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Transcriptome profiling of indole-3-butyric acid-induced adventitious root formation in softwood cuttings of walnut

Horticultural Plant Journal 2024年第6期10卷 1336-1348页

作者： Xiaobo Song Ruimin Huang Hao Liu junpei zhang Yingying Chang Dong Pei State Key Laboratory of Tree Genetics and Breeding Key Laboratory of Tree Breeding and Cultivation of the State Forestry and Grassland AdministrationResearch Institute of ForestryChinese Academy of ForestryBeijing 100091China

Inducing adventitious root(AR)formation in mature walnut species(Juglans L.)is ***,the AR formation of mature trees can be improved by *** rejuvenated cuttings,exogenous indole-3-butyric acid(IBA)is essential for AR formation,and the underlying mechanism is still not well ***,we utilized transcriptome sequencing to investigate the mechanism of IBA-induced AR *** results revealed that,in comparison to the control group,IBA treatment(9 mmol·L^(-1))significantly increased the endogenous indole-3-acetic acid(IAA)content,leading to an enhanced rooting *** performed RNA sequencing to identify differentially expressed genes(DEGs)between the IBA-treated and control(CK)groups at 1,2,3,and 5 days after cutting(DAC).The results showed that,compared to the control cuttings,there were 1539,889,785,and 984 up-regulated genes and 2791,2936,3017,and 1752 down-regulated genes,at 1,2,3,and 5 DAC,*** of RNA-seq data revealed that G-type ATP-binding cassette 36/37(ABCG36/37)and ATP-binding cassette subfamily D 1(ABCD1),associated with IBA transport,were down-regulated in the rejuvenation *** contrast,PIN-FORMED(PIN)and PINOID(PID),associated with auxin efflux,were *** identified 49 auxin/indole-3-acetic acid(AUX/IAA)-encoding genes,including IAA1,IAA3,IAA5,IAA6,IAA8,IAA11,IAA12,IAA19,and IAA20,which were up-regulated at 1-5 DAC in the rejuvenated *** study highlights that the overexpression of JrWOX5/11 in poplar significantly enhance AR growth,as evidenced by increased root length,surface area,volume,and ***,the co-expression network analysis involving JrWOX11 and JrWOX5 in walnut cuttings elucidates complex genetic interactions,underscoring their pivotal role in the formation of *** data supported the following molecular mechanism of IBA-induced adventitious root ***,IBA is converted to free IAA in ***,the highly concentrated IAA in th

关键词： Walnut Adventitious root Rejuvenation Asexual reproduction WOX transcription factor

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JrATHB-12 mediates JrMYB113 and JrMYB27 to control the anthocyanin levels in different types of red walnut

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Journal of Integrative Agriculture 2024年第8期23卷 2649-2661页

作者： Haifeng Xu Guifang Wang Xinying Ji Kun Xiang Tao Wang Meiyong zhang Guangning Shen Rui zhang junpei zhang Xin Chen Key Laboratory of Huanghuai Protected Horticulture Engineering/National Germplasm Repository of Walnut and Chestnut Shandong Institute of PomologyTai’an 271000China Research Institute of Forestry Chinese Academy of ForestryBeijing 100091China College of Horticulture and Forestry Tarim UniversityAlaer 843300China

