In order to improve the productivity of β-glucanase, porous ceramic carrier and broken pumice were applied to immobilize recombinant Escherichia coli JM 109 ( pLF3), respectively. 分别以多孔陶瓷和浮石为载体吸附法固定重组大肠杆菌(EscherichiacoliJM109-pLF3)表达β-葡聚糖酶。
Objective To study the resistance of Klebsiella pneumoniae and Escherichia coli producing CTX-M type extended-spectrum β-lactamases ( ESBLs). 目的了解合肥市产CTX-M型ESBLs大肠埃希菌和肺炎克雷伯菌耐药性。
AIM: To optimize the pilot-scale fermentation procedure of E. coli producing tumor targeted human IFN-α 2a and to obtain high cell density and high level expression of the aim protein. 目的:优化大肠杆菌表达导向性人干扰素α2a的中试发酵工艺,以获得工程菌的高密度发酵和目的蛋白的高表达。
Results Twenty species, including Staphylococcus epidermidis, Escherichia coli, Staphylococcus aureus, α-Hemolytic streptococcus and Streptococcus pneumoniae, were cultured from the testing group. 结果实验组共培养出20种细菌,主要为表皮葡萄球菌、大肠埃希菌、金黄色葡萄球菌、甲型链球菌和肺炎链球菌等;
Construction of E. coli-Yeast Shuttle Plasmid 大肠杆菌-酵母穿梭质粒的组装
Studies on Induction Conditions of Recombinant Escherichia coli Encoding β-Galactosidase β-半乳糖苷酶重组大肠杆菌诱导表达条件的研究
Effects of Escherichia Coli with Different Activities of β-G on the Output and Quality of ECB β-G酶活性不同的大肠杆菌对体外培植牛黄产量与质量的影响
Therapeutic effect of ceftazidime in a rabbit model of peritonitis caused by Escherichia coli producing CTX-M-14 extend ed-spectrum β-lactamase 头孢他啶对家兔产CTX-M-14型超广谱β内酰胺酶细菌性腹膜炎的治疗作用
RESULTS: ① The extract from penicillium digitatum significantly induced the reverse mutation of E. coli ND-160; 结果:指状青霉提取物:①可明显地诱导ND-160菌株回复突变;
When E. coli BT ( Trp-accumulates anthranilate) was grown in medium containing an excess amount of tryptophan, the activities of tryptophan synthetase and anthranilate synthetase were not detected ( repressed). 在含有过量色氨酸的培养基中培养的大肠杆菌BT(Trp,积累邻氨基苯甲酸),没有色氨酸合成酶和邻氨基苯甲酸合成酶的活性(被阻遏)。
The neonatal meningitis is mostly produced by bacteremia of E. coli, but the mechanism of E. coli cross-ing brain-blood barrier composed by brain microvascular endothelial cells ( BMEC) is still unclear presently. 大肠杆菌性脑膜炎一般是由于细菌的血行播散引起的,但是,血液中的大肠杆菌如何穿过由脑微血管内皮细胞(BrainMicrovascularEndothelialCells,BMEC)组成的血脑屏障,目前还不很清楚。
Polymerization Status Analysis of Escherichia coli T-protein 大肠杆菌T蛋白的聚合状态分析
CONCLUSIONS There is no significant difference in bactericidal capability and antibacterial activity against E. coli among three β-lactam antibiotics, CTZ, IMP and MEP. 结论3种β-内酰胺类抗菌药物CTZ、IMP和MEP对大肠埃希菌杀菌能力及抗菌活性差异不明显;
The research on immune enhancement of escherichia coli DNA on mice against IFN-α antibody 大肠埃希菌DNA对小鼠抗IFN-α免疫应答的增强作用
The Influence of Various E. Coli β-glucuronidase Activity on the to Formation of Pigment Gallstone in Rabbits 不同β&葡萄糖醛酸酶活性大肠杆菌对胆红素结石形成的影响
Bioassay of Escherichia coli of expressing Bacillus thuringiensis δ-endotoxin gene against forest pests 表达苏云金杆菌δ-内毒素蛋白基因大肠杆菌对四种林业害虫作用的生物测定
The panD mutant of E. coli is β-alanine auxotrophy. 大肠杆菌panD基因突变体为β-丙氨酸营养缺陷型。
This test observed the inhibition of propolis against poultry P. multocida and Escherichia coli by double-plate method. 本文就蜂胶对禽源多杀性巴氏杆菌与大肠杆菌的抑菌作用进行了试验观察。
Morphological changes of Escherichia coli caused by β-lactam antibiotics β内酰胺类抗生素引起的大肠杆菌形态改变
Effect of the lexA gene of deinococcus radiodurans on the resistance of escherichia coli to γ-rays and MMC 抗辐射菌lexA基因对受γ射线照射和MMC作用的大肠杆菌敏感性的影响
Cloning and Expression of the HIV Protein Vif in Escherichia coli Cell-free System Vif基因体外表达载体构建及其在无细胞系统中的表达
Therefore, elucidating the molecular mechanism involved in E. coli crossing blood-brain barrier may provide targeting point for the prevention of neonatal meningitis. 因此,了解大肠杆菌穿过血脑屏障的分子机制可望为新生儿细菌性脑膜炎的防治提供新的干预靶点。
Study of interaction of E. coli single-stranded DNA-binding protein ( SSB) with its substrate, single-stranded DNA ( ssDNA), is very important for understanding its essential roles in replication, recombination and repair of DNA. 研究大肠杆菌单链结合蛋白(single-strandedDNA-bindingprotein,SSB)与单链DNA(single-strandedDNA,ssDNA)的相互作用对于了解其在DNA复制、重组和修复中的作用是非常重要的。
Study on unusual situation of E · coli by MUG quick-test MUG快速检验大肠杆菌中异常情况的分析
Construction of Engineering Escherichia Coli Accumulating β-Carotene 生产β-胡萝卜素大肠杆菌工程菌的构建
So the downstream purification was simplified, and the production cost was decreased. Both and natural T α 1 have the same amino acid composition, but T α 1 expressed from E coli is without acetylation in N-terminus. 以大肠杆菌表达的Tα1,与天然的Tα1具有相同的氨基酸组成,唯一不同的是N端缺少乙酰化修饰。
The culture and kinetics of pH-stat fed-batch culture in recombinant Escherichia coli for human tumor necrosis factor-α 恒pH葡萄糖流加方法培养重组大肠杆菌生产人肿瘤坏死因子-α及其动力学研究
Ampicillin-resistant Avian E. coli isolates shows that β-lactamase genes were not found within the integron structure nor were transferred by the integron in the conjugation experiment. 但是我们发现,在抗氨苄西林的禽源大肠杆菌中,整合子结构中没有p-内酰胺酶基因,并且通过接合试验也不能将耐药性传递。