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Two ABCI family transporters,OsABCI15 and OsABCI16,are involved in grain-filling in rice

Journal of Genetics and Genomics 2024年第5期51卷 492-506页

作者： Bin Ma Xiubiao Cao Xiaoyuan Li Zhong Bian Qi-Qi Zhang Zijun Fang Jiyun Liu Qun Li Qiaoquan Liu Lin Zhang Zuhua He Jiangsu Key Laboratory of Crop Genomics and molecular Breeding/Zhongshan Biological Breeding Laboratory/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology Agricultural College of Yangzhou UniversityYangzhouJiangsu 225009China Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops Jiangsu Key Laboratory of Crop Genetics and PhysiologyYangzhou UniversityYangzhouJiangsu 225009China National Key Laboratory of Plant molecular Genetics CAS Center for Excellence in Molecular Plant SciencesInstitute of Plant Physiology&EcologyChinese Academy of SciencesShanghai 200032China institute of biotechnology Hangzhou Academy of Agricultural SciencesHangzhouZhejiang 310024China Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education Yangzhou UniversityYangzhouJiangsu 225009China

Seed development is critical for plant reproduction and crop yield,with panicle seed-setting rate,grain-filling,and grain weight being key seed characteristics for yield ***,few genes are known to regulate grain ***,we identify two adenosine triphosphate(ATP)-binding cassette(ABC)I-type transporter genes,OsABCI15 and OsABCI16,involved in rice *** genes are highly expressed in developing seeds,and their proteins are localized to the plasma membrane and ***,knockout of OsABCI15 and OsABCI16 results in a significant reduction in seed-setting rate,caused predominantly by the severe empty pericarp phenotype,which differs from the previously reported low seed-setting phenotype resulting from failed *** analysis indicates that OsABCI15 and OsABCI16 participate in ion homeostasis and likely export ions between filial tissues and maternal tissues during grain ***,overexpression of OsABCI15 and OsABCI16 enhances the seed-setting rate and grain yield in transgenic plants and decreases ion accumulation in brown ***,the OsABCI15/16 orthologues in maize exhibit a similar role in kernel development,as demonstrated by their disruption in transgenic ***,ourﬁndings reveal the important roles of two ABC transporters in cereal grain filling,highlighting their value in crop yield improvement.

关键词： ABC transporters Rice Grain filling Ion homeostasis Grain yield

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Computational tools for plant genomics and breeding

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Science China(Life Sciences) 2024年第8期67卷 1579-1590页

作者： Hai Wang Mengjiao Chen Xin Wei Rui Xia Dong Pei Xuehui Huang Bin Han State Key Laboratory of Maize Bio-breeding Frontiers Science Center for Molecular Design BreedingJoint International Research Laboratory of Crop Molecular BreedingNational Maize Improvement CenterCollege of Agronomy and BiotechnologyChina Agricultural UniversityBeijing 100193China Sanya institute of China Agricultural University Sanya 572025China Hainan Yazhou Bay Seed Laboratory Sanya 572025China State Key Laboratory of Tree Genetics and Breeding Key Laboratory of Tree Breeding and Cultivation of the State Forestry and Grassland AdministrationResearch Institute of ForestryChinese Academy of ForestryBeijing 100091China Shanghai Key Laboratory of Plant molecular Sciences College of Life SciencesShanghai Normal UniversityShanghai 200234China College of Horticulture South China Agricultural UniversityGuangzhou 510640China National Center for Gene Research CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 200233China

Plant genomics and crop breeding are at the intersection of biotechnology and information *** by a combination of highthroughput sequencing,molecular biology and data science,great advances have been made in omics technologies at every step along the central dogma,especially in genome assembling,genome annotation,epigenomic profiling,and transcriptome *** advances further revolutionized three directions of *** is genetic dissection of complex traits in crops,along with genomic prediction and *** second is comparative genomics and evolution,which open up new opportunities to depict the evolutionary constraints of biological sequences for deleterious variant *** third direction is the development of deep learning approaches for the rational design of biological sequences,especially proteins,for synthetic *** three directions of development serve as the foundation for a new era of crop breeding where agronomic traits are enhanced by genome design.

