| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Research Abstract |
Many plant pathogens have a quorum-sensing system, a cell-cell communication mechanism that depends on cell population density. Several kinds of N-acyl homoserine lactone (AHL) have been identified as signal compounds involved in this mechanism. In this study, we attempted to identify the unknown factors, which were regulated by AHL-mediated quorum sensing in the plant pathogen Pantoea ananatis SK-1. As the results, it was revealed that the production of extracellular polysaccharide (EPS) and cell aggregation were regulated by AHL-mediated quorum sensing in P. ananatis SK-1.
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