JP2004236660A - L−メチオニンを発酵により製造するための微生物菌株、プラスミド、微生物菌株の製法、およびl−メチオニンの製法 - Google Patents
L−メチオニンを発酵により製造するための微生物菌株、プラスミド、微生物菌株の製法、およびl−メチオニンの製法 Download PDFInfo
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- JP2004236660A JP2004236660A JP2004028554A JP2004028554A JP2004236660A JP 2004236660 A JP2004236660 A JP 2004236660A JP 2004028554 A JP2004028554 A JP 2004028554A JP 2004028554 A JP2004028554 A JP 2004028554A JP 2004236660 A JP2004236660 A JP 2004236660A
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- methionine
- yjeh
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- gene
- fermentation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/12—Methionine; Cysteine; Cystine
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Abstract
【解決手段】出発菌株から製造可能な、L−メチオニンの発酵による製造のために好適である微生物菌株において、出発菌株に対してyjeH−遺伝子産物のまたはyjeH−ホモログの遺伝子産物の上昇した活性を有することを特徴とする、微生物菌株。
【選択図】なし
Description
− metJ−欠失(例えば、JP2000139471中に記載されている)または
− 改善されたセリン製造に作用する、例えばフィードバック耐性のserA−変異体(例えば、EP0620853B1またはEP0931833A2)のようなアレル、または
− 改善されたシステイン製造に作用する、例えばフィードバック耐性のcysE−変異体(例えば、WO97/15673中に記載されている)遺伝子
を有するものである。
yjeH−遺伝子を構成的プロモータの制御下におくために、最初にベースベクターをエシェリキア・コリのグリセリンアルデヒド−3−デヒドロゲナーゼのためのgapA−遺伝子の構成的GAPDH−プロモータで構成する。このためには、プライマー:
エシェリキア・コリ菌株W3110からのyjeH−遺伝子をポリメラーゼ連鎖反応を用いて増幅した。特別なポリマーとして次のオリゴヌクレオチド
同一出願人の2002年10月11日付の特許出願DE−A10247437中に記載された、フィードバック耐性O−ホモセリン−トランスサクシニラーゼをコードするmetA−アレルをポリメラーゼ連鎖反応により、テンプレートpKP446(同様に特許出願DE−A10247437中に記載されている)およびプライマー
遺伝子metJ/Bをポリメラーゼ連鎖反応により、プライマー
発酵のための前培養として、テトラサイクリン15mg/lを付加的に含有するLB−培地(トリプトン10g/l、酵母エキス5g/l、NaCl 10g/l)20mlに生産菌株を接種し、振盪器中で30℃、150rpmでインキュベーションした。7時間後、グルコース5g/l;ビタミンB1 0.5mg/lおよびテトラサイクリンを添加した、SM1−培地(K2HPO412g/l;KH2PO43g/l;(NH4)2SO45g/l;MgSO4×7H2O 0.3g/l;CaCl2×2H2O 0.015g/l;FeSO4×7H2O 0.002g/l;クエン酸Na3×2H2O 1g/l;NaCl 0.1g/l;以下の成分からなる微量元素溶液1ml/l、Na2MoO4×2H2O 0.15;Na3BO32.5g/l;CoCl2×6H2O 0.7g/l;CuSO4×5H2O 0.25g/l;MnCl2×4H2O 1.6g/l;ZnSO4×7H2O 0.3g/l)100ml中に全配合物を供給した。更なるインキュベーションを30℃で、150rpmで17時間実施した。
発酵装置としては、最大培養体積2 lのBiostat B装置(Braun Biotech社、Melsungen, D)を用いた。例5中に記載した前培養体(600nmでの光学密度約3)を発酵装置にグルコース15g/l、トリプトン10g/l、酵母エキス5g/l、Na2S2O3×5H2O3g/l、ビタミンB1 0.5mg/l、ビタミンB12 30mg/l、およびテトラサイクリン15mg/lを添加したSM1−培地900mlと共に接種した。発酵の間、温度を32℃に調節し、pH値を25%濃度のアンモニアを供給することにより7.0の値で一定に保持した。この培地に除菌した圧搾空気を、5体積/体積/分で通気し、回転数400rpmで攪拌した。酸素飽和が50%の値まで低下した後、回転数を制御装置を介して1500rpmの値まで上昇させ、50%酸素飽和を得る(pO2−ゾンデで測定し、900rpmで100%飽和に対して較正する)。最初15g/lの発酵装置中のグルコース含量が約5〜10g/lに低下すると同時に、56%濃度のグルコース溶液の供給を行う。栄養供給は流速6〜12ml/hで行い、その際発酵装置中のグルコース濃度は0.5〜10g/lに一定に保持した。グルコースの測定はグルコース分析装置(YSI 社、Yellow Springs, Ohio, USA)を用いて実施した。発酵時間は48時間であった。この時間の後、試料を取出し、細胞を遠心分離により培地から分離する。生じた培養上澄みをLUNA5μC18(2)カラム(Phenomenex Aschaffenburg, Deutschland)を用いて、流速0.5ml/分で逆相HPLCにより分析した。溶離剤としては希リン酸(濃リン酸0.1ml/l)を使用する。第1表は培養上澄み中に達せられたL−メチオニンの含量を示す。
