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Dynamic modulation of nodulation factor receptor levels by phosphorylation-mediated functional switch of a RING-type E3 ligase during legume nodulation

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Molecular plant 2024年第7期17卷 1090-1109页

作者： Hao Li Yajuan Ou Jidan Zhang Kui Huang Ping Wu Xiaoli Guo Hui Zhu Yangrong Cao National Key Lab of agricultural Microbiology Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China National Key Lab of agricultural Microbiology College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China

The precise control of receptor levels is crucial for initiating cellular signaling transduction in response to specific ligands;however,such mechanisms regulating nodulation factor(NF)receptor(NFR)-mediated perception of NFs to establish symbiosis remain *** this study,we unveil the pivotal role of the NFR-interacting RING-type E3 ligase 1(NIRE1)in regulating NFR1/NFR5 homeostasis to optimize rhizobial infection and nodule development in Lotus *** demonstrated that NiRE1 has a dual function in this regulatory *** associates with both NFR1 and NFR5,facilitating their degradation through K48-linked polyubiquitination before rhizobial ***,following rhizobial inoculation,NFR1 phosphorylates NIRE1ata conserved residue,Tyr-109,inducing a functional switch in NIRE1,which enables NIRE1tomediateK63-linkedpolyubiquitination,thereby stabilizing NFR1/NFR5 in infected root *** introduction of phospho-dead NIRE1Y1osF leads to delayed nodule development,underscoring the significance of phosphorylation at Tyr-1o9 in orchestrating symbiotic ***,expression of the phospho-mimic NIRE1Y0E results in the formation of spontaneous nodules in ***,further emphasizing the critical role of the phosphorylation-dependent functional switch in *** summary,these findings uncover a fine-tuned symbiotic mechanism that a single E3 ligase could undergo a phosphorylationdependent functional switch to dynamically and precisely regulate NF receptor protein levels.

关键词： nodule symbiosis nodulation factor receptors E3 ligase ubiquitination phosphorylation protein degradation protein stabilization Lotus japonicus

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Selenium-oxidizing Agrobacterium sp.T3F4 decreases arsenic uptake by Brassica rapa *** a native polluted soil

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Journal of Environmental sciences 2024年第4期138卷 506-515页

作者： Lijin An Chunzhi Zhou Lipeng Zhao Ao Wei Yiting Wang Huimin Cui Shixue Zheng State Key Laboratory of agricultural Microbiology College of Life Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China

Toxic arsenic(As)and trace element selenium(Se)are transformed by microorganisms but their complex interactions in soil-plant systems have not been fully *** Asand Se-oxidizing bacterium,Agrobacterium sp.T3F4,was applied to a native seleniferous As-polluted soil to investigate As/Se uptake by the vegetable Brassica rapa *** As-Se interaction as mediated by strain *** Se content in the aboveground plants was significantly enhanced by 34.1%,but the As content was significantly decreased by 20.5% in the T3F4-inoculated pot culture compared to the control(Pplants was reduced by increasing Se(IV)*** 50% growth inhibition concentration(IC50)values for As in plants were increased about one-fold and two-fold under co-exposure with 5 and 10μmol/L Se(IV),*** conclusion,strain T3F4 improves Se uptake but decreases As uptake by plants via oxidation of As and Se,resulting in decrease of soil As bioavailability and As/Se competitive absorption by *** provides a potential bioremediation strategy for Se biofortification and As immobilization in As-polluted soil.

关键词： Selenium oxidation Selenium biofortification Arsenite-oxidizing bacteria Arsenic immobilization Brassica rapa L

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Aβ-Carotene Ketolase Gene NfcrtO from Subaerial Cyanobacteria Confers Drought Tolerance in Rice

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Rice science 2024年第1期31卷 62-76页

作者： GAO Ningning YE Shuifeng ZHANG Yu ZHOU Liguo MA Xiaosong YU Hanxi LI Tianfei HAN Jing LIU Zaochang LUO Lijun college of plant Science and technology Huazhong Agricultural UniversityWuhan 430070China Shanghai Agrobiological Gene Center Shanghai 201106China college of Life sciences Shangrao Normal UniversityShangrao 334001China Institute for Agri-food Standards and Testing technology Shanghai Academy of Agricultural SciencesShanghai 201403China

