dna vector 中文意思是什麼

dna vector 解釋
dna載體
  • dna : 1. deoxyribonucleic acid 【生物化學】去[脫]氧核糖核酸。2. deoxypentose-nucleic acid 去[脫]氧戊糖核酸。
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  1. Even so, by truncating hbv pres gene, we finally obtained some useful " " bailors ", either nontoxic or self - activating, and used them to fish dna fragments of hbv pres interacting protein ( s ) from an ad vector constructed human embryonic cdna library

    我們通過第回軍巨大學碩士學位論文對pres基因分段截短的方法,獲得了對酵母細胞即無毒性作用,又沒有自激活作用的「誘餌」 ,通過它在酵母雙雜交系統中篩選構建於ad載體的人胎肝。
  2. In our experiment, the specific fragment was amplified from transgenic bobwhite genome dna at annealing temperature 61 by using high - fidelity pfu dna polymerase and cloned into clone vector pgem - 7fz ( + ), then sequenced. the cloned sequence was completely identical to the sequence which was issued in genbank

    本實驗採用了高保真pfudna聚合酶,在退火溫度61條件下從轉基因bobwhite品種基因組dna中擴增出特異性片段,將此片段插入克隆載體pgem - 7fz ( + ) ,經測序和序列分析表明,所擴增得到的片段含有bar基因完整的讀碼框,並且序列與genbank中發表的序列完全一致。
  3. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板,用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增,得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上,篩選反向克隆,然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游,構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上,通過花粉管通道法轉化河套蜜瓜,共獲76顆瓜,並進行了硬度和含糖量的分析。
  4. This time, using cdna of zmcdc5 as template, we amplify a sequence by means of pcr technology. and then, using restrict endoenzyme and ligase, we conjunct the 0. 8kb length dna sequence in a expression vector, pet - 30a. after induction, expression and purification, we obtained a 35. 4kda truncated fusing zmcdc5 protein which contains 267aa ( 647 to 914aa in zmcdc5 ). with the purified protein, we got its antibody and testified the antibody by means of western blotting and dot blotting

    本實驗是以zmcdc5的cdna為模板,使用pcr獲得基因片段,再通過酶切連接,將得到的0 . 8kb的基因片段構建於pet - 30a表達載體上,經過誘導表達和純化,獲得zmcdc5的融合蛋白,其中包括了zmcdc5925個氨基酸中647 914共267個氨基酸殘基
  5. In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis

    擴增產物連接到pgem - teasy載體中,轉化大腸桿菌dh5菌株,篩選氨芐青霉素抗性菌落,提取質粒經酶切鑒定、 pcr分析以及確證性測序證明,所克隆的1500bp左右的片段含有完整的3abc基因,與國外參考序列相比,同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞克隆3abc基因至原核表達載體ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及序列分析,發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失,碰巧在3ab基因后形成一終止密碼子,但3ab基因的閱讀框架完整,選出含有3ab基因完整閱讀框架的陽性克隆,用iptg誘導表達,收集菌液進行sds - page電泳、 westernblotting分析,結果表明, 3ab基因在大腸桿菌中成功表達,其表達產物為分子量33 . 5ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。經薄層掃描分析,表達量占總蛋白量的26以上。
  6. We generated a recombinant eukaryotic gene expressing vector harboring a full - length hgh gene, 2. 4 kb genomic dna with four introns and the signal peptide sequence cloned to the eukaryotic gene expressing vector pcdna3. 0

    我們直接將含有4個內含子和自身信號肽的2 . 4kb全長人生長激素基因直接克隆至真核表達載體pcdna3 . 0 ,然後利用脂質體轉染家蠶bmn細胞,瞬時表達hgh 。
  7. Based on the structure and function analysis of hirudin, a potent thrombin inhibitor, and some platelet aggregation inhibitors, which contain the recognition sequence argglyasp as their functional motif, two chimeric antithrombotic molecules were designed by introducing rgd sequence to hirudin cterminus. these chimera genes were constructed by pcr and inserted into the expression vector pet21a, the constructs were confirmed by restriction enzyme digestion and dna sequence analysis. these recombinant plasmids were transformed into

    經限制酶消化和dna序列分析,證明兩種重組質粒與設計完全一致。由於rgd -水蛭素嵌合基因上游連接了金黃色葡萄球菌蛋白a spa的信號肽序列,在iptg誘導下兩種嵌合分子都獲得了分泌表達,表達產物主要集中在細胞周質空間。
  8. 4. the construction of middle - clone vector and expression vector the puc - cp and pgem - 7z plasmid were digested by kpnl and bamhi, and collected the digested cpti fragment and the pgem - 7z, then ligated by t4 dna ligase and formed the pgem - cp

    中間載體及表達載體的構建將puc - cp質粒和pgem ? 7z質粒,用kpni和bamhi酶切,分別回收cpti片斷和酶切后的載體片段,用t _ 4連接酶連接構建成中間載體pgem - cp 。
  9. At first. then eight a - amylase gene fragments were cloned with the genomic dnas as templates by routine pcr. following that, these gene fragments and plasmid vectors, pbluescript ii ks + and puc18, were cut by bamh i and kpn i. the prepared insert dna and vector dna were linked by t4 dna ligase

    利用vectornti6 . 0軟體,對所克隆的序列用相鄰接點法( neighborjoining州j ) method )進行多序列比對,分析其同源性,並構建基因進化樹。
  10. The recombinant plasmid puge dna and transfer vector pfastbacl dna were treated again in the same enzyme, were linked by means of t4 dna ligase and transformed into e. coli jm109 permissive cells, yielding recombinant transfer vector plasmid pfastbac - ge dna and were transformed into dhlobac containing vector bacmid

