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RISS 인기검색어
- 검색키워드
- 저자 : Jiewei Li (검색결과 5 건)
- 무료
- 기관 내 무료
- 유료
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Transcriptome Profile Analysis of Cadmium Tolerance in Chinese Flowering Cabbage
Jiewei Wang,Huiyuan Li,Dandan Zou,Jinfeng Zhao,Lianxue Fan,Tao Wu 한국원예학회 2017 Horticulture, Environment, and Biotechnology Vol.58 No.1
Chinese flowering cabbage (Brassica parachinensis L.) is an important leafy vegetable crop that can accumulatehigh levels of cadmium (Cd) and can thus be easily contaminated by this heavy metal. In this study, we performedgenome-wide transcriptional profiling of Cd tolerance in Cd-tolerant cultivar ‘LB70’ using Solexa sequencing to identifygenes and pathways involved in Cd tolerance in Chinese flowering cabbage. Profiling analysis revealed numerous changesin gene expression in response to Cd treatment, including 1669 genes that were downregulated and 1404 genes that wereupregulated. Gene ontology analysis showed that these differentially expressed genes were mainly involved in binding,catalytic processes, metabolism, cellular processes, single-organism processes, biological regulation, localization, andstimulus responses. Several known important Cd tolerance-related genes, such as HMA3, HMA4, and Nramp1, werealso identified. Pathway analysis suggested that two potential novel pathways, namely, the viral carcinogenesis andParkinson’s disease pathways, might be involved in Cd tolerance in Chinese flowering cabbage. The genes andpathways identified in this study provide an important basis for future studies on the molecular mechanism of Cdtolerance in Chinese flowering cabbage.
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An in vitro Actinidia Bioassay to Evaluate the Resistance to Pseudomonas syringae pv. actinidiae
Wang, Faming,Li, Jiewei,Ye, Kaiyu,Liu, Pingping,Gong, Hongjuan,Jiang, Qiaosheng,Qi, Beibei,Mo, Quanhui The Korean Society of Plant Pathology 2019 Plant Pathology Journal Vol.35 No.4
Pseudomonas syringae pv. actinidiae (Psa) is by far the most important pathogen of kiwifruit. Sustainable expansion of the kiwifruit industry requires the use of Psa-tolerant or resistant genotypes for the breeding of tolerant cultivars. However, the resistance of most existing kiwifruit cultivars and wild genotypes is poorly understood, and suitable evaluation methods of Psa resistance in Actinidia have not been established. A unique in vitro method to evaluate Psa resistance has been developed with 18 selected Actinidia genotypes. The assay involved debarking and measuring the lesions of cane pieces inoculated with the bacterium in combination with the observation of symptoms such as callus formation, sprouting of buds, and the extent to which Psa invaded xylem. Relative Psa resistance or tolerance was divided into four categories. The division results were consistent with field observations. This is the first report of an in vitro assay capable of large-scale screening of Psa-resistance in Actinidia germplasm with high accuracy and reproducibility. The assay would considerably facilitate the breeding of Psa-resistant cultivars and provide a valuable reference and inspiration for the resistance evaluation of other plants to different pathogens.
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An in vitro Actinidia Bioassay to Evaluate the Resistance to Pseudomonas syringae pv. actinidiae
Faming Wang,Jiewei Li,Kaiyu Ye,Pingping Liu,Hongjuan Gong,Qiaosheng Jiang,Beibei Qi,Quanhui Mo 한국식물병리학회 2019 Plant Pathology Journal Vol.35 No.4
Pseudomonas syringae pv. actinidiae (Psa) is by far the most important pathogen of kiwifruit. Sustainable expansion of the kiwifruit industry requires the use of Psa-tolerant or resistant genotypes for the breeding of tolerant cultivars. However, the resistance of most existing kiwifruit cultivars and wild genotypes is poorly understood, and suitable evaluation methods of Psa resistance in Actinidia have not been established. A unique in vitro method to evaluate Psa resistance has been developed with 18 selected Actinidia genotypes. The assay involved debarking and measuring the lesions of cane pieces inoculated with the bacterium in combination with the observation of symptoms such as callus formation, sprouting of buds, and the extent to which Psa invaded xylem. Relative Psa resistance or tolerance was divided into four categories. The division results were consistent with field observations. This is the first report of an in vitro assay capable of large-scale screening of Psa-resistance in Actinidia germplasm with high accuracy and reproducibility. The assay would considerably facilitate the breeding of Psa-resistant cultivars and provide a valuable reference and inspiration for the resistance evaluation of other plants to different pathogens.
