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CONSTANS alters the circadian clock in Arabidopsis thaliana

Molecular plant 2024年第8期17卷 1204-1220页

作者： Pedro de los Reyes Gloria Serrano-Bueno Francisco J.Romero-Campero He Gao Jose M.Romero Federico Valverde plant Development Group-institute for plant Biochemistry and Photosynthesis Consejo Superior de Investigaciones CientificasUniversidad de SevillaSevilleSpain Department of Computer Science and Artificial Intelligence Universidad de SevillaSevilleSpain Department of plant Developmental Biology Max Planck Institute for Plant Breeding ResearchCologneGermany Department of plant Biochemistry and Molecular Biology Universidad de SevillaSevilleSpain

plants are sessile organisms that have acquired highly plastic developmental strategies to adapt to the *** these processes,the floral transition is essential to ensure reproductive success and is finelyregulated by several internal andexternal genetic *** photoperiodic pathway,which controls plant response to day length,is one of the most important pathways controlling *** Arabidopsis photoperiodic flowering,CONSTANS(CO)is the central gene activating the expression of the florigen FLOWERING LOCUS T(FT)in the leaves at the end of a long *** circadian clock strongly regulates Co ***,to date,no evidence has been reported regarding a feedbackloop from the photoperiod pathway back to the circadian *** transcriptional networks,we have identified relevant network motifs regulating the interplay between the circadian clock and the photoperiod *** expression,chromatin immunoprecipitation experiments,and phenotypic analysis allowed us to elucidate the role of Co over the circadian *** with altered cO expression showed a different internal clock period,measured by daily leaf rhythmic *** showed that co upregulates the expression of key genes related to the circadian clock,such as CCA1,LHY,PRR5,and Gl,at the end of a long day by bindingto specific sites on their ***,a high numberof PRR5-repressed target genes are upregulated by CO,and this could explain the phase transition promoted by *** CO-PRR5 complex interacts with the bZiP transcriptionfactor HY5andhelps to localize the complex in the promoters of clock *** together,our results indicate that there may be a feedback loop in which co communicates back to the circadian clock,providing seasonal information to the circadian system.

关键词： CONSTANS circadian clock photoperiod

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Cut stumps vs broken stumps:Does it make any difference in the maintenance of plant and lichen biodiversity in Central European mountain forests?

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Forest Ecosystems 2024年第4期11卷 457-468页

作者： Monika Staniaszek-Kik Jan Zarnowiec Damian Chmura Department of Geobotany and plant Ecology University of Lodz90-237LodzPoland institute of Nature protection and Engineering University of Bielsko-BialaWillowa Str 243-309Bielsko-BiałaPoland

Fxcessive forest exploitation significantly contributes to land degradation and the creation of human-made *** are sometimes ignored in studies on the biodiversity of coarse woody *** investigated whether the type of stump,*** stumps(naturally created)and cut stumps(formed during forestry operations)had an impact on the species composition and species diversity as well as due to this fact they can be characterized by plant *** research covered 728 spruce stumps(287 broken and 441 cut stumps)that were inhabited by lichens,liverworts,mosses and vascular plants in mountain forest belt(Karkonosze Mts.,Poland).The following types of microhabitats were included in the research:the upper surface and the lateral surface of a stump with both bark and *** are statistically significant compositional differences between the two types of stumps,which was demonstrated by ordination analyses and indicator species *** to the generalized linear models,the probability of occurrence increases in cut stumps in case of liverworts and vascular plants and also along the decomposition *** generalized linear mixed-effects model showed that there was a higher species richness of liverworts,mosses and vascular plants on the cut stumps and less drier but the reverse situation was in *** generalized additive models for their cover showed similar *** all of the taxonomic groups were affected by altitude both in terms of species composition and total cover on the *** concluded that cut stumps are an important type of deadwood for biodiversity and provide a convenient habitat,especially for many lichens and bryophytes.

