reduction of CO_(2)coupled with biomass conversion

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Nano research 2024年第6期17卷 5061-5072页

作者： Guangbiao Cao Haoran Xing Haoguan Gui Chao Yao Yinjuan Chen Yongsheng Chen Xiazhang Li National-local Joint Engineering research Center of Biomass Refining and High-quality utilization Changzhou UniversityChangzhou 213164China School of Civil and Environmental Engineering Georgia Institute of TechnologyAtlantaGA 30332-0373USA

Simultaneous conversion of CO_(2)and biomass into value-added chemicals through solar-driven catalysis holds tremendous importance for fostering a sustainable circular ***,plasmonic Bi quantum dots were immobilized on phosphoric acid modified attapulgite(P-ATP)nanorod using an in-situ reduction-deposition method,and were employed for photocatalytic reduction of CO_(2)coupled with oxidation of biomass-derived benzyl *** revealed that Bi atoms successfully integrated into the basal structure of P-ATP,forming chemically coordinated Bi-O-Si bonds that served as efficient transportation channels for *** incorporation of high-density monodispersed Bi quantum dots induced a surface plasmon resonance(SPR)effect,expanding the light absorption range into the near-infrared *** a consequence,the photo-thermal transformation was significantly accelerated,leading to enhanced reaction ***,50%Bi/P-ATP nanocomposite exhibited the highest plasmon-mediated photocatalytic CH4 generation(115.7μmol·g^(−1)·h^(−1))and CO generation(44.9μmol·g^(−1)·h^(−1)),along with remarkable benzaldehyde generation rate of 79.5μmol·g^(−1)·h^(−1)in the photo-redox coupling system under solar light *** hydrogen protons released from the oxidation of benzyl alcohol facilitated the incorporation of more hydrogen protons into CO_(2)to form key CH_(3)O−*** work demonstrates the synergistic solar-driven valorization of CO_(2)and biomass using natural mineral based catalyst.

关键词： photothermal catalysis clay mineral plasmon CO_(2)reduction biomass conversion

BBX9 forms feedback loops with PIFs and BBX21 to promote photomorphogenic development

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Journal of Integrative Plant Biology 2024年第9期66卷 1934-1952页

作者： Zhaoqing Song Wanying Ye Qing Jiang Huan Lin Qing Hu Yuntao Xiao Yeting Bian Fengyue Zhao Jie Dong Dongqing Xu State Key Laboratory of Crop Genetics&Germplasm Enhancement and utilization National Center for Soybean ImprovementCollege of AgricultureNanjing Agricultural UniversityNanjing 210095China institute of Crop Science College of Agriculture and BiotechnologyZhejiang UniversityHangzhou 310058China

Light is one of the most essential environmental factors that tightly and precisely control various physiological and developmental processes in plants.B-box CONTAINING PROTEINs(BBXs)play central roles in the regulation of light-dependent *** this study,we report that BBX9 is a positive regulator of light ***9 interacts with the red light photoreceptor PHYTOCHROME B(phyB)and transcription factors PHYTOCHROME-INTERACTING FACTORs(PIFs).phyB promotes the stabilization of BBX9 in light,while BBX9 inhibits the transcriptional activation activity of *** turn,PIFs directly bind to the promoter of BBX9 to repress its *** the other hand,BBX9 associates with the positive regulator of light signaling,BBX21,and enhances its biochemical ***21 associates with the promoter regions of BBX9 and transcriptionally up-regulates its ***,this study unveiled that BBX9 forms a negative feedback loop with PIFs and a positive one with BBX21 to ensure that plants adapt to fluctuating light conditions.

关键词： Arabidopsis BBX21 BBX9 light signaling photo-morphogenesis phyB PIF

Combinatorial optimization of perovskite-based ferroelectric ceramics for energy storage applications

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Journal of Advanced Ceramics 2024年第7期13卷 877-910页

作者： Suwei Dai Mengyang Li Xiaowen Wu Yunyi Wu Xiang Li Yanan Hao Bingcheng Luo Engineering research Center of Ministry of Education for Geological Carbon Storage and Low Carbon utilization of Resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid WastesNational Laboratory of Mineral MaterialsSchool of Materials Science and TechnologyChina University of Geosciences BeijingBeijing 100083China College of Science China Agricultural UniversityBeijing 100083China research Center for Comprehensive Energy Technology CTG Science and Technology Research InstituteBeijing 100038China School of Energy and Power Engineering Beihang UniversityBeijing 100191China State Key Laboratory of Information Photonics and Optical Communications&School of Science Beijing University of Posts and TelecommunicationsBeijing 100876China

