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Resident immune responses to spinal cord injury:role of astrocytes and microglia

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Neural Regeneration Research 2024年第8期19卷 1678-1685页

作者： Sydney Brockie Cindy Zhou Michael G.Fehlings Division of genetics and development Krembil Research InstituteUniversity Health NetworkTorontoONCanada institute of Medical Science University of TorontoTorontoONCanada Division of Neurosurgery and Spine Program Department of SurgeryUniversity of TorontoTorontoONCanada

Spinal cord injury can be traumatic or non-traumatic in origin,with the latter rising in incidence and prevalence with the aging demographics of our *** r,as the global population ages,individuals with co-existent degenerative spinal pathology comprise a growing number of traumatic spinal cord injury cases,especially involving the cervical spinal *** makes recovery and treatment approaches particula rly challenging as age and comorbidities may limit regenerative *** these reasons,it is critical to better understand the complex milieu of spinal cord injury lesion pathobiology and the ensuing inflammatory *** review discusses microglia-specific purinergic and cytokine signaling pathways,as well as microglial modulation of synaptic stability and plasticity after ***,we evaluate the role of astrocytes in neurotransmission and calcium signaling,as well as their border-forming response to neural *** the inflammatory and reparative roles of these cells have eluded our complete understanding and remain key therapeutic targets due to their extensive structural and functional roles in the nervous *** advances have shed light on the roles of glia in neurotransmission and reparative injury responses that will change how interventions are *** key processes and existing knowledge gaps will allow future research to effectively target these cells and harness their regenerative potential.

关键词： astrocytes glial signaling microglia spinal cord injury synaptic transmission

A commentary of“Novel approaches in precise genome manipulations from single nucleotides to large DNA segments”:Top 10 Scientific Advances of 2023,China

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Fundamental Research 2024年第3期4卷 699-700页

作者： Xiaofeng Cao institute of genetics and developmental biology Chinese Academy of SciencesBeijing 100101China

The life sciences field has experienced profound impacts from genome editing,a technology that enables precise genetic sequence modifications in living *** in genome editing have significantly propelled advances in biomedicine and agricultural *** the introduction of CRISPR as a genome editing tool in 2012[1],rapid progress has paved the way for emerging technologies such as base editing and prime editing[2,3].These sophisticated editing methods facilitate more accurate genome modifications and promise to profoundly impact the future of precision medicine,crop improvement,and even the de novo design of organisms.

关键词： precise editing manipulation

Emerging roles and therapeutic potentials of sphingolipids in pathophysiology:emphasis on fatty acyl heterogeneity

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Journal of genetics and Genomics 2024年第3期51卷 268-278页

作者： Jinming Mu Sin Man Lam Guanghou Shui State Key Laboratory of Molecular developmental biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100101China Lipidall Technologies Company Limited ChangzhouJiangsu 213000China

Sphingolipids not only exert structural roles in cellular membranes,but also act as signaling molecules in various physiological and pathological processes.A myriad of studies have shown that abnormal levels of sphingolipids and their metabolic enzymes are associated with a variety of human ***,blood sphingolipids can also be used as biomarkers for disease *** review summarizes the biosynthesis,metabolism,and pathological roles of sphingolipids,with emphasis on the biosynthesis of ceramide,the precursor for the biosynthesis of complex sphingolipids with different fatty acyl *** possibility of using sphingolipids for disease prediction,diagnosis,and treatment is also *** endogenous ceramides and complex sphingolipids along with their specific fatty acyl chain to promote future drug development will also be discussed.

关键词： Sphingolipids Ceramide Therapeutic targets Microdomain Biomarker

From molecule to cell:the expanding frontiers of plant immunity

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Journal of genetics and Genomics 2024年第7期51卷 680-690页

作者： Lei Li Jing Liu Jian-Min Zhou Key Laboratory of Seed Innovation Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Hainan Yazhou Bay Seed Laboratory SanyaHainan 572025China

In recent years,the field of plant immunity has witnessed remarkable *** the co-evolution between plants and pathogens,plants have developed a wealth of intricate defense mechanisms to safeguard their *** identified immune receptors have added unexpected complexity to the surface and intracellular sensor networks,enriching our understanding of the ongoing plant–pathogen *** the molecular mechanisms of resistosome shapes our understanding of these mysterious molecules in plant ***,technological innovations are expanding the horizon of the plant–pathogen battlefield into spatial and temporal *** the development provides new opportunities for untangling the complex realm of plant immunity,challenges remain in uncovering plant immunity across spatiotemporal dimensions from both molecular and cellular levels.

