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Exploring the nano-fungicidal efficacy of green synthesized magnesium oxide nanoparticles(MgO NPs)on the development,physiology,and infection of carrot(Daucus carota L.)with Alternaria leaf blight(ALB):Molecular docking

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Journal of Integrative Agriculture 2023年第10期22卷 3069-3080页

作者： Lukman AHAMAD Azmat ALI KHAN Masudulla KHAN Orudzhev FARID Mahboob ALAM plant Pathology/Nematology Laboratory Department of BotanyAligarh Muslim UniversityAligarh 202002India Regional plant Quarantine Station Salt LakeKolkata 700097India Pharmaceutical biotechnology Laboratory Department of Pharmaceutical ChemistryCollege of PharmacyKing Saud UniversityRiyadh 11451Saudi Arabia Botany section Women’s CollegeAligarh Muslim UniversityAligarh 202002India Amirkhanov Institute of Physics Dagestan Federal Scientific CenterRussian Academy of SciencesMakhachkala 367003Russia Department of Safety Engineering Dongguk UniversityGyeongju-si 780714Republic of Korea

In this research,green synthesized magnesium oxide nanoparticles(MgO NPs)from lemon fruit extracts and their fungicidal potential was evaluated against Alternaria dauci infection on carrot(Daucus carota L.)under greenhouse *** scanning and transmission electron microscopy(SEM and TEM)and ultra-violet(UV)visible spectroscopy were used to validate and characterize MgO *** crystalline nature of MgONPs was determined using selected area electron diffraction(SAED).MgO NPs triggered substantial antifungal activity against *** when exposed to 50 and 100 mg L^(–1)concentrations but the higher antifungal potential was noticed in 100 mg L^(–1)under invitro *** fungal inoculated plants,a marked decrease in growth,photosynthetic pigments,and an increase in phenol,proline contents,and defense-related enzymes of carrot were seen over control(distilled water).However,foliar application of MgO NPs at 50 and 100 mg L^(–1)resulted in significant improvement of plant growth,photosynthetic pigments,phenol and proline contents,and defense enzymes activity of carrots with and without *** *** of MgO NPs at 100 mg L^(–1)had more plant length(17.11%),shoot dry weight(34.38%),plant fresh weight(20.46%),and root dry weight(49.09%)in carrots when challenged with *** over inoculated *** leaf blight indices and percent disease severity were also reduced in *** inoculated plants when sprayed with MgO *** non-bonding interactions of Alternaria genus protein with nanoparticles were studied using molecular docking.

关键词： green synthesis MgO nanoparticles alternaria leaf blight photosynthetic pigments defense enzymes carrot

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TSC1 enables plastid development under dark conditions, contributing to rice adaptation to transplantation shock

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Journal of Integrative plant Biology 2018年第2期60卷 112-129页

作者： Xiaoliang Shi Sunlu Chen Yu Peng Yufeng Wang Jiugeng Chen Zhanghua Hu Baohe Wang Aihong Li Daiyin Chao Yuhong Li Sheng Teng Laboratory of Photosynthesis and Environmental Biology CAS Center for Excellence in Molecular Plant Sciences Shanghai Institute of Plant Physiology and Ecology Chinese Academy of Science National Key Laboratory of plant Molecular Genetics CAS Center for Excellence in Molecular Plant Sciences Shanghai Institute of Plant Physiology and Ecology Chinese Academy of Sciences Institute of Virology and biotechnology Zhejiang Academy of Agricultural Sciences Rice Breeding Center Lixiahe Agricultural Research Institute of Jiangsu Province

