質粒工程 的英文怎麼說

中文拼音 [zhígōngchéng]
質粒工程 英文
plasmid engineering
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中,通過液氮冷凍法將重組轉入農桿菌lba4404細胞中,然後採用葉盤法,在該農桿菌的介導下將pap基因導入普通煙草中,經過卡那黴素抗性篩選,最後獲得了轉pap基因的煙草植株,摩擦接種煙草花葉病毒( tmv ) ,與非轉基因煙草相比,能夠推遲癥狀表現達2月之久,說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白
  2. According to these problems, we adopt to the method of mending material, optimize to fermentation media and partly ferment condition. finally, we excogitate a kind of fermentation technology that is suitable for target gene efficiency expressed and is advantageous of product purified. with the plasmid pbv220 - ifnr, pbv220 - hgfa, pbv220 - hgfb, pbv220 - hpk5 that expresses serve as the model, adopting the biostat - c15l of b. braun company, utilize the method of mending material to ferment, through optimization fermentation media and optimization partly ferment condition ( ventilate quantity, stir speed, mend material speed ), eventually establishment a kind of fermentation technology that is suitable for target gene efficiency expressed and is advantageous of product purified

    以我室構建並穩定表達的重組pbv220 - - ifn 、 pbv220 - hgf 、 pbv220 - hgf 、 pbv220 - hpk5為模型,分別從不同的表達宿主菌中篩選出一種適合大規模生產的菌種bl21 ( de3 ) ,該菌株連續傳代100代表達不丟失,表達量穩定;採用b . braun公司的biostat - c15l自控發酵罐,運用分批補料技術分別進行四種菌的高密度發酵,通過優化菌發酵的培養基配方及優化部分發酵條件(通氣量、攪拌速度、補料速度) ,最終建立一種適于目的基因高效表達的高密度發酵藝模式。
  3. Sub - - clone of s, . / hbsag fusion gene : pbuescripts, . / hbsag and ppiczaa were digested separately by xhoi and xbai enzyme, and were linked under t4 dna ligase, ppiczaa s, / hbsag was constructed and transformed to e. coli

    Hbsag與ppiczaa載體分別經xhol和xbaln切,再在t4dna連接酶作用下進行連接,獲得菌表達型ppiczaas ; hbsag,轉化大腸桿菌t0p10細胞,經xhol和xbal與sacll和xbal酶切電泳,證實s ; 。
  4. The results indicated that the department had complied with the requirements of four key elements indicating the quality of indoor air as recommended by the environmental protection department, namely the intensity of carbon dioxide, air - borne dust particulate, radon and total viable count

    本局委託了機電署就本局位於稅務大樓的辦公室進行室內空氣素測量,結果顯示大樓的室內空氣素,符合環境保護署建議的四個空氣素主要成分的規定。這四種含量分別是二氧化碳、空氣微塵子、氡和總活菌素。
  5. Gfral was high expressed in e. coli after iptg induction. by ni2 + chelation affinity chromatography, the purified recombinant gfral protein were obtained. based on the evolutionary trace method, multiple sequence alignment and dendrogram construction were then carried out by the clustalx program and constructed a phylogenetic tree from a multiple sequence alignment for a protein family

    2 . gdnf的表達及其對pc12基因細胞的影響用本教研室已構建好的表達pet一gdnf轉化大腸桿菌bl21 ( de3 ) ,經lmmipto誘導gdnf表達,並在niz氣nta柱上進行純化,稀釋復性后,純度達90 %以上。
  6. Since the plasmid is capable of independent replication in host cells of many dicotyledonous plants, it has been used as a cloning vector in gnetic engineering

    在許多雙子葉植物中在寄主細胞中是獨立的復制單元,所以可以在基因中用作克隆載體。
  7. Vp3 gene of hl isolate of goose parvovirus derived from recombinant piasmid pproex htb - vp3 was subcloned into ecorl site of psy538, and the reporter gene lacz with promoter pll was cloned into smai site of recombinant piasmid. both vp3 gene and lacz gene were cloned into noti site of psy681, recombinan fpv transfer vector containing vp3 gene of gpv was obtained. the result is basis of construction of recombinant fpv expressing vp3 gene of gpv and gpv genetic engineering vaccine

