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An enhancer–promoter-transcription factor module orchestrates plant immune homeostasis by constraining camalexin biosynthesis

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Molecular plant 2025年第1期18卷 95-113页

作者： Ying Zhang Meng Tang Yi Zhang Qinglin Cheng Lijiang Liu Wei Chen Jiatao Xie Jiasen Cheng Yanping Fu Bo Li Daohong Jiang Xiao Yu National Key laboratory of Agricultural Microbiology Huazhong Agricultural UniversityWuhanHubei 430070China The Provincial Key lab of plant pathology of Hubei Province College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubei 430070China Hubei Hongshan laboratory WuhanHubei 430070China National Key laboratory of Crop Genetic Improvement and National Center of plant Gene Research(Wuhan) Huazhong Agricultural UniversityWuhan 430070China Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of AgricultureWuhan 430062China

Effective plant defense against pathogens relies on highly coordinated regulation of immune gene ***,as cis-regulatory elements,are indispensable determinants of dynamic gene regulation,but the molecular functions in plant immunity are not well *** this study,we identified a novel enhancer,CORE PATTERN-INDUCED ENHANCER 35(CPIE35),which is rapidly activated upon pathogenic elicitation and negatively regulates antifungal resistance through modulating WRKY15 *** immune activation,CPIE35 activates the transcription of WRKY15 by forming chromatin loops with the promoter of WRKY15 in a WRKY18/40/60-,WRKY33-,and MYC2-dependent ***15 directly binds to the promoters of PAD3 and GSTU4,suppressing their expression and leading to reduced camalexin synthesis and ***,CPIE35 region is evolutionarily conserved among Brassicaceae plants,and the CPIE35-WRKY15 module exerts similar functions in Brassica napus to negatively regulate antifungal *** work reveals the“enhancer–promoter-transcription factor”regulatory mechanism in maintenance of immune homeostasis,highlighting the importance and conserved role of enhancers in fine-tuning immune gene expression in plants.

关键词： plant innate immunity enhancers antifungal resistance transcriptional regulation cis-regulatory elements transcription factors

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A major facilitator superfamily transporter PlMFS1 contributes to growth,oosporogenesis,and pathogenesis of Peronophythora litchii

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Horticultural plant Journal 2025年第1期11卷 189-198页

作者： Pinggen Xi Tianfang Guan Xiyuan Liu Xiaofeng Li Ziyuan Dou Liyun Shi Jiamin Huang Liqun Jiang Junjian Situ Minhui Li Guanghui Kong Zide Jiang Guangdong Province Key laboratory of Microbial Signals and Disease Control/Department of plant pathology South China Agricultural UniversityGuangzhouGuangdong 510642China Rice Research Institute Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of New Technology in Rice BreedingGuangzhouGuangdong 510640China

Major facilitator superfamily(MFS)transporters are secondary active membrane transporters that play an important role in solute interchange and energy *** litchii causes the most destructive disease on lichi,litchi downy ***90 was reported as a key oosporogenesis ***,we identified an MFS transporter gene PlMFS1,which is up-regulated during oospore formation at the late infection stage,while down-regulated in the PlM90 *** investigate PlMFS1 function,we generated PlMFS1knockout mutants using CRISPR/Cas9-mediated genome editing *** with the wild-type strain SHS3,PlMFS1 deletion impaired mycelium growth,zoospore release,oospore production and ***,PlMFS1 deletion significantly affected *** utilization of fructose,lactose and maltose,and may be the PlMFS1 mechanism involved in mycelial ***1 gene deletion also led to deceased laccase activity,laccase-encoding gene downregulation and impaired *** *** our knowledge,this is the first report of an MFS transporter involved in sugar utilization,sexual reproduction,asexual reproduction and pathogenesis in oomycetes.

