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BEACH-Domain Proteins Act Together in a Cascade to Mediate Vacuolar Protein Trafficking and Disease Resistance in Arabidopsis

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Molecular Plant 2015年第3期8卷 389-398页

作者： Ooi-kock Teh Noriyuki Hatsugai kentaro Tamura kentaro fuji Ryo Tabata Katsushi Yamaguch Shuji Shingenobu Masashi Yamada Mitsuyasu Hasebe Shinichiro Sawa Tomoo Shimada Ikuko Hara-Nishimura Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan Research Centre for Cooperative Projects Hokkaido University Kita-ku Sapporo 060-8638 Japan Graduate School of Science and Technology Kumamoto University Kumamoto 860-8555 Japan Functional Genomics Facility National Institute for Basic Biology Okazaki 444-8585 Japan Department of Biology and IGSP Center for Systems Biology Duke University Durham NC 27708 USA Division of Evolutionary Biology National Institute for Basic Biology Okazaki 444-8585 Japan School of Life Science The Graduate University for Advanced Studies Okazaki 444-8585 Japan Present address: Department of Plant Biology and Forest Genetics Uppsala BioCenter Swedish University of Agricultural Sciences (SLU) and Linnean Centre ofPlant Biology Uppsala SE-75007 Sweden present address: Microbial and Plant Genomics Institute University of Minnesota St Paul MN 55108 USA Present address: RIKEN Innovation Center RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan

Membrane trafficking to the protein storage vacuole （PSV） is a specialized process in seed plants. However, this trafficking mechanism to PSV is poorly understood. Here, we show that three types of Beige and Chediak-Higashi （BEACH）-domain proteins contribute to both vacuolar protein transport and effector- triggered immunity （ETI）. We screened a green fluorescent seed （GFS） library of Arabidopsis mutants with defects in vesicle trafficking and isolated two allelic mutants gfs3 and gfs12 with a defect in seed pro- tein transport to PSV. The gene responsible for the mutant phenotype was found to encode a putative pro- tein belonging to group D of BEACH-domain proteins, which possess kinase domains. Disruption of other BEACH-encoding loci in the gfs12 mutant showed that BEACH homologs acted in a cascading manner for PSV trafficking. The epistatic genetic interactions observed among BEACH homologs were also found in the ETI responses of the gfs12 and gfs12 bchb-1 mutants, which showed elevated avirulent bacterial growth. The GFS12 kinase domain interacted specifically with the pleckstrin homology domain of BchCl. These results suggest that a cascade of multiple BEACH-domain proteins contributes to vacuolar protein transport and plant defense.

关键词： BEACH-domain protein Arabidopsis thaliana vacuolar protein transport protein storage vacuoles,plant immunity

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Piezoelectric Power Harvesting via Acoustic-Pressure Driven by Low-Speed Wind-Force with Resonating-Tube and Wind-Collector

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Journal of Power and Energy Engineering 2018年第11期6卷 53-64页

作者： Seiichi Deguchi Hiroya Taguchi Hajime Arimura Noriyuki Kobayashi Norifumi Isu kentaro Takagi Tsuyoshi Inoue Takashi Nozoe Seigo Saito Takahiko Sano Department of Chemical Process Engineering Nagoya University Nagoya Japan Analysis & Assessment Center LIXIL Corporation Noda Japan Department of Mechanical Systems Engineering Nagoya University Nagoya Japan fuji Ceramics Corporation Fujinomiya Japan

Wind-driven power harvestings attract attentions since their target wind speeds are quite low less than the so-called cut-in wind speed, which is generally recognized as around 3 m/s. The extant power harvestings driven by wind-induced-air-column-resonations (i.e. acoustic-pressures) are still lacking simplicity, scale flexibility and solid strategies for practical applications. Therefore, the piezoelectric power harvesters via acoustic-pressures driven by low-speedwind-forces with resonating-tubes and wind-collectors were invented so as to complement all the lacks. The wind-collector as well as the resonating-tube contributed to upraise the power harvesting density. The champion power harvesting density of 19.5 nW/dm2 could be procured at 2.3 m/s of an artificial wind and the optimal resonating-tube and wind-collector. Power harvesting proofs from the natural wind with low mean speeds down to about 0.6 m/s were successfully obtained. The cut-in wind speed of the prototype piezoelectric power harvester was found to be quite low as about 0.4 m/s, signifying its ubiquity. Finally, a multi-bundle pendant-type piezoelectric power harvester was specifically presented together with professing the solid and multiple strategies for practical applications.

关键词： Piezoelectric Power Generation Low Wind Speed Resonating Tube Wind Collector Power Harvesting Practical Demonstration

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Piezoelectric Power Harvesting Process via Phase Changes of Low-Boiling-Point Medium Together with Water for Recovering Low-Temperature Heats

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Journal of Power and Energy Engineering 2018年第11期6卷 65-77页

作者： Seiichi Deguchi Akinori Miyajima Hajime Arimura Haruna Banno Noriyuki Kobayashi Norifumi Isu kentaro Takagi Tsuyoshi Inoue Takashi Nozoe Seigo Saito Takahiko Sano Department of Chemical Process Engineering Nagoya University Nagoya Japan Analysis & Assessment Center LIXIL Corporation Noda Japan Department of Mechanical Systems Engineering Nagoya University Nagoya Japan fuji Ceramics Corporation Fujinomiya Japan

Low-temperature thermal energy conversions down to exergy zero to electric power must contribute energy sustainability. That is to say, reinforcements of power harvesting technologies from extremely low temperatures less than 373 K might be at least one of minimum roles for the current generations. Then, piezoelectric power harvesting process for recovering low-temperature heats was invented by using a unique biphasic operating medium of an underlying water-insoluble/low-boiling-point medium (i.e. NOVEC manufactured by 3M Japan Ltd.) in small quantity and upper-layered water in large quantity. The higher piezoelectric power harvesting densities were naturally revealed with an increase in heating temperatures. Excessive cooling of the operating medium deteriorated the power harvesting efficiency. The denser operating medium was surpassingly helpful to the higher piezoelectric power harvesting density. Concretely, only about 5% density increase of main operating medium (i.e. water with dissolving alum at 0.10 mol/dm3) came to the champion piezoelectric power harvesting density of 92.6 pW/dm2 in this study, which was about 1.4 times compared to that with the original biphasic medium of pure water together with a small quantity of NOVEC.

关键词： Piezoelectric Power Generation Low-Temperature Heat Recovery Biphasic Medium Phase Change Multiphase Flow Power Harvesting

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