With the increasing impacts of climate change and resource depletion,dielectric capacitors,with their exceptional stability,fast charging and discharging rates,and ability to operate under more extreme conditions,are emerging as promising high-demand candidates for high-performance energy storage devices,distinguishing them from traditional electrochemical capacitors and ***,due to the shortcomings of various dielectric ceramics(e.g.,paraelectrics(PEs),ferroelectrics(FEs),and antiferroelectrics(AFEs)),their low polarizability,low breakdown strength(BDS),and large hysteresis loss limit their standalone use in the advancement of energy storage ***,synthesizing novel perovskite-based materials that exhibit high energy density,high energy efficiency,and low loss is crucial for achieving superior energy storage *** this review,we outline the recent development of perovskitebased ferroelectric energy storage ceramics from the perspective of combinatorial optimization for tailoring ferroelectric hysteresis loops and comprehensively discuss the properties arising from the different combinations of *** also provide future guidelines in this ***,the combinatorial optimization strategy in this review will open up a practical route toward the application of new high-performance ferroelectric energy storage devices.

关键词： perovskite hysteresis loop relaxor ferroelectric(RFE) paraelectric(PE) antiferroelectric(AFE) energy storage

Simultaneous removal of 1,2-dichlorobenzene and furan over Mn-Ce-Fe oxide catalyst:Catalytic activity and product analysis

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Journal of Rare Earths 2024年第5期42卷 972-979,I0006页

作者： Juan Qiu Minghui Tang Yaqi Peng Xuanhao Guo Shengyong Lu Jianhua Yan Taizhou institute of Zhejiang University Taizhou 318000China State Key Laboratory for Clean Energy utilization Institute for Thermal Power EngineeringZhejiang UniversityHangzhou 310027China

The Mn-Ce-Fe mixed oxide(MCFe)was prepared by co-precipitation and the catalytic performance was tested by using 1,2-dichlorobenzene(1,2-DCB)and furan as model molecules of PCDD/*** effect of O_(2)concentration,SO_(2) and NO on the catalytic activity was *** 270℃,the MCFe oxide catalyst presents significant simultaneous removal efficiency of 75.25%and 100%for 1,2-DCB and furan,***-Emmett-Teller(BET)method(BET),X-ray diffraction(XRD),scanning electron microscopy(SEM),X-ray photoelectron spectroscopy(XPS),Fourier transform infrared spectroscopy(FTIR),H_2-temperature programmed reduction(H_(2)-TPR),NH_(3)-temperature programmed desorption(NH_3-TPD)and O_(2)-TPD were used to characterize the catalysts before and after the *** tests suggest that the oxidation behavior of furan occurred prior to that of 1,*** to the intermediate products detected by gas chromatography-mass spectrometry(GC-MS),the by-products include chlorinated hydrocarbons,long-chain hydrocarbons,ketone,*** catalytic oxidation reaction paths are proposed.

关键词： 1 2-dichlorobenzene Furan Catalytic oxidation Product analysis Rare earths

Transcriptome-Wide Identification and Functional Analysis of PgSQE08-01 Gene in Ginsenoside Biosynthesis in Panax ginseng ***.

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Phyton-International Journal of Experimental Botany 2024年第2期93卷 313-327页

作者： Lei Zhu Lihe Hou Yu Zhang Yang Jiang Yi Wang Meiping Zhang Mingzhu Zhao Kangyu Wang College of Life Science Jilin Agricultural UniversityChangchun130118China Jilin Engineering research Center Ginseng Genetic Resources Development and utilization Changchun130118China Jilin Academy of Vegetable and Flower Sciences Changchun130033China