关键词： Peronophythora litchii Major facilitator superfamily Oospore Pathogenicity

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Lysobacter enzymogenes:A fully armed biocontrol warrior

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Journal of Integrative Agriculture 2025年第1期24卷 23-35页

作者： Long Lin Xiaolong Shao Yicheng Yang Aprodisia Kavutu Murero Limin Wang Gaoge Xu Yangyang Zhao Sen Han Zhenhe Su Kangwen Xu Mingming Yang Jinxing Liao Kaihuai Li Fengquan Liu Guoliang Qian Key laboratory of Integrated Management of Crop Diseases and Pests/College of plant Protection Nanjing Agricultural UniversityNanjing210095China Institute of plant Protection Jiangsu Academy of Agricultural SciencesNanjing 210014China Integrated Pest Management Innovation Center of Hebei Province Plant Protection InstituteHebei Academy of Agriculture and ForestrySciencesBaoding 071000China Marine Agriculture Research Center Tobacco Research InstituteChinese Academy of Agricultural SciencesQingdao 266101China Collegeof plant Protection Northwest A&FUniversityYangling 712100China Hunan Provincial Key laboratory for Biology and Control of plant Diseases and plant Pests College of Plant ProtectionHunan AgriculturalUniversityChangsha 410128China Department of plant pathology College of AgricultureGuizhou UniversityGuiyang 550025China

Lysobacter enzymogenes is less-studied, but emerging as a powerful biocontrol bacterium producing multiple antimicrobial weapons including lytic enzymes, toxins, secondary metabolites and protein secretion *** loss of surface-attached flagellum, production of heat-stable antifungal factor(HSAF, also named as Ningrongmycin) as a novel antifungal antibiotic, and the use of the type Ⅳ secretion system(T4SS) rather than the common type Ⅵ secretion system(T6SS) to kill competitor bacteria make this species unique. These distinct features set L. enzymogenes apart from well-studied plant beneficial biocontrol agents, such as Bacillus and Pseudomonas. This review describes what takes L. enzymogenes to be a unique biocontrol warrior by focusing to illustrate how the lack of flagellum governs morphological and functional co-adaptability, what adapted signaling transduction pathways are adopted to coordinate the biosynthesis of HSAF, and how to ecologically adapt plant rhizosphere by cell-to-cell interacting with microbiome members via the bacterial-killing T4SS.

关键词： Lysobacter enzymogenes antimicrobial metabolites loss of flagell typeⅣsecretion system

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Oil Palm Particleboard: Properties and Fungi Susceptibility

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Journal of Renewable Materials 2025年第1期13卷 163-180页

作者： Nur Azreena Idris Madihah Ahmad Zairun Aisyah Humaira Alias Zawawi Ibrahim Noorshamsiana Abdul Wahab Biomass Technology Unit Engineering and Processing DivisionMalaysian Palm Oil BoardNo.6Persiaran InstitusiBandar Baru BangiKajang43000Malaysia plant pathology&Biosecurity Unit Biology Research Division Malaysian Palm Oil BoardNo.6Persiaran InstitusiBandar Baru BangiKajang43000Malaysia

The utilization of oil palm biomass in the production of high-value products has increased *** to the presence of sugars and starches in their tissues,oil palms have an exceptionally low natural resistance to fungi,making them susceptible to *** this study,the properties of particleboard made from oil palmﬁbers,namely empty fruit bunches(EFB),oil palm trunks(OPT),and oil palm fronds(OPF)ﬁbers and its poten-tial for fungal attack were *** chemical composition,spectroscopic characterization,morphological features,and elemental analysis of oil palm biomassﬁbers were identiﬁed and thoroughly *** mechan-ical properties and dimensional stability of the boards were assessed based on Japanese Industrial Standards(JIS)and American National Standards Institute(ANSI)*** density,strength,and moisture resistance of particleboard made from OPTﬁbers may vary from those made from OPF and EFB due to inherent changes in chemical composition andﬁber *** differences have an impact on the overall performance of the *** on the ANOVA and Tukey’s test results,signiﬁcant differences in elasticity properties were observed mainly between OPT and otherﬁbers,while bending strength revealed notable differences between various pairs of *** evaluation also highlighted variations in dimensional stability and water absorption ***,bending strength properties did not demonstrate any signiﬁcant *** the fungi test,fungal activity on the boards was observed over a two-week period in a controlled *** study revealed that oil palm-based particleboard exhibited susceptibility to fungal attacks,particularly from Aspergillus sp.,Trichoderma sp.,and Paecilomyces ***ﬁndings highlight the necessity for additional treatments to control or prevent fungal growth,thereby enhancing the commercial value of the particleboards.

