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Chemical diversity of scleractinian corals revealed by untargeted metabolomics and molecular networking

Acta Oceanologica Sinica 2023年第11期42卷 127-135页

作者： Jiying Pei Yuxia Zhou Shiguo Chen Kefu Yu Zhenjun Qin Ruijie Zhang Yitong Wang Coral Reef Research Center of China Guangxi Laboratory on the Study of Coral Reefs in the South China SeaSchool of Marine SciencesGuangxi UniversityNanning 530000China Southern Marine Science and Engineering Guangdong laboratory Zhuhai 519080China

The chemical diversity of scleractinian corals is closely related to their physiological,ecological,and evolutionary status,and can be influenced by both genetic background and environmental *** investigate intraspecific variation in the metabolites of these corals,the metabolomes of four species(Pocillopora meandrina,Seriatopora hystrix,Acropora formosa,and Fungia fungites)from the South China Sea were analyzed using untargeted mass spectrometry-based *** results showed that a variety of metabolites,including amino acids,peptides,lipids,and other small molecules,were differentially distributed among the four species,leading to their significant separation in principal component analysis and hierarchical clustering *** higher content of storage lipids in branching corals(***,***,and ***)compared to the solitary coral(***)may be due to the high densities of zooxanthellae in their *** high content of aromatic amino acids in *** may help the coral protect against ultraviolet damage and promote growth in shallow seawater,while nitrogen-rich compounds may enable *** to survive in various challenging *** metabolites enriched in ***,including amino acids,dipeptides,phospholipids,and other small molecules,may be related to the composition of the coral's mucus and its life-history,such as its ability to move freely and live *** the chemical diversity of scleractinian corals not only provides insight into their environmental adaptation,but also holds potential for the chemotaxonomy of corals and the discovery of novel bioactive natural products.

关键词： scleractinian coral chemical diversity metabolomics molecular networking environmental adaptation

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Multiple collisions in crystal high-order harmonic generation

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Chinese Physics B 2022年第12期31卷 182-189页

作者： Dong Tang Xue-Bin Bian State Key laboratory of Magnetic Resonance and Atomic and molecular Physics Wuhan Institute of Physics and MathematicsInnovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China

We theoretically investigate high-order harmonic generation(HHG)in crystals induced by linearly polarized laser *** obtain the HHG spectra by solving the semiconductor Bloch equations and analyze the radiation process by different *** we propose a multiple collision model,in which the electrons and holes are produced at different times and *** is found that the multiple collision trajectories can help us comprehensively and better explain the results of the quantum ***,we find that the harmonic suppression occurs due to the overlap of multiple collision trajectories.

关键词： high-order harmonic generation ultrafast optics Bloch electron dynamics

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Theoretical studies of MXene-supported single-atom catalysts:Os_(1)/Ti_(2)CS_(2) for low-temperature CO oxidation

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Science China Materials 2022年第5期65卷 1303-1312页

作者： Yang Meng Jin-Xia Liang Chun Zhu Cong-Qiao Xu Jun Li School of Chemistry and Chemical Engineering Guizhou UniversityGuiyang 550025China Department of Chemistry Southern University of Science and TechnologyShenzhen 518055China Department of Chemistry and Key laboratory of Organic Optoelectronics&molecular Engineering of Ministry of Education Tsinghua UniversityBeijing 100084China