Claims (15)
- 出発菌株から製造可能な、L−メチオニンの発酵による製造のために好適である微生物菌株において、出発菌株に対して上昇したyjeH−遺伝子産物のまたはyjeH−ホモログの遺伝子産物の活性を有することを特徴とする、微生物菌株。
- 真菌、酵母または細菌であり、有利には腸内細菌科からの細菌、特に有利には種エシェリキア・コリである、請求項1記載の微生物菌株。
- 微生物中のyjeH−遺伝子のコピー数が上昇しているか、または好適なプロモータまたは翻訳シグナルの挿入によりyjeH−遺伝子の発現が増大した、請求項1または2記載の微生物菌株。
- プロモータがgapA−遺伝子の構成的なGAPDH−プロモータ、誘導可能なlac−、tac−、trc−、ラムダ−、araおよびtet−プロモータの群から選択されている、請求項3記載の微生物菌株。
- yjeH−遺伝子産物の上昇した活性がpACYC−誘導体中のyjeH−遺伝子のコピー数の増加に起因するエシェリキア・コリ菌株である、請求項1から4までのいずれか1項記載の微生物菌株。
- プロモータを有するyjeH−遺伝子を含有することを特徴とする、プラスミド。
- メチオニン代謝の脱制御のための遺伝的要素を付加的に含有する、請求項6記載のプラスミド。
- 出発菌株に請求項6または7記載のプラスミドを導入する、請求項1から5までのいずれか1項記載の微生物菌株の製法。
- 請求項1から5までのいずれか1項記載の微生物菌株を発酵に使用し、L−メチオニンを発酵配合物から分離することを特徴とする、L−メチオニンの製法。
- 微生物菌株を、連続培養として、回分培養として、または有利に流加培養として発酵装置中で培養する、請求項9記載の製法。
- C−源を発酵の間連続的に供給する、請求項9または10記載の製法。
- C−源として、糖、糖アルコールまたは有機酸を使用する、請求項9から11までのいずれか1項記載の製法。
- C−源の配量を、発酵装置中のC−源の含量が発酵の間0.1〜50g/lの範囲、特に有利には0.5〜10g/lの範囲に保持されることが保証されるような形で実施する、請求項9から12までのいずれか1項記載の製法。
- N−源として、アンモニア、アンモニウム塩または蛋白質加水分解物を使用する、請求項9から13までのいずれか1項記載の製法。
- 発酵を好気増殖条件下に実施する、請求項9から14までのいずれか1項記載の製法。
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|---|---|---|---|
| DE10305774A DE10305774A1 (de) | 2003-02-06 | 2003-02-06 | Verfahren zur fermentativen Herstellung von L-Methionin |
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|---|---|
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|---|---|
| US (1) | US20090298135A1 (ja) |
| EP (1) | EP1445310B2 (ja) |
| JP (1) | JP2004236660A (ja) |
| CN (1) | CN100510057C (ja) |
| AT (1) | ATE326523T1 (ja) |
| CA (1) | CA2456483A1 (ja) |
| DE (2) | DE10305774A1 (ja) |
| ES (1) | ES2268504T3 (ja) |
| RU (1) | RU2280687C2 (ja) |
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| JP2017516485A (ja) * | 2014-06-05 | 2017-06-22 | シージェイ チェイルジェダング コーポレイション | O−アセチル−ホモセリンを生産する微生物及びこれを用いてo−アセチル−ホモセリンを生産する方法 |
| JP2022516111A (ja) * | 2018-12-27 | 2022-02-24 | 味の素株式会社 | 腸内細菌科の細菌の発酵による塩基性l-アミノ酸またはその塩の製造方法 |
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| AU2006261356A1 (en) * | 2005-06-17 | 2006-12-28 | Microbia, Inc. | Improved amino acid and metabolite biosynthesis |
| BRPI0620880B1 (pt) * | 2006-01-04 | 2018-10-09 | Evonik Degussa Gmbh | método para a produção de metionina, pelo cultivo de um microorganismo, e, microorganismo |
| AU2007277081B2 (en) | 2006-07-27 | 2014-02-06 | Wyeth Llc | High-cell density fed-batch fermentation process for producing recombinant protein |