关键词： Particleboard medium densityﬁberboard(MDF) empty fruit bunches(EFB) oil palm trunks(OPT) and oil palm fronds(OPF)

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Field Screening and Evaluation of the Varietal Performance of Jute and Allied Fiber Crops against Viral and Nemic Disease and Their Impact on Yield

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American Journal of plant Sciences 2025年第1期16卷 76-87页

作者： Fatema Begum Kamrur Rashid Farhan Hossain Fahim Department of plant pathology Sher-e-Bangla Agricultural University Dhaka Bangladesh Faculty of Agriculture Sher-e-Bangla Agricultural University Dhaka Bangladesh

Jute is the golden fiber crop of Bangladesh. Viral and Nemic diseases are the major threats to fiber crops, and the fiber yield decreases drastically as the disease infection increases. An experiment was conducted to screen and evaluate ten Jute and allied fiber varieties i.e. BJRI Kenaf-4, BJRI Kenaf-3, HS-95 (Kenaf), HS-24 (Mesta pat), HC-2 (Kenaf), BJRI Deshi pat-8, BJRI Deshi pat-7, BJRI Deshi pat-5, BJRI Deshi pat-6 and CVL-1 against mosaic virus and root-knot nematode disease. It was done in RCBD design with three replications at Sher-e-Bangla Agricultural University (SAU) central farm, Dhaka-1207, from June 2018 to March 2019. In the case of viral infection, variety 4 (HS-24 (Mesta pat)) showed maximum virus incidence (23.11%), whereas variety 2 (BJRI Kenaf-3) had no virus evidence. The most susceptible nematode-infected variety was found in varieties 5 (HC-2 (Kenaf)) and 9 (BJRI Deshi pat-6), which showed 80% incidence, whereas variety 2 (BJRI Kenaf-3) was highly resistance. The growth and yield results showed a significant (0.05%) reduction of plant height (cm) and fiber weight (t/ha) with an increase in the percentage of virus and nematode incidence against all varieties. The highest fiber weight (1.47 t/ha) and the lowest viral (0%) and nemic infection (0%) were found in variety 2 (BJRI Kenaf-3), which showed better performance compared to other varieties. These results revealed that variety 2 (BJRI Kenaf-3) had the best variety in the present study.

关键词： Mosaic Virus Nemic Disease Meloidogyne javanica Bemisia tabaci Jute Allied Fiber

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Rice plant growth and yield: foliar application of plasma activated water

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Plasma Science and Technology 2021年第7期23卷 134-143页

作者： M M RASHID Mamunur RASHID M M HASAN M R TALUKDER Plasma Science and Technology lab Department of Electrical and Electronic EngineeringUniversity of RajshahiRajshahi 6205Bangladesh plant pathology and mycology lab Department of BotanyUniversity of RajshahiRajshahi 6205Bangladesh plant pathology lab Department of Agronomy and Agricultural ExtensionUniversity of RajshahiRajshahi 6205Bangladesh

Plasma activated water(PAW)was prepared for 10 min to be applied one toﬁve times as a foliar spray to rice plants,to investigate plant growth,yield and the concentrations of total soluble protein and sugar in the rice grains *** results reveal that(1)the plant height,stem diameter,dry weight,chlorophyll and total carotene concentrations were improved by∼15%,∼25%,∼24%,∼47%and∼45%,respectively,with respect to control,(2)defense mechanisms of the plants treated with PAW were improved,(3)concentrations of total soluble protein and sugar were enhanced in the rice grains of PAW treated plants and(4)yield was increased by∼14%.

