CN1500149A - 用于鉴别活性氧类物质清除剂的方法和试剂盒 - Google Patents
用于鉴别活性氧类物质清除剂的方法和试剂盒 Download PDFInfo
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Abstract
Description
菌株/质粒 | 有关特征* | 来源/参考 |
菌株根癌土壤杆菌A348AG6AG613CGI1大肠杆菌DH5a | 野生型A136(pTiA6NC)(章鱼氨酸型)A348衍生物,其中katA被GFP-标记的mini-Tn5转座子破坏,位于katA起始密码子下游995bp;KmR,GmR含有整合到染色体中的pXQ13的AG6(含有野生型katA和katA-gfp融合的单一拷贝);KmR,GmR,CbRC58衍生物,其中aopB被GFP-标记的mini-Tn5转座子破坏;KmR,GmRsupE Δlac(Δ80ZΔM15)hsdR recA endA gyrAthi relA | 实验室收集本研究本研究本研究BethesdaResearchLaboratories |
MT607质粒pTZ19RpSW172pXQ6pXQ7pXQ9pXQ11pXQ13pXQ15pXQ22pXQ23pXQ24pXQ25 | Pro-82 thi-I hsdR 17 supE44 endA1 recA56克隆载体,ColE1 oriV bla,AmpR广泛宿主的IncP质粒,含有Plac和下游聚连接序列,TcRpBluescript II KS(-),含有6kb ClaI DNA片段,该片段在katA基因含有mini-Tn5插入下游的序列含有5kb NruI DNA片段的pTZ19R,该片段在katA基因含有mini-Tn5插入上游的序列携带2.8kb XbaI-NheI片段的pSW172,该片段含有野生型katA,TcR携带2.3kb XbaI-NheI片段的pSW172,该片段含有在C末端缺失86个氨基酸的KatA,TcR携带来自pXQ9的2.8kb EcoR1片段的pTZ19R,该片段含有野生型katA,AmpR携带2.17kb XhoI-KpnI片段的pRSETA,该片段含有与(His)6框架内融合的全长KatA ORF,AmpR携带2.4kb XbaI-NheI片段的pSW172,该片段含有在C末端缺失50个氨基酸的KatA,TcR在ClaI与pXQ13连接的pSW172,含有野生型katA,AmpR携带来自pXQ9的2.8kb EcoR1片段的pTZ19R,该片段含有His98被Asp代替的katA,AmpR携带来自pXQ9的2.8kb EcoR1片段的pTZ19R,该片段含有Arg94被Gln代替且His98 | Finan,et al.,1986USBiochemicalChen andWinans,1991本研究本研究本研究本研究本研究本研究本研究本研究本研究本研究 |
pXQ26pXQ27pXQ28pXQ29pXQ30pXQ31 | 被Asp代替的katA,AmpR在ClaI与pXQ24连接的pSW172,含有His98被Asp代替的katA,AmpR,TcR在ClaI与pXQ25连接的pSW172,含有Arg94被Gln代替且His98被Asp代替的katA,AmpR,TcR携带来自pXQ9的2.8kb EcoR1片段的pTZ19R,该片段含有Ser5被终止密码子(TGA)代替的katA,AmpR携带来自pXQ9的2.8kb EcoR1片段的pTZ19R,该片段含有在katA ORF第二密码子缺失G碱基对的katA,AmpR在ClaI与pXQ29连接的pSW172,含有在katAORF第二密码子缺失G碱基对的katA,AmpR,TcR在ClaI与pXQ28连接的pSW172,含有Ser5被终止密码子(TGA)代替的katA,AmpR,TcR | 本研究本研究本研究本研究本研究本研究 |
菌株 | 所表达的蛋白质 | 过氧化氢酶活性(单位/108个细胞) |
AG6(pXQ23)AG6(pXQ9)A348AG6(pXQ26)AG6(pXQ11)AG6(pXQ27)AG6(pXQ22)AG6 | KatAKatAKatAKatA(98H/D)KatAΔ86KatA(94R/Q)(98H/D)KatAΔ50KatA- | 77145.5±440.33997.3±459.11486.2±149.5219.3±19.5b193.6±25.2c184.0±25.1c182.7±21.5c175.2±20.2c |
菌株 | H2O2(μM) | |
AB(pH 7.0) | IB(pH 5.5) | |
A348AG6AG6(pXQ9) | 0.12±0.030.41±0.080.10±0.02 | 0.13±0.021.16±0.140.09±0.01 |
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CN101189348A (zh) * | 2005-04-08 | 2008-05-28 | 普洛姆根公司 | 用于产生合成启动子的系统 |
CN108956540A (zh) * | 2018-05-01 | 2018-12-07 | 中国科学院大学 | 一种快速筛选电荷反转型阳离子基因载体的spr方法 |
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US20040063167A1 (en) * | 2002-07-12 | 2004-04-01 | Peter Kaastrup | Minimising calibration problems of in vivo glucose sensors |
US9580695B2 (en) | 2004-12-23 | 2017-02-28 | Philip Morris Usa Inc. | Reduction of tobacco-specific nitrosamines using genetic modification to elevate production of native antioxidants in tobacco |
US8647642B2 (en) | 2008-09-18 | 2014-02-11 | Aviex Technologies, Llc | Live bacterial vaccines resistant to carbon dioxide (CO2), acidic PH and/or osmolarity for viral infection prophylaxis or treatment |