We report herein a new sulfur-functionalized MXene Ti_(2)C(Ti_(2)CS_(2))-supported osmium-metal single-atom catalyst(SAC) Os_(1)/Ti_(2)CS_(2)with high low-temperature catalytic activity for CO oxidation. Using periodic density functional theory calculations, the most stable SAC, Os_(1)/Ti_(2)CS_(2), has been screened from a series of group 8–11 transition metal SACs M_(1)/Ti_(2)CS_(2)(M = Fe, Co, Ni, Cu;Ru, Rh, Pd, Ag;Os, Ir,Pt, Au). The calculations show that it is favorable for O;and CO to be coadsorbed on the Os;single atom(SA) of Os_(1)/Ti_(2)CS_(2)and the adsorption energy of the first O_(2) molecule is slightly higher than that of CO. Moreover, the termolecular co-adsorption of O_(2)+ 2CO on Os_(1) SA is also possible, which is favorable for CO oxidation on Os_(1) SA through a novel threemolecule reaction mechanism. Accordingly, four different catalytic mechanisms, the Langmuir–Hinshelwood(L–H),Eley–Rideal(E–R), termolecular Langmuir–Hinshelwood-A(TLH-A) and termolecular Langmuir–Hinshelwood-B(TLHB), are systematically studied for CO oxidation by O_(2) on Os_(1)/Ti_(2)CS_(2). The theoretical studies indicate that the TLH-B mechanism is the most feasible for CO oxidation with the reaction barrier energy of only 0.74 e V, which is far lower than for L–H, E–R and TLH-A with barrier energies of 1.06, 1.09 and1.47 e V, respectively. The results provide fundamental understanding to the surface chemistry of MXene and designing new sulfur-functionalized two-dimensional MXene catalytic nanomaterials.

关键词： single-atom catalyst MXene CO oxidation termolecular Langmuir-Hinshelwood 2D nanomaterial

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Field-free molecular orientation induced by combined femtosecond single-and dual-color laser pulses: The role of delay time and quantum interference

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Chinese Physics B 2014年第1期23卷 201-205页

作者：秦朝朝贾光瑞张现周刘玉芳龙金友张冰 Department of Physics Henan Normal University Xinxiang 453007 China State Key laboratory of Magnetic Resonance and Atomic and molecular Physics Wuhan Institute of Physics and MathematicsChinese Academy of Sciences Wuhan 430071 China

The coherent control of field-free molecular orientation of CO with combined femtosecond single- and dual-color laser pulses has been theoretically studied. The effect of the delay time between the femtosecond single- and dual-color laser pulses is discussed, and the physical mechanism of the enhancement of molecular orientation with pre-alignment of the molecule is investigated. It is found that the basic mechanism is based on the creation of a rotational wave packet by the femtosecond single-color laser pulse. Furthermore, we investigate the interference between multiple rotational excitation pathways following pre-alignment with femtosecond single-color laser pulse. It is shown that such interference can lead to an enhancement of the orientation of CO molecule by a factor of 1.6.

关键词： molecular orientation femtosecond dual-color laser pulse quantum interference

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Mass spectrometric study of Ag's clustering ability with O,S and Se

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Chinese Science Bulletin 2001年第7期46卷 543-549页

作者： Xiaopeng Xing Xia Zhang Xiang Zhao Zhen Gao State Key laboratory of molecular Reaction Dynamics Center of Molecular Science Institute of Chemistry Beijing China

Samples Ag/O/S, Ag/O/Se and Ag/S/Se were ablated directly by laser to produce clusters. The detection was performed with a time-of-flight mass spectrometer (TOF MS). The cluster ions produced had the following distribution: Ag/S binary cluster ions for sample Ag/O/S, Ag/Se binary cluster ions for sample Ag/O/Se, and Ag/Se binary cluster ions and Ag/S/Se ternary cluster ions as the main products for sample Ag/S/Se. Laser double ablation reactor was used to study the reaction between Ag/S(Se, O) binary clusters and Se(S) homoclusters. The experiments show that Se clusters can replace S and O in Ag/S and Ag/O clusters while S clusters can replace O in Ag/O clusters. This fact indicates the sequence of the clustering ability of Ag presented as follows: Ag/Se > Ag/S > Ag/O, which was also proved by theoretical calculation. The reason of this tendency was considered to be the different abilities of the elements’ polarization, which acts on the stability of clusters.

关键词： laser ablation time-of-flight mass spectrometer Ag/O(S Se) atom clusters clustering ability.