关键词： plasma agriculture plasma activated water rice plant growth rice yield total soluble protein

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Independent and interactive effects of N and P additions on foliar P fractions in evergreen forests of southern China

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FOREST ECOSYSTEMS 2025年第1期12卷 66-73页

作者： Meng, Qingquan Shi, Zhijuan Yan, Zhengbing Lambers, Hans Luo, Yan Han, Wenxuan China Agr Univ Minist Educ Coll Resources & Environm Sci Key Lab Plant Soil Interact Beijing 100193 Peoples R China Chinese Acad Sci Inst Bot Beijing 100093 Peoples R China Univ Western Australia Sch Biol Sci Perth WA 6009 Australia Xinjiang Univ Educ Minist Coll Ecol & Environm Key Lab Oasis Ecol Urumqi 830017 Peoples R China

Fertilization or atmospheric deposition of nitrogen (N) and phosphorus (P) to terrestrial ecosystems can alter soil N (P) availability and the nature of nutrient limitation for plant growth. Changing the allocation of leaf P fractions is potentially an adaptive strategy for plants to cope with soil N (P) availability and nutrient-limiting conditions. However, the impact of the interactions between imbalanced anthropogenic N and P inputs on the concentrations and allocation proportions of leaf P fractions in forest woody plants remains elusive. We conducted a meta- analysis of data about the concentrations and allocation proportions of leaf P fractions, specifically associated with individual and combined additions of N and P in evergreen forests, the dominant vegetation type in southern China where the primary productivity is usually considered limited by P. This assessment allowed us to quantitatively evaluate the effects of N and P additions alone and interactively on leaf P allocation and use strategies. Nitrogen addition (exacerbating P limitation) reduced the concentrations of leaf total P and different leaf P fractions. Nitrogen addition reduced the allocation to leaf metabolic P but increased the allocation to other fractions, while P addition showed opposite trends. The simultaneous additions of N and P showed an antagonistic (mutual suppression) effect on the concentrations of leaf P fractions, but an additive (summary) effect on the allocation proportions of leaf P fractions. These results highlight the importance of strategies of leaf P fraction allocation in forest plants under changes in environmental nutrient availability. Importantly, our study identified critical interactions associated with combined N and P inputs that affect leaf P fractions, thus aiding in predicting plant acclimation strategies in the context of intensifying and imbalanced anthropogenic nutrient inputs.

关键词： Anthropogenic nutrient inputs Individual and combined effects Interactive effects Leaf phosphorus fractions Nitrogen and phosphorus additions Nutrient-utilization strategies Woody plants

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plant-substrate biochar properties critical for mediating reductive debromination of 1,2-dibromoethane

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Journal of Environmental Sciences 2025年第1期147卷 1-10页

作者： Jonathan H.Lindhardt Peter E.Holm Yong-Guan Zhu Changyong Lu Hans Christian B.Hansen Department of plant and Environmental Sciences Faculty of ScienceUniversity of CopenhagenThorvaldsensvej 401871 Frederiksberg CDenmark Key lab of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Sino-Danish Center for education and research China and DenmarkDalgas Avenue 4DK-8000 Aarhus C.Denmark