Nostoc flagelliforme is a terrestrial cyanobacterium that can resist many types of stressors,including drought,ultraviolet radiation,and extreme *** this study,we identified the drought tolerance gene NfcrtO,which encodes aβ-carotene ketolase,through screening the transcriptome of *** under water loss *** expression of NfcrtO under 0.6 mol/L sorbitol or under 0.3 mol/L NaCl stress significantly increased the growth rate of Escherichia *** NfcrtO was heterologously expressed in rice,the seedling height and root length of NfcrtO-overexpressing rice plants were significantly higher than those of the wild type(WT)plants grown on½Murashige and Skoog solid medium with 120 mmol/L mannitol at the seedling *** analysis revealed that NfcrtO was involved in osmotic stress,antioxidant,and other stress-related ***,the survival rate of the NfcrtO-overexpression lines was significantly higher than that of the WT line under both hydroponic stress(24%PEG and 100 mmol/L H_(2)O_(2))and soil drought treatment at the seedling *** traits,including the activity levels of superoxide dismutase,peroxidase,catalase,total antioxidant capacity,and the contents of proline,trehalose,and soluble sugar,were significantly improved in the NfcrtO-overexpression lines relative to those in the WT line under 20%PEG ***,when water was withheld at the booting stage,the grain yield per plant of NfcrtO-overexpression lines was significantly higher than that of the WT *** two-hybrid analysis identified interactions between NfcrtO and Dna J protein,E3 ubiquitin-protein ligase,and pyrophosphate-energized vacuolar membrane proton ***,heterologous expression of NfcrtO in rice could significantly improve the tolerance of rice to osmotic stress,potentially facilitating the development of new rice varieties.

关键词： antioxidant enzyme β-carotene ketolase drought resistance Nostoc flagelliforme osmotic stress rice transcriptome analysis

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High-quality assembled and annotated genomes of Nicotiana tabacum and Nicotiana benthamiana reveal chromosome evolution and changes in defense arsenals

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Molecular plant 2024年第3期17卷 423-437页

作者： Jubin Wang Qingling Zhang Jeffrey Tung Xi Zhang Dan Liu Yingtian Deng Zhendong Tian Huilan Chen Taotao Wang Weixiao Yin Bo Lij Zhibing Lai Savithramma P.Dinesh-Kumar Barbara Baker Feng Li National Key Laboratory for Germplasm Innovation and Utilization for Fruit and Vegetable Horticultural Crops College of Horticulture and Forestry SciencesHuazhong Agricultural UniversityWuhanHubei 430070China plant Gene Expression Center Department of Plant and Microbial BiologyUniversity of CaliforniaBerkeleyBerkeleyCA 94706USA college of plant Science and technology Huazhong Agricultural UniversityWuhanHubei 430070China college of Life Science and technology Huazhong Agricultural UniversityWuhanHubei 430070China Department of plant Biology and The Genome Center College of Biological SciencesUniversity of CalforniaDavisDavisCA 95616USA The Key Laboratory of Horticultural plant Genetic and Improvement of Jiangxi Province Institute of Biological ResourcesJiangxi Academy of SciencesNanchang 330299China institute of Vegetables and Flowers Jiangxi Academy of Agricultural SciencesNanchang 330200Chin Hubei Hongshan Laboratory WuhanHubei 430070China

Nicotiana tabacum and Nicotiana benthamiana are widely used models in plant biology ***,genomic studies of these species have *** we report the chromosome-level reference genome assemblies for *** and *** with an estimated 99.5%and 99.8%completeness,*** transcription start and termination site sequencing methods were developed and used for accurate gene annotation in *** analyses revealed evidence for the parental origins and chromosome structural changes,leading to hybrid genome formation of each ***,theantiviral silencinggenesRDR1,RDR6,DCL2,DCL3,andAGO2were lost from one or both subgenomes in ***,while both homeologs were kept in ***,the *** genome encodes fewer immune receptors and signaling components than that of *** find-ings uncover possible reasons underlying the hypersusceptible nature of *** developed the user-friendly Nicomics(http:/***/Nicomics/)web server to facilitate better use of Nicotiana genomic resources as well as gene structure and expression analyses.