EP2877043B1 (en) * | 2012-07-16 | 2018-12-05 | Clemson University Research Foundation | Use of novel food and feed antioxidants as preservatives in food and feed based on antioxidant enzymes extracted from animal blood |
WO2016205538A1 (en) * | 2015-06-16 | 2016-12-22 | Mayo Foundation For Medical Education And Research | Methods and materials for assessing hydrogen peroxide accumulation in cells |
CA3007307A1 (en) * | 2015-12-14 | 2017-06-22 | Basf Se | Enhanced fermentation |
US11129906B1 (en) | 2016-12-07 | 2021-09-28 | David Gordon Bermudes | Chimeric protein toxins for expression by therapeutic bacteria |
US11180535B1 (en) | 2016-12-07 | 2021-11-23 | David Gordon Bermudes | Saccharide binding, tumor penetration, and cytotoxic antitumor chimeric peptides from therapeutic bacteria |
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US5585252A (en) * | 1988-08-30 | 1996-12-17 | G. D. Searle & Co. | Enantio- and regioselective synthesis of organic compounds using enol esters as irreversible transacylation reagents |
US5589337A (en) * | 1992-07-06 | 1996-12-31 | The President And Fellows Of Harvard College | Methods and diagnostic kits for determining toxicity utilizing bacterial stress promoters fused to reporter genes |
WO1994017208A1 (en) * | 1993-01-21 | 1994-08-04 | President And Fellows Of Harvard College | Methods and diagnostic kits utilizing mammalian stress promoters to determine toxicity of a compound |
US5491084A (en) * | 1993-09-10 | 1996-02-13 | The Trustees Of Columbia University In The City Of New York | Uses of green-fluorescent protein |
CA2200702C (en) * | 1994-11-23 | 2000-12-05 | E.I. Du Pont De Nemours And Company | Lyophilized bioluminescent bacterial reagent for the detection of toxicants |
US5955275A (en) * | 1997-02-14 | 1999-09-21 | Arcaris, Inc. | Methods for identifying nucleic acid sequences encoding agents that affect cellular phenotypes |
AU760969B2 (en) * | 1999-02-23 | 2003-05-22 | Charles River Laboratories, Inc. | System and method for evaluating agents which prevent oxidative damage |
US6753146B1 (en) * | 1999-02-23 | 2004-06-22 | Eric F. Bernstein | System and method for evaluating agents which prevent oxidative damage |
US7585639B1 (en) | 1999-10-06 | 2009-09-08 | Trustees Of Dartmouth College | Methods for modulating ATP-binding cassette transmembrane reporter protein expression |
US20020015940A1 (en) * | 2000-03-29 | 2002-02-07 | Govind Rao | Method of gene expression screening |
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CN101189348B (zh) * | 2005-04-08 | 2014-07-09 | 普洛姆根公司 | 用于产生合成启动子的系统 |
CN108956540A (zh) * | 2018-05-01 | 2018-12-07 | 中国科学院大学 | 一种快速筛选电荷反转型阳离子基因载体的spr方法 |
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