    本研究另從含有gpvh1分離株主要結構蛋白vp3基因的重組pproexhtb - vp3中切取gpvh1株vp3基因片段,將其亞克隆于psy538的ecori位點,然後將帶有痘苗病毒啟動子p11的lacz報告基因平端克隆于上述重組子的smai位點,再用noti切下同時含有vp3基因和lacz報告基因的片段,再亞克隆于psy681的noti位點,構建出含有vp3基因的重組禽痘病毒轉移載體,為構建表達vp3基因的重組禽痘病毒從而制備gpv基因疫苗奠定了基礎。
  8. The experimental results show that there are few differences in the mechanical properties between normal concrete slabs and lightweight aggregate concrete slabs which are made by haydite as coarse aggregate. at the same time, the haydite concrete proved that it is available in practice

    試驗研究結果說明,以南寧市福民節能保溫陶製品廠生產的陶作粗骨料的輕混凝土板,其受力性能與普通鋼筋混凝土板沒有什麼差別,可以用於實際。
  9. Salmonella typhimuriwn, one of the invasive bacterial species, can be attenuated without loss of invasiveness and thus used for delivery of eukaryotic expression vectors into host cells in vivo. the recombinant plasmid containing the target gene is released inside the host cells and gain entry into the nucleus, resulting in expression of encoded antigens and subsequent induction of humoral and cellular immune responses

    沙門氏菌( salmonellatyphimurium )是一種較為常見的侵襲性胞內菌,通過基因方法減毒后對宿主致病性顯著降低,但仍保留良好的侵襲力,可直接將真核表達攜帶進入動物細胞內表達相應的蛋白而誘導特異性的免疫應答反應。
  10. The spreading gradation gravelly soil is a kind of clayey coarse - grained soil. it ' s also a soil - rock mixtures. it ' s often divided into fine material and coarse material by the save of 5mm and the granutometric composition affects its project characteristics directly

    寬級配礫土是一種粘性粗土,是天然土石的混合料,它通常以5mm為界被分為粗料和細料兩部分,顆組成是決定寬級配礫特性的主要因素。
  11. The spreading gradation soil analyzed in the article is a cohesive coarse soil. it ' s a kind of crude soil - rook mixtures. it ' s often devided into fine material and coarse material by the save of 5mm and the charge of the two contents affects its project quality directly

    本論文研究的寬級配礫土指的是黏性粗土,是一種天然的土石混合料,其顆組成通常以5mm為界分為粗料和細料兩部分,這兩部分組成含量的變化直接影響到它的
  12. And it should be ascribed to silt according to the view of its mineral composition, particles distribution, physical and mechanical indices. not only is the content of cla > relatively high, but also the exchange capacity of ion, chiefly high - electronvalent calcareous ion, is great. due to aggregations filled with pore among inter - particles, the soil has the engineering properties of silty clay

    從其礦物成分、顆分試驗及物理力學指標來看,它應歸屬于粉土,但由於土中的粘含量較高,且間充填集聚體,土的離子交換容量較大,交換陽離子以高價鈣離子為主,故其仍表現出粉粘土的特性。
  13. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎,同時也為三種芳香族氨基酸的基因菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達,所構建的重組ptga ,其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 , 5 、 4 、 2 . 3倍,且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中,搖瓶發酵證實比以往所構建的基因菌株具有較高的phe產量和糖轉化率率,分別為0 . 448 %和22 . 4 % 。
  14. In the study, several recombinant expression vectors were constructed in vitro by using the technique of gene engineering, making pheromone 3 be expressed under the control of different promoters and signal pcptides

    本研究利用基因的方法,體外構建重組表達,探索用不同的啟動子和信號肽序列表達八肋游仆蟲信息素3蛋白。
  15. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物熱解反應動力學微分方,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物的頻率因子和活化能參數,進而建立了各種生物的熱解動力學模型,為科學確定反應器的閃速熱解作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物中心達到全熱解的時間,在體視顯微鏡下對不同度的生物的長徑比進行了實驗觀察和測定,得出生物的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物傳熱過及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用力學、材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  16. Mutated plasmid was transformed into e. coli tg1 cells to produce engineered peptide, then the peptide was purified by cm sepharose ion - exchange column. in vitro bactericidal assay and drug withdrawal were used to identify the bioactivity of the engineered peptide. the planar lipid bilayer membrane was used to assay the electrophysiology of the engineered peptide. toxicity studies on mammalian cells were used to assay the toxicity of the engineered peptide