    將重組質粒pugedna與轉移載體pfastbacldna用bamhi和ecori雙酶切處理, t _ 4dna連接酶連接,用連接產物轉化大腸桿菌jm109感受態細胞,得到重組轉移載體質粒pfastbac - gedna 。
  11. To test the p7 promoter activity, a series of constructs were obtained by cloning the different dna fragments into the luciferase gene reporter vector pgl3 - b. when the constructs were transiently transfected into thp - 1 cells, luciferase activity assay showed that the core region of p7 promoter located at - - 165 bp

    第一部分的工作首先通過對人acat - 1基因p7啟動子序列進行5 '和3 ' -端的缺失的詳細分析,結果顯示最大報告基因轉錄表達活性位於- 612 - 165bp區段。
  12. Construction of an expressing vector for antisense rna - ribozyme chimeric dna sequence against tomato acc synthase gene and transformation of tomato

    核酶嵌合基因植物表達載體的構建及對番茄的轉化
  13. Culture of mg7 hybridoma cells and detection of antigen - binding affinity of mg7 mab by elisa 2. construction and identification of mg7 recombinant phage antibody library mrna was isolated from cultured mg7 hybridoma cells and converted into cdna ; the variable fragments of heavy and light chain were separately amplified and assembled into scfvs with a specially constructed dna linker by pcr. the scfvs dma was ligated into the phagmid vector pcantabse and the ligated sample was transfered into competent e. co / / tg1 to generate a bacterial form of mg7recombinant phage antibody library ; volume and recombinant ratio of the library were evaluated by means of bacterial colony counts and restriction analysis ( ecor i and hind iii )

    Mg _ 7重組噬菌體抗體庫的構建及鑒定從培養的mg _ 7雜交瘤細胞中提取並分離mrna ,反轉錄成cdna ;利用pcr分別擴增mg _ 7單抗的重鏈及輕鏈可變區基因,並通過? dna連接子將二者連接起來形成mg _ 7單鏈抗體基因;將mg _ 7單鏈抗體基因插入pcantab5e ;將連接產物轉化感受態tg1大腸桿菌,制備細菌形式的mg _ 7重組噬菌體抗體庫;通過菌落計數和限制性酶切分析( ecor和hind )評估mg _ 7重組噬菌體抗體庫的容量和重組率。
  14. The recombinant transfer vector pbacpak - hbmp was constructed by insertion of the hbmp coding sequences into the multiple cloning site of transfer vector pbacpak. 8. bmn cell line was co - transfected with pbacpak - hbmp plasmid and linearized baculovirus bacpak6 dna by dosper agent

    將克隆到的hbmp基因通過適當的酶切插入到轉移載體質粒pbac - pak8的多克隆位點中,獲得重組轉移載體質粒pbacpak - hbmp 。
  15. In this method, high fidelity dna polymerase ( pyrobesf * dna polymerase ) was used to ensure efficient and accurate amplification. after cloning and sequencing of the pcr products, one concatemer contains seventeen copies of grb ~ ast7 was attained. the grb - ast ? concatemer was cloned into pet22b expression vector

    先用t4dnapolymerase構建成模板,再通過高保真dna聚合酶( pyrobesttmdnapolymerase ) pcr進行擴增,從中得到一個含有17個拷貝的grb - ast _ 7的串聯體。
  16. To clone large and random dna fragments, the second generation of yac, pjs97 - pjs98 was modified as gene replacement vector in streptomyces

    4kb和1 . okb片段,而且還插入了勿,七刃j和spc心t廠抗性基因。
  17. Through primary pcr. and finally the recombinant dna fragments were cloned into the phagemid pcantab 5e vector and introduced into

    十五肽的接頭連在一起,並克隆到噬菌質粒pcantab 5e中,電擊轉化大腸桿菌tg1 。
  18. By recombinant dna techniques, the vp2 gene of gpv hi strain was fused in frame with 6his gene of prokaryotic expression vector pproex - htb. the recombinant expression plasmid of goose parvovirus vp2 gene pproex - htb - vp2 was transformed into e. coli dh5a and induced with iptg. sds - page analysis showed an induced expression product band about 72ku, which correspond to the sizes of vp2, reported in the literature

    利用dna重組技術,將其結構蛋白vp2基因亞克隆至原核表達載體pproex - htb , iptg誘導后成功表達出與預期大小相符的約72ku的融合蛋白,光密度掃描對表達產物進行初步定量,表明表達產物約占菌體總蛋白的14 。
  19. Firstly, the hyaluronate synthase ( has ) gene ( hasa ) was cloned into the cloning vector puc19 by pcr using the total dna sample of s. equi as template

    本文研究代謝工程理論,對本實驗室的一株ha生產菌( streptococcusequi )進行了ha合成與分解關鍵酶基因及功能的研究。
  20. Pad. hcv - c, pad. hcv - cel and pad. hcv - ce ! e2 were packed and screened by virus plaques technique, identified to be good infectivity and expressivity of inserted hcv structural proteins or fusional structural. in contrast to plasmid dna vector, adenovirus vectors appeared to be better immunizational effects and with the hope of being developed to be vaccine against hcv

    Hcv ceiez ,經鑒定具有較好的感染性,能較好的表達插入的hcv結構蛋白或融合結構蛋臼,與質粒dna載體相比,腺病毒載體具有更好的免疫效果,可望發展成為抗hcv感染的腺病毒載體疫苗。
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