关键词： Plant immunity Calcium Spatiotemporal Biomolecular condensate Immune receptor Resistosome

Non-transcriptional regulatory activity of SMAX1 and SMXL2 mediates karrikin-regulated seedling response to red light in Arabidopsis

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Molecular Plant 2024年第7期17卷 1054-1072页

作者： Wenwen Chang Qiao Qiao Qingtian Li Xin Li Yanyan Li Xiahe Huang Yingchun Wang Jiayang Li Bing Wang Lei Wang Key Laboratory of Seed Innovation Center for Agricultural Resources ResearchInstitute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangHebei050021China Key Laboratory of Seed Innovation Institute of Genetics and Developmental BiologyThe Innovative Academy for Seed DesignChinese Academy of SciencesBeijing100101China University of Chinese Academy of Sciences Beijing 100049China Yazhouwan National Laboratory SanyaHainan 572024China

Karrikins and strigolactones govern plant development and environmental responses through closely related signaling *** transcriptional repressor proteins SUPPRESSOR OF MAX21(SMAX1),SMAX1-like2(SMXL2),and D53-like SMXLs mediate karrikin and strigolactone signaling by directly binding downstream genes or byinhibiting the activities of transcription *** this study,we characterized the non-transcriptional regulatory activities of SMXL proteins in *** discovered that SMAX1 and SMXL2 with mutations in their ethylene-responsefactor-associated amphiphilic repression(EAR)motif had undetectable or weak transcriptional repression activities but still partially rescued the hypocotyl elongation defects and fully reversed the cotyledon epinasty defects of the smax1 smxl2 ***1 and SMXL2 directly interact with PHYTOCHROME INTERACTION FACTOR4(PIF4)and PIF5 to enhance their protein stability by interacting with phytochrome B(phyB)and suppressing the association of phyB with PIF4 and *** karrikin-responsive genes were then identified by treatment with GR24ent-ssa,GR24 analog showing karrikin ***,INDOLE-3-ACETIC ACID INDUCIBLE 29(IAA29)expression was repressed by GR24^(ent-5D)streatment in a PIF4-and PIF5-dependent and EARindependent manner,whereas KARRIKIN UPREGULATED F-BOX 1(KUF1)expression was induced in a PIF4-and PIF5-independent and EAR-dependent ***,the non-transcriptional regulatory activity of SMAX1,which is independent of the EAR motif,had a global effect on gene *** together,these results indicate that non-transcriptional regulatory activities of SMAX1 and SMXL2 mediate karrikin-regulated seedling response to red light.

关键词： karrikin signaling SMAX1 and SMXL2 non-transcriptional repression activity PIF4 and PIF5 gene expression red light

Comparison of indicators for agricultural green development and the Sustainable development Goals,and mapping the way forward

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Frontiers of Agricultural Science and Engineering 2024年第1期11卷 69-82页

作者： Jianjie ZHANG Xiangwen FAN Ling LIU Lin MA Zhaohai BAI Wenqi MA College of Resources and Environmental Sciences Hebei Agricultural UniversityBaoding 071001China College of Resources and Environment Shanxi Agricultural UniversityTaiyuan 030031China Center for Agricultural Resources Research Institute of Genetics and Development BiologyChinese Academy of SciencesShijiazhuang 050022China

While agricultural green development(AGD)is highly recognized and has become a national strategy in China,it is imperative to bridge the knowledge gaps between AGD and the UN Sustainable development Goals(SDGs),and to evaluate the contribution of AGD to meeting the *** first aim of this study was to compare the AGD goals and indicators with those of the SDGs so as to identify their *** next aim was to examine the historical evolution of AGD indicators and analyze the gaps between the current status of various indicators and their *** factors were identified in China's transition toward *** findings reveal that the indicators of AGD align with those of the SDGs,but have greater specificity to the context in China and are more *** has been a significant increase per capita calorie and protein intakes in China,as well as a notable rise in agricultural output per unit of arable land and rural incomes from 1980 to the ***,these achievements have been accompanied by a high resource use and environmental pollution,highlighting the need for a more sustainable,environmentally responsible agriculture in China.