关键词： Nicotiana tabacum Nicotiana benthamiana genomics evolution disease resistance NLR

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An overview of detecting gene-trait associations by integrating GWAS summary statistics and eQTLs

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Science China(Life sciences) 2024年第6期67卷 1133-1154页

作者： Yang Zhang Mengyao Wang Zhenguo Li Xuan Yang Keqin Li Ao Xie Fang Dong Shihan Wang Jianbing Yan Jianxiao Liu National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of Smart Farming for agricultural Animals Huazhong Agricultural UniversityWuhan 430070China Hubei Key Laboratory of agricultural Bioinformatics Huazhong Agricultural UniversityWuhan 430070China college of Informatics Huazhong Agricultural UniversityWuhan 430070China college of Life sciences Nankai UniversityTianjin 300071China

Detecting genes that affect specific traits(such as human diseases and crop yields)is important for treating complex diseases and improving crop quality.A genome-wide association study(GWAS)provides new insights and directions for understanding complex traits by identifying important single nucleotide *** GWAS summary statistics data related to various complex traits have been gathered *** have shown that GWAS risk loci and expression quantitative trait loci(e QTLs)often have a lot of overlaps,which makes gene expression gradually become an important intermediary to reveal the regulatory role of *** this review,we review three types of gene-trait association detection methods of integrating GWAS summary statistics and e QTLs data,namely colocalization methods,transcriptome-wide association study-oriented approaches,and Mendelian randomization-related *** the theoretical level,we discussed the differences,relationships,advantages,and disadvantages of various algorithms in the three kinds of gene-trait association detection *** further discuss the performance of various methods,we summarize the significant gene sets that influence highdensity lipoprotein,low-density lipoprotein,total cholesterol,and triglyceride reported in 16 *** discuss the performance of various algorithms using the datasets of the four lipid *** advantages and limitations of various algorithms are analyzed based on experimental results,and we suggest directions for follow-up studies on detecting gene-trait associations.

关键词： gene-trait association GWAS eQTL colocalization transcriptome-wide association study(TWAS) Mendelian randomization(MR)

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The temporal-spatial expression and functional analysis of three gustatory receptor genes in Solenopsis invicta using sweet and bitter compounds

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Insect Science 2024年第2期31卷 448-468页

作者： Muhammad Irfan Waris Yanyuan Lei Guojun Qi Ziying Guan Abdul Rashied Jie Chen Lihua Lyu Institute of plant Protection Guangdong Academy of Agricultural SciencesGuangdong Provincial Key Laboratory of High Technology for Plant ProtectionGuangzhouChina Department of Entomology College of Plant ProtectionSouth China Agricultural UniversityGuangzhouChina

The insect gustatory system participates in identifying potential food sources and avoiding toxic *** this process,gustatory receptors(GRs)recognize feeding stimulant and deterrent ***,the GRs involved in recognizing stimulant and deterrent compounds in the red imported fire ant,Solenopsis invicta,remain ***,we conducted a study on the genes SinvGR1,SinvGR32b,and SinvGR28a to investigate the roles of GRs in detecting feeding stimulant and deterrent *** this current study,we found that sucrose and fructose are feeding stimulants and the bitter compound quinine is a feeding *** fire ant workers showed significant behavior changes to avoid the bitter taste in feeding stimulant *** transcription quantitative real-time polymerase chain reaction results from developmental stages showed that the SinvGR1,SinvGR32b,and SinvGR28a genes were highly expressed in fire ant ***-specific expression profiles indicated that SinvGR1,SinvGR32b,and SinvGR28a were specifically expressed in the antennae and foreleg tarsi of workers,whereas SinvGR32b gene transcripts were also highly accumulated in the male ***,the silencing of SinvGRI or SinvGR32b alone and the co-silencing of both genes disrupted worker stimulation and feeding on sucrose and *** results also showed that SinvGR28a is required for avoiding quinine,as workers with knockdown of the SinvGR28a gene failed to avoid and fed on *** study first identified stimulant and deterrent compounds of fire ant workers and then the GRs involved in the taste recognition of these *** study could provide potential target gustatory genes for the control of the fire ant.