Panax ginseng *** an important plant species used in traditional Chinese medicine,whose primary active ingredient is a *** biosynthesis is not only regulated by transcription factors but also controlled by a variety of structural ***,the molecular mechanism underlying ginsenoside biosynthesis has always been a topic in the discussion of ginseng secondary *** epoxidase(SQE)is a key enzyme in the mevalonic acid pathway,which affects the biosynthesis of secondary metabolites such as *** ginseng transcriptome,expression,and ginsenoside content databases,this study employed bioinformatic methods to systematically analyze the genes encoding SQE in *** first selected six PgSQE candidates that were closely involved in ginsenoside biosynthesis and then identified PgSQE08-01 to be highly associated with ginsenoside ***,we constructed the overexpression vector pCAMBIA3301-PgSQE08-01 and the RNAi vector pART27-PgSQE08-01 and transformed ginseng adventitious roots using Agrobacterium rhizogenes,to obtain positive hairy-root ***,quantitative reverse transcriptionpolymerase chain reaction and high-performance liquid chromatography were used to determine the expression of relevant genes and ginsenoside content,***,we focused on the function of PgSQE08-01 gene,which was noted to be involved in ginsenoside ***,these findings not only provided a molecular basis for the identification of important functional genes in ginseng but also enriched genetic resources for the biosynthesis of ginsenosides using synthetic biology.

关键词： Panax ginseng pgSQE08-01 gene squalene epoxidase ginsenoside ginseng hairy roots

Increased dependence on nitrogen-fixation of a native legume in competition with an invasive plant

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Plant Diversity 2024年第4期46卷 510-518页

作者： Meixu Han Haiyang Zhang Mingchao Liu Jinqi Tang Xiaocheng Guo Weizheng Ren Yong Zhao Qingpei Yang Binglin Guo Qinwen Han Yulong Feng Zhipei Feng Honghui Wu Xitian Yang Deliang Kong College of Forestry Henan Agricultural UniversityZhengzhou 450002China College of Life Science Hebei UniversityBaoding 071002China Liaoning Key Laboratory for Biological Invasions and Global Changes College of Bioscience and BiotechnologyShenyang Agricultural UniversityShenyangLiaoning 110866China College of Horticulture China Agricultural UniversityBeijing 100193China State Key Laboratory of Efficient utilization of Arid and Semi-arid Arable Land in Northern China Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China Key Laboratory of Arable Land Quality Monitoring and Evaluation Ministry of Agriculture and Rural AffairsInstitute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China

Suppression of roots and/or their symbiotic microorganisms,such as mycorrhizal fungi and rhizobia,is an effective way for alien plants to outcompete native ***,little is known about how invasive and native plants interact with the quantity and activity of nutrient-acquisition *** a pot experiment was conducted with monoculture and mixed plantings of an invasive plant,Xanthium strumarium,and a common native legume,Glycine *** measured traits related to root and nodule quantity and activity and mycorrhizal *** to the monoculture,fine root quantity(biomass,surface area)and activity(root nitrogen(N)concentration,acid phosphatase activity)of *** decreased in mixed plantings;nodule quantity(biomass)decreased by 45%,while nodule activity in Nfixing via rhizobium increased by 106%;mycorrhizal colonization was *** of N fixation to leaf N content in *** increased in the mixed plantings,and this increase was attributed to a decrease in the rhizosphere soil N of *** in the mixed *** root quantity and activity,along with a higher mycorrhizal association was observed in *** in the mixed compared to ***,the invasive plant did not directly scavenge N from nodule-fixed N,but rather depleted the rhizosphere soil N of the legume,thereby stimulating the activity of N-fixation and increasing the dependence of the native legume on this N *** quantity-activity framework holds promise for future studies on how native legumes respond to alien plant invasions.

关键词： Mycorrhizal strategy Nitrogen depletion Plant invasion Root nutrient acquisition strategy Symbiotic nitrogen fixation

Population genomics highlights structural variations in local adaptation to saline coastal environments in woolly grape

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Journal of Integrative Plant Biology 2024年第7期66卷 1408-1426页

作者： Tianhao Zhang Wenjing Peng Hua Xiao Shuo Cao Zhuyifu Chen Xiangnian Su Yuanyuan Luo Zhongjie Liu Yanling Peng Xiping Yang Guo-Feng Jiang Xiaodong Xu Zhiyao Ma Yongfeng Zhou National Key Laboratory of Tropical Crop Breeding Shenzhen BranchGuangdong Laboratory of Lingnan Modern AgricultureKey Laboratory of Synthetic BiologyMinistry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen 518000China State Key Laboratory for Conservation and utilization of Subtropical Agro‐Bioresources Guangxi UniversityNanning 530004China Guangxi Key Laboratory of Forest Ecology and Conservation Guangxi Colleges and Universities Key Laboratory for Cultivation and Utilization of Subtropical Forest PlantationCollege of ForestryGuangxi UniversityNanning 530004China College of Informatics Huazhong Agricultural UniversityWuhan 430070China Guangxi Key Laboratory of Sugarcane Biology College of AgricultureGuangxi UniversityNanning 530004China Key Laboratory of Horticultural Plant Biology Ministry of Education Huazhong Agricultural UniversityWuhan 430070China Zhengzhou Fruit research institute Chinese Academy of Agricultural SciencesZhengzhou 450009China National Key Laboratory of Tropical Crop Breeding Tropical Crops Genetic Resources InstituteChinese Academy of Tropical Agricultural SciencesHaikou 571101China