Red walnut has broad market prospects because it is richer in anthocyanins than ordinary ***,the mechanism driving anthocyanin biosynthesis in red walnut is still *** studied two types of red walnut,called red walnut 1(R1),with a red pericarp and seed coat,and red walnut 2(R2),with a red seed coat only.R1 mostly contained cyanidin-3-O-galactoside,while R2 contained a various amounts of cyanidin-3-Ogalactoside,cyanidin-3-O-arabinoside,and *** LDOX-2(LOC109007163)and LDOX-3(LOC109010746)genes,which encode leucoanthocyanidin dioxygenase/anthocyanidin synthase(LDOX/ANS),were preliminarily indicated as the crucial genes for anthocyanin biosynthesis in R1 and R2,*** MYB differential genes analysis showed that MYB27 and MYB113 are specifically expressed in the red parts of R1 and R2,respectively,and they are regarded as candidate regulatory *** expression in Arabidopsis and transient injection in walnut showed that both MYB27 and MYB113 were located in the nucleus and promoted anthocyanin accumulation,while MYB27 promoted the expression of LDOX-2,and MYB113 promoted the expression of LDOX-3and *** one-hybrid and electrophoretic mobility shift assays showed that MYB27 could only bind to the LDOX-2 promoter,while MYB113 could bind to the promoters of both LDOX-3 and *** addition,we also identified an HD-Zip transcription factor,ATHB-12,which is specifically expressed in the *** silencing the expression of ATHB-12,the R2 pericarp turned red,and MYB113 expression *** experiments showed that ATHB-12 could specifically interact with MYB113 and bind to its *** suggests that MYB27controls R1 coloration by regulating LDOX-2,while MYB113 controls R2 coloration by regulating LDOX-3 and UAGT-3,but ATHB-12 can specifically bind to and inhibit the MYB113 of the R2 pericarp so that it becomes *** study reveals the anthocyanin biosynthetic mechanisms in two differ

关键词： JrATHB-12 JrMYB113 JrMYB27 red walnut anthocyanin biosynthesis

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Optical spectroscopy study of Ca_3(Ru_(0.91)Mn_(0.09))_2O_7 single crystal in high magnetic fields

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Science Bulletin 2019年第1期64卷 20-25页

作者： Xueli Xu Jin Peng junpei zhang Zongwei Ma Cheng Chen Junbo Han Bingjie Liu Lingfang Lin Xiaoshan Wu Zhiqiang Mao Zhe Qu Zhigao Sheng Anhui Key Laboratory of Condensed Matter Physics at Extreme Conditions High Magnetic Field Laboratory Chinese Academy of Sciences University of Science and Technology of China Collaborative Innovation Center of Advanced Microstructures Nanjing University School of Physics Southeast University Wuhan National High Magnetic Field Center Huazhong University of Science and Technology School of Physics Nanjing University Department of Physics and Engineering Physics Tulane University

The magneto-optical spectrum, with magnetic fields up to 42 T, of double layered ruthenates Ca_3(Ru_(0.91)Mn_(0.09))_2O_7(CRMO) single crystal is studied. Both the temperature and magnetic field induced insulator-to-metal transitions(IMTs) are observed via magneto-optical properties of the crystal. The critical magnetic field(H//c) of IMT for CRMO is found to be as large as 35 T at 5 K. The fine structure of optical spectra identified the antiferromagnetic/ferro-orbital-ordering configurations of Ru 4d orbitals at low temperatures. Meanwhile, the configuration of orbital polarization of such double-layer CRMO single crystal is discussed. These results suggest that the orbital degree of freedom plays an important role in the field induced IMT of multi-orbital system.

关键词： Ruthenates High magnetic field Optical spectroscopy Insulator to metal transition

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In-situ optical pumping for polarizing 3He neutron spin filters at the China Spallation Neutron Source

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Science China(Physics,Mechanics & Astronomy) 2022年第4期65卷 49-54页

作者： junpei zhang Chuyi Huang Zecong Qin Fan Ye Syed Mohd Amir Ahmed Salman Yuchen Dong Long Tian Zachary Norris Buck Wolfgang Kreuzpaintner Matthew Musgrave Xin Qi Tianhao Wang Xin Tong Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Spallation Neutron Source Science Center Dongguan 523803China University of Chinese Academy of Sciences Beijing 100049China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China National Institute of Standards and Technology Boulder 80305USA

In this paper,we present the performance of a recently developed in-situ spin-exchange optically pumped^(3)He-neutron spin filter system at the China Spallation Neutron Source(CSNS).The system achieved a^(3)He polarization of over 74%at the beamline *** of neutron transmission experiment results reveals a neutron polarization of>90%and an average transmission of 27%for 2.2Åneutrons,which were maintained for a duration of 120 h of beam *** the best of our knowledge,this is the first in-situ hyperpolarized^(3)He system incorporated on a neutron beamline in *** technology is expected to provide stable,wide-angle,and highly polarized neutrons at the CSNS for materials research and fundamental neutron physics.