关键词： bioinformatics plant genomics breeding by design

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Pull the fuzes:Processing protein precursors to generate apoplastic danger signals for triggering plant immunity

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Plant Communications 2024年第8期5卷 113-136页

作者： Daniele Del Corpo Daniele Coculo Marco Greco Giulia De Lorenzo Vincenzo Lionetti Department of Biology and biotechnology“Charles Darwin ”Sapienza University of RomeRomeItaly

The apoplast is one of the first cellular compartments outside the plasma membrane encountered by phytopathogenic microbes in the early stages of plant tissue *** have developed sophisticated surveillance mechanisms to sense danger events at the cell surface and promptly activate ***,a fine tuning of the activation of immune pathways is necessary to mount a robust and effective defense *** endogenous proteins and enzymes are synthesized as inactive precursors,and their post-translational processing has emerged as a critical mechanism for triggering alarms in the *** this review,we focus on the precursors of phytocytokines,cell wall remodeling enzymes,and *** physiological events that convert inactive precursors into immunomodulatory active peptides or enzymes are *** review also explores the functional synergies among phytocytokines,cell wall damage-associated molecular patterns,and remodeling,highlighting their roles in boosting extracellular immunity and reinforcing defenses against pests.

关键词： apoplast immunity activation post-translational processing cell wall proteases pro-peptides proenzymes phytocytokines cell-wall remodeling enzymes phytopathogenic microbes plant immunity

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Gut pathobiome mediates behavioral and developmental disorders in biotoxin-exposed amphibians

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Environmental Science and Ecotechnology 2024年第5期21卷 208-218页

作者： Qianqian Pan Tianxing Lv Haorong Xu Hongda Fang Meng Li Jiaping Zhu Yue Wang Xiaoyan Fan Ping Xu Xiuguo Wang Qiangwei Wang Haruna Matsumoto Mengcen Wang Ministry of Agricultural and Rural Affairs Laboratory of molecular Biology of Crop Pathogens and Insects Zhejiang UniversityHangzhou310058China institute of Pesticide and Environmental Toxicology College of Agriculture and BiotechnologyZhejiang UniversityHangzhou310058China Institution of Tea Science Zhejiang UniversityHangzhou310058China The Tobacco Research institute Chinese Academy of Agricultural SciencesQingdao266101China Global Education Program for AgriScience Frontiers Graduate School of AgricultureHokkaido UniversitySapporoJapan

Emerging evidence suggests a link between alterations in the gut microbiome and adverse health outcomes in the hosts exposed to environmental ***,the causal relationships and underlying mechanisms remain largely *** we show that exposure to biotoxins can affect gut pathobiome assembly in amphibians,which in turn triggers the toxicity of exogenous *** used Xenopus laevis as a model in this *** exposed to tropolone demonstrated notable developmental impairments and increased locomotor activity,with a reduction in total length by 4.37%e22.48%and an increase in swimming speed by 49.96%e84.83%.Fusobacterium and Cetobacterium are predominant taxa in the gut pathobiome of tropolone-exposed *** tropolone-induced developmental and behavioral disorders in the host were mediated by assembly of the gut pathobiome,leading to transcriptome *** study not only advances our understanding of the intricate interactions between environmental pollutants,the gut pathobiome,and host health but also emphasizes the potential of the gut pathobiome in mediating the toxicological effects of environmental contaminants.

关键词： Gut microbiome Pathobiome Biotoxin pollution Developmental toxicity Behavioral disorders

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Endogenous retrovirus activation: potential for immunology and clinical applications

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National Science Review 2024年第4期11卷 21-23页

作者： Jundan Yu Peishan Qiu Jingwen Ai Bo Liu Guan-Zhu Han Fan Zhu Wenhong Zhang Jie Cui Department of Infectious Diseases Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response National Medical Center for Infectious Diseases Huashan Hospital Shanghai Medical College Fudan University CAS Key Laboratory of molecular Virology &Immunology Shanghai Institute of Immunity and Infection Chinese Academy of Sciences University of Chinese Academy of Sciences Shanghai Huashen institute of Microbes and Infections College of Life Sciences Nanjing Normal University State Key Laboratory of Virology and Department of Medical Microbiology School of Basic Medical SciencesWuhan University The institute of Infection and Health Research Fudan University Key Laboratory of Medical molecular Virology(MOE/MOH) Shanghai Medical CollegeFudan University Laboratory for Marine Biology and biotechnology Qingdao Marine Science and Technology Center

Endogenous retroviruses (ERVs), the remnants of ancient retrovirus infections, constitute approximately 8% of the human genome and play important roles in human evolution, development,and diseases. Multiple drugs, such as DNA methyltransferase inhibitors and lysine-specific histone demethylase 1inhibitors, reactivate ERVs, induce viral mimicry and trigger innate immune responses to enhance tumor immunogenicity.

