JP6595508B2 - ピルビン酸塩由来生成物の生成及び制御のための発酵プロセス - Google Patents
ピルビン酸塩由来生成物の生成及び制御のための発酵プロセス Download PDFInfo
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- JP6595508B2 JP6595508B2 JP2016568696A JP2016568696A JP6595508B2 JP 6595508 B2 JP6595508 B2 JP 6595508B2 JP 2016568696 A JP2016568696 A JP 2016568696A JP 2016568696 A JP2016568696 A JP 2016568696A JP 6595508 B2 JP6595508 B2 JP 6595508B2
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 235000021536 Sugar beet Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000589596 Thermus Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 1
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
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- 239000002802 bituminous coal Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 description 1
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- 125000004432 carbon atom Chemical group C* 0.000 description 1
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
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- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
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- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
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- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
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- C12P7/26—Ketones
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- C12P7/56—Lactic acid
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Description
本出願は、2015年5月21日に出願された米国特許出願第14/283,287号の利益を主張するものであり、その内容は、参照により本明細書に組み込まれる。
a)COを含むガス状基質を、液体栄養培地中に少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の培養物を含むバイオリアクタに提供して、少なくとも1つのピルビン酸塩由来生成物及び少なくともアセチル−CoA由来生成物を生成することと、
b)ピルビン酸塩に対する炭素の流れが増加するように、液体栄養培地中の少なくとも1つの栄養素の濃度を少なくとも1つの酢酸生成微生物の細胞要求を超える濃度まで増加させることと、を含み、前記栄養素は、
1)ビタミンB1、
2)ビタミンB5、及び
3)ビタミンB7からなる群から選択される。
a)COを含むガス状基質を、液体栄養培地中に少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の培養物を含むバイオリアクタに提供して、少なくとも2,3−ブタンジオール及びエタノールを生成することと、
b)エタノールに対する2,3−ブタンジオールの比が増加するように、液体栄養培地中の少なくとも1つの栄養素の濃度を少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の細胞要求を超える濃度まで増加させることと、を含み、前記栄養素は、
1)ビタミンB1、
2)ビタミンB5、
3)ビタミンB7、及びそれらの混合物からなる群から選択される。
定義
1)ビタミンB1、
2)ビタミンB5、
3)ビタミンB7、及びそれらの混合物からなる群から選択される。
発酵
CO含有基質
流れのブレンド
培地
バイオリアクタ
発酵条件
発酵生成物
生成物の回収
実施例3.発酵開始からのビタミンB5の増加が2,3−BDOの生成に与える影響
実施例4.ビタミンB1濃度の増加/減少が2,3−BDOの生成に与える影響
