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Journal of Integrative Plant Biology 2024年第7期66卷 1481-1499页

作者： Zhihong Guo Ning Jiang Menglin Li Hongfang Guo Qi Liu Xinyu Qin Zongying Zhang Chenggui Han Ying Wang Ministry of Agriculture and Rural Affairs key laboratory of pest monitoring and Green management College of Plant ProtectionChina Agricultural UniversityBeijing 100193China

Vicinal oxygen chelate(VOC)proteins are members of an enzyme superfamily with dioxygenase or non-dioxygenase ***,the biological functions of VOC proteins in plants are poorly ***,we show that a VOC in Nicotiana benthamiana(NbVOC1)facilitates viral ***1 was significantly induced by infection by beet necrotic yellow vein virus(BNYVV).Transient overexpression of NbVOC1 or its homolog from Beta vulgaris(BvVOC1)enhanced BNYVV infection in ***,which required the nuclear localization of *** with this result,overexpressing NbVOC1 facilitated BNYVV infection,whereas,knockdown and knockout of NbVOC1 inhibited BNYVV infection in transgenic *** ***1 interacts with the basic leucine zipper transcription factors bZIP17/28,which enhances their self-interaction and DNA binding to the promoters of unfolded protein response(UPR)-related *** propose that bZIP17/28 directly binds to the NbVOC1 promoter and induces its transcription,forming a positive feedback loop to induce the UPR and facilitating BNYVV ***,our results demonstrate that NbVOC1 positively regulates the UPR that enhances viral infection in plants.

关键词： beet necrotic yellow vein virus bZIP17/28 Nicotiana benthamiana unfolded protein response VOC1

RpUGT344J7 is involved in the reproduction switch of Rhopalosiphum padi with holocyclic life cycle

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Insect Science 2024年第4期31卷 1073-1089页

作者： Suji Wang Wenjie Huang Mengtian Li Ni Wang Xi Liu Maohua Chen Xiong Peng State key laboratory of Crop Stress Biology for Arid Areas Key Laboratory of Plant Protection Resources and Pest Management of Ministry of EducationKey Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural AffairsCollege of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi ProvinceChina

Many aphid species exhibit both cyclical parthenogenesis(CP)and the obligate parthenogenesis(OP)life history,which are genetically *** CP aphid lineages,the parthenogenetic individuals can switch from asexual to sexual reproduction quickly in response to environmental factors such as changes in photoperiod and ***,the OP aphid lineages do not undergo sexual reproduction under any *** far,mechanisms underlying the reproduction switch in CP aphids have not been fully *** padi,a serious worldwide insect pest of wheat,has both CP and OP *** diphosphate-glycosyltransferases(UGTs)are enzymes that participate in the metabolic detoxification of ***,we identified 43 RpUGT genes from *** genome and transcriptome sequences,and found that:(1)the UGT content of the CP lineage was significantly higher than that in the OP lineage at the key time points when CP lineage mainly produce virginoparae,gynoparae,and males under inducing condition,while there were no significant difference under normal conditions;(2)RpUGT344J7 gene was highly expressed during the time points when CP lineages produce gynopara and males;(3)the critical time points for CP lineages to produce virginoparaee,gynoparae,and males were affected when the CP lineages were injected with dsRpUGT344J7;(4)the knockdown of RpUGT344J7 caused a significant reduction in the total number of virginoparae,gynoparae,and males in the offspring under inducing *** findings contribute to our understanding of the molecular mechanisms underlying the quick shift from asexual to sexual reproduction in aphid species.

关键词： bird cherry-oat aphid cyclical parthenogenesis obligate parthenogenesis reproduction switch uridine diphosphate-glycosyltransferases(UGTs)

A dicistrovirus increases pupal mortality in Spodoptera frugiperda by suppressing protease activity and inhibiting larval diet consumption

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Journal of Integrative Agriculture 2024年第8期23卷 2723-2734页

作者： Meixue Sun Tong Li Yingjie Liu Kenneth Wilson Xingyu Chen Robert I.Graham Xianming Yang Guangwei Ren Pengjun Xu key laboratory of tobacco pest monitoring&integrated management Tobacco Research InstituteChinese Academy of Agricultural SciencesQingdao 266101China Institute of Plant Protection Henan Academy of Agricultural SciencesZhengzhou 450000China Staff Development Institute of China National tobacco Corporation Zhengzhou 450000China Lancaster Environment Centre Lancaster UniversityLancaster LA14YWUK Department of Rural Land Use Scotland’s Rural CollegeCraibstone CampusAberdeen AB01ABUK State key laboratory for Biology of Plant Diseases and Insect pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China