Structural variations(SVs)are a feature of plant genomes that has been largely unexplored despite their significant impact on plant phenotypic traits and local adaptation to abiotic and biotic *** this study,we employed woolly grape(Vitis retordii),a species native to the tropical and subtropical regions of East Asia with both coastal and inland habitats,as a valuable model for examining the impact of SVs on local *** assembled a haplotype-resolved chromosomal reference genome for woolly grape,and conducted population genetic analyses based on whole-genome sequencing(WGS)data from coastal and inland *** demographic analyses revealed recent bottlenecks in all populations and asymmetric gene flow from the inland to the coastal *** total,1,035 genes associated with plant adaptive regulation for salt stress,radiation,and environmental adaptation were detected underlying local selection by SVs and SNPs in the coastal population,of which 37.29% and 65.26% were detected by SVs and SNPs,*** genes such as FSD2,RGA1,and AAP8 associated with salt tolerance were found to be highly differentiated and selected during the process of local adaptation to coastal habitats in SV *** study highlights the importance of SVs in local adaptation;candidate genes related to salt stress and climatic adaptation to tropical and subtropical environments are important genomic resources for future breeding programs of grapevine and its rootstocks.

关键词： climate change grape breeding local adaptation with gene flow salt tolerance viticulture Vitis

Effect of chemical regulators on the recovery of leaf physiology,dry matter accumulation and translocation,and yield-related characteristics in winter wheat following dry-hot wind

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Journal of Integrative Agriculture 2024年第1期23卷 108-121页

作者： Yanan Xu Yue Wu Yan Han Jiqing Song Wenying Zhang Wei Han Binhui Liu Wenbo Bai institute of Environment and Sustainable Development in Agriculture Chinese Academy of Agricultural SciencesBeijing 100081China institute of Dryland Farming research Hebei Academy of Agriculture and Forestry SciencesHengshui 053000China Shandong General Station of agricultural Technology Extension Jinan 250100China

Dry-hot wind stress causes losses in wheat productivity in major growing regions worldwide,especially winter wheat in the Huang-Huai-Hai Plain of China,and both the occurrence and severity of such events are likely to increase with global climate *** investigate the recovery of physiological functions and yield formation using a new noncommercial chemical regulator(NCR)following dry-hot wind stress,we conducted a three-year field experiment(2018-2021)with sprayed treatments of tap water(control),monopotassium phosphate(CKP),NCR at both the jointing and flowering stages(CFS),and NCR only at the jointing stage(FSJ)or flowering stage(FSF).The leaf physiology,biomass accumulation and translocation,grain-filling process,and yield components in winter wheat were *** the single spraying treatments,the FSJ treatment was beneficial for the accumulation of dry matter before anthesis,as well as larger increases in the maximum grain-filling rate and mean grain-filling *** FSF treatment performed better in maintaining a high relative chlorophyll content as indicated by the SPAD value,and a low rate of excised leaf water loss in flag leaves,promoting dry matter accumulation and the contribution to grain after anthesis,prolonging the duration of grain filling,and causing the period until the maximum grain-filling rate reached *** CFS treatment was better than any other treatments in relieving the effects of dry-hot *** exogenous NCR treatments significantly increased grain yields by 12.45-18.20% in 2018-2019,8.89-13.82% in 2019-2020,and 8.10-9.00% in *** conventional measure of the CKP treatment only increased grain yield by 6.69% in *** CFS treatment had the greatest mitigating effect on yield loss under dry-hot wind stress,followed by the FSF and FSJ treatments,and the CKP treatment only had a minimal *** summary,the CFS treatment could be used as the main chemical control measure for wheat stress resistance and yield

关键词： preparation stress foliar spraying grain-filling remobilization