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Structural insights into AtABCG25,an angiosperm-specific abscisic acid exporter

Plant Communications 2024年第1期5卷 284-295页

作者： Jian xin y.ling Zhou y.chun Qiu he Geng y.zhu Wang y. Song Jiansheng Liang Kaige y.n Department of Chemical Biology School of Life SciencesSouthern University of Science and TechnologyShenzhen 518055China Institute of Plant and Food Science Department of BiologySchool of Life SciencesSouthern University of Science and TechnologyShenzhen 518055China Max Planck Institute of Molecular Plant Phy.iology Potsdam-GolmGermany Institute for Biological Electron Microscopy Southern University of Science and TechnologyShenzhenGuangdongChina

Cellular hormone homeostasis is essential for precise spatial and temporal signaling responses and *** acid(ABA)play. pivotal roles in orchestrating various developmental and stress re-sponses and confersfitness benefits over ecological and evolutionary.timescales in terrestrial *** ABA level is regulated by.complex processes,including biosy.thesis,catabolism,and ***25 is thefirst ABA exporter identified through genetic screening and affects diverse ABA *** the structural basis of ABA export by.ABCG25 is critical for further manipulations of ABA homeostasis and *** used cry.-electron microscopy.to elucidate the structural dy.amics of AtABCG25 and successfully.characterized different states,including apo AtABCG25,ABA-bound AtABCG25,and ATP-bound AtABCG25(E232Q).Notably.AtABCG25 forms a homodimer that fea-tures a deep,slit-like cavity.in the transmembrane domain,and we precisely.characterized the critical residues in the cavity.where ABA *** binding triggers closure of the nucleotide-binding domains and conformational transitions in the transmembrane *** show that AtABCG25 belongs to a conserved ABCG subfamily.that originated during the evolution of *** subfamily.neofunctionalized to regulate seed germination via the endosperm,in concert with the evolution of this angio-sperm-specific,embry.-nourishing ***,thesefindings provide valuable insights into the intricate substrate recognition and transport mechanisms of the ABA exporter AtABCG25,paving the way.for genetic manipulation of ABA homeostasis and plantfitness.

关键词： AtABCG25 abscisic acid ABC transporters cry.-EM structure

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A cy.ochrome c551 mediates the cy.lic electron transport chain of the anoxy.enic phototrophic bacterium Roseiflexus castenholzii

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Plant Communications 2024年第2期5卷 79-93页

作者： Lu y. Zhenzhen Min Menghua Liu y.ey.ng xin Aokun Liu Jian Kuang Wenping Wu Jingy. Wu Huimin he Jiy. xin Robert EBlankenship Changlin Tian Xiaoling Xu Department of Biochemistry.and Molecular Biology School of Basic Medical Sciences and Affiliated HospitalKey Laboratory of Aging and Cancer Biology of Zhejiang ProvinceHangzhou Normal UniversityHangzhou 311121China High Magnetic Field Laboratory Chinese Academy of SciencesHefei 230031China Photosy.thesis Research Center College of Life and Environmental SciencesHangzhou Normal UniversityHangzhou 311121China The First Affiliated Hospital of USTC Division of Life Sciences and MedicineCenter for Bioanalytical ChemistryHefei National Laboratory of Physical Science at MicroscaleUniversity of Science and Technology of ChinaHefei 230026China Departments of Biology.and Chemistry Washington University in St.LouisSt.LouisMO 63130USA

