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Turnip mosaic virus pathogenesis and host resistance mechanisms in Brassica

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Horticultural plant Journal 2024年第4期10卷 947-960页

作者： Guanwei Wu Xinxin Fang Tianqi Yu Jianping Chen Fei Yan State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Institute of Plant VirologyNingbo UniversityNingboZhejiang 315211China Key Laboratory of biotechnology in plant Protection of MARA and Zhejiang Province Institute of Plant VirologyNingbo UniversityNingboZhejiang 315211China

Turnip mosaic virus(TuMV)is a devastating potyvirus pathogen that infects a wide variety of both cultivated and wild Brassicaceae *** urgently need more information and understanding of TuMV pathogenesis and the host responses involved in disease development in cruciferous *** displays great versatility in viral pathogenesis,especially in its replication and intercellular ***,in the coevolutionary arms races between TuMV and its hosts,the virus has evolved to co-opt host factors to facilitate its infection and counter host defense *** review mainly focuses on recent advances in understanding the viral factors that contribute to the TuMV infection cycle and the host resistance mechanism in ***,we propose some future research directions on TuMV pathogenesis and control strategies to design durable TuMV-resistant Brassica crops.

关键词： Turnip mosaic virus Brassica Resistance genes Host factors Infection biology

Methane Emission from Rice Fields:Necessity for Molecular Approach for Mitigation

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Rice science 2024年第2期31卷 159-178页

作者： Sujeevan RAJENDRAN Hyeonseo PARK Jiyoung KIM Soon Ju PARK Dongjin SHIN Jong-Hee LEE Young Hun SONG Nam-Chon PAEK Chul Min KIM Department of Horticulture Industry Wonkwang UniversityIksan 54538Korea plant Molecular Biology and biotechnology Research Center Gyeongsang National UniversityJinju 52828Korea Department of Southern Area Crop Science National Institute of Crop ScienceMiryang 50424Korea Department of Agricultural biotechnology Seoul National UniversitySeoul 08826Korea Department of plant Science Plant Genomics and Breeding InstituteResearch Institute of Agriculture and Life SciencesSeoul National UniversitySeoul 08826Korea

Anthropogenic methane emissions are a leading cause of the increase in global averagetemperatures,often referred to as global *** soils play a significant role in methaneproduction,where the anaerobic conditions promote the production of methane by *** fields contribute a considerable portion of agricultural methane emissions,as riceplants provide both factors that enhance and limit methane *** plants harbor both methaneproducingand methane-oxidizing *** from rice roots provide source for methaneproduction,while oxygen delivered from the root aerenchyma enhances methane *** haveshown that the diversity of these microorganisms depends on rice cultivars with some genes characterizedas harboring specific groups of microorganisms related to methane ***,there is still aneed for research to determine the balance between methane production and oxidation,as rice plantspossess the ability to regulate net methane *** agronomical practices,such as fertilizerand water management,have been employed to mitigate methane ***,studiescorrelating agronomic and chemical management of methane with productivity are ***,evidences for breeding low-methane-emitting rice varieties are scattered largely due to the absence ofcoordinated breeding *** has indicated that phenotypic characteristics,such as rootbiomass,shoot architecture,and aerenchyma,are highly correlated with methane *** reviewdiscusses available studies that involve the correlation between plant characteristics and *** emphasizes the necessity and importance of breeding low-methane-emitting rice varieties inaddition to existing agronomic,biological,and chemical *** review also delves into the idealphenotypic and physiological characteristics of low-methane-emitting rice and potential breeding techniques,drawing from studies conducted

关键词： methane emission rice breeding aerenchyma greenhouse gas radial oxygen loss

Two viral proteins translated from one open reading frame target different layers of plant defense

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plant Communications 2024年第4期5卷 177-193页

作者： Yuzhen Mei Tao Hu Yaqin Wang Rosa Lozano-Duran Xiuling Yang Xueping Zhou State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China Department of plant Biochemistry Center for Plant Molecular Biology(ZMBP)Eberhard Karls University72076 TubingenGermany

Multilayered defense responses are activated upon pathogen *** utilize a number of strategies to maximize the coding capacity of their small genomes and produce viral proteins for infection,including suppression of host ***,we reveal translation leakage as one of these strategies:two viral effec-tors encoded by tomato golden mosaic virus,chloroplast-localized C4(cC4)and membrane-associated C4(mC4),are translated from two in-frame start codons and function cooperatively to suppress ***4 localizes in chloroplasts,to which it recruits NbPUB4 to induce ubiquitination of the outer membrane;as a result,this organelle is degraded,and chloroplast-mediated defenses are ***,chloroplast-localized cC4 induces the production of singlet oxygen(1O2),which in turn promotes translo-cation of the 1O2 sensor NbMBS1 from the cytosol to the nucleus,where it activates expression of the CERK1 ***,an antiviral effect exerted by CERK1 is countered by mC4,localized at the plasma ***4,like cC4,recruits NbPUB4 and promotes the ubiquitination and subsequent degradation of CERK1,suppressing membrane-based,receptor-like kinase-dependent ***,this translation leakage strategy seems to be conserved in multiple viral species and is related to host *** suggests that stacking of different cellular antiviral responses could be an effective way to abrogate viral infection and engineer sustainable resistance to major crop viral diseases in thefield.

