检索结果-南通市图书馆

AtVQ2. promotes salicylic acid-related leaf senescence by fine-tuning the self-repression of AtWRKY53

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Integrative Plant biology 2024年第6期66卷 1126-1147页

作者： Qi Tan Mingming Zhao Jingwei Gao Ke Li Mengwei Zhang Yunjia Li Zeting Liu Yujia Song Xiaoyue Lu Zhengge Zhu Rongcheng Lin Pengcheng Yin Chunjiang Zhou Geng Wang ministry of education {2. laboratory of Molecular and cellular biology Hebei Research Center of the Basic Discipline of Cell BiologyHebei Collaboration Innovation Center for Cell Signaling and Environmental AdaptationHebei Key Laboratory of Molecular and Cellular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuang 050024China College of Chemical engineering Shijiazhuang UniversityShijiazhuang 050035China Institute of Botany Chinese Academy of SciencesBeijing 100093China

Most mechanistic details of chronologically ordered regulation of leaf senescence are *** networks centered on AtWRKY53 are crucial for orchestrating and integrating various senescence-related ***,AtWRKY53binds to its own promoter and represses transcription of AtWRKY53,but the biological significance and mechanism underlying this selfrepression remain *** this study,we identified the VQ motif-containing protein AtVQ2.as a cooperator of *** expression level of AtVQ2. peaked at mature stage and was specifically repressed after the onset of leaf ***2.-overexpressing plants and atvq2. mutants displayed precocious and delayed leaf senescence,***,we identified AtWRKY53 as an interacting partner of *** determined that interaction between AtVQ2. and AtWRKY53 prevented AtWRKY53from binding to W-box elements on the AtWRKY53promoter and thus counteracted the selfrepression of *** addition,our RNA-sequencing data revealed that the AtVQ2.-AtWRKY53 module is related to the salicylic acid(SA)*** leaf senescence and SA-induced leaf senescence in AtVQ2.-overexpressing lines were inhibited by an SA pathway mutant,atsid2.and Nah G transgenic plants;AtVQ2.-overexpressing/atwrky53 plants were also insensitive to SA-induced leaf ***,we demonstrated that AtVQ2. directly attenuates the self-repression of AtWRKY53 during the onset of leaf senescence,which is substantially helpful for understanding the timing of leaf senescence onset modulated by AtWRKY53.

关键词： AtWRKY53 leaf senescence salicylic acid transcriptional regulation VQ motif-containing proteins

A DNA Force Circuit for Exploring Protein-Protein Interactions at the Single-Molecule Level

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 2024年第13期42卷 1456-1464页

作者： Kangkang Ma Luoan Xiong Zhuofei Wang Xin Hu Lihua Qu Xuetong Zhao Yao Li Zhongbo Yu State key laboratory of Medicinal Chemical {2. Frontiers Science Center for Cell Responsesand College of PharmacyNankai University38 Tongyan RoadTianjin 300350China School of Physics and key laboratory of Functional Polymer Materials of {2. of education Nankai Universityand Collaborative Innovation Center of Chemical Science and EngineeringTianjin 300071China

Protein-protein interactions(PPls)play a crucial role in drug discovery and disease ***,the development of effective drugs targeting PPls remains challenging due to limited methodologies for probing their spatiotemporal ***,we propose a single-molecule approach using a unique force circuit to investigate Ppl dynamics and anisotropy under mechanical *** conventional techniques,this approach enables the manipulation and real-time monitoring of individual proteins at specific amino acids with defined geometry,offering insights into molecular mechanisms at the single-molecule *** DNA force circuit was constructed using click chemistry conjugation methods and genetic code expansion techniques,facilitating orthogonal conjugation between proteins and nucleic *** SET domain of the MLL1 protein and the tail of histone H3 were used as a model system to demonstrate the application of the DNA force *** the use of atomic force microscopy and magnetic tweezers,optimized assembly procedures were *** DNA force circuit provides an exceptional platform for studying the anisotropy of PPis and holds promise for advancing drug discovery research targeted at PPIs.