| KR20080061801A (ko) * | 2006-12-28 | 2008-07-03 | 씨제이제일제당 (주) | L-메티오닌 생산능을 향상시키는 폴리펩타이드, 상기 폴리펩타이드를 과발현하는 미생물 및 상기 미생물을 이용한 l- 메티오닌 생산방법 |
| US7851180B2 (en) * | 2008-04-04 | 2010-12-14 | Cj Cheiljedang Corporation | Microorganism producing L-methionine precursor and the method of producing L-methionine precursor using the microorganism |
| CN102782137B (zh) * | 2009-12-30 | 2016-01-06 | 代谢探索者公司 | 用于甲硫氨酸生产的菌株和方法 |
| EP2479279A1 (de) | 2011-01-20 | 2012-07-25 | Evonik Degussa GmbH | Verfahren zur fermentativen Herstellung schwefelhaltiger Aminosäuren |
| EP2628792A1 (de) | 2012-02-17 | 2013-08-21 | Evonik Industries AG | Zelle mit verringerter ppGppase-Aktivität |
| EP2700715B1 (de) | 2012-08-20 | 2018-07-25 | Evonik Degussa GmbH | Verfahren zur fermentativen Herstellung von L-Aminosäuren unter Verwendung von verbesserten Stämmen der Familie Enterobacteriaceae |
| HK1210810A1 (en) | 2012-09-19 | 2016-05-06 | F. Hoffmann-La Roche Ag | Methods and compositions for preventing norleucine misincorporation into proteins |
| KR101555749B1 (ko) * | 2013-10-23 | 2015-09-25 | 씨제이제일제당 (주) | O-숙시닐호모세린 생산 미생물 및 이를 이용한 o-숙시닐호모세린의 생산방법 |
| KR101555750B1 (ko) * | 2013-10-23 | 2015-09-25 | 씨제이제일제당 (주) | O-숙시닐호모세린 생산 미생물 및 이를 이용한 o-숙시닐호모세린의 생산방법 |
| KR101565213B1 (ko) * | 2013-10-23 | 2015-11-03 | 씨제이제일제당 (주) | O-숙시닐호모세린 생산 미생물 및 이를 이용한 o-숙시닐호모세린의 생산방법 |
| RU2706535C2 (ru) | 2015-06-04 | 2019-11-19 | СиДжей ЧеилДжеданг Корпорейшн | Микроорганизм, продуцирующий O-ацетилгомосерин, и способ получения O-ацетилгомосерина с использованием этого микроорганизма |
| KR101851452B1 (ko) | 2016-07-18 | 2018-04-24 | 씨제이제일제당 (주) | O-아세틸-호모세린을 생산하는 미생물 및 이를 이용하여 o-아세틸-호모세린을 생산하는 방법 |
| RU2020105358A (ru) | 2017-07-11 | 2021-08-11 | Адиссео Франс С.А.С. | Дрожжи, продуцирующие метионин |
| KR102472558B1 (ko) | 2019-06-28 | 2022-12-01 | 씨제이제일제당 주식회사 | 황 함유 아미노산 또는 그 유도체 제조방법 |
| KR102472559B1 (ko) | 2019-06-28 | 2022-12-01 | 씨제이제일제당 주식회사 | 황 함유 아미노산 또는 그 유도체의 제조방법 |
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| RU2133772C1 (ru) * | 1993-08-24 | 1999-07-27 | Адзиномото Ко., Инк. | Модифицированная фосфоенолпируваткарбоксилаза, фрагмент днк, штамм escherichia coli, рекомбинантная днк, способ получения аминокислоты (варианты), способ селекции клеток escherichia coli, способ получения модифицированной фосфоенолпируваткарбоксилазы, способ получения фрагмента днк и способ получения микроорганизма |
| DE19726083A1 (de) * | 1997-06-19 | 1998-12-24 | Consortium Elektrochem Ind | Mikroorganismen und Verfahren zur fermentativen Herstellung von L-Cystein, L-Cystin, N-Acetyl-Serin oder Thiazolidinderivaten |