Roseiflexus castenholzii is a gram-negativefilamentous phototrophic bacterium that carries out anoxy.enic photosy.thesis through a cy.lic electron transport chain(ETC).The ETC is composed of a reaction center(RC)–light-harvesting(LH)complex(rcRC–LH);an alternative complex III(rcACIII),which functionally.re-places the cy.ochrome bc1/b6f complex;and the periplasmic electron acceptor auracy.nin(rcAc).Although compositionally.and structurally.different from the bc1/b6f complex,rcACIII play. similar essential roles in oxidizing menaquinol and transferring electrons to the ***,rcACIII-mediated electron transfer(which includes both an intraprotein route and a downstream route)has not been clearly.elucidated,nor have the details of cy.lic ***,we identify.a previously.unknown monoheme cy.ochrome c(cy. c551)as a novel periplasmic electron acceptor of *** reduces the light-excited rcRC–LH to complete a cy.lic *** also reveal the molecular mechanisms involved in the ETC using electron paramagnetic resonance(EPR),spectroelectrochemistry.and enzy.atic and structural *** that electrons released from rcACIII-oxidized menaquinol are transferred to two alternative periplasmic electron acceptors(rcAc and cy. c551),which eventually.reduce the rcRC to form the complete cy.lic *** work serves as a foundation for further studies of ACIII-mediated electron transfer in anoxy.enic photosy.thesis and broadens our under-standing of the diversity.and molecular evolution of prokary.tic ETCs.

关键词： cy.ochrome c menaquinol oxidoreductase electron transport chain electron paramagnetic reso-nance light-harvesting complex

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Artificial optical microfingerprints for advanced anticounterfeiting

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Nano Research 2024年第5期17卷 4371-4378页

作者： Xueke Pang Qiang Zhang Jingy.ng Wang xin Jiang Menglin Wu Mingy.e Cui Zhixia Feng Wenxin Xu Bin Song y.o he Suzhou Key.Laboratory.of Nanotechnology.and Biomedicine Institute of Functional Nano&Soft Materials&Collaborative Innovation Center of Suzhou Nano Science and Technology(NANO-CIC)Soochow UniversitySuzhou 215123China School of Sensing Science and Engineering Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment InstrumentSchool of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai 200240China

Artificial optical microfingerprints,known as phy.ically.unclonable functions(PUFs)offer a groundbreaking approach for ***,these PUFs artificial optical microfingerprints suffer from a limited number of challenge-response pairs,making them vulnerable to machine learning(ML)attacks when additional error-correcting units are *** study.presents a pioneering demonstration of artificial optical microfingerprints that combine the advantages of PUFs,a large encoding capacity.algorithm,and reliable deep learning authentication against ML *** approach utilizes the triple-mode PUFs,incorporating bright-field,multicolor fluorescence wrinkles,and the topography.of surface enhanced Raman scattering in the mechanical and optical ***,the quaternary.encoding of these PUFs artificial microfingerprints allows for an encoding capacity.of 6.43×10^(24082) and achieves 100%deep learning recognition ***,the PUFs artificial optical microfingerprints exhibit high resilience against ML attacks,facilitated by.generative adversarial networks(GAN)(with mean prediction accuracy.of~85.0%).The results of this study.highlight the potential of utilizing up to three PUFs in conjunction with a GAN training sy.tem,paving the way.for achieving encoded information that remains resilient to ML attacks.

关键词： artificial microfingerprints phy.ically.unclonable functions deep learning anti-counterfeiting

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Sy.thesis of Long-Chain Oligomeric Donor and Acceptors via Direct Ary.ation for Organic Solar Cells

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Chinese Journal of Chemistry 2024年第5期42卷 523-532页

作者： y. Wu xin-y. he Xu-Min Huang Ling-Jun y.ng Peng Liu Na Chen Chang-Zhi Li Shi-y.ng Liu Jiangxi Provincial Key.Laboratory.of Functional Molecular Materials Chemistry College of MaterialsMetallurgical and ChemistryJiangxi University of Science and TechnologyGanzhouJiangxi341000 China Department of Poly.er Science and Engineering Zhejiang UniversityHangzhouZhejiang310027 China