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Recent progress in perovskite solar cells:material science

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Science China Chemistry 2023年第1期66卷 10-64页

作者： Jiang-Yang Shao Dongmei Li Jiangjian Shi Chuang Ma Yousheng Wang Xiaomin Liu Xianyuan Jiang Mengmeng Hao Luozheng Zhang Chang Liu Yiting Jiang Zhenhan Wang Yu-Wu Zhong Shengzhong(Frank)Liu Yaohua Mai Yongsheng Liu Yixin Zhao Zhijun Ning Lianzhou Wang Baomin Xu Lei Meng Zuqiang Bian Ziyi Ge Xiaowei Zhan Jingbi You Yongfang Li Qingbo Meng Beijing National laboratory for molecular Sciences CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China laboratory for Renewable Energy(CAS) Beijing National Laboratory for Condensed Matter PhysicsInstitute of PhysicsChinese Academy of SciencesBeijing 100190China Key laboratory of Applied Surface and Colloid Chemistry Ministry of EducationShaanxi Key Laboratory for Advanced Energy DevicesShaanxi Engineering Lab for Advanced Energy TechnologyInstitute for Advanced Energy MaterialsSchool of Materials Science and EngineeringShaanxi Normal UniversityXi’an 710119China Institute of New Energy Technology College of Information Science and TechnologyJinan UniversityGuangzhou 510632China School of Environmental Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240China School of Physical Science and Technology Shanghai Tech UniversityShanghai 201210China Australian Institute for Bioengineering and Nanotechnology and School of Chemical Engineering The University of QueenslandSt LuciaBrisbaneQLD 4072Australia Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055China Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology&EngineeringChinese Academy of SciencesNingbo 315201China Key laboratory of Polymer Chemistry and Physics of Ministry of Education School of Materials Science and EngineeringPeking UniversityBeijing 100871China Key laboratory of Semiconductor Materials Science Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049China Dalian National laboratory for Clean Energy Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China Key laboratory of Funct

Perovskite solar cells represent a promising third-generation photovoltaic technology with low fabrication cost and high power conversion *** light of the rapid development of perovskite materials and devices,a systematic survey on the latest advancements covering a broad range of related work is urgently *** review summarizes the recent major advances in the research of perovskite solar cells from a material science *** discussed topics include the devices based on different type of perovskites(organic-inorganic hybrid,all-inorganic,and lead-free perovskite and perovskite quantum dots),the properties of perovskite defects,different type of charge transport materials(organic,polymeric,and inorganic hole transport materials and inorganic and organic electron transport materials),counter electrodes,and interfacial materials used to improve the efficiency and stability of *** discussions focus on the key progresses reported within the recent five ***,the major issues limiting the production of perovskite solar cells and the prospects for the future development of related materials are discussed.

关键词： perovskite solar cells power conversion efficiency perovskite materials hole transport materials electron transport materials counter electrode materials interfacial functional materials defects

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DICER1 regulates antibacterial function of epididymis by modulating transcription of p-defensins

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Journal of molecular Cell Biology 2019年第5期11卷 408-420页

作者： Chunhua Tang Minjie Ni Shengsong Xie Yao Zhang Chaobao Zhang Zimei Ni Chen Chu Ligang Wu Yuchuan Zhou Yonglian Zhang State Key laboratory of molecular Biology Shanghai Key Laboratory of Molecular Andrology CAS Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences University of Chinese Academy of Sciences Shanghai 200031 China

DICER1 is a key enzyme responsible for the maturation of microRNAs. Recent evidences suggested that DICER1 and microRNAs expressed in epididymis were involved in the control of male fertility. However, the exact mechanism remains to be elucidated. Here, we created a mouse line by targeted disruption of Dicerl gene in the principal cells of distal caput epididymis. Our data indicated that a set of β-defensin genes were downregulated by DICER1 rather than by microRNAs. Moreover, DICER1 was significantly enriched in the promoter of β-defensin gene and controlled transcription. Besides, the antibacterial ability of the adult epididymis significantly declined upon Dicerl deletion both in vitro and in vivo. And a higher incidence of reproductive defect was observed in middle-aged Dicerl^-|- males. These results suggest that DICER1 plays an important role in transcription of β-defensin genes, which are associated with the natural antibacterial properties in a microRNA-independent manner, and further impacts the male fertility.

