毒性突變菌 的英文怎麼說
中文拼音 [dúxìngtūbiànjūn]
毒性突變菌
英文
virulent mutant- 毒 : Ⅰ名詞1 (對生物體有害的性質或物質; 毒物) poison; toxin 2 (毒品) drug; narcotics 3 (姓氏) a s...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 突 : Ⅰ動詞1 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
- 菌 : 菌名詞1. (蕈) mushroom2. (姓氏) a surname
- 毒性 : [藥理學] toxicity; virulence; poisonousness毒性測定 toxicity test
- 突變 : 1 (突然急劇的變化) sudden change; change suddenly; transilience; accident; saltation; revulsion...
-
The aglycone, steviol, exhibited greater acute toxicity than stevioside in hamsters but not in rats. steviol was clearly genotoxic after metabolic activation, inducing forward mutations in bacteria and gene mutations and chromosomal aberrations in lung fibroblasts of chinese hamsters
甜菊醇經過代謝活化后,基因毒性明顯,可引致細菌產生正向突變,以及使中國倉鼠的肺纖維原細胞產生基因突變和染色體變異。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
將真核表達質粒pcdna3 - f高壓電轉化dam和phop基因雙突變的減毒鼠傷寒沙門氏菌zj111株( zj111 / pcdan3 - f ) ,並直接轉染vero細胞,分別提取細胞總dna和總rna , dig標記探針均可檢測到陽性雜交信號。For example, as a direct toxic effect, periodontal iruses and bacteria and their products ( endotoxins or enzymes, for example ) are toxic to surrounding cells and may directly induce mutations in tumor suppressor genes and proto - oncogenes or alter signaling pathways that affect cell proliferation or surial of epithelial cells
例如,作為直接毒性作用,牙周病毒和細菌及在細胞周圍其產生的毒性物質(例如,類毒素或酶類)可直接誘導腫瘤抑制基因和原癌基因突變或者改變細胞信號傳導通路從而影響上皮細胞增殖或存活。For example, as a direct toxic effect, periodontal viruses and bacteria and their products ( endotoxins or enzymes, for example ) are toxic to surrounding cells and may directly induce mutations in tumor suppressor genes and proto - oncogenes or alter signaling pathways that affect cell proliferation or survival of epithelial cells
例如,作為直接毒性作用,牙周病毒和細菌及在細胞周圍其產生的毒性物質(例如,類毒素或酶類)可直接誘導腫瘤抑制基因和原癌基因突變或者改變細胞信號傳導通路從而影響上皮細胞增殖或存活。Secondly, we compared the amino acid sequences of ses and constructed the three - dimension structure of sed by homology modeling method. on the basis of results of comparing the amino acid sequences and structure of sed iv with other ses, we chosen the n23, f45, l59, n61, 192 and f203 in sed as mutant residues
對金葡菌超抗原家族的氨基酸序列進行對比分析,首次運用同源建模的方法構建了sed的三維空間結構模型,比較sed與其它腸毒素超抗原結構的差異,對可能的活性位點進行預測,最終確定sed的n23 、 f45 、 l59 、 n6 、 192和f203位氨基酸為突變位點。The results suggested that eaggec hpi - positive strains expressed the ybt system, but the presence of hpi core part does n ' t mean ybt expression. 2. research on the function of ybtp, ybtq and ybtx genes in eaggec 17 - 2 ybtp, ybtq and ybtx genes from yen wa were cloned respectively and mutated, then inserted by a selectable substitution with chloramphenicokcaf ) gene in vitro
攜帶hpi毒力島的eaggec17毛ybtp 、 ybtq 、 ybtx基因功能研究克隆了小腸結腸炎耶爾森菌hpi毒力島一rr7和叩結構基因,在體外進行精確突變后,插入氯黴素抗性基因( cat )作為選擇性標記。分享友人