关键词： Single-molecule studies Protein-protein interactions Click chemistry Genetic code expansion Molecular dynamics

Plant cuticles repress organ initiation and development during skotomorphogenesis in Arabidopsis

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Plant Communications 2024年第6期5卷 100-116页

作者： Yuru Ma Wenwen Chang Yongpeng Li Jiahui Xu Yongli Song Xinmiao Yao Lei Wang Yu Sun Lin Guo Hao Zhang Xigang Liu ministry of education {2. laboratory of Molecular and cellular biology College of Life SciencesHebei Normal UniversityShijiazhuangHebei 050024China Hebei Research Center of the Basic Discipline of cell biology College of Life SciencesHebei Normal UniversityShijiazhuangHebei 050024China Hebei Collaboration Innovation Center for cell Signaling and Environmental Adaptation College of Life SciencesHebei Normal UniversityShijiazhuangHebei 050024China Hebei key laboratory of Molecular and {2.ular biology College of Life SciencesHebei Normal UniversityShijiazhuangHebei 050024China State key laboratory of Plant {2. and Chromosome engineering Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangHebei 050021China

After germination in the dark,plants produce a shoot apical hook and closed cotyledons to protect the quiescent shoot apical meristem(SAM),which is critical for seedling survival during *** factors that coordinate these processes,particularly SAM repression,remain *** cuticles,multilayered structures of lipid components on the outermost surface of the aerial epidermis of all land plants,provide protection against desiccation and external environmental *** and how cuticles regulate plant development are still ***,we demonstrate that mutants of BODYGUARD1(BDG1)and long-chain acyl-CoA synthetase2.LACS2.,key genes involved in cutin biosynthesis,produce a short hypocotyl with an opened apical hook and cotyledons in which the SAM is activated during *** signaling represses expression of BDG1 and LACS2.as well as cutin *** analysis revealed that cuticles are critical for skotomorphogenesis,particularly for the development and function of *** and molecular analyses showed that decreased HOOKLESS1 expression results in apical hook opening in the *** hypoxia-induced expression of LITTLE ZIPPER2.at the SAM promotes organ initiation in the mutants,the de-repressed expression of cell-cycle genes and the cytokinin response induce the growth of true *** results reveal previously unrecognized developmental functions of the plant cuticle during skotomorphogenesis and demonstrate a mechanism by which light initiates photomorphogenesis through dynamic regulation of cuticle synthesis to induce coordinated and systemic changes in organ development and growth during the skotomorphogenesis-to-photomorphogenesis transition.

关键词： plant cuticles SAM quiescence organ initiation skotomorphogenesis photomorphogenesis

A Novel Poly(3-hexylthiophene) Engineered Interface for Electrochemical Monitoring of Ascorbic Acid During the Occurrence of Glutamate-Induced Brain Cytotoxic Edemas

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Research 2024年第1期2023卷 301-313页

作者： Zexuan Meng Yuchan Zhang Lu Yang Shuang Zhao Qiang Zhou Jiajia Chen Jiuxi Sui Jian Wang Lizhong Guo Luyue Chang Jialing He Guixue Wang Guangchao Zang Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching and Management CenterChongqing Medical UniversityChongqing 400016China key laboratory for Biorheological Science and Technology of {2. of education State and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing UniversityChongqing 400030China Jinfeng laboratory Chongqing 401329China Department of Pathophysiology Chongqing Medical UniversityChongqingChina

Although neuroelectrochemical sensing technology offers unique benefits for neuroscience research,its application is limited by substantial interference in complex brain environments while ensuring biosafety *** this study,we introduced poly(3-hexylthiophene)(P3HT)and nitrogen-doped multiwalled carbon nanotubes(N-MWCNTs)to construct a composite membrane-modified carbon fiber microelectrode(CFME/P3HT-N-MWCNTs)for ascorbic acid(AA)*** microelectrode presented good linearity,selectivity,stability,antifouling,and biocompatibility and exhibited great performance for application in neuroelectrochemical ***,we applied CFME/P3HT-N-MWCNTs to monitor AA release from in vitro nerve cells,ex vivo brain slices,and in vivo living rat brains and determined that glutamate can induce cell edema and AA *** also found that glutamate activated the N-methyl-d-aspartic acid receptor,which enhanced Na^(+) and Cl^(−) inflow to induce osmotic stress,resulting in cytotoxic edema and ultimately AA *** study is the first to observe the process of glutamate-induced brain cytotoxic edema with AA release and to reveal the *** work can benefit the application of P3HT in in vivo implant microelectrode construction to monitor neurochemicals,understand the molecular basis of nervous system diseases,and discover certain biomarkers of brain diseases.