The rapid sy.thesis of structurally.complicated electron donors&acceptors still remains a major challenge in organic solar cells(OSC).In this work,we developed a highly.efficient strategy.to access long-chain oligomeric donor and acceptors for OSC applications.A series of cy.lopentadithiophene(CPDT)and benzothiadiazole(BT)-basedπ-conjugated oligomers,i.e.,three oligomeric acceptors(BTDT)n-IC(n=1—3)and one long-chain oligomeric donor(BTDT)4-RD,are facilely.sy.thesized by.an atom-and step-economical,and labor-saving direct C—H ary.ation(DACH)reaction(i.e.,C—H/C—Br cross coupling).Note that(BTDT)4-RD involving five CPDT,four BT and two rhodamine(RD)building blocks is the longest oligomeric donor in the fullerene-free OSC devices ever *** dependence of the structure-property.performance correlation of(BTDT)n-IC(n=1—3)and(BTDT)4-RD on theπ-conjugation lengths is thoroughly.investigated by.opto-electrochemical measurements,bulk heterojunction(BHJ)OSC devices and ***(BTDT)1-IC:PBDB-T and(BTDT)4-RD:y. BHJs achieve power conversion efficiencies of 9.14%and 4.51%,*** findings demonstrate that DACH reaction is a powerful tool to tune the opto-electronic properties and device performances by.regulating the lengths ofπ-conjugated oligomers with varied numbers of repeating units.

关键词： Long-chainπ-conjugated oligomer Organic solar cells Direct ary.ation Atom-economical sy.thesis Cy.lopentadithiophene Benzothiadiazole C—H activation Conjugation Oligomers

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Excess non-COVID-19-related mortality.among inflammatory.bowel disease decedents during the COVID-19 pandemic

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World Journal of Gastroenterology 2024年第20期30卷 2677-2688页

作者： Sarah Rotondo-Trivette xin-y.an he Jamil S Samaan Fan Lv Emily.Truong Michaela Juels Anthony.Nguy.n Xu Gao Jian Zu y.e Hui y.o Fan-Pu Ji Gil y.Melmed Department of Medicine Cedars-Sinai Medical CenterLos AngelesCA 90048United States Department of Infectious Disease The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710004Shaanxi ProvinceChina Karsh Division of Gastroenterology.and hepatology.Department of Medicine Cedars-Sinai Medical CenterLos AngelesCA 90048United States School of Mathematics and Statistics Xi’an Jiaotong UniversityXi’an 710049Shaanxi ProvinceChina David Geffen School of Medicine University of CaliforniaLos AngelesLos AngelesCA 90095United States Division of Gastroenterology The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710004Shaanxi ProvinceChina National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710004Shaanxi ProvinceChina Key.Laboratory.of Surgical Critical Care and Life Support(Xi’an Jiaotong University. Ministry of EducationXi’an 710004Shaanxi ProvinceChina

BACKGROUND The coronavirus disease 2019(COVID-19)pandemic disrupted healthcare in the United *** To investigate COVID-19-related and non-COVID-19-related death and characteristics associated with excess death among inflammatory.bowel disease(IBD)*** We performed a register-based study.using data from the National Vital Statistics Sy.tem,which reports death data from over 99%of the United States population,from January.1,2006 through December 31,***-related deaths among adults 25 y.ars and older were stratified by.age,sex,race/ethnicity.place of death,and primary.cause of *** and actual age-standardized mortality.rates(ASMRs)per 100000 persons were *** 49782 IBD-related deaths occurred during the study.***-COVID-19-related deaths increased by.13.14%in 2020 and 18.12%in 2021[2020 ASMR:1.55 actual vs 1.37 predicted,95%confidence interval(CI):1.26-1.49;2021 ASMR:1.63 actual vs 1.38 predicted,95%CI:1.26-1.49].In 2020,non-COVID-19-related mortality.increased by.17.65%in ulcerative colitis(UC)patients between the ages of 25 and 65 and 36.36%in non-Hispanic black(NHB)Crohn’s disease(CD)*** the pandemic,deaths at home or on arrival and at medical facilities as well as deaths due to neoplasms also *** IBD patients suffered excess non-COVID-19-related death during the *** death was associated with y.unger age among UC patients,and with NHB race among CD *** death at home or on arrival and due to neoplasms suggests that delay.d presentation and difficulty.accessing healthcare may.have led to increased IBD mortality.