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The Compact Pulsed Hadron Source: A Design Perspective
Jie Wei,Huaibi Chen,Cheng Cheng,Qiang Du,Zhe Feng,Xialin Guan,Xiaoxue Han,Tuchen Huang,Renkai Li,Chun K. Loong,Beibei Shao,Chuanxiang Tang,Qingzi Xing,Yigang Yang,Hao Zha,Huayi Zhang,Shuxin Zheng,Bin 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.61
During the past decades, large-scale national neutron sources have been developed in Asia, Europe,and North America. Complementing such efforts, compact hadron beam complexes and neutron sources intended to serve primarily universities and industrial institutes have been proposed,and some have recently been established. Responding to the demand in China for pulsed neutron/proton-beam platforms that are dedicated to fundamental and applied research for users in multiple disciplines from materials characterization to hadron therapy and radiography to accelerator-driven sub-critical reactor systems (ADS) for nuclear waste transmutation, we have initiated the construction of a compact, yet expandable, accelerator complex-the Compact Pulsed Hadron Source (CPHS). It consists of an accelerator front-end (a high-intensity ion source, a 3-MeV radio-frequency quadrupole linac (RFQ), and a 13-MeV drift-tube linac (DTL)), a neutron target station (a beryllium target with solid methane and room-temperature water moderators/reflector),and experimental stations for neutron imaging/radiography, small-angle scattering, and proton irradiation. In the future, the CPHS may also serve as an injector to a ring for proton therapy and radiography or as the front end to an ADS test facility. In this paper, we describe the design of the CPHS technical systems and its intended operation.
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Component Prototyping for the China Spallation Neutron Source Project
Jie Wei,Yanwei Chen,Yunlong Chi,Changdong Deng,Haiyi Dong,Shinian Fu,Wei He,Kaixi Huang,Wen Kang,Jian Li,Huafu Ouyang,Huamin Qu,Caitu Shi,Hong Sun,Jingyu Tang,Juzhou Tao,Sheng Wang,Zhongxiong Xu,Xueju 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.5
The China Spallation Neutron Source (CSNS) complex consists of an H- linear accelerator, a rapid cycling synchrotron accelerating the beam to 1.6 GeV, a solid tungsten target station and instruments for spallation neutron applications. The facility operates at a 25-Hz repetition rate with an initial design beam power of 120 kW and is upgradeable to 500 kW. The primary challenge is to build a robust and reliable user-friendly facility with upgrade potential at a fraction of the \world standard" cost. Success of the project relies on the results of prototyping research & development (R&D) of key technical systems and components. This paper discusses the prototyping experiences of the past two and a half years. The China Spallation Neutron Source (CSNS) complex consists of an H- linear accelerator, a rapid cycling synchrotron accelerating the beam to 1.6 GeV, a solid tungsten target station and instruments for spallation neutron applications. The facility operates at a 25-Hz repetition rate with an initial design beam power of 120 kW and is upgradeable to 500 kW. The primary challenge is to build a robust and reliable user-friendly facility with upgrade potential at a fraction of the \world standard" cost. Success of the project relies on the results of prototyping research & development (R&D) of key technical systems and components. This paper discusses the prototyping experiences of the past two and a half years.
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