| Project/Area Number |
15K14590
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Biodiversity/Systematics
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| Research Institution | Tokyo University of Agriculture and Technology |
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Principal Investigator |
Katayama Yoko 東京農工大学, (連合)農学研究科(研究院), 教授 (90165415)
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| Research Collaborator |
XU Haibo
MASAKI Yoshihito
TAKAHARA Yu
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 硫黄酸化微生物 / 真菌類 / 化学合成的増殖 / 単体硫黄酸化 / 硫化カルボニル分解 / 硫黄代謝 / 単体硫黄 / 硫化カルボニル / 化学合成無機栄養 / Fusarium solani |
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| Outline of Final Research Achievements |
Although heterotrophic growth requirement has been considered as the fundamental characteristics for the organisms in the domain fungi, chemolitho-autotrophic growth ability have been observed in various fungi isolated from soils and the deteriorated stone. These fungal isolates oxidized elemental sulfur in the absence of organic substances and hydrolyzed carbonyl sulfide. Endobacterium-free Fusarium solani strain THIF01 that was cured with antibiotics and F. solani strain NBRC9425 proliferated in the mineral salts medium supplemented with elemental sulfur as the sole energy source, indicating the growth ability of these fungi by oxidizing elemental sulfur without organic matter. Isolation of COS degrading enzyme was also conducted by using Trichoderma sp. strain THIF08 to understand metabolism of inorganic sulfur compound by fungi that is one of the major microorganisms in soil environments.
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