    將重組轉化入大腸桿菌tgi菌中,生產構建的多膚,離子交換純化后獲得多膚初步純化產物,體外抗菌試驗、藥物撤離試驗檢測多膚的抗菌活性,在人膜上測定其形成離子通道的特性以初步研究抗菌機理, ?並觀察其對真核細胞的毒性作用。
  17. Coarse grained soil is composed of sand and gravel, stone residual, blasted stones etc., which has a characters of less cohesive force among grains and strong ability of water penetration. it is a kind of soil of loose grain structure with better utilization properties in the engineering

    土是指砂礫石、砂卵石、石渣、爆破開採的石料等粗顆土石混合料,具有粗顆間粘結力小、透水性強的性,是一種鬆散的顆狀結構,具有良好的使用性能。
  18. The expression conditions of e2 gene in p. pastoris were optimized, the results indicated that the peak obtained after 72 hours ; pattern of inhibition / induction could improve expression level ; the best ph value were between 7. 5 and 8. 0 and the optimized methanol - induced concentration was 2 % - 3 % the e2 genes of the prevalent strain ( guangxi yulin strain ) and c strain derived from rabbit spleen tissue were amplified and cloned into e. coli the expression vector pproex - htb respectively, the recombinant plasmids pproex - gxyl and pproex - c were obtained and then were transformed into the dh5a e. coli competent bacteria respectively, the recombinant bacteria could express the major antigen region of e2 gene, the expression yields amount to 35 % and 38 % repectively

    豬瘟病毒ez基因的原核表達: pcr擴增出當前豬瘟流行野毒株,中國豬瘟兔化弱毒( c株)兔脾組織毒ez基因的主要抗原區,將其克隆到原核大腸桿菌表達載體pproex htb中誘導表達,經sds page檢測表明,重組能表達ez基因主要區蛋白, westernblot檢測表明,誘導表達蛋白與豬瘟陽性血清發生特異性反應,表達量為35和38 ,可用於基因診斷抗原。
  19. The selling engineer of our company has comprehensive professional knowledge to the production processes of users, before you order, we can sieve the medium according to users ' sieve machine type, production capacity, discharge demand of supplies factor is it analyse demand of you to come, so you can choose the rubber or the polyurethane ( pu ) to sift the surface material, we can also determine the grain size of sieving and sift the hole form accurately, this means screen mesh material of the company of square garden can produce the good economic benefits and social benefit

    我公司的銷售師對于用戶的生產過具有綜合的專業知識,在您定購前,我們可以根據用戶的篩機類型,篩分介,生產能力,排出物料的要求等因素來分析您的要求,因此您可以選擇橡膠或聚氨酯( pu )篩面材料,我們還可以精確測定篩分度和篩孔狀,這就意味著方園公司的篩網材料可產生良好的經濟效益和社會效益。
  20. Acetylornithine deacetylase is the key enzyme of producting l - methionine. we mainly do research work on the construction of acetylornithine deacetylase gene - engineering strain and characteristic of proteinase. in order to get high expression deacetylase strain, we obtain the gene by pcr arge gene. the product ( 2800bp ) was cloned into puc19 plasmid and confirmed with blue / white dot screening > restriction enzyme analysis and pcr. then taking the nucleotide sequencing compared with the sequence at blast of u. s. a. we constructed a high expression of gene - engineering strain - pxj 128 which containing the arge gene on the high expressing system of pxji18 with activity of acetylornithine deacetylase above 20000u / g

    為了獲得高效表達的脫乙酰鳥氨酸酶菌株,在菌技術改造及其固定化研究做了進一步的研究和探討。我們採用基因技術,通過pcr技術擴增出了酰化酶關鍵酶基因?脫乙酰鳥氨酸酶基因arge ,將其克隆到puc19載體中,經酶切鑒定、 pcr鑒定篩選出重組陽性,並測序鑒定,通過美國blast序進行了基因數據庫相似性比較分析。
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