Since its domestication from wild rice thousands of years ago, rice has been cultivated largely through transplantation. During transplantation from the nursery to the paddy field, rice seedlings experience transplantation shock which affects their physiology and ***, the mechanisms underlying transplantation shock and rice adaptation to this shock are largely unknown. Here,we isolated a transplant-sensitive chloroplast-deficient（tsc_1）rice mutant that produces albino leaves after *** light from reaching the juvenile leaves and leaf primordia caused chloroplast deficiencies in transplanted tsc_1 seedlings. TSC_1 encodes a noncanonical adenosine triphosphate-binding cassette（ABC） transporter homologous to At NAP_（14） and is of cyanobacterial origin. We demonstrate that TSC_1 controls plastid development in rice under dark conditions, and functions independently of light ***, light rescued the tsc_1 mutant phenotype in a spectrum-independent manner. TSC_1 was upregulated following transplantation, and modulated the iron and copper levels, thereby regulating prolamellar body formation during the early P_4 stage of leaf development. Therefore, TSC_1 is indispensable for plastid development in the absence of light,and contributes to adaptation to transplantation *** study provides insight into the regulation of plastid development and establishes a framework for improving recovery from transplantation shock in rice.

关键词： TSC1 enables plastid development under dark conditions Figure contributing to rice adaptation to transplantation shock

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A review: The beneficial effects and possible mechanisms of aluminum on plant growth in acidic soil

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Journal of Integrative Agriculture 2019年第7期18卷 1518-1528页

作者： Noor Muhammad Gerald Zvobgo ZHANG Guo-ping Department of Agronomy College of Agriculture and BiotechnologyZhejiang UniversityHangzhou 310058P.R.China physiology/Chemistry section Central Cotton Research InstituteMultan 60500Pakistan

Aluminum(Al) is the third most abundant element in the earth’s crust and a major factor inhibiting plant growth and reducing crop yield in acidic *** there is substantial research on the phytotoxic effects and the underlying mechanisms of Al by applying Al alone hydroponically,soil is a complex medium containing numerous mineral elements that can interact with Al and other elements and their bioavailability in *** this review,we describe the roles of Al in promoting plant growth,enhancing phosphorus availability and efficient use in plants,and alleviating H+,iron,and manganese toxicity in acidic ***,we discuss the possible mechanisms of enhanced abiotic stress tolerance induced by *** also elucidate the role of Al in attracting plant growth promoting rhizo-bacteria(PGPR) and their interactions with plants by increasing organic exudates.

关键词： aluminum interaction iron manganese organic acids phosphorous tolerance

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Why mosaic? Gene expression profiling of African cassava mosaic virus-infected cassava reveals the effect of chlorophyll degradation on symptom development

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Journal of Integrative plant Biology 2014年第2期56卷 122-132页

作者： Jiao Liu Jun Yang Huiping Bi Peng Zhang Shanghai Chenshan plant Science Research Center the Chinese Academy of Sciences Chenshan Botanical Garden National Key Laboratory of plant Molecular Genetics and National Center for plant Gene Research (Shanghai) Institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences the Chinese Academy of Science Key Laboratory of Systems Microbial biotechnology Tianjin Institute of Industrial Biotechnology the Chinese Academy of Sciences Tianjin Airport Economic Park

Cassava mosaic disease, caused by cassava bego- moviruses, is the most serious disease for cassava in Africa. However, the pathogenesis of this disease is poorly under- stood. We employed high throughput digital gene expression profiling based on the Illumina Solexa sequencing technology to investigate the global transcriptional response of cassava to African cassava mosaic virus infection. We found that 3,21o genes were differentially expressed in virus-infected cassava leaves. Gene ontology term and Kyoto Encyclopedia of Genes and Genomes pathway analysis indicated that genes implicated in photosynthesis were most affected, consistent with the chlorotic symptoms observed in infected leaves. The upregu- lation of chlorophyll degradation genes, including the genes encoding chlorophyUase, pheophytinase, and pheophorbide a oxygenase, and downregulation of genes encoding the major apoproteins in light-harvesting complex II were confirmed by qRT-PCR. These findings, together with the reduction of chlorophyll b content and fewer grana stacks in the infected leaf cells, reveal that the degradation of chlorophyll plays an important role in A^rican cassava mosaic virus symptom development. This study will provide a road map for future investigations into viral pathogenesis.