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α1-COP modulates plasmodesmata function through sphingolipid enzyme regulation

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Journal of Integrative Plant Biology 2024年第8期66卷 1639-1657页

作者： Arya Bagus Boedi Iswanto Minh Huy Vu Jong Cheol Shon Ritesh Kumar Shuwei Wu Hobin Kang Da-Ran Kim Geon Hui Son Woe Yoen Kim Youn-Sig Kwak Kwang Hyeon Liu Sang Hee Kim Jae-Yean Kim Division of Applied Life Science(BK21 FOUR Program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea College of Pharmacy and Research institute of Pharmaceutical Sciences Kyungpook National UniversityDaegu 702-701Korea Departement of Plant Medicine Gyeongsang National UniversityJinju 52828Korea Division of Life Science Gyeongsang National UniversityJinju 52828Korea

Callose,aβ-1,3-glucan plant cell wall polymer,regulates symplasmic channel size at plasmodesmata(PD)and plays a crucial role in a variety of plant ***,elucidating the molecular mechanism of PD callose homeostasis is *** screened and identified an Arabidopsis mutant plant with excessive callose deposition at PD and found that the mutated gene wasα1-COP,a member of the coat protein I(COPI)coatomer *** report that loss of function ofα1-COP elevates the callose accumulation at PD by affecting subcellular protein localization of callose degradation enzyme Pd *** process is linked to the functions of ERH1,an inositol phosphoryl ceramide synthase,and glucosylceramide synthase through physical interactions with theα1-COP ***,the loss of function ofα1-COP alters the subcellular localization of ERH1 and GCS proteins,resulting in a reduction of Glc Cers and Glc HCers molecules,which are key sphingolipid(SL)species for lipid raft *** findings suggest thatα1-COP protein,together with SL modifiers controlling lipid raft compositions,regulates the subcellular localization of GPI-anchored PDBG2 proteins,and hence the callose turnover at PD and symplasmic movement of *** findings provide the first key clue to link the COPI-mediated intracellular trafficking pathway to the callose-mediated intercellular signaling pathway through PD.

关键词： callose coatomer proteins membrane-bound vesicle plasmodesmata sphingolipid enzymes

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Surface engineering of carbon dots for highly sensitive α-glucosidase assay and inhibition evaluation

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Chinese Chemical Letters 2024年第3期35卷 193-197页

作者： Meijuan Liang Gege Song Yeqing Wan Yingying Chen Fuan Wang Xiaoqing Liu College of Chemistry and molecular Sciences Wuhan UniversityWuhan 430072China Oil Crops Research institute Chinese Academy of Agricultural SciencesWuhan 430062China

Monitoringα-glucosidase(α-Glu)activity is of great significance for the early diagnosis of typeⅡ*** the blue fluorescent carbon dots(CDs)were integrated with two different recognizing molecules,β-cyclodextrin and phenylboronic acid,for assembling a multifunctional CDs(mCDs)nanoplatform for sensitively analyzingα-Glu and its *** hydrolyzed product of 4-nitrophenyl-α-D-glucopyranoside(α-Glu substrate),p-nitrophenol,could efficiently quench the fluorescence of mCDs due to its cooperative molecular recognition withβ-cyclodextrin and phenylboronic *** mCDs could be utilized for the detection ofα-Glu activity with the limit of detection of 0.030 U/***,the presentα-Glu detection platform revealed a high selectivity,and other natural enzymes showed scarcely any effect on the present mCDs *** proposed method could be facilely used to screenα-Glu inhibitors with satisfying *** rational mCDs is expected to supplement more comprehensive biosensing platforms for highly sensitive and specific recognition of disease-relevant biomarkers with clinical importance.

