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Development and identification of two novel wheat-rye 6R derivative lines with adult-plant resistance to powdery mildew and high-yielding potential

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The Crop Journal 2024年第1期12卷 308-313页

作者： Guohao Han Jing Wang Hanwen Yan Tiantian Gu Lijun Cao Shiyu Liu Xiuquan Li Yilin Zhou Jieru Fan Zhipeng Shi Hong Liu Lihui Li Diaoguo An Center for Agricultural Resources Research Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuang 050021HebeiChina The National key Facility for Crop Gene Resources and Genetic Improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China The State key laboratory for biology of plant Disease and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China

Powdery mildew,caused by Blumeria graminis ***(Bgt),is a devastating disease that seriously threatens wheat yield and *** control this disease,host resistance is the most effective *** with the resistance genes from common wheat,alien resistance genes can better withstand infection of this highly variable *** of elite alien germplasm resources with powdery mildew resistance and other key breeding traits is an attractive strategy in wheat *** this study,three wheat-rye germplasm lines YT4-1,YT4-2,and YT4-3 were developed through hybridization between octoploid triticale and common wheat,out of which the lines YT4-1 and YT4-2 conferred adult-plant resistance(APR)to powdery mildew while the line YT4-3 was susceptible to powdery mildew during all of its growth *** genomic in situ hybridization,multi-color fluorescence in situ hybridization,multi-color GISH,and molecular marker analysis,YT4-1,YT4-2,and YT4-3 were shown to be cytogenetically stable wheat-rye 6R addition and T1RS.1BL translocation line,6RL ditelosomic addition and T1RS.1BL translocation line,and T1RS.1BL translocation line,*** with previously reported wheat-rye derivative lines carrying chromosome 6R,YT4-1 and YT4-2 showed stable APR without undesirable pleiotropic effects on agronomic ***,these novel wheat-rye 6R derivative lines are expected to be promising bridge resources in wheat disease breeding.

关键词： Powdery mildew Secale cereale Triticum aestivum Wheat-rye 6R derivatives Agronomic performance

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OcBSA:An NGS-based bulk segregant analysis tool for outcross populations

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Molecular plant 2024年第4期17卷 648-657页

作者： Lingkui Zhang Yanfeng Duan Zewei Zhang Lei Zhang Shumin Chen Chengcheng Cai Shaoguang Duan Kang Zhang Guangcun Li Feng Cheng State key laboratory of Vegetable Biobreeding Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture and Rural AffairsKey Laboratory of Biology and Genetic Improvement of Tuber and Root Crop of Ministry of Agriculture and Rural AffairsSino-Dutch Joint Laboratory of Horticultural GenomicsInstitute of Vegetables and FlowersChinese Academy of Agricultural SciencesBeijing 100081China

Constructing inbred lines for self-incompatible species and species with long generation times is challenging,making the use of F1 outcross/segregating populations the main strategy for genetic studies of such ***,there is a lack of dedicated algorithms/tools for rapid quantitative trait locus(QTL)mapping using the F1 *** this end,we have designed and developed an algorithm/tool called OcBSA specifically for QTL mapping of F1 *** transforms the four-haplotype inheritance problem from the two heterozygous diploid parents of the F1 population into the two-haplotype inheritance problem common in current genetic studies by removing the two haplotypes from the heterozygous parent that do not contribute to phenotype segregation in the F1 *** of OcBSA on 1800 simulated F1 populations demonstrated its advantages over other currently available tools in terms of sensitivity and *** addition,the broad applicability of OcBSA was validated by QTL mapping using seven reported F1 populations of apple,pear,peach,citrus,grape,tea,and *** also used OcBSA to map the QTL for flower color in a newly constructed F1 population of potato generated in this *** OcBSA mapping result was verified by the insertion or deletion markers to be consistent with a previously reported locus harboring the ANTHOCYANIN 2 gene,which regulates potato flower *** together,these results highlight the power and broad utility of OcBSA for QTL mapping using F1 populations and thus a great potential for functional gene mining in outcrossing *** ease of use,we have developed both Windows and Linux versions of OcBSA,which are freely available at:https://***/Bioinformaticslab/OcBSA.