Understanding interactions between viruses and their hosts is conducive to enabling better application of viruses as biocontrol *** viruses carried by parasitic wasps enhance the parasitic efficiency of wasp-larvae by protecting them against the immune system of their Lepidopteran ***,the relationship between prey pests and viruses found in predatory natural enemies remains ***,we report the interaction between Arma chinensis virus-1(AcV-1),originally isolated from a predatory natural enemy,Arma chinensis(Hemiptera:Pentatomidae),and one of its prey species,Spodoptera frugiperda(Lepidoptera:Noctuidae).The results showed that the AcV-1 virus appeared harmful to the novel host *** by inhibiting larval diet consumption and increasing pupal ***,sequencing data indicated that the virus altered the gene expression profiles of *** analysis showed that the proteasome and phagosome pathways related to protein degradation and immune response were significantly *** the expression levels of digestive enzyme genes did not change significantly,the total protease activity of AcV-1 virus-positive individuals was significantly decreased,suggesting that the virus inhibited diet consumption of *** via the down-regulation of digestive enzyme *** results indicate that a virus initially isolated in a predatory natural enemy can decrease the fitness of its prey *** virus was found to impact the host proteasome and phagosome pathways related to protein degradation and immunity,providing a potential mechanism to enhance controlling efficiency.

关键词： Arma chinensis virus-1 diet consumption fitness transcriptome protease activity

Boundless love:a German Professor Uli Schwarz in China

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Protein & Cell 2024年第8期15卷 553-558页

作者： Le Kang State key laboratory of integrated management of pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China

More than 20 years ago,an old German man embarked on a quest to explore the suburbs of Shanghai and the villages of jiangsu Province in search of antique Chinese *** was not a mere antique collector or aficionado of ancient furmiture,but a German scientist motivated by his profound love of Chinese *** name was Uli Schwarz(Fig.1),a distinguished German scientist who had dedicated the majority of his life to promoting cross-cultural scientific exchanges,an effort that left an indelible mark on the landscape of research collaborations between China and Germany.

关键词： Schwarz German landscape

Sequential enantioselective Ugi-4CR/post-Ugi transformation strategy:a precise construction of structurally diverse azaspiro polycyclic scaffolds

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Science China Chemistry 2024年第2期67卷 576-586页

作者： Xiao-Bao Wu Jun-Xiu Shi Yi-Ming Ou Hua-Jie Jiang Yi-Jun Fang Qi-Ming Wang Quan Gao Jie Yu Department of Applied Chemistry Anhui Province Engineering Laboratory for Green Pesticide Development and ApplicationAnhui Province Key Laboratory of Crop Integrated Pest ManagementAnhui Agricultural UniversityHefei230036China

A privileged strategy has been developed for the precise construction of enantioenriched azaspiro polycyclic *** diverse azaspiro polycycles bearing multiple contiguous stereocenters are obtained with excellent results(up to 99:1 e.r.,>95:5 d.r.) via sequential enantioselective four-component Ugi reactions/post-Ugi transformations with substrates containing prerequisite functional groups in the presence of anionic stereogenic-at-cobalt(Ⅲ) complexes.

关键词： asymmetric catalysis post-Ugi transformation anionic stereogenic-at-cobalt(Ⅲ)complex azaspiro polycyclic scaffold one-pot synthesis

DGS1 improves rice disease resistance by elevating pathogenassociated molecular pattern-triggered immunity

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aBIOTECH 2024年第1期5卷 46-51页

作者： Yu Wang Chuan Zheng You-liang Peng Qian Chen MOA key Lab of pest monitoring and Green management and Frontiers Science Center for Molecular Design Breeding China Agricultural UniversityBeijing 100193China

Rice yield and disease resistance are two crucial factors in determining the suitability of a gene for agricultural *** grain size1(DGS1),encoding an RING-type E3 ligase,has been found to have a positive effect on rice yield by regulating rice grain number and 1000-grain ***,the role of DGS1 in rice blast resistance is still *** this study,we report that DGS1 enhances disease resistance by improving PTI responses,including stronger ROS burst and MAPK activation,and also increased expression of defense-related ***,DGS1 works in conjunction with ubiquitin conjugating enzyme OsUBC45 as an E2-E3 pair to facilitate the ubiquitin-dependent degradation of OsGSK3 and OsPIP2;1,thereby influencing rice yield and immunity,***,the DGS1-OsUBC45 module has the potential in facilitating rice agricultural breeding.