Dibromoethane is a widespread,persistent organic *** are known mediators of reductive dehalogenation by layered Fe^(Ⅱ)-Fe^(Ⅲ)hydroxides(green rust),which can reduce 1,2-dibromoethane to innocuous bromide and ***,the critical characteristics that determine mediator functionality are lesser *** biochar substrates were pyrolyzed at 600℃and 800℃,characterized by elemental analysis,X-ray photo spectrometry C and N surface speciation,X-ray powder diffraction,specific surface area analysis,and tested for mediation of reductive debromination of 1,2-dibromoethane by a green rust reductant under anoxic conditions.A statistical analysis was performed to determine the biochar properties,critical for debromination kinetics and total debromination *** was shown that selected plant based biochars can mediate debromination of 1,2-dibromoethane,that the highest first order rate constant was 0.082/hr,and the highest debromination extent was 27%in reactivity experiments with 0.1μmol(20μmol/L)1,2-dibromoethane,≈22 mmol/L Fe^(Ⅱ)GR,and 0.12 g/L soybean meal biochar(7 days).Contents of Ni,Zn,N,and P,and the relative contribution of quinone surface functional groups were significantly(p<0.05)positively correlated with 1,2-dibromoethane debromination,while adsorption,specific surface area,and the relative contribution of pyridinic N oxide surface groups were significantly negatively correlated with debromination.

关键词： Environmental remediation Biochar Persistent organic pollutants(POPs) Environmental catalysis Green rust

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Ligninolytic enzymes production by endophytic fungus Diaporthe phaseolorum(Desm.)*** the influence of different carbon and nitrogen sources

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Studies in Fungi 2021年第1期6卷 531-542页

作者： Kumar V Prasher IB mycology and plant pathology lab. Department of BotanyPanjab University ChandigarhChandigarh-160014India

Endophytic fungi are being investigated for their ability to create industrially relevant secondary *** recent years,there has been a surge in interest in these fungi as a source of novel enzymes,particularly hydrolytic *** present study investigated the effect of different carbon,organic and inorganic nitrogens on the growth and ligninolytic enzyme production by the endophytic fungus Diaporthe *** fungus was isolated from the leaves of Dillenia indica and analyzed by morpho-molecular *** fungus showed promising results for in vitro production of ligninolytic *** was the most favorable carbon compound for growth among all the carbon compounds *** displayed maximum lignin peroxidase(Lip)activity in fructose(3.5 U/ml),followed by pectin(2.60 U/ml)and glucose(2.53 U/ml).Glucose gave the highest manganese peroxidase(MnP)activity i.e.,6.88 U/ml followed by starch,sucrose and ***,the maximum laccase activity was 44.5 U/ml in *** nitrate and L-asparagine were the best inorganic and organic nitrogen for *** the case of ligninolytic enzyme production,ammonium acetate and ammonium phosphate were the best media for LiP and MnP,whereas laccase production was highest in ammonium nitrate supplemented *** organic nitrogen sources,medium supplemented with DL-tryptophan gave the highest Lip production,whereas MnP and laccase production was observed in the medium containing L-tyrosine and *** the best of our knowledge,this is the first report related to the growth and ligninolytic enzyme production by Diaporthe *** findings from the study will assist researchers in improving the production of ligninolytic enzymes by this fungus under in vitro conditions on an industrial scale.

关键词： Hydrolytic enzymes Industrially In vitro Manganese peroxidase Morpho molecular analysis

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Isolation and Structural Speculation of Herbicide-Active Compounds from the Metabolites of Pythium aphanidermatum

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Journal of Integrative Agriculture 2013年第6期12卷 1026-1032页

作者： ZHANG Li-hui ZHANG Jin-lin LIU Ying-chao CAO Zhi-yan HAN Jian-min YANG Juan DONG Jin-gao Mycotoxin and Molecular plant pathology lab Agricultural University of Hebei

Natural herbicides, or environment-friendly bioherbicides have been attracted more and more attentions. Isolation and structural identification of natural herbicide-active compounds from plant pathogens has been proved to be an effective approach for novel lead discovery of the pesticide development. In this study, the metabolites of the mutant strain PAM1, which obtained from PA1 of Pythium aphanidermatum （Eds.） Fitzp by ultraviolet radiation were separated and identified by HPLC, NMR, and IR. The results revealed that three active compounds including 4-hydroxy-3-methoxycinnamic acid and two indole derivatives, exhibited inhibition activity on the elongation of radical and coleoptile of Digtaria sanguinalis （L.） Scop.

关键词： herbicidal principles compounds P. aphanidermatum

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