关键词： outcross BSA self-incompatible F1 population QTL mapping potato

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Integrative multi-omics approaches reveal that Asian cultivated rice domestication influences its symbiotic relationship with arbuscular mycorrhizal fungi

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Pedosphere 2024年第2期34卷 315-327页

作者： Lei TIAN Jilin WANG Hongping CHEN Weiqiang LI Lam-Son Phan TRAN Chunjie TIAN key laboratory of Mollisols Agroecology State Key Laboratory of Black Soils Conservation and UtilizationNortheast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130102China Rice Research Institute Jiangxi Academy of Agricultural SciencesNanchang 330200China Institute of Genomics for Crop Abiotic stress Tolerance Department of Plant and Soil ScienceTexas Tech UniversityLubbock TX 79409USA

Potential changes in the symbiotic relationship between rice(Oryza sativa)and microorganisms have occurred during the domestication of Asian cultivated rice(***)from common wild rice(Oryza rufipogon)and in response to global climate change,along with evolving adaptations to the *** potential genes may express differently or dominate the symbiotic relationships between arbuscular mycorrhizal fungi(AMF)and plants,which may be beneficial to rice *** date,research on this important topic has been *** this study,we aimed to examine the symbiotic relationships of Asian common wild and cultivated rice species with *** conducting a comparative metagenomic analysis of the rhizospheres of wild and cultivated rice species,we identified differences in Rhizophagus intraradices-related genes associated with wild and cultivated rice,as well as functional genes of ***,we obtained root-related genes associated with AMF from transcriptome data of rice *** results collectively suggest that ***-related genes in the rhizosphere of wild rice may be more conducive to its ***,bacteria from the Nitrosomonadaceae and Nitrospiraceae families identified in the rhizosphere of wild rice exhibited positive correlations with ***-related genes with protein identifiers 1480749 and1871253,which may indicate that nitrobacteria can enhance the functions of *** in association with wild ***,in a case study using comparative transcriptome analysis of root samples obtained from ***-inoculated wild and cultivated rice plants,we found significantly higher expression levels of the strigolactone pathway-related genes DWARF3(D3)and DWARF14(D14)in ***-inoculated common wild rice than in ***-inoculated cultivated *** study provides a theoretical basis for identifying the effects of domestication on mycorrhizal symbiosis-related genes,which could be promoted in wi

关键词： Rhizophagus intraradices root-related gene symbiotic effect strigolactone wild rice

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Trade-offs between the accumulation of cuticular wax and jasmonic acid-mediated herbivory resistance in maize

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Journal of Integrative plant biology 2024年第1期66卷 143-159页

作者： Jiong Liu Lu Li Zhilong Xiong Christelle AMRobert Baozhu Li Shan He Wenjie Chen Jiasheng Bi Guanqing Zhai Siyi Guo Hui Zhang Jieping Li Shutang Zhou Xi Zhang Chun‐Peng Song School of Life Sciences Henan UniversityKaifeng 475004China State key laboratory of Crop stress Adaptation and Improvement Henan UniversityKaifeng 475004China State key laboratory of Cotton Bio‐Breeding and Integrated Utilization Henan UniversityKaifeng 475004China Sanya Institute of Henan University Sanya 572025China Institute of plant Sciences University of BernBern 3013Switzerland

plants have evolved complex physical and chemical defense systems that allow them to withstand herbivory *** of a complex mixture of very-long-chain fatty acids(VLCFAs)and their derivatives,cuticular wax constitutes the first physical line of defense against ***,we report the function of Glossy 8(ZmGL8),which encodes a 3-ketoacyl reductase belonging to the fatty acid elongase complex,in orchestrating wax production and jasmonic acid(JA)-mediated defenses against herbivores in maize(Zea mays).The mutation of GL8 enhanced chemical defenses by activating the JA-dependent *** observed a trade-off between wax accumulation and JA levels across maize glossy mutants and 24 globally collected maize inbred *** addition,we demonstrated that mutants defective in cuticular wax biosynthesis in Arabidopsis thaliana and maize exhibit enhanced chemical *** transcriptomic and lipidomic analyses indicated that the gl8 mutant confers chemical resistance to herbivores by remodeling VLCFA-related lipid metabolism and subsequent JA biosynthesis and *** results suggest that VLCFA-related lipid metabolism has a critical role in regulating the trade-offs between cuticular wax and JA-mediated chemical defenses.

关键词： cuticular wax fall armyworm herbivore resistance jasmonic acid maize plant-herbivore interactions

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Paenarthrobacter nitroguajacolicus can promote cucumber growth and control cucumber corynespora leaf spot

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Frontiers of Agricultural Science and Engineering 2024年第3期11卷 485-498页

作者： Min LI Yahui HUANG Xiaomin DONG Xu ZHANG Qing MA College of Horticulture South China Agricultural UniversityGuangzhou 510642China State key laboratory of Crop stress biology for Arid Areas/College of plant Protection Northwest A&F UniversityYangling 712100China College of Forestry and Landscape Architecture South China Agricultural UniversityGuangzhou 510642China

