| 1. | Salmonella typhimurium mammals microsomal enzyme test ames test
鼠伤寒沙门氏菌哺乳动物微粒体酶试验 |
| 2. | Urban water supply - determination of mutagenesis - salmonella typhimurium mammals microsomal enzyme test
城市供水致突变物的测定鼠伤寒沙门氏菌哺乳动物微粒体酶试验 |
| 3. | Construction and identification of recombinant attenuated salmonella typhimurium vaccine strain expressing helicobacter pylori urease subunit b
重组减毒鼠伤寒沙门氏菌的构建和鉴定 |
| 4. | For those reasons , the use of vaccines for treatment and prevention of h . pylori infection has been explored
而以减毒鼠伤寒沙门氏菌作为口服疫苗载体的h pylori疫苗由于其许多优点而倍受瞩目。 |
| 5. | Now many laboratories have used avirulent strains of s . typhimurium to deliver h . pylori antigens as a way of stimulating an immune response to those determinants
以鼠伤寒沙门氏菌标准株基因组dna作为模板，采用pcr的方法克隆了鼠伤寒沙门氏菌asd基因，经序列分析与文献报道一致。 |
| 6. | Plastic products which contain about 2 percent of the microbials display more than 99 % antibacterial activity against staphylococcus aureus , escherichia coli , saccharomyces albicans and salmonella typhimurium
添加1 % ~ 2 %的抗菌剂于塑料制品中得到了对金黄色葡萄球菌、大肠杆菌、白假丝酵母菌和鼠伤寒沙门氏菌抗菌效果均达到99 %以上的抗菌塑料制品。 |
| 7. | The deduced amino acid sequence of the epsp synthase from psedomonas fluorescens g2 was compared to epsp synthase from various species . it shares 30 % homology with the epsp synthases from e . coli and salmonella typhimurium in class i and is different from patent - protected mutational sites
将本实验获得的荧光假单胞菌g2epsp合成酶推导的氨基酸序列与class中大肠杆菌和鼠伤寒沙门氏菌来源的epsp合成酶同源性约为30 ，且不含有专利保护的突变位点。 |
| 8. | Dna and rna dot blotting revealed that the f gene was transcribed into mrna in the vero cells . there was expression of the f protein as shown by indirect immunofluorescent assay . the expression began at 48h post - infection and increased thereafter , as indicated by elisa
将真核表达质粒pcdna3 - f高压电转化dam和phop基因双突变的减毒鼠伤寒沙门氏菌zj111株( zj111 / pcdan3 - f ) ，并直接转染vero细胞，分别提取细胞总dna和总rna ， dig标记探针均可检测到阳性杂交信号。 |
| 9. | Three kinds of integron were detected from 7 s . typhimurium with a size of 638bp , 1913bp and 2013bp respectively . the products were cloned and sequenced . the results showed that they contained two aada2 gene , one dhfrxii gene associated with the resistance
序列分析表明，这7株鼠伤寒沙门氏菌的型整合子可分为三种类型，一种大小为638bp ，存在1个阅读框；另一种大小为1913bp ，含1个aada2 、 1个dhfr基因盒和1个阅读框；第三种大小为2013bp ，有1个aada2基因盒和1个阅读框。 |
| 10. | It did not cause any death or side effects on chickens orally dosed at or below 108 cfu . at week 2 after the 2nd immunization , no s . typhimurium cells were recovered from the spleen and liver . zj111 / pcdna3 - f showed high stability in vitro and in vivo even in the absence of ampicillin as determined by enzymatic digestion and pcr
上为了进一步探讨利用减毒鼠伤寒沙门氏菌为载体传递ndvdna疫苗的免疫原性，将zjlll pcdna3f菌株分别给3日龄非免疫鸡以10 、 fu 、 10 、 fu和10 、 fu的剂量进行首兔， 2周后h免， h免后4周攻击强毒株f 。 |