実施例5:B7の濃度の増加が2,3−BDOの生成に与える影響
本発明は、以下の態様を包含し得る。
[1]
微生物発酵の間に少なくとも1つのピルビン酸塩由来生成物の生成を増加させる方法であって、
a)COを含むガス状基質を、液体栄養培地中に少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の培養物を含むバイオリアクタに提供して、少なくとも1つのピルビン酸塩由来生成物及び少なくともアセチル−CoA由来生成物を生成することと、
b)少なくとも1つのピルビン酸塩由来生成物の前記生成が増加するように、前記液体栄養培地中の少なくとも1つの栄養素の濃度を前記少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の細胞要求を超える濃度まで増加させることと、を含み、前記栄養素は、
1)ビタミンB1、
2)ビタミンB5、
3)ビタミンB7、及びそれらの混合物からなる群から選択される、方法。
[2]
微生物発酵によって生成される2,3−ブタンジオールの生成を増加させる方法であって、
a)COを含むガス状基質を、液体栄養培地中に少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の培養物を含むバイオリアクタに提供して、少なくとも2,3−ブタンジオール及びエタノールを生成することと、
b)2,3−ブタンジオールの前記生成が増加するように、前記液体栄養培地中の少なくとも1つの栄養素の濃度を前記少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の細胞要求を超える濃度まで増加させることと、を含み、前記栄養素は、
1)ビタミンB1、
2)ビタミンB5、
3)ビタミンB7、及びそれらの混合物からなる群から選択される、方法。
[3]
ビタミンB5またはビタミンB1の濃度を、前記少なくとも1つの微生物の前記細胞要求を超えて2〜80倍増加させる、上記[1]に記載の方法。
[4]
ビタミンB5またはビタミンB1の前記濃度を、前記少なくとも1つの微生物の前記細胞要求を超えて2〜80倍増加させる、上記[2]に記載の方法。
[5]
ビタミンB7の濃度を、前記液体栄養培地中で、前記少なくとも1つの微生物の前記細胞要求を超えて2〜30倍増加させる、上記[1]に記載の方法。
[6]
ビタミンB7の前記濃度を、前記液体栄養培地中で、前記少なくとも1つの微生物の前記細胞要求を超えて2〜30倍増加させる、上記[2]に記載の方法。
[7]
前記液体栄養培地中のビタミンB1の前記濃度は、20〜500μg/生成バイオマス1gと様々である、上記[1]に記載の方法。
[8]
前記液体栄養培地中のビタミンB1の前記濃度は、20〜500μg/生成バイオマス1gと様々である、上記[2]に記載の方法。
[9]
前記液体栄養培地中のビタミンB5の前記濃度は、100〜4000μg/生成バイオマス1gと様々である、上記[1]に記載の方法。
[10]
前記液体栄養培地中のビタミンB5の前記濃度は、100〜4000μg/生成バイオマス1gと様々である、上記[2]に記載の方法。
[11]
前記液体栄養培地中のビタミンB7の前記濃度は、100〜4000μg/生成バイオマス1gと様々である、上記[1]に記載の方法。
[12]
前記液体栄養培地中のビタミンB7の前記濃度は、100〜4000μg/生成バイオマス1gと様々である、上記[2]に記載の方法。
[13]
前記ピルビン酸塩由来生成物は、2,3−ブタンジオール、乳酸塩、コハク酸塩、メチルエチルケトン、2−ブタノール、プロパンジオール、2−プロパノール、イソプロパノール、アセトイン、イソブタノール、シトラマル酸塩、ブタジエン、及びポリ乳酸からなる群から選択される、上記[1]に記載の方法。
[14]
前記アセチル−CoA由来生成物は、エタノールである、上記[1]に記載の方法。
[15]
2,3−ブタンジオールの前記生成を、エタノール:2,3−ブタンジオールの比が4:1〜1:1と様々であるように増加させる、上記[2]に記載の方法。
[16]
2,3−ブタンジオールの前記生成は、少なくとも1日当たり10g/Lである、上記[2]に記載の方法。
[17]
2,3−ブタンジオールの前記生成は、少なくとも1日当たり20g/Lである、上記[2]に記載の方法。
[18]
前記酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム、モーレラ、オキソバクター、ペプトストレプトコッカス、アセトバクテリウム、ユウバクテリウム、またはブチリバクテリウムからなる群から選択される、上記[1]に記載の方法。
[19]
前記酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム、モーレラ、オキソバクター、ペプトストレプトコッカス、アセトバクテリウム、ユウバクテリウム、またはブチリバクテリウムからなる群から選択される、上記[2]に記載の方法。
[20]
