The development of the spider silk
Project/Area Number |
18380041
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Applied entomology
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Research Institution | Shinshu University |
Principal Investigator |
NAKAGAKI Masao Shinshu University, 繊維学部, 教授 (70135169)
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Project Period (FY) |
2006 – 2008
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Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥17,740,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2008: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2007: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2006: ¥6,300,000 (Direct Cost: ¥6,300,000)
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Keywords | バイオテクノロジー / 昆虫 / 蜘蛛 / 新素材 / 繊維 |
Research Abstract |
遺伝子組換え技術を用いて、各種の蜘蛛糸をカイコにおいて効率よく大量生産させるために、RNAi法を利用して、カイコ本来のフィブロイン遺伝子をノックダウンする方法を試したが、蜘蛛糸含量を高める効果が認められなかった。フィブロインを生産しない変異系統のカイコに遺伝子操作を行い、蜘蛛糸遺伝子を導入した。蜘蛛糸含量を高める効果があるかどうかを検討中である。 日本に生息するいくつかの蜘蛛について、その糸の力学的性状を調査するとともに糸遺伝子のcDNAライブラリーを作成した。そのcDNAライブラリー中に、蜘蛛糸の遺伝子配列をいくつか同定した。
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Report
(4 results)
Research Products
(35 results)
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[Journal Article] Expression of EGFP-spider dragline silk fusion protein in BmN cells and larvae of silkworm showed the solubility is primary limit for dragline proteins yield2008
Author(s)
Yuansong Zhang, Junhua Hu, Yungen Miao, Aichun Zhao, Tianfu Zhao, Dayang Wu ,Liefeng Liang, Ayumi Miikura, Kunihiro Shiomi, Zenta Kajiura, Masao Nakagaki
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Journal Title
Mol Biol Rep 35(3)
Pages: 329-335
Related Report
Peer Reviewed
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[Journal Article] Expression of EGFP-spider dragline silk fusion protein in BmN cells and larvae of silkworm showed the solubility is primary limit for dragline proteins yield2008
Author(s)
Yuansong Zhang, Junhua Hu, Yungen Miao, Aichun Zhao, Tianfu Zhao, Dayang Wu, Liefeng Liang, Ayumi Miikura, Kunihiro Shiorai, Zenta Kajiura, Masao Nakaeaki
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Journal Title
Mol Biol Rep 36
Pages: 329-335
Related Report
Peer Reviewed
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[Journal Article] Novel molecular and mechanical properties of egg case silk from wasp spider, Argiope bruennichi2006
Author(s)
Zhao AC, Zhao TF, Nakagaki K, Zhang YS, Sima YH, Miao YG, Shiomi K, Kajiura Z, Nagata Y, Takadera M, Nakagaki M
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Journal Title
Biochemistry 45(10)
Pages: 3348-3356
Related Report
Peer Reviewed
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[Journal Article] Unique molecular architecture of egg case silk protein in a spider, Nephila clavata2006
Author(s)
Zhao A, Zhao T, Sima Y, Zhang Y, Nakagaki K, Miao Y, Shiomi K, Kajiura Z, Nagata Y, Nakagaki M
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Journal Title
J.Biochem.(Tokyo) 138(5)
Pages: 593-604
NAID
Related Report
Peer Reviewed
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