关键词： release microelectrode Engine

TabHLH2. orchestrates root growth and drought tolerance to enhance water use efficiency in wheat

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Integrative Plant biology 2024年第7期66卷 1295-1312页

作者： Dongzhi Wang Xiuxiu Zhang Yuan Cao Aamana Batool Yongxin Xu Yunzhou Qiao Yongpeng Li Hao Wang Xuelei Lin Xiaomin Bie Xiansheng Zhang Ruilian Jing Baodi Dong Yiping Tong Wan Teng Xigang Liu Jun Xiao key laboratory of Plant {2. and Chromosome engineering Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Center for Agricultural Resources Research Institute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuang 050022China key laboratory of Crop {2. College of Life SciencesShandong Agricultural UniversityTai'an 271018China State key laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China ministry of education {2. laboratory of Molecular and cellular biology Hebei Research Center of the Basic Discipline of Cell BiologyHebei Collaboration Innovation Center for Cell Signaling and Environmental AdaptationHebei Key Laboratory of Molecular and Cellular BiologyCollege of Life SciencesHebei Normal UniversityShijiazhuang 050024China Centre of Excellence for Plant and Microbial Science(CEPAMS) JIC‐CASBeijing 100101China

Cultivating high-yield wheat under limited water resources is crucial for sustainable agriculture in semiarid *** water scarcity,plants activate drought response signaling,yet the delicate balance between drought tolerance and development remains *** genome-wide association studies and transcriptome profiling,we identified a wheat atypical basic helix-loop-helix(b HLH)transcription factor(TF),Tab HLH2.-A1,as a promising quantitative trait locus candidate for both relative root dry weight and spikelet number per spike in *** HLH2.-A1/B1/D1 knockout reduced wheat drought tolerance,yield,and water use efficiency(WUE).Tab HLH2.-A1 exhibited rapid induction with polyethylene glycol(PEG)treatment,gradually declining over *** activated stress response genes such as Ta CBL8-B1 and Ta CPI2.A1 while inhibiting root growth genes like Ta SH15-B1 and Ta WRKY70-B1 under short-term PEG *** distinct transcriptional regulation of Tab HLH2.-A1 involved diverse interacting factors such as Ta ABI3-D1 and Tab *** variations of Tab HLH2.-A1influence its transcriptional responses to drought stress,with Tab HLH2.-A1^(Hap-II)associated with stronger drought tolerance,larger root system,more spikelets,and higher WUE in ***,the excellent Tab HLH2.-A1^(Hap-II)was selected during the breeding process in China,and introgression of Tab HLH2.-A1^(Hap-II)allele improved drought tolerance and grain yield,especially under water-limited *** study highlights Tab HLH2.-A1's role in balancing root growth and drought tolerance,providing a genetic manipulation locus for enhancing WUE in wheat.

关键词： drought tolerance GWAS root growth wheat WUE

Intermittent fasting boosts antitumor immunity by restricting CD11b^(+)Ly6C^(low)Ly6G^(low) cell viability through glucose metabolism in murine breast tumor model

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Food Science and Human Wellness 2024年第4期13卷 2327-2345页