关键词： Afriican cassava mosaic virus cassava chlorophylldegradation digital gene expression mosaic symptom

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The miR319-Targeted GhTCP4 Promotes the Transition from Cell Elongation to Wall Thickening in Cotton Fiber

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Molecular plant 2020年第7期13卷 1063-1077页

作者： Jun-Feng Cao Bo Zhao Chao-Chen Huang Zhi-Wen Chen Ting Zhao Hong-Ru Liu Guan-Jing Hu Xiao-Xia Shangguan Chun-Min Shan- Ling-Jian Wang Tian-Zhen Zhang Jonathan F.Wendel Xue-Ying Guan Xiao-Ya Chen National Key Laboratory of plant Molecular Genetics Institute of Plant Physiology and Ecology/CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200032China plant stress Biology Center Institute of Plant Physiology and Ecology/CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200032China University of Chinese Academy of Sciences Shanghai 200032China School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China Agronomy Department College of Agriculture and BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China Department of Ecology Evolution and Organismal BiologyIowa State UniversityAmesIA 50011.USA plant Science Research Center Shanghai Key Laboratory of Plant Functional Genomics and ResourcesShanghai Chenshan Botanical GardenShanghai 201602China

plant cell growth involves a complex interplay among cell-wall expansion, biosynthesis, and, in specific tissues, secondary cell wall (SCW) deposition, yet the coordination of these processes remains elusive. Cotton fiber cells are developmentally synchronous, highly elongated, and contain nearly pure cellulose when mature. Here, we report that the transcription factor GhTCP4 plays an important role in balancing cotton fiber cell elongation and wall synthesis. During fiber development the expression of miR319 declines while GhTCP4 transcript levels increase, with high levels of the latter promoting SCW deposition. GhTCP4 interacts with a homeobox-containing factor, GhHOX3, and repressing its transcriptional activity. GhTCP4 and GhHOX3 function antagonistically to regulate cell elongation, thereby establishing temporal control of fiber cell transition to the SCW stage. We found that overexpression of GhTCP4A upregulated and accelerated activation of the SCW biosynthetic pathway in fiber cells, as revealed by transcriptome and promoter activity analyses, resulting in shorter fibers with varied lengths and thicker walls. In contrast, GhTCP4 downregulation led to slightly longer fibers and thinner cell walls. The GhHOX3–GhTCP4 complex may represent a general mechanism of cellular development in plants since both are conserved factors in many species, thus providing us a potential molecular tool for the design of fiber traits.

关键词： cell elongation secondary cell wall cotton fiber Gossypium hirsutum TCP microRNA

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Distribution of a kinesin-related protein on Golgi apparatus of tobacco pollen tubes

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Chinese Science Bulletin 2005年第19期50卷 2175-2181页

作者： WEI Liqin LIU Bo LI Yan State Key Laboratory of plant physiology and Biochemistry College of Biological Sciences China Agricultural University Beijing 100094 China section of plant Biology University of California-Davis Davis CA 95616-8537 USA

Previous study has shown that the internal mo-tor kinesin AtKinesin-13A is associated with Golgi stacks in various Arabidopsis cells. With degenerate primers, a seg-ment of 2067 bp was cloned from tobacco by RT-PCR. The polypeptide coded by the segment has 77.33% similarities with the corresponding part of AtKinesin-13A from Arabi-dopsis; and antibody of AtKinesin-13A recognized specifi-cally the expressed products of the segment in bacteria. Us-ing the anti-AtKinesin-13A antibodies, a 120 kD polypeptide was detected from protein extracts of various organs from Nicotiana tabacum, indicating that a homologue of AtKine-sin-13A protein, NtKinesin-13A, is expressed in Nicotiana tabacum. Immunofluorescence staining showed that the to-bacco NtKinesin-13A protein appeared in particles in pollen tubes by confocal microscopy. Immunofluorescence double labeling showed that the NtKinesin-13A protein particles partially co-distributed with 58K protein, indicating that NtKinesin-13A is located on Golgi apparatus. Immuno-gold labeling and electron microscopy observation revealed that the NtKinesin-13A was associated with Golgi-associated vesi-cles membranes in tobacco pollen tubes. These results sug-gest that the NtKinesin-13A may probably play an important role in controlling Golgi stacks, and/or in transporting Golgi- derived vesicles in pollen tubes.

