DEVELOPMENT OF EFFECTIVE PURIFICATION METHOD FOR WATER ENVIRONMENT POLLUTED BY CHEMICAL SUBSTRATES HIGHLY APPLYING RHIZOSPHERE EFFECT OF AQUATIC PLANTS
Project/Area Number |
24681011
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Research Category |
Grant-in-Aid for Young Scientists (A)
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Allocation Type | Partial Multi-year Fund |
Research Field |
Environmental technology/Environmental materials
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Research Institution | Kitasato University |
Principal Investigator |
SEI KAZUNARI 北里大学, 医療衛生学部, 教授 (80324177)
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Project Period (FY) |
2012-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥27,170,000 (Direct Cost: ¥20,900,000、Indirect Cost: ¥6,270,000)
Fiscal Year 2014: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2013: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2012: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
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Keywords | 環境保全技術 / 根圏浄化法 / 水生植物 / 根圏微生物 / 発現解析 / 微量汚染化学物質 |
Outline of Final Research Achievements |
Gene expression analyses of Sphingobium fuliginis OMI, isolated from the rhizosphere of Spirodela polyrrhiza (giant duckweed), were performed using DNA microarray to clarify the mechanism of specific enrichment of this microbe in the rhizosphere of duckweeds. Although most of the strongly expressed genes of strain OMI were related to metabolisms of substrates and transcriptional regulators, the genes related to synthesize chemotaxis protein and type IV pilus were unique during the symbiotic cultivation with duckweeds. The type IV pilus is reported to act as an anchor to attach to a surface of a certain host. Thus, one of the possible mechanisms for the selective enrichment of strain OMI by duckweeds is the induction of genes to synthesize chemotaxis protein, which allows strain OMI to move to the rhizosphere of duckweeds, and the induction of genes to synthesize type IV pilus, which allows strain OMI to attach onto the root surface of the duckweeds.
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Report
(4 results)
Research Products
(10 results)
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[Presentation] Trials for multifunctional aquatic vegetation bioprocess by utilizing symbiotic surface microorganisms2014
Author(s)
Masaaki Morikawa, Masayuki Sugawara, Kyoko Miwa, Ayaka Makino, Hideyuki Tamaki, Yoichi Kamagata, Tadashi Toyama, Yasuhiro Tanaka, Kazuhiro Mori, Daisuke Inoue, Kazunari Sei, Masashi Kuroda, Michihiko Ike
Organizer
XVI International Congress on Molecular Plant-Microbe Interactions
Place of Presentation
Rhodos Palace Hotel (Greece, Rhodes Island)
Year and Date
2014-07-06 – 2014-07-10
Related Report
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[Presentation] Development of multifunctional vegetation bioprocess by utilizing symbiotic microorganisms in the rhizosphere2013
Author(s)
Morikawa M., Sugawara M., Miwa K., Makino A., Tamaki H., Kamagata Y., Toyama T., Tanaka Y., Mori K., Inoue D., Sei K., Kuroda M., Ike M.
Organizer
The Second International Conference on Duckweed Research and Applications (Duckweed 2013)
Place of Presentation
Rutgers University (New Jersey, USA)
Related Report
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