Currently,the disease control in cucumber mainly depends on agrochemicals,which is not an environmentally benign *** bacteria not only resist plant pathogens but also promote plant growth,which is ecofriendly and sustainable option.A biocontrol bacterial strain BJ-5 was screened using Corynespora cassiicola as the target pathogen,and BJ-5 was determined to be Paenarthrobacter nitroguajacolicus by morphological and molecular *** effect of BJ-5 on *** was studied,including the spore germination,cell membrane permeability and infected ***-5 inhibited the germination of *** spores in vitro and led to atrophy and deformation of the *** budding ***-5 caused the relative extracellular conductivity of *** mycelia to increase compared with the ***,BJ-5 reduced the severity of cucumber corynespora leaf spot of cucumber infected with *** inhibition efficacy of BJ-5 suspension as a foliar spray against cucumber corynespora leaf spot reached 63%inhibition,which is higher than a 5000-fold dilution of Luna-Son SC *** addition,BJ-5 was tested on the emergence of cucumber seedlings,recording the biomass and photosynthesis of cucumber during the growth ***-5 at 1.5×10^(5)CFU·mL^(−1)promoted the germination of cucumber seeds and increased biomass and photosynthesis at the adult plant ***,the secondary metabolites of BJ-5 were ***-5 could produce chitinases,siderophore,cellulase,amylase and protease in the respective ***,adaptation assay of BJ-5 showed good salt tolerance and good adaptability in alkaline conditions,and that BJ-5 retains inhibition of fungi activity at higher *** is the first report of the biocontrol by *** with antagonism to *** and promote cucumber *** study indicates that *** may serve as potential biocontrol agents against cucumber corynespora leaf spot fungu

关键词： Adaptability antagonistic bacterium disease resistance growth promotion secondary metabolite

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Pathologically relevant aldoses and environmental aldehydes cause cilium disassembly via formyl group-mediated mechanisms

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Journal of Molecular Cell biology 2024年第1期16卷 15-28页

作者： Te Li Min Liu Fan Yu Song Yang Weiwen Bu Kai Liu Jia Yang Hua Ni Mulin Yang Hanxiao Yin Renjie Hong Dengwen Li Huĳie Zhao Jun Zhou Haihe laboratory of Cell Ecosystem State Key Laboratory of Medicinal Chemical BiologyTianjin Key Laboratory of Protein ScienceCollege of Life SciencesNankai UniversityTianjin 300071China laboratory of Tissue Homeostasis Haihe Laboratory of Cell EcosystemTianjin 300462China Center for Cell Structure and Function Collaborative Innovation Center of Cell Biology in Universities of ShandongShandong Provincial Key Laboratory of Animal Resistance BiologyCollege of Life SciencesShandong Normal UniversityJinan 250014China

Carbohydrate metabolism disorders(CMDs),such as diabetes,galactosemia,and mannosidosis,cause ciliopathy-like multiorgan ***,the mechanistic link of cilia to CMD complications is still poorly ***,we describe significant cilium disassembly upon treatment of cells with pathologically relevant aldoses rather than the corresponding sugar ***,environmental aldehydes are able to trigger cilium disassembly by the steric hindrance effect of their formyl *** studies reveal that aldehydes stimulate extracellular calcium influx across the plasma membrane,which subsequently activates the calmodulin-Aurora A-histone deacetylase 6 pathway to deacetylate axonemal microtubules and triggers cilium *** vivo experiments further show that Hdac6 knockout mice are resistant to aldehyde-induced disassembly of tracheal cilia and sperm *** findings reveal a previously unrecognized role for formyl group-mediated cilium disassembly in the complications of CMDs.

关键词： carbohydrate metabolism disorder aldose aldehyde cilium disassembly formyl group calcium influx HDAC6

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Effects of Nitrogen-Regulating Gene AreA on Growth,Pathogenicity,and Fumonisin Synthesis of Fusarium proliferatum

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Rice science 2024年第1期31卷 10-13,I0013-I0017页

作者： SUN Lei CHEN Xu ZHOU Qianya ZHANG Tianlei YU Qian LIU Lianmeng HUANG Shiwen WANG Ling key laboratory of Research and Utilization of Ethnomedicinal plant Resources of Hunan Province College of Biological and Food EngineeringHuaihua UniversityHuaihua 418000China State key laboratory of Rice biology and Breeding China National Rice Research InstituteHangzhou 310006China

Rice spikelet rot disease not only threatens rice yields but also poses risks to humans and animals due to the production of the category 2B carcinogen fumonisins by the pathogen Fusarium ***(N)metabolism is known to have a significant influence on fungal growth and the synthesis of secondary *** is a global N regulatory gene belonging to the GATA transcription factor *** this study,we observed that theΔAreA mutant exhibited a notable reduction in growth rate and conidium *** experiments revealed thatΔAreA had almost lost its ability to infect rice spikelets.