关键词： Coarse woody debris Spruce stumps Epixylic flora plant indicators

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Residue behaviors and dietary risk assessment of dinotefuran and its metabolites in Lycium barbarum from farm to fork

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Food Science and Human Wellness 2024年

作者： Ouli Xiao Minmin Li Jieyin Chen Ran Wang Xiaofeng Dai Zhiqiang Kong State Key Laboratory for Biology of plant Diseases and Insect Pests， institute of plant protection， Chinese Academy of Agricultural Sciences Western Agricultural research Center， Chinese Academy of Agricultural Sciences Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process， Ministry of Agriculture and Rural Affairs/institute of Food Science and Technology， Chinese Academy of Agricultural Sciences institute of plant protection， Beijing Academy of Agriculture and Forestry Sciences

Lycium barbarum， known as wolfberry or goji berry， is consumed by humans as a medicine and a food homology product. Conventionally grown wolfberry is often treated extensively with pesticides， which could pose a hazard to humans. Here， the degradation dynamics of dinotefuran and its two metabolites (UF and DN)， during wolfberry cultivation and processing was investigated. The half-life (T1/2) of dinotefuran was 11.36 d and 9.12 d， respectively， under the recommended dosage and double the recommended dosage. During the oven and sun drying processes， processing factors (PFs) of dinotefuran were 1.07 - 1.34， implying the enrichment of pesticide residues. Decoction process made the removal rate of dinotefuran reach 87.48%， which is higher than that of the brewing process (14.7%)， while dinotefuran remained in the wine with high ethanol content in the alcohol soaking process. The hazard quotient (HQ) of dinotefuran， as determined via dietary risk assessment combined with PFs， was gastric (5.45% - 86.72%) > oral (23.18%) via in vitro simulated digestive system. These findings provide scientific evidence for reasonable application and risk assessment of dinotefuran residues in wolfberry.

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Pathogenicity Analysis on Magnaporthe oryzae from Hybrid Combination Wuyou 308

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Agricultural Biotechnology 2024年第4期13卷 11-13,17页

作者： Kailing CHEN Bing CHEN Xiaopeng LIN Wenjuan WANG Xiaoyuan ZHU Jianyuan YANG Jing SU Guangdong Provincial Key Laboratory of High Technology for plant protection Plant Protection Research InstituteGuangdong Academy of Agricultural SciencesGuangzhou 510640China

Eighteen blast isolates were obtained from hybrid combination Wuyou308 using the Magnaporthe oryzae pathogen isolation *** identification of these isolates was conducted based on seven Chinese blast differentials and 11 blast monogenic *** results indicated that the isolates were identified as the races of ZB13,ZB15 and ZC13,accounting for 66.67%,27.78%,5.56%,respectively,and the resistance genes including Pi-ta2 and Pi-sh,Pi-i were highly susceptible to these isolates,while the resistance genes like Pi-kh,Pi-1,Pi2,Pi-9 and Pi-50 showed good resistance to tested *** isolates were compatible to the original rice hybrid *** isolates including GDHY-308-1401 were used for testing their pathogenicity to 45 local *** results demonstrated that 13 varieties appeared highly susceptible to the tested isolates,accounting for 28.89%;two varieties appeared moderately susceptible to the tested isolates,accounting for 4.44%;30 varieties showed moderately/highly resistance,accounting for 66.67%.Among them,some of new hybrid combinations such as Wufengyou 9802,Wuyou 613,Wuyou 1179 showed good resistance to the inoculated strains,and they were recommended to be candidates in the rice region where Wuyou308 showed susceptibility.