关键词： behavioral responses feeding assays gustatory receptors RNA interference Solenopsis invicta temporal-spatial expression

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Three decades and beyond: Breeding, biotech breakthroughs and future of China's GM insect-resistant cotton

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Journal of Integrative Agriculture 2024年第10期 3243-3249页

作者： Chengzhen Liang Shuangxia Jin Youth Editorial Board of JIA Biotechnology Research Institute Chinese Academy of Agricultural Sciences college of plant Science & technology Huazhong Agricultural University

Cotton(Gossypium spp.) is a pivotal crop in the global textile industry, providing essential natural fibers. Additionally, cottonseed offers significant value as a source of oil and as feed for livestock(Huang et al. 2021; Wen et al. 2023). The sector, dependent on cotton, features a comprehensive value chain extending from the processing of fibers to the production of finished textiles, and it employs tens of millions of individuals(Dorward et al. 1970). The vitality of the cotton industry is essential for the economic prosperity of a wide array of interconnected industries. It directly influences the livelihoods of millions of households(Chapman et al. 1972). Therefore, the cotton industry plays a pivotal role in accelerating agriculture modernization.

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Synergistic effects of the entomopathogenic fungus Isaria javanica and low doses of dinotefuran on the efficient control of the rice pest Sogatella furcifera

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Journal of Integrative Agriculture 2024年第2期23卷 621-638页

作者： Tingting Zhou Qian Zhao Chengzhou Li Lu Ye Yanfang Li Nemat OKeyhani Zhen Huang Department of Entomology College of Plant ProtectionSouth China Agricultural UniversityGuangzhou 510642China Guangdong Provincial Key Laboratory of High technology for plant Protection Plant Protection Research InstituteGuangdong Academy of Agricultural SciencesGuangzhou 510642China Department of Microbiology and Cell Science Institute of Food and Agricultural SciencesUniversity of FloridaFL 32611USA

The rice planthopper,Sogatella furcifera,is a piercing-sucking insect pest of rice,Oryza *** is responsible for significant crop yield losses,and has developed moderate to high resistance to several commonly used chemical *** investigated the effects of the insect fungal pathogen Isaria javanica,alone and in combination with the chemical insecticide dinotefuran,on *** under both laboratory and field *** results show that *** displays high infection efficiency and mortality for different stages of ***,reducing adult survival,female oviposition and ovary *** bioassays showed that the combined use of *** with a low dose(4-16 mg L^(-1))of dinotefuran resulted in higher mortality in *** than the use of *** or dinotefuran *** combined treatment also had more significant effects on several host enzymes,including superoxide dismutase,catalase,peroxidase,and prophenol oxidase *** field trials,*** effectively suppressed populations of rice planthoppers to low levels(22-64%of the level in untreated plots).Additional field experiments showed synergistic effects,i.e.,enhanced efficiency,for the control of *** populations using the combination of a low dose of ***(1×10^(4) conidia mL^(-1))and a low dose of dinotefuran(~4.8-19.2%of normal field use levels),with control effects of>90%and a population level under 50 insects per 100 hills at 3-14 days *** findings indicate that the entomogenous fungus *** offers an attractive biological control addition as part of the integrated pest management(IPM)practices for the control of rice plant pests.

关键词： Isaria javanica Sogatella furcifera entomopathogenic fungus white planthopper rice synergistic effect on pest control

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A phenology-based vegetation index for improving ratoon rice mapping using harmonized Landsat and Sentinel-2 data

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Journal of Integrative Agriculture 2024年第4期23卷 1164-1178页

作者： Yunping Chen Jie Hu Zhiwen Cai Jingya Yang Wei Zhou Qiong Hu Cong Wang Liangzhi You Baodong Xu Macro Agriculture Research Institute College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China college of Resources and Environment Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of agricultural Remote Sensing Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China Key Laboratory for Geographical Process Analysis&Simulation of Hubei Province/college of Urban and Environmental sciences Central China Normal UniversityWuhan 430079China International Food Policy Research Institute NWWashingtonD.C.20005USA

