JP6211577B2 - トラウストチトリアレス微生物の形質転換についての産物および方法 - Google Patents
トラウストチトリアレス微生物の形質転換についての産物および方法 Download PDFInfo
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- JP6211577B2 JP6211577B2 JP2015253726A JP2015253726A JP6211577B2 JP 6211577 B2 JP6211577 B2 JP 6211577B2 JP 2015253726 A JP2015253726 A JP 2015253726A JP 2015253726 A JP2015253726 A JP 2015253726A JP 6211577 B2 JP6211577 B2 JP 6211577B2
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- C12Y202/01—Transketolases and transaldolases (2.2.1)
- C12Y202/01006—Acetolactate synthase (2.2.1.6)
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Description
本発明は、一般的に、トラウストチトリアレス目(Thraustochytriales)の微生物にスルホニル尿素化合物、イミダゾリノン類阻害剤および/またはピリミジニルオキシ安息香酸に対する低下した感受性を与えるアセト乳酸シンターゼを含む、トラウストチトリアレスのアセト乳酸シンターゼをコードする単離された核酸分子;トラウストチトリアレス目の微生物の形質転換のために有用な選択マーカーを含む組換え核酸分子、ならびに本発明の組換え核酸分子を用いてそのような微生物を形質転換する方法に関する。本発明はまた、トラウストチトリアレス発現系において有用な遺伝子プロモーターに関する。本発明の組換え核酸分子は、トラウストチトリアレス微生物において外来核酸の発現、およびトラウストチトリアレス微生物における遺伝子の欠失、突然変異または不活化のために用いられうる。
開発することによりトラウストチトリド(Thraustochytrid)の分類の改正をもたらした。分類学理論家は、トラウストチトリドを藻類または藻類様原生生物と定める。しかしながら、分類の不確定性のため、本発明に記載される系統をトラウストチトリド(目:トラウストチトリアレス;科:トラウストチトリアシエ(Thraustochytriaceae);属:トラウストチトリウム(Thraustochytrium)、シゾチトリウム(Schizochytrium)、ラビリンチュロイデス(Labyrinthuloides)またはジャポノチトリウム(Japonochytrium))とみなすことが本発明の目的にとって最善であるものと思われる。分類変更は下記に要約されている。
界:有色植物界(ストラメノパイル)
門:不等毛門(Heterokonta)
目:トラウストチトリアレス
科:トラウストチトリアシエ
属:トラウストチトリウム、シゾチトリウム、ラビリンチュロイデス、またはジャポノチトリウム
本発明は、トラウストチトリアレス目の微生物を遺伝的に形質転換するための方法および関連した材料を含む。本発明の組換え構築物の形質転換体としての使用のために本明細書に開示される単細胞微生物のすべての株は、一般的にトラウストチトリドとも呼ばれうるのだが、トラウストチトリアレス目のメンバーである。本発明により、句「トラウストチトリド」、「トラウストチトリアレス微生物」および「トラウストチトリアレス目の微生物」は、交換可能に用いられうる。本発明者らは、シゾチトリウムまたは他のいずれのトラウストチトリアレス微生物についての形質転換系を記載する先行報告を一つも認識していない。本明細書に記載される形質転換系は、外来遺伝子をトラウストチトリアレス目の微生物へ導入し、それにより高められた商業的価値をもつ系統を作製するための手段を提供するために用いられうる。さらに、本発明は、相同的または非相同的組換えによる特定の遺伝子の変異または不活化を可能にし、細胞の代謝を変えるための、およびトラウストチトリアレス微生物における特定の遺伝子の機能を同定するための新規な方法を提供する。
一致についての報酬 = 1
不一致についてのペナルティ = -2
オープンギャップ(5)および伸長ギャップ(2)ペナルティ
ギャップx_ドロップオフ(50)期待(10)ワードサイズ(11)フィルター(オン)
0 BLOSUM62行列を用いる、blastpについて:
オープンギャップ(11)および伸長ギャップ(1)ペナルティ
ギャップx_ドロップオフ(50)期待(10)ワードサイズ(3)フィルター(オン)。
この実施例は、組換えプラスミドpTUBZEO 11-2の作製を記載する。
この実施例は、組換えプラスミドpMON50200、pMON50201、pMON50202、およびpMON50203の作製を記載する。
この実施例は、実施例1および実施例2に記載される組換え分子でのシゾチトリウム属種の遺伝的形質転換を記載する。
以下の実施例は、形質転換されたシゾチトリウム細胞のPCR分析を実証する。
以下の実施例は、形質転換されたシゾチトリウム細胞のサザンブロット分析を記載する。
この実施例は、シゾチトリウムにおける相同的組換えを実証している。
この実施例は、選択マーカー遺伝子に連結されていない追加の外来DNA分子を含む株を同時形質転換により作製するために形質転換ベクターpTUBZEO 11-2またはpMON50202の使用を記載する。
Claims (5)
- 以下の工程を含む、タンパク質の生産のための方法:
