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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Kraig Biocraft Laboratories ： ウィキペディア英語版 Kraig Biocraft Laboratories Kraig Biocraft Laboratories, Inc. was founded by Kim Thompson in April 2006 to develop and commercialize spider silks and other high performance polymers using spider silk gene sequences discovered and invented at the University of Wyoming by Dr. Randy Lewis, in combination with genetic engineering strategies developed by Dr. Malcolm Fraser (University of Notre Dame) and Donald Jarvis (University of Wyoming).〔(【引用サイトリンク】title =Press release )〕 ==The Science== The method used to genetically modify the silkworm uses the PiggyBac Transposon vector discovered and developed by Dr. Fraser at the University of Notre Dame. Specific sequences of spider silk DNA are inserted into the genetic makeup of the silkworm to create a strain of the insect that now produces the spider protein. They are able to customize the sequences that are inserted into the silkworm, thus giving the ability to customize the resulting silkworm's thread strength and flexibility. To ensure the silkworm has been genetically modified, a gene was attached that gave the transgenic silkworms red glowing eyes. The thread produced by the transgenic silkworms is close to the strength and flexibility of the native spider. Strength relative to native spider silk is 80%. Kraig Biocraft Laboratories is not the first to create transgenic silkworms incorporating spider silk proteins. Where Kraig Labs has succeeded is that the spider silk proteins are integrated structurally into the transgenic silkworm fiber.〔(【引用サイトリンク】title =Transgenic Worms Make Tough Fibers )〕 Silkworms are not the only species to be altered in the attempt to create a new source of spider silk. Another firm, Nexia Biotech, created Transgenic goats. These goats produced spider silk proteins in their milk. The finished fiber, a product of wet spinning, was much thicker than native spider silk and proved not to be commercially viable due to cost.〔(【引用サイトリンク】title =Transgenic worms make tough fibers )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kraig Biocraft Laboratories」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.