作者： Chenghao Fu Zhehao Liang Zemiao Niu Ning Chen Yuemin Li Zhenhua Liang Yanwei Huo Hao Xi Rong Wang Yonghuan Yan Xiaoruo Gan Mengtian Wang Yun Huang Yan Zhang Mingming Gao Pin Lü Postdoctoral Station for Basic Medicine Cardiovascular Medical Science CenterDepartment of Cell BiologyKey Laboratory of Neural and Vascular Biology of Ministry of EducationHebei Medical UniversityShijiazhuang 050017China Hebei key laboratory of Forensic Medicine College of Forensic MedicineHebei Medical UniversityShijiazhuang 050017China Hebei Food Safety key laboratory Hebei Food Inspection and Research InstituteShijiazhuang 050091China laboratory of Lipid Metabolism Department of Biochemistry and Molecular BiologyKey Laboratory of Medical Biotechnology of Hebei ProvinceShijiazhuang 050017China

Intermittent fasting can benefit breast cancer patients undergoing chemotherapy or ***,it is still uncertain how to select immunotherapy drugs to combine with intermittent *** we observed that two cycles of fasting treatment significantly inhibited breast tumor growth and lung tissue metastasis,as well as prolonged overall survival in mice bearing 4T1 and 4T07 breast *** this process,both the immunosuppressive monocytic-(M-)and granulocytic-(G-)myeloid-derived suppressor cell(MDSC)decreased,accompanied by an increase in interleukin(IL)7R^(+)and granzyme B^(+)T cells in the tumor ***,we observed that Ly6G^(low)G-MDSC sharply decreased after fasting treatment,and the cell surface markers and protein mass spectrometry data showed potential therapeutic *** investigation revealed that glucose metabolism restriction suppressed the splenic granulocytemonocyte progenitor and the generation of colony-stimulating factors and IL-6,which both contributed to the accumulation of *** the other hand,glucose metabolism restriction can directly induce the apoptosis of Ly6G^(low)G-MDSC,but not Ly6G^(high)*** summary,these results suggest that glucose metabolism restriction induced by fasting treatment attenuates the immune-suppressive milieu and enhances the activation of CD3^(+)T cells,providing potential solutions for enhancing immune-based cancer interventions.

关键词： Intermittent fasting Ly6G^(low)myeloid-derived suppressor cell apoptosis Extramedullary hematopoiesis Colony stimulating factor Glucose metabolism restriction

An engineered DNA aptamer-based PROTAC for precise therapy of p53-R175H hotspot mutant-driven cancer

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Science Bulletin 2024年第13期69卷 2122-2135页

作者： Lingping Kong Fanlu Meng Ping Zhou Ruixin Ge Xiaoshan Geng Zhihao Yang Guo Li Linlin Zhang Jing Wang Jinfeng Ma Cheng Dong Jun Zhou Sijin Wu Diansheng Zhong Songbo Xie Department of Medical Oncology Tianjin Medical University General HospitalTianjin 300052China Center for cell Structure and Function Collaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesShandong Normal UniversityJinan 250014China The Province and ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics Key Laboratory of Immune Microenvironment and Disease(Ministry of Education)School of Basic Medical SciencesTianjin Medical UniversityTianjin 300070China Tianjin key laboratory of Lung Cancer Metastasis and {2. Microenvironment Lung Cancer InstituteTianjin Medical University General HospitalTianjin 300052China Haihe laboratory of cell Ecosystem State Key Laboratory of Medicinal Chemical BiologyCollege of Life SciencesNankai UniversityTianjin 300071China Wisdom Lake Academy of Pharmacy Xi’an Jiaotong-Liverpool UniversitySuzhou 215028China Department of Ophthalmology Tianjin Medical University General HospitalLaboratory of Molecular OphthalmologyTianjin Key Laboratory of Ocular TraumaTianjin Medical UniversityTianjin 300052China

Targeting oncogenic mutant p53 represents an attractive strategy for cancer treatment due to the high frequency of gain-of-function mutations and ectopic expression in various cancer *** extensive efforts,the absence of a druggable active site for small molecules has rendered these mutants therapeutically *** we develop a selective and effective proteolysis-targeting chimera(PROTAC)for p53-R175H,a common hotspot mutant with dominant-negative and oncogenic *** a novel iterative molecular docking-guided post-SELEX(systematic evolution of ligands by exponential enrichment)approach,we rationally engineer a high-performance DNA aptamer with improved affinity and specificity for *** this resulting aptamer as a binder for PROTACs,we successfully developed a selective p53-R175H degrader,named ***53m induces the ubiquitin–protea some-dependent degradation of p53-R175H while sparing wildtype ***,dp53m demonstrates significant antitumor efficacy in p53-R175H-driven cancer cells both in vitro and in vivo,without ***,dp53m significantly and synergistically improves the sensitivity of these cells to cisplatin,a commonly used chemotherapy *** findings provide evidence of the potential therapeutic value of dp53m in p53-R175H-driven cancers.