关键词： α-Glucosidase Carbon dots Fluorescent sensor Inhibitor β-Cyclodextrin

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Strategies for constructing seven-membered rings:Applications in natural product synthesis

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Chinese Chemical Letters 2024年第6期35卷 53-70页

作者： Peng Chen Lijuan Liang Yufei Zhu Zhimin Xing Zhenhua Jia Teck-Peng Loh College of Advanced Interdisciplinary Science and Technology Henan University of TechnologyZhengzhou 450001China Division of Chemistry and Biological Chemistry School of Chemistry Chemical Engineeringand BiotechnologyNanyang Technological UniversitySingapore 637371Singapore institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech UniversityNanjing 211816China State Key Laboratory of Applied Organic Chemistry Department of ChemistryLanzhou UniversityLanzhou 730000China

The seven-membered ring motifs are found in bioactive pharmaceuticals and a wide range of natural products,including alkaloids and terpenoids,which hold significant importance in synthetic chemistry and has garnered considerable attention from both academia and *** the challenges faced in the past decade,the total synthesis of natural products incorporating the non-aromatic cycloheptane skeletons remains a compelling ***,numerous elegant strategies for constructing the sevenmembered ring system have been successfully *** review focuses on the recent advancements in this field from 2017 to April 2023,highlighting key transformations utilized to construct the non-aromatic cycloheptane core structures and serves as a valuable guide for synthetic chemists engaged in the total synthesis of natural products containing seven-membered ring motifs.

关键词： Seven-membered rings Total synthesis Natural products Synthetic strategy Cycloheptane

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Sexual dimorphism in the antitumor immune responses elicited by the combination of fasting and chemotherapy

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Cancer Communications 2024年第4期44卷 508-513页

作者： Andrés Pastor-Fernández Manuel Montero Gómez de las Heras Jose Ignacio Escrig-Larena Marta Barradas Cristina Pantoja Adrian Plaza Jose Luis Lopez-Aceituno Esther Durán Alejo Efeyan Maria Mittelbrunn Lola Martinez Pablo Jose Fernandez-Marcos Metabolic Syndrome Group(BIOPROMET) Madrid Institute for Advanced Studies(IMDEA)FoodE28049MadridSpain molecular Biology Center Severo Ochoa(CBMSO) Spanish National Research Council(CSIC)Madrid Autonoma University(UAM)MadridSpain Department of Basic Medical Sciences Institute of Applied Molecular MedicineSchool of MedicineUniversity Studies Center(CEU)-San Pablo UniversityMadridSpain Metabolism and Cell Signaling Laboratory Spanish National Cancer Research Centre(CNIO) MadridSpain 5Flow Cytometry UnitBiotechnology ProgrammeSpanish National Cancer Research Centre(CNIO)MadridSpain

Fasting reduces chemotherapy toxicity[1],enhances immunogenic tumor cell death[2,3]and increases CD8^(+)T cell infiltration in tumors,particularly when combined with chemotherapy[2,3]or immunotherapy[4].More-over,fast... 详细信息

关键词： chemotherapy fasting immune

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OsWRKY65 enhances immunity against fungal and bacterial pathogens in rice

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The Crop Journal 2024年第2期12卷 470-481页

作者： Seungmin Son Giha Song Suhyeon Nam Jinjeong Lee Duk-Ju Hwang Eun-Jung Suh Sang Ryeol Park National institute of Agricultural Sciences Rural Development AdministrationJeonju 54874Republic of Korea Department of Agriculture Forestry and BioresourcesPlant Genomics and Breeding InstituteResearch Institute of Agriculture and Life SciencesSeoul National UniversitySeoul 08826Republic of Korea Department of Crop Science and biotechnology Jeonbuk National UniversityJeonju 54896Republic of Korea

Diverse bacterial and fungal pathogens attack plants,causing biotic stress and severe yield losses *** losses are expected to become more serious as climate change improves conditions for many ***,identifying genes conferring broad-spectrum disease resistance and elucidating their underlying mechanisms provides important resources for plant *** transcription factors affect plant growth and stress ***,the functions of many WRKY proteins remain to be ***,we demonstrated the role of rice(Oryza sativa)WRKY groupⅢtranscription factor OsWRKY65 in ***65 localized to the nucleus and acted as transcriptional *** and molecular functional analyses showed that OsWRKY65 increases resistance to the fungal pathogen Fusarium fujikuroi through downregulation of GA signaling and upregulation of JA ***,OsWRKY65 modulated the expression of the key genes that confer susceptibility or resistance to Xanthomonas oryzae *** to enhance immunity against the *** particular,OsWRKY65directly bound to the promoter region of OsSWEET13 and repressed its *** together,our findings demonstrate that the OsWRKY65 enhances resistance to fungal and bacterial pathogens in rice.

关键词： Bacterial blight Bakanae disease Broad-spectrum disease resistance Oriza sativa OsWRKY65 Rice

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