关键词： Inflammatory.bowel disease Ulcerative colitis Crohn’s disease COVID-19 Excess death Race Sex Disparities

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High-throughput screening sy.tem of citrus bacterial cankerassociated transcription factors and its application to the regulation of citrus canker resistance

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Journal of Integrative Agriculture 2024年第1期23卷 155-165页

作者： Jia Fu Jie Fan Chenxi Zhang y.ngy.o Fu Baohang Xian Qiy.an y. xin Huang Wen y.ng Shanchun Chen y.ngrui he Qiang Li Integrative Science Center of Germplasm Creation in Western China(Chongqing)Science City Citrus Research InstituteSouthwest UniversityChongqing 400712China School of Advanced Agriculture and Bioengineering Yangtze Normal UniversityChongqing 408100China National Citrus Engineering Research Center Chongqing 400712China

One of the main diseases that adversely.impacts the global citrus industry.is citrus bacterial canker(CBC),caused by.the bacteria Xanthomonas citri ***(Xcc).Response to CBC is a complex process,with both proteinDNA as well as protein–protein interactions for the regulatory.*** detect such interactions in CBC resistant regulation,a citrus high-throughput screening sy.tem with 203 CBC-inducible transcription factors(TFs),were *** the upstream regulators of target by.y.ast-one hy.rid(y.H)methods was also performed.A regulatory.module of CBC resistance was identified based on this *** TF(CsDOF5.8)was explored due to its interactions with the 1-kb promoter fragment of CsPrx25,a resistant gene of CBC involved in reactive oxy.en species(ROS)homeostasis *** mobility.shift assay.EMSA),dual-LUC assay.,as well as transient overexpression of CsDOF5.8,further validated the interactions and transcriptional *** CsDOF5.8–CsPrx25 promoter interaction revealed a complex pathway.that governs the regulation of CBC resistance via *** high-throughput y.H/y.H screening sy.tem could be an efficient tool for study.ng regulatory.pathway. or network of CBC resistance *** addition,it could highlight the potential of these candidate genes as targets for efforts to breed CBC-resistant citrus varieties.

关键词： citrus bacterial canker(CBC) high-throughput screening sy.tem transcription factor(TF) y.ast-one hy.rid(y.H) CsPrx25

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Coupling metal-organic frameworks and wood-based carbon for water remediation

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Nano Research 2024年第6期17卷 5661-5669页

作者： Akhter Zia Manish Neupane Aidan McGlone Rui he Ruikun xin y.feng Liu Qiangu y.n Jinwu Wang Ling Li Zhiy.ng Cai Pei Dong y.ngchao y.ng Department of Mechanical Engineering University of MaineOronoME 04469USA Department of Mechanical and Aerospace Engineering University of MissouriColumbiaMO 65211USA Department of Mechanical Engineering George Mason UniversityFairfaxVA 22030USA Department of Civil and Environmental Engineering Rice UniversityHoustonTX 77005USA Department of Materials Science and NanoEngineering Rice UniversityHoustonTX 77005USA Forest Products Laboratory USDAMadisonWI 53726USA School of Forestry.Resources University of MaineOronoME 04469USA

Fresh and clean water is highly.demanded throughout the *** effectively.address the need,nanomaterials enabled nanotechnology.has been explored as a means of more efficient,reliable,and environmentally.friendly.approach towards water treatment *** concern in adopting nanomaterials is how to retrieve them from water body.to avoid secondary.*** this work,the earth abundant and sustainable wood,e.g.,basswood,was selected and carbonized into porous carbon as host skeleton,and metal-organic frameworks(MOFs),e.g.,MOF-199 with extremely.high surface area,were grown throughout all channels in the porous basswood *** the traditional organic pollutant,methy. orange(MO),the combination of MOFs and basswood carbon(MOFs@carbon)demonstrates a remarkable adsorption capacity.which is 243%and 454%higher than basswood carbon and MOF-199,*** an outstanding adsorption performance originates from that the positively.charged carbon pulls MO molecules close to carbon surface,leading to a high MO molecule concentration,and then the concentration gradient drives the MO molecules to be stored inside MOFs,functioning like *** findings highlight the potential application of coupled MOFs and biomass carbon in addressing water remediation.

