JP2001510993A - 細菌および酵母におけるポリケチドの産生 - Google Patents
細菌および酵母におけるポリケチドの産生Info
- Publication number
- JP2001510993A JP2001510993A JP52787998A JP52787998A JP2001510993A JP 2001510993 A JP2001510993 A JP 2001510993A JP 52787998 A JP52787998 A JP 52787998A JP 52787998 A JP52787998 A JP 52787998A JP 2001510993 A JP2001510993 A JP 2001510993A
- Authority
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- Prior art keywords
- vector
- pks
- cell
- expression system
- polyketide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.非改変形態において、ポリケチドを産生しない、改変された組換え宿主細胞 であって、該細胞が、最低限のポリケチドシンターゼ(PKS)のための発現系、 およびホロACPシンターゼのための発現系を含むように改変され、 該最低限のPKSが、ケトシンターゼ/アシルトランスフェラーゼ(KS/AT)触媒 領域、鎖長因子(CLF)触媒領域、および芳香族PKSに対するアシルキャリアタン パク質(ACP)活性を含むか:あるいは 該最低限のPKSが、KS触媒領域、AT触媒領域、およびモジュール性PKSまたは真 菌PKSに対するACP活性を含む、 改変された組換え宿主細胞。 2.E.coliまたは酵母である、請求項1に記載の改変された細胞。 3.前記PKSが、6-メチルサリチル酸についてのシンターゼである、請求項1に 記載の改変された細胞。 4.前記ホロACPシンターゼをコードするヌクレオチド配列および前記最低限のP KSの部分の少なくとも一部をコードするヌクレオチド配列が、融合タンパク質を コードするように融合される、請求項1に記載の改変された細胞。 5.前記最低限のPKSのための発現系および前記ホロACPシンターゼのための発現 系が、別々のベクターに存在する、請求項1に記載の改変された細胞。 6.前記発現系の少なくとも1つが、宿主細胞染色体に組み込まれる、請求項1 に記載の改変された細胞。 7.ポリケチドを産生するための方法であって、前記発現系がコードタンパク質 を産生し、そして該ポリケチドが合成される条件下で請求項1の細胞を培養する 工程を包含する、方法。 8.以下: a)少なくとも2つのベクターであって、該第1ベクターが、第1選択マーカ ーおよび第1発現系を含み、そして該第2ベクターが、第2選択マーカーおよび 第2発現系を含み、そして必要に応じてさらなるベクターが、さらなる選択マー カーおよび発現系を含み、該ベクターにおいて含まれる発現系が、少なくとも1 つの最低限のポリケチドシンターゼ(PKS)を産生するのに有効である、少なく とも2つのベクター;または b)少なくとも1つのベクターおよび改変された染色体であって、該1つのベ クターが、第1選択マーカーおよび第1発現系を含み、そして該改変された染色 体が、第2発現系を含み、そして必要に応じてさらなるベクターが、さらなる選 択マーカーおよび発現系を含み、該ベクターにおいて含まれる発現系が、該染色 体上の該発現系と組み合わせて、少なくとも最低限のポリケチドシンターゼ(PK S)を産生するのに有効である、少なくとも1つのベクターおよび改変された染 色体 のいずれかを含むように改変された、組換え宿主細胞であって、 該最低限のPKSは、ケトシンターゼ/アシルトランスフェラーゼ(KS/AT)触媒 領域、鎖長因子(CLF)触媒領域、および芳香族PKSについてのアシルキャリアタ ンパク質(ACP)活性を含むか:あるいは 該最低限のPKSは、KS触媒領域、AT触媒領域、およびモジュール性PKSまたは真 菌PKSについてのACP活性を含む、 組換え宿主細胞。 9.酵母細胞、E.coli細胞、放線菌、または植物細胞である、請求項8に記載の 細胞。 10.機能的ポリケチドについての細胞ベースの検出系のための発現系をさらに 含む、請求項8に記載の細胞。 11.少なくとも最低限の芳香族PKSを産生する、請求項8に記載の細胞であっ て: (a)第1選択マーカー、および該細胞において作動可能なプロモーターに作 動可能に連結されたKS/AT触媒領域をコードするヌクレオチド配列を含む発現系 を含む第1ベクター: (b)第2選択マーカー、および該細胞において作動可能なプロモーターに作 動可能に連結されたCLF触媒領域をコードするヌクレオチド配列を含む発現系を 含む第2ベクター;ならびに (c)第3選択マーカー、および該細胞において作動可能なプロモーターに作 動可能に連結されたACP活性をコードするヌクレオチド配列を含む発現系を含む 第3ベクター、 を含む細胞。 12.少なくとも1つの最低限のモジュール性PKSを産生する、請求項8に記載 の細胞であって: (a)第1選択マーカー、および該細胞において作動可能なプロモーターに作 動可能に連結されたポリケチドシンターゼ(PKS)の少なくとも1つのモジュー ルのための発現系を含む第1ベクター;ならびに (b)第2選択マーカー、および該細胞において作動可能なプロモーターに作 動可能に連結されたポリケチドシンターゼの第2モジュールを少なくともコード するヌクレオチド配列を含む第2ベクター、 を含む、細胞。 13.前記第1モジュールおよび第2モジュールが、異なるポリケチドシンター ゼに由来する、請求項12に記載の細胞。 14.前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KR活 性をコードするヌクレオチド配列をさらに含むか;または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KRおよび DH活性をコードするか;または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KR活性、 DH活性、およびER活性をコードし;ならびに/または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、チオエス テラーゼ(TE)活性をコードする、 請求項13に記載の細胞。 