关键词： geminivirus C4 PUB4 CERK1 subcellular localization antiviral defense

UDP-glucosyltransferase 71C4 controls the flux of phenylpropanoid metabolism to shape cotton seed development

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plant Communications 2024年第8期5卷 157-171页

作者： Yiwen Cao Zegang Han Zhiyuan Zhang Lu He Chujun Huang Jinwen Chen Fan Dai Lisha Xuan Sunyi Yan Zhanfeng Si Yan Hu Tianzhen Zhang Zhejiang Provincial Key Laboratory of Crop Genetic Resources the Advanced Seed InstitutePlant Precision Breeding AcademyCollege of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina Hainan institute Zhejiang UniversitySanyaChina

Seeds play a crucial role in plant reproduction,making it essential to identify genes that affect seed devel*** this study,we focused on UDP-glucosyltransferase 71C4(UGT71C4)in cotton,a member of the glycosyltransferase family that shapes seed width and length,thereby influencing seed index and seed cotton *** of UGT71C4 results in seed enlargement owing to its glycosyltransferase activity on flavonoids,which redirects metabolic flux from lignin to flavonoid *** shift promotes cell proliferation in the ovule via accumulation of flavonoid glycosides,significantly enhancing seed cotton yield and increasing the seed index from 10.66 g to 11.91 *** contrast,knockout of UGT71C4 leads to smaller seeds through activation of the lignin metabolism pathway and redirection of metabolic flux back to lignin *** redirection leads to increased ectopic lignin deposition in the ovule,inhibiting ovule growth and development,and alters yield components,increasing the lint percentage from 41.42%to 43.40%and reducing the seed index from 10.66 g to 8.60 *** research sheds new light on seed size development and reveals potential pathways for enhancing seed yield.

关键词： UDP-glucosyltransferase seed development phenylpropanoid metabolism gene editing

Chloroplast immunity: A cornerstone of plant defense

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Molecular plant 2024年第5期17卷 686-688页

作者： Jie Liu Pan Gong Ruobin Lu Rosa Lozano-Duran Xueping Zhou Fangfang Li State Key Laboratory for Biology of plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100081China State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China Department of plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityTubingen 72076Germany

Increasing evidence supports the notion that pattern-recognition-receptor-mediated immunity goes beyond plasma membrane-to-nucleus *** the findings of the pathways linking plasma membrane and chloroplasts and the functions of stromules and perinuclear chloroplast clustering(PCC)in plant defense,chloroplast immunity has emerged as a cornerstone of plant defense and a target of plant pathogens.

关键词： plant immunity corners

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23卷 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 UniversityWuhan 430070China

Cotton(Gossypium spp.)is a pivotal crop in the global textile industry,providing essential natural ***,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).

关键词： breakthrough cotton finished

Single carbon metabolism–A new paradigm for microbial bioprocesses?

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Synthetic and Systems biotechnology 2024年第2期9卷 322-329页

作者： Michael Baumschabl Özge Ata Diethard Mattanovich Austrian Centre of Industrial biotechnology(ACIB) Vienna1190Austria University of Natural Resources and Life Sciences Department of BiotechnologyInstitute of Microbiology and Microbial BiotechnologyViennaAustria

Increasing atmospheric carbon dioxide levels,a reduction of arable land area and the dependence of first and second generation biotechnology feedstocks on agricultural products,call for alternative,sustainable feedstock sources for industrial *** direct use of CO_(2)or conversion of CO_(2)into other single carbon(C1)sources have great potential as they might help to reduce carbon emissions and do not compete with agricultural land *** we discuss the microbial use of C1 carbon sources,their potential applications in biotechnology,and challenges towards sustainable C1-based industrial biotechnology *** focus on methanol,formic acid,methane,syngas,and CO_(2)as feedstocks for bioprocesses,their assimilation pathways,current and emerging applications,and limitations of their *** mini-review is intended as a first introduction for researchers who are new to the field of C1 biotechnology.