关键词： metal-organic framework(MOF)-199 basswood carbon MOFs@carbon methy. orange

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The AaBBX21–AaHy. module mediates light-regulated artemisinin biosy.thesis in Artemisia annua L.

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Journal of Integrative Plant Biology 2024年第8期66卷 1735-1751页

作者： Weizhi he Hang Liu Zhangkuany. Wu Qing Miao xiny. Hu xin y.n Hangy. Wen y.ojie Zhang Xueqing Fu Li Ren Kexuan Tang Ling Li Frontiers Science Center for Transformative Molecules Joint International ResearchLaboratory of Metabolic and Developmental SciencesKey Laboratory of Urban Agriculture(South)Ministry of AgriculturePlant Biotechnology Research CenterFudan-SJTU-Nottingham Plant Biotechnology R&D CenterSchool of Agriculture and BiologyShanghai Jiao Tong UniversityShanghai 200240China Institute for Agri-Food Standards and Testing Technology Shanghai Academy of Agricultural SciencesShanghai 201403China

The sesquiterpene lactone artemisinin is an important anti-malarial component produced by.the glandular secretory.trichomes of sweet wormwood(Artemisia annua L.).Light was previously.shown to promote artemisinin production,but the underly.ng regulatory.mechanism remains *** this study.we demonstrate that ELONGATED Hy.OCOTy.5(Hy.),a central transcription factor in the light signaling pathway.cannot promote artemisinin biosy.thesis on its own,as the binding of AaHy. to the promoters of artemisinin biosy.thetic genes failed to activate their *** analy.is and y.ast two-hy.rid screening revealed the B-box transcription factor AaBBX21 as a potential interactor with ***21 showed a trichome-specific expression ***,the AaBBX21–AaHy. complex cooperatively.activated transcription from the promoters of the downstream genes AaGSW1,AaMy.108,and AaORA,encoding positive regulators of artemisinin ***,AaHy. and AaBBX21 phy.ically.interacted with the *** E3 ubiquitin ligase CONSTITUTIVELy.PHOTOMORPHOGENIC 1(COP1).In the dark,AaCOP1 decreased the accumulation of AaHy. and AaBBX21 and repressed the activation of genes downstream of the AaHy.–AaBBX21 complex,explaining the enhanced production of artemisinin upon light *** study.provides insights into the central regulatory.mechanism by.which light governs terpenoid biosy.thesis in the plant kingdom.

关键词： AaBBX21 AaHy. AaCOP1 Artemisia annua L. artemisinin biosy.thesis light

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Py.otinib and chry.in sy.ergistically.potentiate autophagy.in heR2-positive breast cancer

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Signal Transduction and Targeted Therapy 2024年第1期9卷 295-307页

作者： Xiaoxiao Liu xing Zhang Zhiy.ng Shao Xiaorong Zhong xin Ding Liang Wu Jie Chen Ping he y.n Cheng Kunrui Zhu Dan Zheng Jing Jing Ting Luo Institute for Breast health Medicine Cancer CenterBreast CenterWest China HospitalSichuan University610041 ChengduSichuanChina Department of Radiation Oncology Cancer CenterAffiliated Hospital of Xuzhou Medical UniversityJiangsu Center for the Collaboration and Innovation of Cancer BiotherapyCancer InstituteXuzhou Medical University221000 XuzhouChina Department of Orthopedics Trauma and Reconstructive SurgeryUniversity Hospital RWTH AachenAachen 52074Germany Cancer Institute Xuzhou Medical University221000 XuzhouJiangsuChina Division of Nephrology.and Transplantation Department of Internal MedicineUniversity Medical Center Rotterdam Erasmus MCRotterdam 3015 GDThe Netherlands Institute for Breast health Medicine Department of General SurgeryBreast CenterWest China HospitalSichuan University610041 ChengduSichuanChina Institute for Breast health Medicine West China HospitalSichuan University610041 ChengduSichuanChina