关键词： spin-exchange optical pumping ^(3)He polarization neutron spin filter neutron polarization

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Development of a ~3He Gas Filling Station at the China Spallation Neutron Source

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Chinese Physics Letters 2021年第5期38卷 16-20页

作者： Zecong Qin Chuyi Huang ZNBuck WKreuzpaintner SMAmir ASalman Fan Ye junpei zhang Chenyang Jiang Tianhao Wang Xin Tong Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China Oak Ridge National Laboratory Oak RidgeTN 37930USA

At the China Spallation Neutron Source(CSNS), we have developed a custom gas-filling station, a glassblowing workshop, and a spin-exchange optical pumping(SEOP) system for producing high-quality ^(3)He-based neutron spin filter(NSF) cells. The gas-filling station is capable of routinely filling ^(3)He cells made from GE180 glass of various dimensions, to be used as neutron polarizers and analyzers on beamlines at the CSNS. Performance tests on cells fabricated at our gas-filling station are conducted via neutron transmission and nuclear-magneticresonance measurements, revealing nominal filling pressures, and a saturated ~3He polarization in the region of 80%, with a lifetime of approximately 240 hours. These results demonstrate our ability to produce competitive NSF cells to meet the ever-increasing research needs of the polarized neutron research community.

关键词： NSF Development of a Gas Filling Station at the China Spallation Neutron Source

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Mechanisms of Myocardial Stunning in Stress-Induced Cardiomyopathy

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Cardiovascular Innovations and Applications 2022年第3期7卷 1-7页

作者： Quanwei Pei Nadine Mbabazi Lina Zou junpei zhang Hongpeng Yin Bin Li Jiaxin Wang Weifa Wang Pengqi Lin Junjie Yang Dechun Yin Department of Cardiology the First Affiliated Hospital of Harbin Medical UniversityHarbinChina Department of Cardiology King Faisal HospitalKigaliRwanda

Stress-induced cardiomyopathy,in contrast to acute myocardial infarction,is a type of acute heart failure characterized by reversible left ventricular *** imaging primarily reveals left ventricle myocardial stunning,81.7%of which is apical *** or psychological stress usually precedes the onset of stress-induced cardiomyopathy,which is increasingly being recognized as a unique neurogenic myocardial stunning *** distinguish between acute myocardial infarction and acute viral or auto-immune myocarditis,this review summarizes specific mechanisms of myocardial stunning in stress-induced cardiomyopathy,such as calcium disorders,metabolic alterations,anatomical and histological variations in different parts of the left ventricle,and microvascular dysfunction.

关键词： Stress-induced cardiomyopathy Myocardial stunning Calcium disorders Metabolic alterations Coronary microvascular dysfunction

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Development of a Spin-Exchange Optical Pumping-Based Polarized ^(3)He System at the China Spallation Neutron Source (CSNS)

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Chinese Physics Letters 2021年第9期38卷 38-42页

作者： Chuyi Huang junpei zhang Fan Ye Zecong Qin Syed Mohd Amir Zachary Norris Buck Ahmed Salman Wolfgang Kreuzpaintner Xin Qi Tianhao Wang Xin Tong Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Spallation Neutron Source Science Center Dongguan 523803China

Polarized 3He neutron spin filters(NSFs)can be used as a vital tool for neutron polarization production and *** China Spallation Neutron Source(CSNS),as one of the major neutron facilities in China,has committed resources to the development of a polarized ^(3)He NSF program to support its growing polarized neutron research.A spin-exchange optical pumping(SEOP)-based polarized ^(3)He system and other necessary hardware for NSF transport has been recently *** performance of the system is benchmarked using an in-house developed cell named“Trident”.Neutron beam measurements yield a ^(3)He polarization of 77%with over 200 h of on-beam relaxation *** this newly developed SEOP system with the recently reported cell fabrication station,CSNS is now capable of the fully self-sustained production of ^(3)He NSFs that shall support its future neutron polarization research.