关键词： metabolism Fusarium Growth

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Cross-species transmission and host range genes in poxviruses

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Virologica Sinica 2024年第2期39卷 177-193页

作者： Chen-Hui Yang A-Ling Song Ye Qiu Xing-Yi Ge College of biology Hunan Provincial Key Laboratory of Medical VirologyHunan UniversityChangsha410012China

The persistent epidemic of human mpox, caused by mpox virus (MPXV), raises concerns about the future spread ofMPXV and other poxviruses. MPXV is a typical zoonotic virus which can infect human and cause smallpox-likesymptoms. MPXV belongs to the Poxviridae family, which has a relatively broad host range from arthropods tovertebrates. Cross-species transmission of poxviruses among different hosts has been frequently reported andresulted in numerous epidemics. Poxviruses have a complex linear double-strand DNA genome that encodeshundreds of proteins. Genes related to the host range of poxvirus are called host range genes (HRGs). This reviewbriefly introduces the taxonomy, phylogeny and hosts of poxviruses, and then comprehensively summarizes thecurrent knowledge about the cross-species transmission of poxviruses. In particular, the HRGs of poxvirus aredescribed and their impacts on viral host range are discussed in depth. We hope that this review will provide acomprehensive perspective about the current progress of researches on cross-species transmission and HRGvariation of poxviruses, serving as a valuable reference for academic studies and disease control in the future.

关键词： Poxvirus Host range gene(HRG) Host spectrum Cross-species transmission

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Transcription factors involved in tomato fruit quality improvement

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Food Quality and Safety 2024年第1期8卷 50-54页

作者：石艳娜戴正蓉陈昆松 College of Agriculture and Biotechnology Zhejiang UniversityZijingang CampusHangzhouChina Zhejiang Provincial key laboratory of Horticultural plant Integrative biology Zhejiang UniversityZijingang CampusHangzhouChina State Agriculture Ministry laboratory of Horticultural plant Growth Development and Quality ImprovementZhejiang UniversityZijingang CampusHangzhouChina

Fruit quality is both a consumer demand and an important goal for horticultural *** exploration of quality-related genes provides targets to create high-quality germplasm using biotechnology,of which transcription factors(TFs)exhibit dosage effects compared with structural ***,an important horticultural crop as well as model fruit,has been widely ***,we focused on TFs with potential utilization value that control appearance(***,pigment)and internal(***,texture,shelf life and health benefits)quality in ***,potential strategies to generate high-quality tomato fruit are discussed.

关键词： Fruit quality transcription factor tomato.

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Anthrax lethal toxin and tumor necrosis factor-a synergize on intestinal epithelia to induce mouse death

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Protein & Cell 2024年第2期15卷 135-148页

作者： Xinhe Gao Teng Teng Yifei Liu Tingting Ai Rui Zhao Yilong Fu Peipei Zhang Jiahuai Han Yingying Zhang State key laboratory of Cellular stress biology School of Life SciencesFaculty of Medicine and Life SciencesXiamen UniversityXiamen 361102China Research Unit of Cellular stress of CAMS Xiang'an Hospital of Xiamen UniversityCancer Research Center of Xiamen UniversitySchool of MedicineFaculty of Medicine and Life SciencesXiamen UniversityXiamen 361102China laboratory Animal Center Faculty of Medicine and Life SciencesXiamen UniversityXiamen 361102China

Bacillus anthracis lethal toxin(LT)is a determinant of lethal *** function in myeloid cells is required for bacterial dissemination,and LT itself can directly trigger dysfunction of the cardiovascular *** interplay between LT and the host responses is important in the pathogenesis,but our knowledge on this interplay remains *** necrosis factor-a(TNF-a)is a pleiotropic pro-inflammatory cytokine induced by bacterial *** LT accumulates and cytokines,predominantly TNF,amass during *** infection,co-treatment of TNF+LT in mice was used to mimic in vivo conditions for LT to function in inflamed *** marrow transplantation and genetically engineered mice showed unexpectedly that the death of intestinal epithelial cells(IECs)rather than that of hematopoietic cells led to LT+TNF-induced *** of p38a mitogen-activated protein kinase(MAPK)signaling by LT in IECs promoted TNF-induced apoptosis and necroptosis of IECs,leading to intestinal damage and mouse ***,p38a inhibition by LT enhanced TNF-mediated cell death in human colon epithelial HT-29 *** intestinal damage is one of the leading causes of lethality in anthrax patients,the IEC damage caused by LT+TNF would most likely be a mechanism underneath this clinical manifestation and could be a target for interventions.

关键词： lethal toxin TNF p38a intestinal epithelial cell cell death

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