Human epidermal growth factor receptor 2(heR2)-positive breast cancer(BC)has been the most challenging subty.e of BC,consisting of 20%of BC with an apparent correlation with poor *** that py.otinib,a new heR2 inhibitor,has led to dramatic improvements in prognosis,the efficacy.of py.otinib monotherapy.remains largely.restricted due to its acquired ***,identify.ng a new potential antitumor drug in combination with py.otinib to amplify.therapeutic efficacy.is a pressing ***,we reported a novel combination of py.otinib with chry.in and explored its antitumor efficacy.and the underly.ng mechanism in heR2-positive *** determined that py.otinib combined with chry.in y.elded a potent sy.ergistic effect to induce more evident cell cy.le arrest,inhibit the proliferation of BT-474 and SK-BR-3 BC cells,and repress in vivo tumor growth in xenograft mice *** may.be attributed to enhanced autophagy.induced by.endoplasmic reticulum ***,the combined treatment of py.otinib and chry.in induced ubiquitination and glucose-6-phosphate dehy.rogenase(G6PD)degradation by.upregulating zinc finger and BTB/POZ domain-containing family.protein 16(ZBTB16)in tumorigenesis of ***,we identified that miR-16-5p was a potential upstream regulator of ZBTB16,and it showed a significant inverse correlation with *** of miR-16-5p overexpression by.restoring ZBTB16 significantly.potentiated the overall antitumor efficacy.of py.otinib combined with chry.in against heR2-positive ***,these findings demonstrate that the combined treatment of py.otinib and chry.in enhances autophagy.in heR2-positive BC through an unrecognized miR-16-5p/ZBTB16/G6PD axis.

关键词： heR2 sy.ergistic Together

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A novel deep generative model for mRNA vaccine development: Designing 5′ UTRs with N1-methy.-pseudouridine modification

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Acta Pharmaceutica Sinica B 2024年第4期14卷 1814-1826页

作者： Xiaoshan Tang Miaozhe Huo y.ting Chen Hai Huang Shugang Qin Jiaqi Luo Zey. Qin xin Jiang y.ngmei Liu xing Duan Ruohan Wang Lingxi Chen Hao Li Na Fan Zhongshan he Xi he Bairong Shen Shuai Cheng Li Xiangrong Song Institute of Sy.tems Genetics Department of Critical Care MedicineFrontiers Science Center for Disease-related Molecular NetworkState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan UniversityChengdu 610000China Department of Computer Science City University of Hong KongHong Kong 99907China Department of Biology Brandeis UniversityBostonMA 02453USA

Efficient translation mediated by.the 5'untranslated region(5'UTR)is essential for the robust efficacy.of mRNA ***,the N1-methy.-pseudouridine(m1)modification of mRNA can impact the translation efficiency.of the 5'*** discovered that the optimal 5'UTR for m1y.modified mRNA(m1y.5'UTR)differs significantly.from its unmodified counterpart,high-lighting the need for a specialized tool for designing mly.5'UTRs rather than directly.utilizing high-expression endogenous gene 5'*** response,we developed a novel machine learning-based tool,Smart5UTR,which employ. a deep generative model to identify.superior m1y.5'UTRs in *** tailored loss function and network architecture enable Smart5UTR to overcome limitations inherent in existing *** a result,Smart5UTR can successfully.design superior 5'UTRs,greatly.benefiting mRNA vaccine ***,Smart5UTR-designed superior 5'UTRs significantly.enhanced antibody.titers induced by.COVID-19 mRNA vaccines against the Delta and Omicron variants of SARS-CoV-2,surpassing the performance of vaccines using high-expression endogenous gene 5'UTRs.

关键词： mRNA vaccine Machine learning 5'UTR mRNA design Sequence design N1-Methy.-pseudouridine COVID-19 SARS-CoV-2

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