关键词： polarized system relaxation

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Development of Time-of-Flight Polarized Neutron Imaging at the China Spallation Neutron Source

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Chinese Physics Letters 2022年第6期39卷 47-51页

作者： Ahmed Salman Jianrong Zhou Jianqing Yang junpei zhang Chuyi Huang Fan Ye Zecong Qin Xingfen Jiang Syed Mohd Amir Wolfgang Kreuzpaintner Zhijia Sun Tianhao Wang Xin Tong Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Spallation Neutron Source Science Center Dongguan 523803China University of Chinese Academy of Sciences Beijing 100049China Xi’an Research Institute of Hi-Tech Xi’an 710025China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China

A time-of-flight polarized neutron imaging setup was realized by integrating an in situ pumped polarized ^(3)He spin filter and energy dispersive neutron camera on the neutron technique development beamline(BL-20)of the China Spallation Neutron Source(CSNS).Test experiments were performed with a solenoid with aluminum wire as a *** demonstrated that polarized radiography with a field of view in diameter 2.0 cm at different wavelengths can be *** wavelength-dependent polarization was used to distinguish the neutron polarization behavior for different positions inside and outside the *** results of this work show the possibility of applying the technique at CSNS and marks a milestone for future polarized neutron imaging developments.

关键词： polarized integrating applying

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The Role of Sleep Deprivation in Arrhythmias

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Cardiovascular Innovations and Applications 2022年第3期7卷 29-35页

作者： Wenlong Wang Hongpeng Yin Ge Sun junpei zhang Jingmei Sun Nadine Mbabazi Lina Zou Bin Li Pengqi Lin Quanwei Pei Xin Wang Penghe Wang Xuanrui Ji Xiufen Qu Dechun Yin Department of Cardiology the First Affiliated Hospital of Harbin Medical UniversityHarbinChina Department of Cardiology King Faisal HospitalKigaliRwanda

Sleep is essential to the normal psychological and physiological activities of the human *** evidence indicates that sleep deprivation is associated with the occurrence,development,and poor treatment effects of various *** deprivation affects not only the peripheral nervous system but also the central nervous system,which regulates the occurrence of *** addition,sleep deprivation is associated with apoptotic pathways,mitochondrial energy metabolism disorders,and immune system *** studies increasingly suggest that pathological sleep patterns are associated with various atrial and ventricular arrhythmias,further research is needed to identify specific mechanisms and recommend therapeutic *** review summarizes the findings of sleep deprivation in animal experiments and clinical studies,current challenges,and future research directions in the field of arrhythmias.

关键词： Sleep deprivation Heart-brain interaction Arrhythmias

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In-situ optical pumping for polarizing;He neutron spin filters at the China Spallation Neutron Source

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Science China(Physics,Mechanics & Astronomy) 2022年

作者： junpei zhang Chuyi Huang Zecong Qin Fan Ye Syed Mohd Amir Ahmed Salman Yuchen Dong Long Tian Zachary Norris Buck Wolfgang Kreuzpaintner Matthew Musgrave Xin Qi Tianhao Wang Xin Tong Institute of High Energy Physics Chinese Academy of Sciences University of Chinese Academy of Sciences College of Materials Science and Engineering Chongqing University National Institute of Standards and Technology

In this paper, we present the performance of a recently developed in-situ spin-exchange optically pumped;He-neutron spin filter system at the China Spallation Neutron Source（CSNS）. The system achieved a;He polarization of over 74% at the beamline BL-20. Analysis of neutron transmission experiment results reveals a neutron polarization of > 90% and an average transmission of 27% for 2.2 ? neutrons, which were maintained for a duration of 120 h of beam time. To the best of our knowledge, this is the first in-situ hyperpolarized;He system incorporated on a neutron beamline in China. This technology is expected to provide stable, wide-angle, and highly polarized neutrons at the CSNS for materials research and fundamental neutron physics.

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