关键词： Agricultural green development sustainable development goals environmental sustainability indicator system optimization pathway

Proximity-dependent protein (de)stabilization: screening the human ORFeome for protein degraders and stabilizers

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3161-3162页

作者： Thomas Hermanns Kay Hofmann institute for genetics University of CologneCologneGermany

In a recent study published in Nature,Poirson et *** an unbiased screen for proteins that can either bring about-or prevent-the destruction of proteinaceous model substrates in a proximity-dependent *** of such protein degraders and stabilizers will be instrumental in the development of new drug classes that specifically regulate the abundance of their target proteins.

关键词： al. stabilization stabilizers

Aagab is required for zebrafish larval development by regulating neural activity

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Journal of genetics and Genomics 2024年第6期51卷 630-641页

作者： Shihui Ding Tursunjan Aziz Anming Meng Shunji Jia State Key Laboratory of Membrane biology Tsinghua-Peking Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijing 100084China Guangzhou Laboratory GuangzhouGuangdong 510320China State Key Laboratory of Molecular developmental biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China

Clathrin-mediated endocytosis has been implicated in various physiological processes,including nutrient uptake,signal transduction,synaptic vesicle recycling,maintenance of cell polarity,and antigen *** prior knowledge of its importance as a key regulator in promoting clathrin-mediated endocytosis,the physiological function of α-and γ-adaptin binding protein(aagab)remains *** this study,we investigate the biological function of aagab during zebrafish *** establish a loss-of-function mutant of aagab in zebrafish,revealing impaired swimming and early larval *** the high expression level of aagab in the brain,we probe into its physiological role in the nervous *** mutants display subdued calcium responses and local field potential in the optic tectal neurons,aligning with reduced neurotransmitter release(e.g.,norepinephrine)in the tectal neuropil of aagab *** aagab mRNA or nervous stimulant treatment in mutants restores neurotransmitter release,calcium responses,swimming ability,and ***,our observations show delayed release of FM 1-43 in AAGAB knockdown differentiated neuroblastoma cells,pointing towards a probable link to defective clathrin-mediated synaptic vesicle *** conclusion,our study underscores the significance of Aagab in neurobiology and suggests its potential impacts on neurological disorders.

关键词： Aagab Endocytosis Neural activity Synaptic transmitter release Zebrafish

Two diversities meet in the rhizosphere:root specialized metabolites and microbiome

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Journal of genetics and Genomics 2024年第5期51卷 467-478页

作者： Xiaochen Wang Jingying Zhang Xinjun Lu Yang Bai Guodong Wang State Key Laboratory of Plant Genomics Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China CAS-JIC Centre of Excellence for Plant and Microbial Science Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Hainan Yazhou Bay Seed Laboratory SanyaHainan 572025China College of Advanced Agricultural Sciences Chinese Academy of SciencesBeijing 100049China

Plants serve as rich repositories of diverse chemical compounds collectively referred to as specialized *** compounds are of importance for adaptive processes,including interactions with various microbes both beneficial and *** microbes as bioreactors,the chemical diversity undergoes dynamic changes when root-derived specialized metabolites(RSMs)and microbes encounter each other in the *** advancements in sequencing techniques and molecular biology tools have not only accelerated the elucidation of biosynthetic pathways of RSMs but also unveiled the significance of RSMs in plant-microbe *** this review,we provide a comprehensive description of the effects of RSMs on microbe assembly in the rhizosphere and the influence of corresponding microbial changes on plant health,incorporating the most up-to-date information ***,we highlight open questions that remain for a deeper understanding of and harnessing the potential of RSM-microbe interactions to enhance plant adaptation to the ***,we propose a pipeline for investigating the intricate associations between root exometabolites and the rhizomicrobiome.

关键词： Root specialized metabolites Microbiome Plant-microbe interactions Rhizosphere Diversity