| Budget Amount *help |
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2010: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2009: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2008: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
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| Research Abstract |
Microbial production system for lactate (LA) polymers with high performances has been established. This new microbial factory can be driven by renewable biomass resources. A break-through of this system was a discovery of "LA-Polymerizing Enzyme (LPE)". LPE was created through the study on the engineering of microbial polymer PHA synthase. LA-based polymer was synthesized as an one-pot manner in Escherichia coli by introduction of the LPE gene from glucose. Also, LA fraction in the polymer has been enriched up to 47% from 6% by combination of metabolic and enzyme engineering. Furthermore, LA-based polymers exhibited distinguishable properties from the counterpart homopolymers, PLA and PHB.
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