关键词： Golgi器械花粉管蛋白质烟草微生物

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The Relationship Between Developmental Accumulation of Leaf Soluble Proteins and Vernalization Response of Wheat(Triticum aestivum ***. Thell)

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Agricultural Sciences in China 2009年第4期8卷 410-417页

作者： M Majdi G Karimzadeh S Mahfoozi plant Breeding and biotechnology Department Faculty of AgricultureTarbiat Modares UniversityP.O.Box 14115-336Tehran ***Iran physiology-Agronomy Unit of Department of Cereals Research Seed and Plant Improvement InstituteKaraj 315854119Iran

The relationship between vernalization requirement and quantitative and qualitative changes in total leaf soluble proteins were determined in one spring （cv. Kohdasht） and two winter （cvs. Sardari and Norstar） cultivars of wheat （Triticum aestivum L.） exposed to 4℃. plants were sampled on days 2, 14, 21 and 35 of exposure to 4℃. The final leaf number （FLN） was determined throughout the vernalization periods （0, 7, 14, 24, and 35 d） at 4℃. The final leaf number decreased until days 24 and 35 in Sardari and Norstar eultivars, respectively, indicating the vernalization saturation at these times. No clear changes were detected in the final leaf number of Kohdash cultivar, verifying no vernalization requirement for this spring wheat cultivar. Comparing with control, clear cold-induced 2-fold increases in proteins quantity occurred after 48 h following the 4℃-treatment in the leaves of the both winter wheat cultivars but, such response was not detected in the spring cultivar. However, the electrophoretic protein patterns showed between-cultivar and between-temperature treatment differences. With increasing exposure time to 4℃, the winter cultivars tended to produce more HMW polypeptides than the spring cultivar. Similar proteins were induced in both Sardari and Norstar winter wheat cultivars, however, the long vernalization requirement in Norstar resulted in high level and longer duration of expression of cold-induced proteins compared to Sardari with a short vernalization requirement. These observations indicate that vernalization response regulates the expression of low temperature （LT） tolerance proteins and determines the duration of expression of LT- induced proteins.

关键词： soluble proteins wheat Triticum aestivum L. final leaf number vernalization cold

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Cassava Genetic Transformation and its Application in Breeding

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Journal of Integrative plant Biology 2011年第7期53卷 552-569页

作者： Jia Liu Qijie Zheng Qiuxiang Ma Kranthi Kumar Gadidasu Peng Zhang National Key Laboratory of plantMolecular Genetics institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 200032 China Key Laboratory of Synthetic Biology Institute of Plant Physiology and Ecology Shanghai Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 200032 China plant biotechnology Research Unit Department of Biotechnology Kakatiya University Warangal 506009 India Shanghai Chenshan plant Science Research Center Chinese Academy of Sciences Shanghai Chenshan Botanical Garden Shangha 201602. China

As a major source of food, cassava （Manihot esculenta Crantz） is an important root crop in the tropics and subtropics of Africa and Latin America, and serves as raw material for the production of starches and bioethanol in tropical Asia. Cassava improvement through genetic engineering not only overcomes the high heterozygosity and serious trait separation that occurs in its traditional breeding, but also quickly achieves improved target traits. Since the first report on genetic transfor- mation in cassava in 1996, the technology has gradually matured over almost 15 years of development and has overcome cassava genotype constraints, changing from mode cultivars to farmer-preferred ones. Significant progress has been made in terms of an increased resistance to pests and diseases, biofortification, and improved starch quality, building on the fundamental knowledge and technologies related to planting, nutrition, and the processing of this important food crop that has often been neglected. *** has great potential-in food security and bioenergy development worldwide.

