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Stay in touch with the endoplasmic reticulum

Science China(Life sciences) 2024年第2期67卷 230-257页

作者： Sha Sun Gan Zhao Mingkang Jia Qing Jiang Shulin Li Haibin Wang Wenjing Li Yunyun Wang Xin Bian Yan G.Zhao Xun Huang Ge Yang Huaqing Cai Jose C.Pastor-Pareja Liang Ge Chuanmao Zhang Junjie Hu National laboratory of Biomacromolecules Institute of BiophysicsUniversity of Chinese Academy of SciencesChinese Academy of SciencesBeijing 100101China The Ministry of Education Key laboratory of Cell Proliferation and Differentiation College of Life SciencesPeking UniversityBeijing 100871China State Key laboratory of Membrane biology Tsinghua-Peking Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijing 100084China laboratory of Computational biology&Machine Intelligence School of Artificial IntelligenceUniversity of Chinese Academy of SciencesBeijing 100049China State Key laboratory of Medicinal Chemical biology College of Life SciencesNankai UniversityTianjin 300071China Brain Research Center Department of BiologySchool of Life SciencesSouthern University of Science and TechnologyShenzhen 518055China State Key laboratory of molecular Developmental biology Institute of Genetics and Developmental BiologyInnovation Academy for Seed DesignChinese Academy of SciencesBeijing 100101China Institute of Neurosciences Consejo Superior de Investigaciones Científicas-Universidad Miguel HernándezSan Juan de Alicante 03550Spain

The endoplasmic reticulum(ER),which is composed of a continuous network of tubules and sheets,forms the most widely distributed membrane system in eukaryotic *** a result,it engages a variety of organelles by establishing membrane contact sites(MCSs).These contacts regulate organelle positioning and remodeling,including fusion and fission,facilitate precise lipid exchange,and couple vital signaling ***,we systematically review recent advances and converging themes on ER-involved organellar *** molecular basis,cellular influence,and potential physiological functions for ER/nuclear envelope contacts with mitochondria,Golgi,endosomes,lysosomes,lipid droplets,autophagosomes,and plasma membrane are summarized.

关键词： endoplasmic reticulum nuclear envelope mitochondria Golgi apparatus endosome lysosome lipid droplets autophagosome plasma membrane membrane contact site

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Global characterization of OsPIP aquaporins reveals that the H_(2)O_(2)transporter OsPIP2;6 increases resistance to rice blast

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The Crop Journal 2024年第1期12卷 102-109页

作者： Gousi Li Jingluan Han Chen Yi Hao Luo Yuzhu Wang Fengpin Wang Xiaoyu Wang Letian Chen Yaling Zhang State Key laboratory for Conservation and Utilization of Subtropical Agro-Bioresources College of Life SciencesSouth China Agricultural UniversityGuangzhou 510642GuangdongChina Guangdong laboratory for Lingnan Modern Agriculture Guangzhou 510642GuangdongChina National Key laboratory of Plant molecular Genetics Shanghai Center for Plant Stress BiologyCAS Center for Excellence in Molecular Plant SciencesShanghai Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghai 200032China

Plasma membrane intrinsic proteins(PIPs)are conserved plant aquaporins that transport small molecules across the plasma membrane to trigger instant stress responses and maintain cellular homeostasis under biotic and abiotic *** elucidate their roles in plant immunity to pathogen attack,we characterized the expression patterns,subcellular localizations,and H_(2)O_(2)-transport ability of 11 OsPIPs in rice(Oryza sativa),and identified OsPIP2;6 as necessary for rice disease ***2;6 resides on the plasma membrane and facilitates cytoplasmic import of the immune signaling molecule H_(2)O_(2).Knockout of OsPIP2;6 increases rice susceptibility to Magnaporthe oryzae,indicating a positive function in plant ***2;6 interacts with OsPIP2;2,which has been reported to increase rice resistance to pathogens via H_(2)O_(2)*** findings suggest that OsPIP2;6 cooperates with OsPIP2;2 as a defense signal transporter complex during plant–pathogen interaction.

关键词： Aquaporin Plant immunity Rice blast H_(2)O_(2)transport

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Efficient nitrate electroreduction over Mn-doped Cu catalyst via regulating N-containing intermediates adsorption configuration

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Science China Chemistry 2024年第6期67卷 1969-1975页

作者： Limin Wu Shunhan Jia Libing Zhang Ruhan Wang Jiaqi Feng Xiaofu Sun Buxing Han Beijing National laboratory for molecular sciences CAS Laboratory of Colloid and Interface and ThermodynamicsCAS Research/Education Center for Excellence in Molecular SciencesCenter for Carbon Neutral ChemistryInstitute of ChemistryChinese Academy of SciencesBeijing100190China School of Chemical sciences University of Chinese Academy of SciencesBeijing100049China College of Chemical Engineering and Environment China University of PetroleumBeijing102249China Shanghai Key laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular EngineeringEast China Normal UniversityShanghai200062China

