| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
Magnetotactic bacteria have unique c-type cytochromes for biomineralizing magnetite crystals. We characterized and analyzed one of the magnetotactic bacteria specific cytochrome c MamP using Magnetospirillum magneticum AMB-1. MamP was localized in cytoplasmic membrane, and was specifically expressed during the exponential growth phase. According to MamP overproduction experiments, we found that MamP is crucial to the normal growth of magnetite crystals during the exponential growth phase. Moreover, we showed that MamP can be involved in electron transfer to denitrification pathway, and proposed the new model for the electron transfer pathway during the biomineralization of magnetite.
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