前記酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム・オートエタノゲナム、クロストリジウム・リュングダリイ、クロストリジウム・カルボキシディボランス、クロストリジウム・ドラケイ、クロストリジウム・スカトロゲネス、クロストリジウム・アセチカム、クロストリジウム・フォルミコアセチカム、クロストリジウム・マグナム、ブチリバクテリウム・メチロトロフィカム、アセトバクテリウム・ウッディ、アルカリバクルム・バッキ(Alkalibaculum bacchi)、ブラウティア・プロダクタ、ユーバクテリウム・リモスム、ムーレラ・サーモアセチカ、スポロミュサ・オバータ、スポロミュサ・シルバセティカ、スポロミュサ・スフェロイデス、オキソバクター・フェニジイ、及びサーモアナエロバクター・キブイからなる群から選択される上記[18]に記載の方法。
[21]
前記酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム・オートエタノゲナム、クロストリジウム・リュングダリイ、クロストリジウム・カルボキシディボランス、クロストリジウム・ドラケイ、クロストリジウム・スカトロゲネス、クロストリジウム・アセチカム、クロストリジウム・フォルミコアセチカム、クロストリジウム・マグナム、ブチリバクテリウム・メチロトロフィカム、アセトバクテリウム・ウッディ、アルカリバクルム・バッキ(Alkalibaculum bacchi)、ブラウティア・プロダクタ、ユーバクテリウム・リモスム、ムーレラ・サーモアセチカ、スポロミュサ・オバータ、スポロミュサ・シルバセティカ、スポロミュサ・スフェロイデス、オキソバクター・フェニジイ、及びサーモアナエロバクター・キブイからなる群から選択される、上記[19]に記載の方法。
Claims (13)
- 微生物発酵により少なくとも2,3−ブタンジオールとエタノールを生成するための方法であって、
CO、CO2又はCO2プラスH2のうちの少なくとも1つを含むガス状基質を、液体栄養培地中に少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の培養物を含むバイオリアクタに提供して、少なくとも2,3−ブタンジオールとエタノールを生成すること、および、
前記液体栄養培地中の少なくとも1つの栄養素の濃度を前記少なくとも1つの酢酸生成性のカルボキシド栄養性微生物の細胞要求を超える濃度まで増加させること
を含み、
前記栄養素は、ビタミンB1、ビタミンB5、ビタミンB7およびそれらの混合物からなる群から選択され、
ビタミンB5の濃度は、198〜4000μg/生成細胞1gに維持され、ビタミンB7の濃度は、100〜4000μg/生成細胞1gに維持され、B1の濃度は、20〜500μg/生成細胞1gに維持され、
前記栄養培地中の前記少なくとも1つの栄養素の濃度が増加すると、2,3−ブタンジオールの生成が増加する、方法。 - 2,3−ブタンジオールの前記生成は、少なくとも1日当たり10g/Lである、請求項1に記載の方法。
- 2,3−ブタンジオールの前記生成は、少なくとも1日当たり20g/Lである、請求項1に記載の方法。
- エタノール:2,3−ブタンジオールの比が、4:1〜1:1と様々である、請求項1に記載の方法。
- 前記少なくとも1つの酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム、及びアセトバクテリウムからなる群から選択される、請求項1に記載の方法。
- 前記少なくとも1つの酢酸生成性のカルボキシド栄養性微生物は、クロストリジウム・オートエタノゲナム、クロストリジウム・リュングダリイ、クロストリジウム・カルボキシディボランス、クロストリジウム・ドラケイ、クロストリジウム・コスカチイ、クロストリジウム・ラグスダレイ、及びアセトバクテリウム・ウッディからなる群から選択される、請求項1に記載の方法。
- 前記液体栄養培地中のビタミンB5の前記濃度は、200〜4000μg/生成細胞1gと様々である、請求項1に記載の方法。
- 前記液体栄養培地中のビタミンB5の前記濃度は、200〜3000μg/生成細胞1gと様々である、請求項1に記載の方法。
- 微生物発酵によるエタノール及び2,3−ブタンジオールの生成のための方法であって、
CO、CO2又はCO2プラスH2のうちの少なくとも1つを含むガス状基質を、液体栄養培地中にクロストリジウム・オートエタノゲナムの培養物を含むバイオリアクタに提供して、少なくとも2,3−ブタンジオール及びエタノールを生成することを含み、
ビタミンB5の濃度が、198μg B5/生成細胞1gの濃度を超えて2〜80倍の濃度に維持され、
前記栄養培地中のビタミンB5の濃度が増加すると、2,3−ブタンジオールの生成が増加することを特徴とする、方法。 - エタノール:2,3−ブタンジオールの比が、4:1〜1:1と様々である、請求項9に記載の方法。
- 微生物発酵によるエタノール及び2,3−ブタンジオールの生成のための方法であって、
CO、CO2またはCO2プラスH2のうちの少なくとも1つを含むガス状基質を、液体栄養培地中にクロストリジウム・オートエタノゲナムの培養物を含むバイオリアクタに提供して、少なくとも2,3−ブタンジオール及びエタノールを生成することを含み、
ビタミンB5の濃度が、200〜4000μg/生成細胞1gの濃度に維持され、
前記栄養培地中のビタミンB5の濃度が増加すると、2,3−ブタンジオールの生成が増加することを特徴とする、方法。 - エタノール:2,3−ブタンジオールの比が、4:1〜1:1と様々である、請求項11に記載の方法。
- 前記液体栄養培地中のビタミンB5の前記濃度は、200〜3000μg/生成細胞1gと様々である、請求項11に記載の方法。
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