15.ポリケチドを産生するための方法であって、該発現系がコードタンパク質 を産生しそして該ポリケチドが合成される条件下で、請求項8の細胞を培養する 工程を包含する、方法。 16.ホロACPシンターゼのための組換え発現系を含むようにさらに改変されて いる、請求項8の細胞。 17.ポリケチドを産生するための方法であって、該発現系がコードタンパク質 を産生しそして該ポリケチドが合成される条件下で、請求項16の細胞を培養 する工程を包含する、方法。 18.個々のコロニーのパネルを含むポリケチドシンターゼPKSまたは合成され たポリケチドのライブラリーであって、各コロニーが、以下: a)少なくとも2つのベクターであって、該第1ベクターは、第1選択マーカ ーおよび第1発現系を含み、そして該第2ベクターは、第2選択マーカーおよび 第2発現系を含み、そして必要に応じてさらなるベクターは、さらなる選択マー カーおよび発現系を含み、該ベクターにおいて含まれる発現系は、少なくとも最 低限のポリケチドシンターゼ(PKS)を産生するのに有効である、少なくとも2 つのベクター;あるいは b)少なくとも1つのベクターおよび改変された染色体であって、該1つのベ クターは、第1選択マーカーおよび第1発現系を含み、そして該改変された染色 体は、第2発現系を含み、そして必要に応じてさらなるベクターは、さらなる選 択マーカーおよび発現系を含み該ベクターにおいて含まれる発現系が、該染色体 上の該発現系と組み合わせて、少なくとも最低限のポリケチドシンターゼ(PKS )を産生するのに有効である、少なくとも1つのベクターおよび改変された染色 体、 のいずれかを含み、 該最低限のPKSが、ケトシンターゼ/アシルトランスフェラーゼ(KS/AT)触媒 領域、鎖長因子(CLF)触媒領域、および芳香族PKSについてのアシルキャリアタ ンパク質(ACP)活性を含み:ならびに 該最低限のPKSが、KS触媒領域、AT触媒領域、およびモジュール性PKSまたは真 菌PKSについてのACP活性を含み、 ここで、ベクターの組合せ、またはベクターと改変された染色体との該組合せ が、各コロニーにおいて異なる、ライブラリー。 19.前記コロニーが、酵母、E.coli、放線菌、または植物細胞のコロニーであ る、請求項18に記載のライブラリー。 20.前記各コロニーが、さらに、機能的ポリケチドについての細胞ベースの検 出系のための発現系を含む、請求項18に記載のライブラリー。 21.前記PKSが芳香族PKSであり、そして各コロニーが: (a)第1選択マーカー、および前記細胞において作動可能なプロモーターに 作動可能に連結するKS/AT触媒領域をコードするヌクレオチド配列を含む発現系 を含む第1ベクター; (b)第2選択マーカー、および前記細胞において作動可能なプロモーターに 作動可能に連結されたCLF触媒領域をコードするヌクレオチド配列を含む発現系 を含む第2ベクター; (c)第3選択マーカー、および前記細胞において作動可能なプロモーターに 作動可能に連結されたACP活性をコードするヌクレオチド配列を含む発現系を含 む第3ベクター; を含み、 ここで該第1、第2、および第3ベクターの組合せが各コロニーにおいて異な る、請求項18に記載のライブラリー。 22.前記PKSがモジュール性PKSであり、ここで各コロニーが、 第1選択マーカー、および前記細胞において作動可能なプロモーターに作動可 能に連結されるPKSの少なくとも1つのモジュールのための発現を含む第1ベク ター;ならびに 第2選択マーカー、および前記細胞において作動可能なプロモーターに作動可 能に連結されたポリケチドシンターゼの第2モジュールを少なくともコードする ヌクレオチド配列を含む第2ベクター、 を含み、 ここで該第1、および第2ベクターの組合せが各コロニーにおいて異なる、請 求項18に記載のライブラリー。 23.前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KR活 性をコードするヌクレオチド配列をさらに含むか;または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KRおよび DH活性をコードするか;または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、KR、DH、 およびER活性をコードし;および/または 前記少なくとも1つのモジュールをコードするヌクレオチド配列が、チオエス テラーゼ(TE)活性をコードする、請求項22に記載のライブラリー。 24.前記各コロニーが、ホロACPシンターゼのための組換え発現系をさらに含 む、請求項18に記載のライブラリー。 25.ポリケチドのライブラリーを産生するための方法であって、前記発現系が コードタンパク質を産生しそして前記ポリケチドが合成される条件下で、請求項 18に記載の細胞を培養する工程を包含する、方法。 26.ポリケチドのライブラリーを産生するための方法であって、前記発現系が コードタンパク質を産生しそして前記ポリケチドが合成される条件下で、請求項 24に記載の細胞を培養する工程を包含する、方法。 27.標的レセプターに結合するポリケチドを同定するための方法であって、該 レセプターへの結合が検出され得る条件下で、該レセプターを請求項18に記載 のライブラリーの各メンバーと接触させる工程;および 各メンバーに関する該レセプターへの結合の存在または非存在を検出し、それ によりレセプターに結合するメンバーが同定される工程、 を包含する、方法。 28.標的レセプターに結合するポリケチドを同定するための方法であって、該 レセプターへの結合が検出され得る条件下で、該レセプターを請求項24に記載 のライブラリーの各メンバーと接触させる工程;および 各メンバーに関する該レセプターへの結合の存在または非存在を検出し、それ によりレセプターに結合するメンバーが同定される工程、 を包含する、方法。 29.