关键词： Wuyou308 Magnaporthe grisea Pathogenicity Rice variety Combination

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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)

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Genetic diversity of RNA viruses infecting invertebrate pests of rice

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Science China(Life Sciences) 2024年第1期67卷 175-187页

作者： Haoran Wang Shufen Chao Qing Yan Shu Zhang Guoqing Chen Chonghui Mao Yang Hu Fengquan Yu Shuo Wang Liang Lv Baojun Yang Jiachun He Songbai Zhang Liangsheng Zhang Peter Simmonds Guozhong Feng State Key Laboratory of Rice Biology and Breeding China National Rice Research InstituteChinese Academy of Agricultural SciencesHangzhou 311400China State Key Laboratory of Agricultural Microbiology College of Life Science and TechnologyHuazhong Agricultural UniversityWuhan 430070China institute of plant protection&Soil Fertilizer Hubei Academy of Agricultural SciencesWuhan 430064China institute of plant protection Guizhou Academy of Agricultural SciencesGuiyang 550000China institute of plant protection Liaoning Academy of Agricultural SciencesShenyang 110161China Sanya Agricultural Technology Extension and Service Centre Sanya 572000China College of Agriculture Yangtze UniversityJingzhou 434000China Fujian Provincial Key Laboratory of Haixia Applied plant Systems Biology Fujian Agriculture and Forestry UniversityFuzhou 350002China Genomics and Genetic Engineering Laboratory of Ornamental plants College of Agriculture and BiotechnologyZhejiang UniversityHangzhou 310012China Nuffield Department of Medicine Peter Medawar Building for Pathogen ResearchUniversity of OxfordOxford OX13SYUnited Kingdom

Invertebrate species are a natural reservoir of viral genetic diversity,and invertebrate pests are widely distributed in crop ***,information on viruses infecting invertebrate pests of crops is *** this report,we describe the deep metatranscriptomic sequencing of 88 invertebrate samples covering all major invertebrate pests in rice *** identified 296 new RNA viruses and 13 known RNA *** viruses clustered within 31 families,with many highly divergent viruses constituting potentially new families and *** the identified viruses,13 RNA viruses clustered within the Fiersviridae family of bacteriophages,and 48 RNA viruses clustered within families and genera of *** detected known rice viruses in novel invertebrate hosts at high ***,some novel RNA viruses have genome structures closely matching to known plant viruses and clustered within genera of several plant virus *** potential insect pathogenic RNA viruses were detected in invertebrate *** analysis revealed that host taxonomy plays a major role and geographical location plays an important role in structuring viral ***-species transmission of RNA viruses was detected between invertebrate *** identified viral genomes showed extensive variation for invertebrate viral families or ***,the large-scale metatranscriptomic analysis greatly expands our understanding of RNA viruses in rice invertebrate species,the results provide valuable information for developing efficient strategies to manage insect pests and virus-mediated crop diseases.

关键词： invertebrate species metatranscriptome viral diversity viral transmission viral genomes

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plant virology in the 21st century in China:Recent advances and future directions

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Journal of Integrative plant Biology 2024年第3期66卷 579-622页

作者： Jianguo Wu Yongliang Zhang Fangfang Li Xiaoming Zhang Jian Ye Taiyun Wei Zhenghe Li Xiaorong Tao Feng Cui Xianbing Wang Lili Zhang Fei Yan Shifang Li Yule Liu Dawei Li Xueping Zhou Yi Li State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops Vector-borne Virus Research CenterCollege of Plant ProtectionFujian Agriculture and Forestry UniversityFuzhou 350002China State Key Laboratory of plant Environmental Resilience and Ministry of Agriculture Key Laboratory of Soil Microbiology College of Biological SciencesChina Agricultural UniversityBeijing 100193China State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China 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 SciencesBeijing 100049China State Key Laboratory of plant Genomics Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhou 310058China Department of plant Pathology The Key Laboratory of Plant ImmunityNanjing Agricultural UniversityNanjing 210095China State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Institute of Plant VirologyNingbo UniversityNingbo 315211China MOE Key Laboratory of Bioinformatics Center for Plant BiologySchool of Life SciencesTsinghua UniversityBeijing 100084China State Key Laboratory of Protein and plant Gene research School of Life SciencesPeking UniversityBeijing 100871China

plant viruses are a group of intracellular pathogens that persistently threaten global food *** advances in plant virology have been achieved by Chinese scientists over the last 20 years,including basic research and technologies for preventing and controlling plant viral ***,we review these milestones and advances,including the identification of new crop-infecting viruses,dissection of pathogenic mechanisms of multiple viruses,examination of multilayered interactions among viruses,their host plants,and virus-transmitting arthropod vectors,and in-depth interrogation of plantencoded resistance and susceptibility ***,various plant virus-based vectors have also been successfully developed for gene function studies and target gene expression in *** also recommend future plant virology studies in China.