关键词： Application genetic transformation Manihot esculenta Crantz molecular breeding.

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ZmGns,a maize class I β-1,3-glucanase,is induced by biotic stresses and possesses strong antimicrobial activity

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Journal of Integrative plant Biology 2015年第3期57卷 271-283页

作者： Yu-Rong Xie Yenjit Raruang Zhi-Yuan Chen Robert L.Brown Thomas E.Cleveland Department of plant Pathology and Crop physiology Louisiana State University Agricultural Center biotechnology Research Institute the Chinese Academy of Agricultural Sciences Southern Regional Research Center USDA-ARS

plant b-1,3-glucanases are members of the pathogenesis-related protein 2（PR-2） family,which is one of the 17 PR protein families and plays important roles in biotic and abiotic stress *** of the differentially expressed proteins（spot 842） identified in a recent proteomic comparison between five pairs of closely related maize（Zea mays L.） lines differing in aflatoxin resistance was further investigated in the present ***,the corresponding cDNA was cloned from maize and designated as *** encodes a protein of338 amino acids containing a potential signal *** expression of Zm Gns was detectible in all tissues studied with the highest level in *** was significantly induced by biotic stresses including three bacteria and the fungus Aspergillus *** was also induced by most abiotic stresses tested and growth hormones including salicylic *** vivo,ZmGns showed a significant inhibitory activity against thebacterial pathogen Pseudomonas syringae *** DC3000 and fungal pathogen Botrytis cinerea when it overexpressed in *** high level of expression in the silk tissue and its induced expression by phytohormone treatment,as well as by bacterial and fungal infections,suggest it plays a complex role in maize growth,development,and defense.

关键词： β-1 3-Glucanase biological activity expression profiles Zea mays ZmGns

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Hybridization between salt resistant and salt susceptible genotypes of mungbean(Vigna radiata ***)and purity testing of the hybrids using SSRs markers

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Journal of Integrative Agriculture 2016年第3期15卷 521-527页

作者： Sehrawat Nirmala Yadav Mukesh Bhat Kangila Venkataraman Sairam Raj Kumar Jaiwal Pawan Kumar Centre for biotechnology Maharshi Dayanand UniversityRohtak 124001India Department of biotechnology Maharishi Markandeshwar UniversityAmbala 133207India National Bureau of plant Genetic Resources Pusa CampusNew Delhi 110012India Indian Society for plant physiology G-3NASC ComplexPusaNew Delhi 110012India

Six cultivated and two wild genotypes of mungbean（Vigna radiata L. Wilczek） possessing variation for phenotypic and genotypic response for salt tolerance were hybridized. Hybridization results showed successful pod set and significant variations in cross-compatibility of investigated genotypes. Genotypes PLM 380 and PLM 562 showed promising combining ability with all genotypes. Results revealed significant crossing compatibility between V. radiata and V. sublobata. The cross ability ranged from 1.99 to 5.12%（average 3.08%）. Molecular analysis confirmed the hybrids purity. All F_1 seeds were bold, green/shiny green and germinated between 3 to 5 days. Hybrid plants were normal, fertile and healthier over their respective progenitors. Uniform flowering and maturity of the hybrids showed absence of any defect or alteration in plant habit and life cycle of the hybrids. The hybrid plants showed increase in yield characteristics as no. of pods, pod length, 100 seeds weight, and yield per plant. Number of pods containing F_2 seeds ranged from 5–8 per cluster. The F_2 seeds were collected and stored for further research. Present study suggests that salt resistant wild relatives or cultivars of mungbean can be explored by breeding as a source of useful traits/genes providing salt tolerance. This may help in development of best mungbean variety for saline prone areas. Micro-satellite markers linked to the trait/genes may assist breeding by early selection of the genotypes compared to the phenotypic screening.

关键词： mungbean salinity stress breeding hybrid purity improved characteristics

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