关键词： epididymis antibacterial property DICER1 β-defensin

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Scheme for the excitation of thorium-229 nuclei based on electronic bridge excitation

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Nuclear Science and Techniques 2023年第2期34卷 88-97页

作者： Lin Li Zi Li Chen Wang Wen‑Ting Gan Xia Hua Xin Tong State Key laboratory of Magnetic Resonance and Atomic and molecular Physics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 100049China Wuhan Institute of Quantum Technology Wuhan 430206China

Thorium-229 possesses the lowest first nuclear excited state,with an energy of approximately 8 *** extremely narrow linewidth of the first nuclear excited state,with an uncertainty of 53 THz,prevents direct laser excitation and realization of the nuclear *** present a proposal using the Coulomb crystal of a linear chain formed by229Th^(3+)ions,where the nuclei of229Th3+ions in the ion trap are excited by the electronic bridge(EB)*** 7 P1∕2state of the thorium-229 nuclear ground state is chosen for EB *** the two-level optical Bloch equation under experimental conditions,we calculate that 2 out of 36 prepared thorium ions in the Coulomb crystal can be excited to the first nuclear excited state,and it takes approximately 2 h to scan over an uncertainty of 0.22 *** advantage of the transition enhancement of EB and the long stability of the Coulomb crystal,the energy uncertainty of the first excited state can be limited to the order of 1 GHz.

关键词： Coulomb crystal Thorium-229 Electronic bridge transition Isomeric state

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Genome and clonal hematopoiesis stability contrasts with immune,cfDNA,mitochondrial,and telomere length changes during short duration spaceflight

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Precision Clinical Medicine 2024年第1期7卷 1-13页

作者： J.Sebastian Garcia-Medina Karolina Sienkiewicz S.Anand Narayanan Eliah G.Overbey Kirill Grigorev Krista A.Ryon Marissa Burke Jacqueline Proszynski Braden Tierney Caleb M.Schmidt Nuria Mencia-Trinchant Remi Klotz Veronica Ortiz Jonathan Foox Christopher Chin Deena Najjar Irina Matei Irenaeus Chan Carlos Cruchaga Ashley Kleinman JangKeun Kim Alexander Lucaci Conor Loy Omary Mzava Iwijn De Vlaminck Anvita Singaraju Lynn E.Taylor Julian C.Schmidt Michael A.Schmidt Kelly Blease Juan Moreno Andrew Boddicker Junhua Zhao Bryan Lajoie Andrew Altomare Semyon Kruglyak Shawn Levy Min Yu Duane C.Hassane Susan M.Bailey Kelly Bolton Jaime Mateus Christopher E.Mason Department of Physiology and Biophysics Weill Cornell MedicineCornell UniversityNew YorkNY 10021USA The HRH Prince Alwaleed Bin Talal Bin Abdulaziz Alsaud Institute for Computational biomedicine Weill Cornell MedicineNew YorkNY 10021USA Department of Immunology Weill Cornell MedicineCornell UniversityNew YorkNY 10021USA Department of Stem Cell Biology and Regenerative Medicine Keck School of MedicineUniversity of Southern CaliforniaLos AngelesCA 90033USA Space Exploration Technologies Corporation HawthomeCA 90250USA Sovaris Aerospace BoulderCO 80302USA Advanced Pattern Analysis&Human Performance Group BoulderCO 80302USA Children's Cancer and Blood Foundation Laboratories Departments of Pediatrics and Cell and Developmental BiologyDrukier Institute for Children's HealthMeyer Cancer CenterWeill Cornell MedicineNew YorkNY 10021USA Meyer Cancer Center Weill Cornell MedicineNew YorkNY 10065USA Department of Nutrition and Integrative Physiology Florida State UniversityTallahasseeFL 32306USA Department of Systems Engineering Colorado State UniversityFort CollinsCO 80523USA Element Biosciences San DiegoCA 10055USA Department of Environmental and Radiological Health Sciences Colorado State UniversityFort CollinsCO 80523USA Cell and molecular Biology Program Colorado State UniversityFort CollinsCO 80523USA BioAstra Inc New YorkNYUSA Washington University St Louis Oncology Division St.LouisMO 63100USA Meinig School of Biomedical Engineering Cornell UniversityIthacaNY 14853USA The Feil Family Brain and Mind Research Institute Weill Cornell MedicineNY 10021USA WorldQuant Initiative for Quantitative Prediction Weill Cornell MedicineNew YorkNY 10021USA

