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Proteomics Analysis of Rice Proteins Up-regulated in Response to Bacterial Leaf Streak Disease
Dongxiao Li,Liangjiang Wang,Shaolei Teng,Guoguang Zhang,Lijia Guo,Qian Mao,Wei Wang,Min Li,Liang Chen 한국식물학회 2012 Journal of Plant Biology Vol.55 No.4
Bacterial leaf streak (BLS), caused by the pathogen Xanthomonas campestris pv. Oryzicola, is a major rice disease in tropical and subtropical regions of Asia. Rice proteins responsive to BLS are still not well characterized. We took a proteomics approach to identify the proteins that are up-regulated in rice leaves after infection. Approximately 1,500 protein spots were detected on each 2-D gel after silver-staining; those with increased protein levels were selected for MALDI-TOF-MS analysis. We identified 32 up-regulated proteins that might be involved in disease resistance signal transduction, pathogenesis, and regulation of cell metabolism. By using publicly available microarray data, we determined the mRNA transcripts of 23 proteins expressed in the leaves. Seven genes were analyzed by northern blots, which demonstrated that transcript levels were increased after bacterial infection. Our findings help elucidate the molecular mechanisms underlying BLS and provide a solid foundation for further research on the functions of relevant genes.
( Hongwei Li ),( Dongxiao Liu ),( Khalid Alharbi ),( Shenmin Zhang ),( Xiaodong Lin ) 한국인터넷정보학회 2015 KSII Transactions on Internet and Information Syst Vol.9 No.4
In smart grid, electricity consumption data may be handed over to a third party for various purposes. While government regulations and industry compliance prevent utility companies from improper or illegal sharing of their customers` electricity consumption data, there are some scenarios where it can be very useful. For example, it allows the consumers` data to be shared among various energy resources so the energy resources are able to analyze the data and adjust their operation to the actual power demand. However, it is crucial to protect sensitive electricity consumption data during the sharing process. In this paper, we propose a fine-grained access control scheme (FAC) with efficient attribute revocation and policy updating in smart grid. Specifically, by introducing the concept of Third-party Auditor (TPA), the proposed FAC achieves efficient attribute revocation. Also, we design an efficient policy updating algorithm by outsourcing the computational task to a cloud server. Moreover, we give security analysis and conduct experiments to demonstrate that the FAC is both secure and efficient compared with existing ABE-based approaches.
Zian He,Lei Xu,Dongxiao Li,Liying Liu,Yanwu Zhang,Yigang Li 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.5I
An Er3+/Yb3+ co-doped waveguide amplifier and a lossless power splitter were fabricated by two-step ion exchange on commercial Schott IOG-1 glasses. A two-dimensional ion exchange model was set up, and numerical simulations using a finite-element-method agreed well with experimental results. A total net gain of 6 dB was achieved in a 2.5-cm-long waveguide amplifier, and a lossless power splitter was successfully realized as well.kci