关键词： P53 Aptamer PROTAC Cancer Drug resistance

Aberrant LETM1 elevation dysregulates mitochondrial functions and energy metabolism and promotes lung metastasis in osteosarcoma

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Genes & Diseases 2024年第3期11卷 368-384页

作者： Yulu Shi Quan Kang Hong Zhou Xiaohan Yue Yang Bi Qing Luo Stem cell biology and Therapy {2. The Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersChongqing Key Laboratory of PediatricsChongqing 400014China Department of Pediatric Surgery The Children's Hospital of Chongqing Medical UniversityChongqing 400014China

Osteosarcoma is a differentiation-deficient disease,and despite the unique advan-tages and great potential of differentiation therapy,there are only a few known differentia-tion inducers,and little research has been done on their *** differentiation is associated with an increase in mitochondrial content and *** metabolism of some tu-mor cells is characterized by impaired oxidative phosphorylation,as well as up-regulation of aerobic glycolysis and pentose phosphate ***-containing zipper and EF-hand transmembrane protein 1(LETM1)is involved in the maintenance of mitochondrial morphology and is closely associated with tumorigenesis and progression,as well as cancer cell *** found that MG63 and 143B osteosarcoma cells overexpress LETM1 and exhibit abnormalities in mitochondrial structure and *** of LETM1 partially restored the mitochon-drial structure and function,inhibited the pentose phosphate pathway,promoted oxidative phosphorylation,and led to osteogenic *** also inhibited spheroid cell forma-tion,proliferation,migration,and invasion in an in vitro *** LETM1 was knocked down in vivo,there was reduced tumor formation and lung *** data suggest that mitochondria are aberrant in LETM1-overexpressing osteosarcoma cells,and knockdown of LETM1 partially restores the mitochondrial structure and function,inhibits the pentose phosphate pathway,promotes oxidative phosphorylation,and increases osteogenic differentiation,thereby reducing malignant biological behavior of the cells.

关键词： Cancer metabolism Differentiation LETM1 Osteosarcoma Stemness

Identification of crucial roles of transcription factor IhfA on high production of free fatty acids in Escherichia coli

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Synthetic and Systems Biotechnology 2024年第1期9卷 144-151页

作者： Lixia Fang Ziyi Han Xueru Feng Xueyan Hao Mengxiao Liu Hao Song Yingxiu Cao Frontiers Science Center for Synthetic biology and key {2. of Systems Bioengineering(ministry of education) School of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China Frontiers Research Institute for Synthetic biology Tianjin UniversityChina

Transcription factor engineering has unique advantages in improving the performance of microbial cell factories due to the global regulation of gene *** analyses and reverse engineering enable learning and subsequent incorporation of novel design strategies for further ***,we identify the role of the global regulator IhfA for overproduction of free fatty acids(FFAs)using CRISPRi-facilitated reverse engineering and cellular physiological *** the differentially expressed genes in the ihfAL􀀀strain,a total of 14 beneficial targets that enhance FFAs production by above 2.% are identified,which involve membrane function,oxidative stress,and *** membrane-related genes,the engineered strains obtain lower cell surface hydrophobicity and increased average length of membrane lipid *** oxidative stress-related genes,the engineered strains present decreased reactive oxygen species(ROS)*** gene modulations enhance cellular robustness and save cellular resources,contributing to FFAs *** study provides novel targets and strategies for engineering microbial cell factories with improved FFAs bioproduction.

关键词： Free fatty acids CRISPRi ihfA cell membrane ROS