The electrochemical reduction of NO_(3)^(-)to NH_(3)holds promise for economic and environmental benefits,presenting an energyefficient alternative to the traditional Haber-Bosch ***,challenges exist due to its sluggish kinetics,multiple intermediates,and various reaction *** this study,Mn-doped-Cu catalyst was synthesized and employed for electrochemical NO_(3)^(-)-to-NH_(3)*** doping of Mn into Cu resulted in exceptional performance,achieving a FE of 95.8%and an NH_(3)yield rate of 0.91 mol g^(-1)h^(-1)at-0.6 V in a neutral electrolyte at low NO_(3)^(-)*** experimental studies and theoretical calculations revealed that the Mn dopant enhanced the kinetic rate of NO_(2)~--to-NH_(3)and induced a distinct configuration of**** alteration decreased the energy barrier of*NO-to-*NOH,consequently promoting the conversion of NO_(3)^(-)-to-NH_(3).

关键词： nitrate reduction electrocatalysis ammonia synthesis N-intermediate green chemistry

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Central cell:the key to determine persistent pollen tube attraction or termination

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Science China(Life sciences) 2024年第9期67卷 2030-2032页

作者： Jiang-Guo Meng Shi-Zhen Li Hong-Ju Li Center for Developmental biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Chongqing Key laboratory of Plant Resource Conservation and Germplasm Innovation Integrative Science Center of Germplasm Creation Western China(Chongqing)Science CitySchool of Life SciencesSouthwest UniversityChongqing400715 China Key laboratory of Seed Innovation Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Center for molecular Agrobiology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China

Most eukaryotic species depend on sexual reproduction,characterized by fertilization,to produce a new *** process requires the transfer of sperm(male gamete),containing half of the genetic information,from the male to the egg cell(female gamete),which holds half of the maternal genome,within the female reproductive *** strategies have been evolved to ensure fertilization success in plants.

关键词： organs termination holds

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Advances in theoretical calculations of organic thermoelectric materials

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Chinese Chemical Letters 2024年第8期35卷 112-127页

作者： Shaohua Zhang Liyao Liu Yingqiao Ma Chong-an Di Beijing National laboratory for molecular sciences CAS Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China School of Chemical sciences University of Chinese Academy of SciencesBeijing 100049China

Organic thermoelectric(OTE)materials and devices have garnered significant attention in the past decade for flexible and wearable *** to the numerous combinations of different backbones,side chains,and functional groups for polymer molecules,further efficient developments of high perfor-mance OTEs rely on reverse and rational molecular design as well as fundamental understanding to the structure-property relationship,which both require precise theoretical ***,many theo-retical efforts and progresses have been made to predict TE properties and develop high performance OTE ***,we present first the general methods and principles for OTE theoretical ***,the latest theoretical advances regarding the effects of molecular design,chemical dop-ing,ambipolar charge transport etc.,to TE conversion are carefully *** theoretical advances not only significantly deepen the fundamental understanding of OTEs,but also provide precise guidance to the molecular design of OTE ***,we propose several perspectives for future theoretical investigations of OTEs.

关键词： Organic thermoelectricity Theoretical study Organic semiconductor Structure-property relation Single-molecular device

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Defining two subpopulations of marginal zone B cells

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Cellular & molecular Immunology 2024年第4期21卷 412-413页

作者： Xiaojing Liu Fei-Long Meng Key laboratory of RNA Science and Engineering Shanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai200031China

Marginal zone(MZ)B cells,which are composed of heterogeneous subpopulations,are participate in the rapid response to *** et *** that MZ B cells can be divided into two distinct subpopulations based on CD80 *** two sub... 详细信息

关键词： expression. subpopulations al.

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Hydrogen generation from NaBH_(4) for portable proton exchange membrane fuel cell

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Materials Reports(Energy) 2024年第1期4卷 69-78页

作者： Bingxue Sun Xingguo Li Jie Zheng Beijing National laboratory for molecular sciences(BNLMS) College of Chemistry and Molecular EngineeringPeking UniversityBeijing100871PR China

Sodium borohydride(NaBH_(4)) is considered as the most potential hydrogen storage material for portable proton exchange membrane fuel cells(PEMFC)because of its high theoretical hydrogen ***,the slow and poor kinetic stability of hydrogen generation from NaBH_(4) hydrolysis limits its *** are two main factors influencing the kinetics stability of hydrogen generation from NaBH_(4).One factor is that the alkaline byproducts(NaBO_(2)) of the hydrolysis reaction can increase the pH of the solution,thus inhibiting the reaction *** mainly happens in the NaBH_(4) solution hydrolysis *** factor is that the monotonous increase in reaction temperature leads to uncontrollable and unpredictable hydrolysis rates in the solid NaBH_(4) hydrolysis *** is due to the excess heat generated from this exothermic reaction in the initial reaction of NaBH_(4) *** this perspective,we summarize the latest research progress in hydrogen generation from NaBH_(4) and emphasize the design principles of catalysts for hydrogen generation from NaBH_(4) solution and solid state NaBH_(4).The importance of carbon as catalyst support material for NaBH_(4) hydrolysis is also highlighted.