关键词： Rice blast PTI ERAD E2-E3 pair Ubiquitination

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

Species recognition and the divergences in the chemical and ultrasonic signals between two coexisting Rattus species

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Current Zoology 2024年第4期70卷 531-538页

作者： Wei-Chao Wang Zhi-Ming Li Yi Chen Jin-Hua Zhang Jian-Xu Zhang Yao-Hua Zhang The State key laboratory of integrated management of pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China CAs Center for Excellence in Biotic Interactions University of Chinese Academy of SciencesBeijingChina

The ability to recognize and differentiate between conspecifics and heterospecifics as well as their signals is critical for the coexistence of closely related *** the genus Rattus,species are morphologically similar and multiple species often ***,we investigated the interspecific recognition and signal differentiation of two sympatric rat species,the brown rat(Rattus norvegicus,RN)and the Asian house rat(Rattus tanezumi,RT).In a two-way choice test,both RN and RT females showed a preference for conspecific male rats to heterospecific *** females showed a significant preference for accessible urine of males of same species to those of other species,but not for the inaccessi-ble *** the other hand,there were significant differences in the structural characteristics of the ultrasonic vocalization emitted by males of these two rat *** dodecyl sulphate-polyacrylamide gel electrophoresis(SDS-PAGE)and isoelectric focusing electrophoresis unveiled that major urinary proteins(MUPs)in voided urine were more highly expressed in RN males versus RT *** interspecific dif-ferences of urinary volatile compounds were also *** conclusion,female rats had the ability to distinguish between males of either species.

关键词： Asian house rats brown rats closely related species pheromones ultrasonic vocalization.

The DNA damage repair complex MoMMS21-MoSMC5 is required for infection-related development and pathogenicity of Magnaporthe oryzae

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Journal of Integrative Agriculture 2024年第6期23卷 1956-1966页

作者： Yue Jiang Rong Wang Lili Du Xueyu Wang Xi Zhang Pengfei Qi Qianfei Wu Baoyi Peng Zonghua Wang Mo Wang Ya Li State key laboratory of Ecological pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry UniversityFuzhou 350002China State key laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan Agricultural UniversityKunming 650201China Fujian Universities key laboratory for Plant-Microbe Interaction Fujian Agriculture and Forestry UniversityFuzhou 350002China Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops Minjiang UniversityFuzhou 350108China Fujian key laboratory for monitoring and integrated management of Crop pests Fuzhou 350003China

The conserved DNA damage repair complex,MMS21-SMC5/6(Methyl methane sulfonate 21-Structural maintenance of chromosomes 5/6),has been extensively studied in yeast,animals,and ***,its role in phytopathogenic fungi,particularly in the highly destructive rice blast fungus Magnaporthe oryzae,remains *** this study,we functionally characterized the homologues of this complex,MoMMS21 and MoSMC5,in *** first demonstrated the importance of DNA damage repair in *** by showing that the DNA damage inducer phleomycin inhibited vegetative growth,infection-related development and pathogenicity in this ***,we discovered that MoMMS21 and MoSMC5 interacted in the nuclei,suggesting that they also function as a complex in *** deletion experiments revealed that both MoMMS21 and MoSMC5 are required for infection-related development and pathogenicity in ***,while only MoMMS21 deletion affected growth and sensitivity to phleomycin,indicating its specific involvement in DNA damage ***,our results provide insights into the roles of MoMMS21 and MoSMC5 in ***,highlighting their functions beyond DNA damage repair.

关键词： Magnaporthe oryzae MMS21 SMC5 DNA damage repair pathogenicity

Establishment of genome-editing system and assembly of a near-complete genome in broomcorn millet

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Journal of Integrative Plant Biology 2024年第8期66卷 1688-1702页

作者： Yang Liu Zixiang Cheng Weiyao Chen Chuanyin Wu Jinfeng Chen Yi Sui State key laboratory of integrated management of pest Insects and Rodents Institute of Zoologythe Chinese Academy of SciencesBeijing 100101China State key laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China University of Chinese Academy of Sciences Beijing 100049China

The ancient crop broomcorn millet(Panicum miliaceum L.)is an indispensable orphan crop in semi-arid regions due to its short life cycle and excellent abiotic stress *** advantages make it an important alternative crop to increase food security and achieve the goal of zero hunger,particularly in light of the uncertainty of global climate ***,functional genomic and biotechnological research in broomcorn millet has been hampered due to a lack of genetic tools such as transformation and genome-editing ***,we successfully performed genome editing of broomcorn *** identified an elite variety,Hongmi,that produces embryogenic callus and has high shoot regeneration ability in in vitro *** established an Agrobacterium tumefaciens-mediated genetic transformation protocol and a clustered regularly interspaced short palindromic repeats(CRISPR)/Cas9-mediated genome-editing system for *** these techniques,we produced herbicide-resistant transgenic plants and edited phytoene desaturase(Pm PDS),which is involved in chlorophyll *** facilitate the rapid adoption of Hongmi as a model line for broomcorn millet research,we assembled a near-complete genome sequence of Hongmi and comprehensively annotated its ***,our results open the door to improving broomcorn millet using biotechnology.

关键词： broomcorn millet CRISPR/Cas9 editing genome assembly herbicide resistance transformation system