Background The Inspiration4(I4)mission,the first all-civilian orbital flight mission,investigated the physiological effects of short-duration spaceflight through a multi-omic *** advances,there remains much to learn about human adaptation to spaceflight's unique challenges,including microgravity,immune system perturbations,and radiation *** To provide a detailed genetics analysis of the mission,we collected dried blood spots pre-,during,and post-flight for DNA *** length was measured by quantitative PCR,while whole genome and cfDNA sequencing provided insight into genomic stability and immune adaptations.A robust bioinformatic pipeline was used for data analysis,including variant calling to assess mutational *** Telomere elongation occurred during spaceflight and shortened after return to ***-free DNA analysis revealed increased immune cell signatures *** significant clonal hematopoiesis of indeterminate potential(CHIP)or whole-genome instability was *** long-term gene expression changes across immune cells suggested cellular adaptations to the space environment persisting months *** Our findings provide valuable insights into the physiological consequences of short-duration spaceflight,with telomere dynamics and immune cell gene expression adapting to spaceflight and persisting after return to *** sequencing data will serve as a reference point for studying the early development of CHIP in astronauts,an understudied phenomenon as previous studies have focused on career *** study will serve as a reference point for future commercial and non-commercial spaceflight,low Earth orbit(LEO)missions,and deep-space exploration.

关键词： genomes clonal hematopoiesis stability immune mitochondria ribosomes spaceflight

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Corrigendum to “Establishment and functional characterization of the reversibly immortalized mouse glomerular podocytes (imPODs)” [Genes & Diseases 5 (2018) 137–149]

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Genes & Diseases 2023年第2期10卷 630-631页

作者： Xinyi Yu Liqun Chen Ke Wu Shujuan Yan Ruyi Zhang Chen Zhao Zongyue Zeng Yi Shu Shifeng Huang Jiayan Lei Xiaojuan Ji Chengfu Yuan Linghuan Zhang Yixiao Feng Wei Liu Bo Huang Bo Zhang Wenping Luo Xi Wang Bo Liu Rex C. Haydon Hue H. Luu Tong-Chuan He Hua Gan Departments of Nephrology Orthopaedic SurgeryCardiologyGeneral SurgeryPlastic Surgeryand Clinical Laboratory MedicineThe First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China molecular Oncology laboratory Department of Orthopaedic Surgery and Rehabilitation MedicineThe University of Chicago Medical CenterChicagoIL 60637USA Ministry of Education Key laboratory of Diagnostic Medicine and School of laboratory Medicine and the Affiliated Hospitals of Chongqing Medical UniversityChongqing 400016China Department of Biochemistry and molecular Biology China Three Gorges University School of MedicineYichangHubei 443002China Department of Clinical laboratory Medicine The Second Affiliated Hospital of Nanchang UniversityNanchangJiangxi 330031China Key laboratory of Orthopaedic Surgery of Gansu Province and the Department of Orthopaedic Surgery The Second Hospital of Lanzhou UniversityLanzhouGansu 730030China

The authors regret having an image assembly error in Figure 3A,in which the image for "imPOD Synaptopodin DAPl stain"groupwas erroneouslyduplicatedwiththe imagefrom the"tsPOD-33C SynaptopodinDAPIstain"*** confirm the error is restricted to the image assembly,and the underlying data and conclusions are correct and *** authors would like to apologize for any inconvenience caused.

关键词： Cor cytes glomerular

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