細胞ベースの検出系において機能的なポリケチドを同定するための方法で あって、該細胞ベースの検出系のシグナルの存在または非存在について、請求項 18に記載のライブラリーの各メンバーを評価し、それにより機能的ポリケチド が同定される工程を包含する、方法。 30.酵母における発現に適応させたベクターであって、酵母において作動可能 な選択マーカー、および酵母において作動可能なプロモーターに作動可能に連結 される少なくとも1つの機能的ポリケチドシンターゼ触媒活性のコード領域を含 む発現系、を含むベクター。 31.請求項30に記載のベクターを含むように改変された酵母細胞。 32.ホロACPシンターゼのための組換え発現系をさらに含む、請求項31に記 載の酵母細胞。 33.ポリケチドシンターゼ活性を産生する方法であって、発現が支持される条 件下で、請求項31に記載の酵母細胞を培養する工程を包含する、方法。 34.ポリケチドシンターゼ活性を産生する方法であって、発現が支持される条 件下で、請求項32に記載の酵母細胞を培養する工程を包含する、方法。 35.E.coliにおける発現に適応させたベクターであって、E.coliにおいて作動 可能な選択マーカー、およびE.coliにおいて作動可能なプロモーターに作動可能 に連結された少なくとも1つの機能的ポリケチドシンターゼ触媒活性のコード領 域を含む発現系、を含むベクター。 36.請求項35のベクターを含むように改変されたE.coli細胞。 37.ホロACPシンターゼのための組換え発現系をさらに含む、請求項36に記 載のE.coli細胞。 38.ポリケチドシンターゼ活性を産生する方法であって、発現が支持される条 件下で、請求項36に記載のE.coli細胞を培養する工程を包含する、方法。 39.ポリケチドシンターゼ活性を産生する方法であって、発現が支持される条 件下で、請求項37に記載のE.coli細胞を培養する工程を包含する、方法。
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1997
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- 1997-12-12 AU AU57010/98A patent/AU734325B2/en not_active Ceased
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- 1997-12-12 DE DE69737753T patent/DE69737753T2/de not_active Expired - Lifetime
- 1997-12-12 CA CA002274087A patent/CA2274087A1/en not_active Abandoned
- 1997-12-12 ES ES97953212T patent/ES2287960T3/es not_active Expired - Lifetime
- 1997-12-12 WO PCT/US1997/023014 patent/WO1998027203A1/en active IP Right Grant
- 1997-12-12 JP JP52787998A patent/JP2001510993A/ja not_active Ceased
- 1997-12-12 NZ NZ336140A patent/NZ336140A/en unknown
- 1997-12-12 AT AT97953212T patent/ATE362979T1/de not_active IP Right Cessation
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1999
- 1999-10-21 US US09/422,073 patent/US6258566B1/en not_active Expired - Lifetime
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- 2001-05-08 US US09/851,650 patent/US7078233B2/en not_active Expired - Fee Related
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2005
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JP2014519853A (ja) * | 2011-06-23 | 2014-08-21 | ロー リニューアブルズ, インコーポレイテッド | 芳香族分子の組換え生成系 |
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JP2008022865A (ja) | 2008-02-07 |
US20020142400A1 (en) | 2002-10-03 |
US20060148052A1 (en) | 2006-07-06 |
AU734325B2 (en) | 2001-06-07 |
CA2274087A1 (en) | 1998-06-25 |
WO1998027203A1 (en) | 1998-06-25 |
EP0948613B1 (en) | 2007-05-23 |
DE69737753T2 (de) | 2008-01-31 |
ES2287960T3 (es) | 2007-12-16 |
DE69737753D1 (de) | 2007-07-05 |
EP0948613A1 (en) | 1999-10-13 |
US7078233B2 (en) | 2006-07-18 |
AU5701098A (en) | 1998-07-15 |
EP0948613A4 (en) | 2004-11-17 |
US6258566B1 (en) | 2001-07-10 |
NZ336140A (en) | 2001-02-23 |
ATE362979T1 (de) | 2007-06-15 |
US6033883A (en) | 2000-03-07 |
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