关键词： NaBH_(4)hydrolysis Hydrogen generation Catalyst Kinetics Carbon support materials

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Ni-catalyzed highly regio- and stereo-selective diborylative cyclization of 1,6-enynes with diboron reagent

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Science China Chemistry 2024年第3期67卷 981-989页

作者： Qitao Guan Zhen Shen Yiqiang Tian Genping Huang Chun Zhang Institute of molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic ScienceDepartment of ChemistrySchool of SciencesTianjin UniversityTianjin 300072China State Key laboratory of Elemento-Organic Chemistry Nankai UniversityTianjin 300071China

The Ni-catalyzed highly selective diborylative cyclization of 1,6-enynes with diboron reagent has been developed. When pinB-Bdan was used, multiple types of boron-containing functional groups could be installed into organic molecule with great chemoselectivity and regioselectivity though this reaction. Meanwhile, if B_2pai_2 was employed, the asymmetric diborylative cyclization could be well induced by using strategy of dynamic kinetic resolution. Importantly, the above reactions could afford desired product with 100% atomic economy, and could be compatible with different series of substituents. The studies of further transformation well illustrated that different type products could serve diverse synthetic strategy. Notably, the reaction mechanism was intensively studied by density functional theory(DFT) calculations, which could reveal the mechanism of regio- and enantio-selective control.

关键词： nickel-catalyzed organoboron cyclization regioselectivity enantioselectivity

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PARP1-DNA co-condensation:the driver of broken DNA repair

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2351-2353页

作者： Xiang Wei Fangfang Zhou Long Zhang Life sciences Institute The Second Affiliated Hospital of the Zhejiang University School of MedicineThe MOE Key Laboratory of Biosystems Homeostasis&Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell BiologyZhejiang UniversityHangzhouChina The First Affiliated Hospital the Institutes of Biology and Medical SciencesSuzhou Medical CollegeSoochow UniversitySuzhouJiangsu 215123China

A recent study published by Simon Alberti1 in Cell has revealed that DNA double-strand break(DSB)sites that prevent the disjunction of broken DNA ends are formed through poly(ADPribose)(PAR)polymerase 1(PARP1)-DNA co-condensation.1(Fig.1).Here,a comprehensive and novel model was provided for the ordered assembly of PARP1-DNA condensates,which can rationally make clear broken DNA end synapses and how repair effectors are recruited to repair DSB.

关键词： PARP1 repair rational

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Metabolic plasticity of T cell fate decision

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Chinese Medical Journal 2024年第7期137卷 762-775页

作者： Xiaoli Pan Jiajia Wang Lianjun Zhang Guideng Li Bo Huang National Key laboratory of Immunity and Inflammation Suzhou Institute of Systems MedicineChinese Academy of Medical Sciences&Peking Union Medical CollegeSuzhouJiangsu 215123China Key laboratory of Synthetic biology Regulatory Element Suzhou Institute of Systems MedicineChinese Academy of Medical Sciences&Peking Union Medical CollegeSuzhouJiangsu 215123China Department of Immunology&National Key laboratory of Medical molecular biology Institute of Basic Medical SciencesChinese Academy of Medical Sciences(CAMS)&Peking Union Medical CollegeBeijing 100005China Department of Biochemistry&molecular biology Tongji Medical CollegeHuazhong University of Science&TechnologyWuhanHubei 430030China

The efficacy of adaptive immune responses in cancer treatment relies heavily on the state of the T *** antigen exposure,T cells undergo metabolic reprogramming,leading to the development of functional effectors or memory ***,within the tumor microenvironment(TME),metabolic stress impairs CD8+T cell anti-tumor immunity,resulting in exhausted *** studies suggested that targeting T cell metabolism could offer promising therapeutic opportunities to enhance T cell *** this review,we provide a comprehensive summary of the intrinsic and extrinsic factors necessary for metabolic reprogramming during the development of effector and memory T cells in response to acute and chronic inflammatory ***,we delved into the different metabolic switches that occur during T cell exhaustion,exploring how prolonged metabolic stress within the TME triggers alterations in cellular metabolism and the epigenetic landscape that contribute to T cell exhaustion,ultimately leading to a persistently exhausted *** the intricate relationship between T cell metabolism and cancer immunotherapy can lead to the development of novel approaches to improve the efficacy of T cell-based treatments against cancer.

关键词： T cell immunotherapy T cell differentiation T cell exhaustion Metabolic reprogramming Tumor microenvironment

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