JP7019926B2 - セルラーゼとキシラナーゼとを生産するための変異株クロストリジウム・サーモセラムおよびその調製方法 - Google Patents
セルラーゼとキシラナーゼとを生産するための変異株クロストリジウム・サーモセラムおよびその調製方法 Download PDFInfo
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- C12N9/2405—Glucanases
- C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
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- C12N9/2477—Hemicellulases not provided in a preceding group
- C12N9/248—Xylanases
- C12N9/2482—Endo-1,4-beta-xylanase (3.2.1.8)
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- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
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- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01008—Endo-1,4-beta-xylanase (3.2.1.8)
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Description
[表1]野性型および様々な条件のUV光で遺伝子が組み換えられたクロストリジウム・サーモセラムKK8.3のセルラーゼ活性とキシラナーゼ活性との比較
[表2]クロストリジウム・サーモセラムKK8.3野性型および変異株のセルラーゼおよびキシラナーゼ活性の比較
[表3]野性型および変異株クロストリジウム・サーモセラムM2_15-C8によって生産されたセルロース分解酵素およびキシロース分解酵素における酵素活性
[表4]野性型および変異株クロストリジウム・サーモセラムの細胞の外側へのタンパク質および酵素の輸送に関連したセルロース分解酵素およびキシロース分解酵素ならびにタンパク質の生産に関連した遺伝子
Claims (9)
- 紫外線誘発遺伝子組換えから得られるセルラーゼとキシラナーゼとを生産するための変異株クロストリジウム・サーモセラム(Clostridium thermocellum)であって、
前記変異株クロストリジウム・サーモセラムがクロストリジウム・サーモセラムM2_15-C8であり、受託番号NITE BP-02390である、変異株クロストリジウム・サーモセラム。 - 炭素源における請求項1に記載の変異株クロストリジウム・サーモセラムの培養工程を含む、セルラーゼとキシラナーゼとの生産方法であって、炭素源に対する細菌の比が、24~96時間、55~65℃の範囲の温度下で炭素源1gに対して細菌が0.1~1.0gの範囲である、生産方法。
- 炭素源に対する細菌の前記比が炭素源1gに対して細菌が0.2~0.5gの範囲である、請求項2に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記炭素源がセルロース粉末、稲わら、バガスまたはそれらの混合物から選択される、請求項2に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記炭素源がバガスである、請求項4に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記生産方法が60℃の温度で行われる、請求項2に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記生産方法が48~72時間の範囲で行われる、請求項2に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記生産方法が約72時間行われる、請求項7に記載のセルラーゼとキシラナーゼとの生産方法。
- 前記生産方法が嫌気的条件下で行われる、請求項2~8のいずれか1項に記載のセルラーゼとキシラナーゼとの生産方法。
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TH1701003165 | 2017-06-07 | ||
TH1701003165A TH1701003165A (th) | 2017-06-07 | "แบคทีเรียดัดแปลงพันธุกรรมสายพันธุ์ (mutant strain) คลอสทริเดียม เทอร์โมเซลลัม (Clostridium thermocellum) สำหรับผลิตเอนไซม์เซลลูเลส และไซลาเนส และวิธีผลิต เอนไซม์ดังกล่าว" | |
PCT/TH2018/000028 WO2018226170A2 (en) | 2017-06-07 | 2018-05-30 | Mutant strain clostridium thermocellum for producing cellulase and xylanase and preparation method thereof |
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JP7019926B2 (ja) * | 2017-06-07 | 2022-02-16 | ピーティーティー グローバル ケミカル パブリック カンパニー リミテッド | セルラーゼとキシラナーゼとを生産するための変異株クロストリジウム・サーモセラムおよびその調製方法 |
CN110540982B (zh) * | 2019-09-30 | 2021-11-02 | 江南大学 | 一种提高梭热杆菌纤维素酶酶活的发酵方法 |
CN111848757B (zh) * | 2020-07-27 | 2022-03-04 | 齐鲁工业大学 | 一种适用于低钙离子浓度的纤维小体对接蛋白组合突变体36862及应用 |
CN114807067A (zh) * | 2022-03-31 | 2022-07-29 | 苏州聚维元创生物科技有限公司 | 一种可以分泌漆酶的工程菌株及其构建方法与应用 |
CN114854655B (zh) * | 2022-04-22 | 2023-10-24 | 苏州聚维元创生物科技有限公司 | 一种可以高效分泌木聚糖酶的工程菌株、构建方法与应用 |
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JP2012034690A (ja) | 2010-07-14 | 2012-02-23 | Toray Ind Inc | 変異型βグルコシダーゼ、バイオマス分解用酵素組成物および糖液の製造方法 |
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JP2016208852A (ja) | 2015-04-30 | 2016-12-15 | 味の素株式会社 | 脂肪酸を生成する緑藻改変株 |
JP2017035001A (ja) | 2013-11-19 | 2017-02-16 | 花王株式会社 | 耐熱性キシラナーゼ |
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JPS6229974A (ja) * | 1985-07-30 | 1987-02-07 | Kubota Ltd | キシラナ−ゼ及びその製造法 |
WO2012088467A2 (en) * | 2010-12-22 | 2012-06-28 | Mascoma Corporation | Genetically modified clostridium thermocellum engineered to ferment xylose |
BRPI1102151A2 (pt) | 2011-05-11 | 2014-03-04 | Cetrel S A | Processo e sistema de produção de biogás a partir da digestão anaeróbia de biomassa vegetal em fase sólida |
EP2782998B1 (en) | 2011-11-22 | 2018-01-10 | Novozymes Inc. | Polypeptides having beta-xylosidase activity and polynucleotides encoding same |
JP7019926B2 (ja) * | 2017-06-07 | 2022-02-16 | ピーティーティー グローバル ケミカル パブリック カンパニー リミテッド | セルラーゼとキシラナーゼとを生産するための変異株クロストリジウム・サーモセラムおよびその調製方法 |
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JP2010051295A (ja) | 2008-08-30 | 2010-03-11 | Japan International Research Center For Agricultural Services | クロストリジウム属菌並びにセルロソームを含むセルラーゼ及びヘミセルラーゼの製造方法 |
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CN111386341A (zh) | 2020-07-07 |
DE112018002933B4 (de) | 2020-11-05 |
CN111386341B (zh) | 2023-09-15 |
JP2020523019A (ja) | 2020-08-06 |
WO2018226170A3 (en) | 2019-03-07 |
SG11201911796QA (en) | 2020-01-30 |
WO2018226170A2 (en) | 2018-12-13 |
US20210079434A1 (en) | 2021-03-18 |
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