| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
Flexivirga alba gen. nov., sp. nov., an actinobacterial taxon in the family Dermacoccaceae aerobically reduces hexavalent chromium. Strain ST13 reduce Cr(VI) aerobically. XANES analysis shows the presence of Cr(OH)_3 in precipitate, indicating the bacterial reduction of Cr(VI) to trivalent chromium(Cr(III)). The bacterial Cr(VI) reduction was more efficient in minimal medium supplemented with molasses than with glucose. Strain ST13 can attach on the surface of porous ceramics. The composition of ceramics affects the efficiency of bacterial attachment. Our data provide a basic information for the bioremediation of Cr(VI) using Cr(VI)-reducing strain ST13.
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