CN108660124A - 一种基于核磁共振技术提高黑曲霉a-葡萄糖苷酶活力的方法 - Google Patents
一种基于核磁共振技术提高黑曲霉a-葡萄糖苷酶活力的方法 Download PDFInfo
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- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2408—Glucanases acting on alpha -1,4-glucosidic bonds
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- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/38—Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound
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- C12Y—ENZYMES
- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/0102—Alpha-glucosidase (3.2.1.20)
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- Enzymes And Modification Thereof (AREA)
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Abstract
Description
菌株和质粒 | 特征或遗传性状 | Source |
HE01 | 高产糖化酶 | 湖北立业公司惠赠 |
E.coliTop10F | galA1-NR、NR-galA2片段 | 本发明购建,用于研究目的可向公众公开 |
pGEMT-Vector | 氨苄青霉素抗性(AmpR) | 购自Promega |
菌株 | 特征或遗传性状 | 来源 |
HE01 | 产糖化酶 | 湖北立业公司 |
ΔgalA | 敲除galA基因 | 实施例1获得 |
metabolites | δ1H(ppm) | VIP | Coefficient(r) | Trend | |
β-Glucose(21) | 4.65 | 1.4 | 0.404086 | ↑ | |
α-Glucose(22) | 5.24 | 1.2 | 0.390302 | ↑ | |
Trehalose(20) | 5.2 | 3.0 | 0.570563 | ↑ | |
Alanine(6) | 1.48 | 2.4 | 0.490419 | ↑ | |
Glutamate(11) | 2.34 | 1.5 | 0.604946 | ↑ | |
Glycine(19) | 3.58 | 4.6 | -0.834894 | ↓ | |
Ethanol(4) | 1.17 | 8.9 | -0.930913 | ↓ | |
Acetate(7) | 1.92 | 1.3 | -0.475422 | ↓ | |
Sarcosine(13) | 2.74 | 4.1 | -0.563741 | ↓ | |
Betaine(18) | 3.28 | 1.6 | 0.528507 | ↑ | |
Choline(23) | 3.21 | 2.3 | 0.523754 | ↑ |
Trement | α-Glucosidaseactivities(mU/mL) | Glucoamylaseactivities(AGI/mL) |
Control | 117±0.5 | 796±15.7 |
Alanine | 167±2.1c | 846±28.4a |
Glycine | 176±2.5c | 899±30.8c |
Glutamate | 159±4.8c | 883±18.6c |
Valine | 105±0.9 | 782±25.3 |
Trement | α-Glucosidaseactivities(mU/mL) | Glucoamylaseactivities(AGI/mL) |
Control | 136±0.5 | 828±19.7 |
Alanine | 178±1.2c | 847±8.6 |
Glycine | 147±1.2c | 889±20.6c |
Glutamate | 167±1.2c | 869±8.6b |
Valine | 119±1.0 | 801±16.4 |
Claims (9)
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CN110823939A (zh) * | 2019-08-29 | 2020-02-21 | 中山大学 | 一种高效、快速检测α-葡萄糖苷酶活性的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103604A1 (en) * | 1982-03-16 | 1984-03-28 | Mars Incorporated | Improved rapid cooking foodstuffs |
CN104611313A (zh) * | 2015-01-19 | 2015-05-13 | 南京林业大学 | 一种β-葡萄糖苷酶及其制备方法与应用 |
CN107502575A (zh) * | 2017-09-20 | 2017-12-22 | 中国农业科学院农产品加工研究所 | 一株具有α‑葡萄糖苷酶高抑制活性的植物乳杆菌 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103604A1 (en) * | 1982-03-16 | 1984-03-28 | Mars Incorporated | Improved rapid cooking foodstuffs |
CN104611313A (zh) * | 2015-01-19 | 2015-05-13 | 南京林业大学 | 一种β-葡萄糖苷酶及其制备方法与应用 |
CN107502575A (zh) * | 2017-09-20 | 2017-12-22 | 中国农业科学院农产品加工研究所 | 一株具有α‑葡萄糖苷酶高抑制活性的植物乳杆菌 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110823939A (zh) * | 2019-08-29 | 2020-02-21 | 中山大学 | 一种高效、快速检测α-葡萄糖苷酶活性的方法 |
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