Ratoon rice,which refers to a second harvest of rice obtained from the regenerated tillers originating from the stubble of the first harvested crop,plays an important role in both food security and agroecology while requiring minimal agricultural ***,accurately identifying ratoon rice crops is challenging due to the similarity of its spectral features with other rice cropping systems(e.g.,double rice).Moreover,images with a high spatiotemporal resolution are essential since ratoon rice is generally cultivated in fragmented croplands within regions that frequently exhibit cloudy and rainy *** this study,taking Qichun County in Hubei Province,China as an example,we developed a new phenology-based ratoon rice vegetation index(PRVI)for the purpose of ratoon rice mapping at a 30 m spatial resolution using a robust time series generated from Harmonized Landsat and Sentinel-2(HLS)*** PRVI that incorporated the red,near-infrared,and shortwave infrared 1 bands was developed based on the analysis of spectro-phenological separability and feature *** on actual field samples,the performance of the PRVI for ratoon rice mapping was carefully evaluated by comparing it to several vegetation indices,including normalized difference vegetation index(NDVI),enhanced vegetation index(EVI)and land surface water index(LSWI).The results suggested that the PRVI could sufficiently capture the specific characteristics of ratoon rice,leading to a favorable separability between ratoon rice and other land cover ***,the PRVI showed the best performance for identifying ratoon rice in the phenological phases characterized by grain filling and harvesting to tillering of the ratoon crop(GHS-TS2),indicating that only several images are required to obtain an accurate ratoon rice ***,the PRVI performed better than NDVI,EVI,LSWI and their combination at the GHS-TS2 stages,with producer's accuracy and user's accuracy of 92.22 and 89.30%,respectively

关键词： ratoon rice phenology-based ratoon rice vegetation index(PRVI) phenological phase feature selection Harmonized Landsat Sentinel-2 data

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Effect of mutations on acetohydroxyacid synthase(AHAS)function in Cyperus difformis L.

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Journal of Integrative Agriculture 2024年第1期23卷 177-186页

作者： Xiaotong Guo Xiangju Li Zheng Li Licun Peng Jingchao Chen Haiyan Yu Hailan Cui State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China college of Resources and Environmental sciences China Agricultural UniversityBeijing 100193China

Cyperus difformis *** a troublesome weed in paddy fields and has attracted attention due to its resistance to acetohydroxyacid synthase(AHAS)*** was found that the amino acid mutation in AHAS was the primary cause for the resistance of Cyperus ***,the effect of different mutations on AHAS function is not clear in Cyperus *** confirm the effect of mutations on AHAS function,six biotypes were collected,including Pro197Arg,Pro197Ser,Pro197Leu,Asp376Glu,Trp574Leu and wild type,from Hunan,Anhui,Jiangxi and Jiangsu provinces,China and the function of AHAS was *** AHAS in vitro inhibition assay results indicated that the mutations decreased the sensitivity of AHAS to pyrazosulfuron-ethyl,in which the I_(50)(the half maximal inhibitory concentration)of wild type AHAS was 0.04μmol L^(-1)and Asp376Glu,Pro197Leu,Pro197Arg,Pro197Ser and Trp574Leu mutations were 3.98,11.50,40.38,38.19 and 311.43μmol L^(-1),*** the determination of enzyme kinetics parameters,the Km and the maximum reaction velocity(Vmax)of the wild type were 5.18 mmol L^(-1)and 0.12 nmol mg^(-1)min^(-1),respectively,and the Km values of AHAS with Asp376Glu,Trp574Leu,Pro197Leu and Pro197Ser mutations were 0.38-0.93 times of the wild *** Km value of the Pro197Arg mutation was 1.14times of the wild type,and the Vmax values of the five mutations were 1.17-3.33-fold compared to the wild *** was found that the mutations increased the affinity of AHAS to the substrate,except for the Pro197Arg *** a concentration of 0.0032-100 mmol L^(-1)branched-chain amino acids(BCAAs),the sensitivity of the other four mutant AHAS biotypes to feedback inhibition decreased,except for the Pro197Arg *** study elucidated the effect of different mutations on AHAS function in Cyperus difformis and provided ideas for further study of resistance development.

关键词： acetohydroxyacid synthase(AHAS) mutation enzyme function Cyperus difformis

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