| JP4110641B2 (ja) * | 1998-11-17 | 2008-07-02 | 味の素株式会社 | 発酵法によるl−メチオニンの製造法 |
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| DE10109689A1 (de) * | 2000-08-02 | 2002-02-21 | Degussa | Neue für das metE-Gen kodierende Nukleotidsequenzen |
| DE10136986A1 (de) * | 2000-09-03 | 2002-03-21 | Degussa | Für Gene cysD, cysN, cysK, cysE und cysH kodierende Nukleotidsequenzen |
| DE10105686A1 (de) * | 2001-02-08 | 2002-09-05 | Infineon Technologies Ag | Verfahren zum Herstellen einer Kondensatoranordnung für eine Halbleiterspeichereinrichtung |
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2003
- 2003-02-06 DE DE10305774A patent/DE10305774A1/de not_active Withdrawn
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2004
- 2004-01-29 ES ES04001958T patent/ES2268504T3/es not_active Expired - Lifetime
- 2004-01-29 EP EP04001958.0A patent/EP1445310B2/de not_active Expired - Lifetime
- 2004-01-29 AT AT04001958T patent/ATE326523T1/de active
- 2004-01-29 DE DE502004000547T patent/DE502004000547D1/de not_active Expired - Lifetime
- 2004-01-30 US US10/768,528 patent/US20090298135A1/en not_active Abandoned
- 2004-01-30 CA CA002456483A patent/CA2456483A1/en not_active Abandoned
- 2004-02-04 JP JP2004028554A patent/JP2004236660A/ja active Pending
- 2004-02-06 CN CNB200410003833XA patent/CN100510057C/zh not_active Expired - Fee Related
- 2004-02-06 RU RU2004103494/13A patent/RU2280687C2/ru not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017516485A (ja) * | 2014-06-05 | 2017-06-22 | シージェイ チェイルジェダング コーポレイション | O−アセチル−ホモセリンを生産する微生物及びこれを用いてo−アセチル−ホモセリンを生産する方法 |
| US10501763B2 (en) | 2014-06-05 | 2019-12-10 | Cj Cheiljedang Corporation | Microorganism producing O-acetyl-homoserine and method for producing O-acetylhomoserine using the same |
| JP2022516111A (ja) * | 2018-12-27 | 2022-02-24 | 味の素株式会社 | 腸内細菌科の細菌の発酵による塩基性l-アミノ酸またはその塩の製造方法 |
| JP7491312B2 (ja) | 2018-12-27 | 2024-05-28 | 味の素株式会社 | 腸内細菌科の細菌の発酵による塩基性l-アミノ酸またはその塩の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE326523T1 (de) | 2006-06-15 |
| EP1445310B2 (de) | 2016-06-29 |
| CA2456483A1 (en) | 2004-08-06 |
| CN1539983A (zh) | 2004-10-27 |
| ES2268504T3 (es) | 2007-03-16 |
| EP1445310B1 (de) | 2006-05-17 |
| US20090298135A1 (en) | 2009-12-03 |
| RU2280687C2 (ru) | 2006-07-27 |
| DE10305774A1 (de) | 2004-08-26 |
| CN100510057C (zh) | 2009-07-08 |
| DE502004000547D1 (de) | 2006-06-22 |
| RU2004103494A (ru) | 2005-07-27 |
| EP1445310A1 (de) | 2004-08-11 |
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