シゾチトリウム属の組換え微生物を培地中で培養する工程であって、該組換え微生物が、タンパク質を生産するために、タンパク質をコードする外来遺伝子を含む単離された核酸分子を含む、工程;および
タンパク質を回収する工程、
ここで、単離された核酸分子が1つまたは複数のシゾチトリウムのプロモーター配列をさらに含み、かつ外来遺伝子が1つまたは複数のシゾチトリウムのプロモーター配列に実施可能に連結される方法。 - シゾチトリウムのプロモーター配列が、シゾチトリウムのアセト乳酸シンターゼプロモーター配列、シゾチトリウムのα-チューブリンプロモーター配列、シゾチトリウムのポリケチドシンターゼ系プロモーター配列、およびシゾチトリウムの脂肪酸デサチュラーゼプロモーター配列からなる群より選択される、請求項1記載の方法。
- 単離された核酸分子がシグナルセグメント核酸配列をさらに含む、請求項1記載の方法。
- タンパク質が培地中に分泌され、タンパク質が培地から回収される、請求項1記載の方法。
- 微生物が、シゾチトリウム属種、シゾチトリウムアグレガタム、シゾチトリウムリマシナム、およびシゾチトリウムミヌタムからなる群より選択される種由来のものである、請求項1記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28411601P | 2001-04-16 | 2001-04-16 | |
| US60/284,116 | 2001-04-16 |
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| JP2012215905A Division JP2013005817A (ja) | 2001-04-16 | 2012-09-28 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
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| Publication Number | Publication Date |
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| JP2016039831A JP2016039831A (ja) | 2016-03-24 |
| JP6211577B2 true JP6211577B2 (ja) | 2017-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2002582208A Expired - Fee Related JP4536324B2 (ja) | 2001-04-16 | 2002-04-16 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
| JP2010019881A Expired - Lifetime JP5248536B2 (ja) | 2001-04-16 | 2010-02-01 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
| JP2012215905A Withdrawn JP2013005817A (ja) | 2001-04-16 | 2012-09-28 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
| JP2015253726A Expired - Fee Related JP6211577B2 (ja) | 2001-04-16 | 2015-12-25 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
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| JP2002582208A Expired - Fee Related JP4536324B2 (ja) | 2001-04-16 | 2002-04-16 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
| JP2010019881A Expired - Lifetime JP5248536B2 (ja) | 2001-04-16 | 2010-02-01 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
| JP2012215905A Withdrawn JP2013005817A (ja) | 2001-04-16 | 2012-09-28 | トラウストチトリアレス微生物の形質転換についての産物および方法 |
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| Country | Link |
|---|---|
| US (5) | US7001772B2 (ja) |
| EP (3) | EP2325319B1 (ja) |
| JP (4) | JP4536324B2 (ja) |
| CN (3) | CN1556850B (ja) |
| AT (1) | ATE533844T1 (ja) |
| AU (1) | AU2002250592C1 (ja) |
| CA (1) | CA2443908C (ja) |
| ES (3) | ES2698473T3 (ja) |
| TW (3) | TWI377253B (ja) |
| WO (1) | WO2002083869A2 (ja) |
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