关键词： Sustainability BioeconomyCarbon dioxide Methanol Formate Methane

Establishment of a transformation system in close relatives of wheat under the assistance of TaWOX5

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Journal of Integrative Agriculture 2024年第6期23卷 1839-1849页

作者： Yanan Chang Junxian Liu Chang Liu Huiyun Liu Huali Tang Yuliang Qiu Zhishan Lin Ke Wang Yueming Yan Xingguo Ye institute of Crop Sciences Chinese Academy of Agricultural SciencesBeijing 100081China Beijing Key Laboratory of plant Gene Resources and biotechnology for Carbon Reduction and Environment Improvement/College of Life Science Capital Normal UniversityBeijing 100048China College of Agronomy and biotechnology China Agricultural UniversityBeijing 100193China State Key Laboratory of plant Cell and Chromosome Engineering/institute of Genetics and Developmental Biology Chinese Academy of SciencesBeijing 100101China

Species closely related to wheat are important genetic resources for agricultural production,functional genomics studies and wheat *** this study,a wheat gene related to regeneration,TaWOX5,was applied to establish the Agrobacterium-mediated transformation systems of Triticum monococcum,hexaploid triticale,and rye(Secale cereale L.)using their immature *** plants were efficiently *** the transformation process,the Agrobacterium infection efficiency was assessed by histochemical staining forβ-glucuronidase(GUS).Finally,the transgenic nature of regenerated plants was verified by polymerase chain reaction(PCR)-based genotyping for the presence of the GUS and bialaphos resistance(bar)genes,histochemical staining for GUS protein,and the QuickStix strip assay for bar *** transformation efficiency of *** genotype PI428182 was 94.4%;the efficiencies of four hexaploid triticale genotypes Lin456,ZS3297,ZS1257,and ZS3224 were 52.1,41.2,19.4,and 16.0%,respectively;and the transformation efficiency of rye cultivar Lanzhou Heimai was 7.8%.Fluorescence in situ hybridization(FISH)and genomic in situ hybridization(GISH)analyses indicated that the GUS transgenes were integrated into the distal or near centromere(proximal)regions of the chromosomes in transgenic *** and hexaploid triticale *** the transgenic hexaploid triticale plants,the foreign DNA fragment was randomly integrated into the AABB and RR ***,the transgene was almost stably inherited in the next generation by Mendel’s *** findings in this study will promote the genetic improvement of the three plant species for grain or forage production and the improvement of cereal species including wheat for functional genomics studies.

关键词： Triticum monococcum hexaploid triticale rye TaWOX5 Agrobacterium transformation efficiency

Hordedane diterpenoid phytoalexins restrict Fusarium graminearum infection but enhance Bipolaris sorokiniana colonization of barley roots

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Molecular plant 2024年第8期17卷 1307-1327页

作者： Yaming Liu Dario Esposto Lisa K.Mahdi Andrea Porzel Pauline Stark Hidayat Hussain Anja Scherr-Henning Simon Isfort Ulschan.Bathe Ivan F.Acosta Alga Zuccaro Gerd U.Balcke Alain Tissier Department of Cell and Metabolic Biology Leibniz Institute of Plant BiochemistryHalleGermany institute for plant Sciences Cluster of Excellence on Plant Sciences(CEPLAS)Cologne BiocenterUniversity of CologneCologneGermany Department of Bioorganic Chemistry Leibniz Institute of Plant BiochemistryHalleGermany Max Planck institute for plant Breeding Research CologneGermany Horticultural Sciences University of FloridaGainesvilleFLUSA.

plant immunity is a multilayered process that includes recognition of patterns or effectors from pathogens to elicit defense *** include the induction of a cocktail of defense metabolites that typically restrict pathogen ***,we investigate the interaction between barley roots and the fungal pathogens Bipolaris sorokiniana(Bs)and Fusarium graminearum(Fg)at the metabolite *** identify hordedanes,a previously undescribed set of labdane-related diterpenoids with antimicrobial properties,as critical players in these *** of barley roots by Bs and Fg elicits hordedane synthesis from a 60o-kb gene *** reconstruction of the biosynthesis pathway in yeast and Nicotiana benthamiana produced several hordedanes,including one of the most functionally decorated products 19-β-hydroxy-hordetrienoic acid(19-OH-HTA).Barley mutants in the diterpene synthase genes of this cluster are unable to produce hordedanes but,unexpectedly,show reduced Bs *** contrast,colonization by Fusarium graminearum,another fungal pathogen of barley and wheat,is 4-fold higher in the mutants completely lacking ***,19-OH-HTA enhances both germination and growth of Bs,whereas it inhibits other pathogenic fungi,including *** of microscopy and transcriptomics data suggest that hordedanes delay the necrotrophic phase of *** together,these results show that adapted pathogens such as Bs can subvert plant metabolic defenses to facilitate root colonization.

关键词： barley Hordeum vulgare diterpenoid phytoalexins gene cluster pathogenic fungi Bipolaris sorokininiana Fusarium graminearum