关键词： China emerging plant viruses plant virology plant resistance/susceptibility to viral infection plant-virus transmission vector interactions plant virus-based vectors viral pathogenesis

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Molecular evaluation of Conogethes punctiferalis(Guenée,1854):Species status and intraspecific divergence

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Zoological Systematics 2024年第3期49卷 267-275页

作者： Jin An Yalin Yao Ping Gao Minghua Xiu Chengmin Shi College of plant protection Hebei Agricultural UniversityBaoding 071000China State Key Laboratory of North China Crop Improvement and Regulation Baoding 071000China College of plant protection Shenyang Agricultural UniversityShenyang 110866China

Species are not only the fundamental units of taxonomy but also the basic units of pest *** of Conogethes are important agricultural and forestry ***,species boundaries within Conogethes often appear *** the present study,we reevaluated the species status of Conogethes by applying three species delimitation approaches based on the mitochondrial DNA sequences,with particular emphasis on the yellow peach moth ***(Guenée,1854).We first optimized species delimitation and inter-species genetic divergence threshold using a DNA barcoding *** results revealed that several nominal species of Conogethes species harbored deeply diverged mitochondrial lineages which were recognized as independent species by the species delimitation *** p-distance between the delimited putative species ranged from 0.0159 to 0.1321 with a mean of *** we refined the species status of *** using the smallest interspecific distance threshold based on a geographically comprehensive population-scale *** procedure narrowed the species concept of *** to a genetically coherent *** investigation of its intraspecific divergence in the geographic context revealed that the refined *** was still widely distributed with the same or highly similar mitochondrial haplotypes occurring across South and East Asia.

关键词： Species delimitation DNA barcoding genetic distances mitochondrial DNA

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Developing guanine base editors for G-to-T editing in rice

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Journal of Integrative plant Biology 2024年第8期66卷 1557-1560页

作者： Lang Liu Zhongming Zhang Chenyang Wang Fang Yan Wenxian Sun Xueping Zhou Weiguo Miao Huanbin Zhou State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China Department of plant Pathology China Agricultural UniversityBeijing 100193China Scientiﬁc Observing and Experimental Station of Crop Pests in Guilin Ministry of Agriculture and Rural AffairsGuilin 541399China School of plant protection Hainan UniversityHaikou 570228China State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhou 310058China Key Laboratory of Gene Editing Technologies Ministry of Agricultural and Rural AffairsSanya 572024China

Single nucleotide polymorphisms (SNPs) are widely present and related to desirable agronomic traits in *** regularly interspaced palindromic repeats(CRISPR)/CRISPR-associated nuclease 9 (Cas9)-mediated base editors have been frequently used to correct defective alleles and create novel alleles by artificial evolution for rapid crop genetic improvement (Ma et al.,2021).

关键词： alleles agronomic base

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Two new species in the bamboo-feeding genus Tiaobeinia(Hemiptera:Cicadellidae:Deltocephalinae)from China

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Entomotaxonomia 2024年第3期46卷 220-227页

作者： Mengshu SHEN Wu DAI Key Laboratory of plant protection Resources and Pest Management Ministry of EducationCollege of Plant ProtectionNorthwest A&F UniversityYanglingShaanxi 712100China

Two new species of Mukariini,Tiaobeinia coarseata *** Shaanxi and Tiaobeinia yuani *** Gansu,are *** morphological descriptions and illustrations of these new species are given.A checklist of all known species in this... 详细信息

关键词： Auchenorrhyncha taxonomy key

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