fusion expression vector 中文意思是什麼

fusion expression vector 解釋
融合表達載體
  • fusion : n. 1. 熔解，熔化；【物理學】（核）聚變，合成。2. 〈美國〉融合；（政黨等的）合併，聯合。
  • expression : n 1 表現，表示，表達。2 詞句；語句，措辭，說法。3 表情，臉色，態度；腔調，聲調。4 【數學】式，符...
  • 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. The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form

    本研究的內容包括：一、在前人對抗菌肽cmiv研究的基礎上，對n端和c端進行氨基酸保守變換，設計和合成了該基因，充分使用大腸桿菌偏愛的密碼子，並將該基因5端與硫氧還蛋白基因3端融合，通過ptxfus表達載體獲得較高可溶性表達（在15 sds - page膠上可見明顯的表達蛋白帶） 。
  2. To investigate the consequence of this interaction, aes - rfp fusion protein expression vector was constructed and co - transfected into nih 3t3 cells with tle1 - gfp fusion protein expression vector. confocal microscopy observation showed that aes could interact with tle1 at the cytomembrane region. moreover, this interaction inhibited the concentration of tle1 into nucleus

    在構建了紅色熒光蛋白aes表達載體后，將其與tle綠色熒尤蛋白載體共轉染細胞，共聚焦顯微鏡觀察發現這兩種分子在胞漿中有共存現象，而且aes的表達可抑制tlei向胞核內的聚積。
  3. 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。
  4. Construction of p21 egfp fusion gene expression vector and its expression in hrpe cells

    15細胞乙型肝炎病毒復制的實驗研究
  5. Objective : construct high - level expression system of echistatin in e. coli methods : obtain amino - acid sequence of echistatin from genebank database. considering the bias of usage of 61 available aminoacid codons in e. coli, design the coding sequence of echistatin, synthesize the dna sequence chemically, get single copy coding gene and repeated two copy coding gene of echistatin. insert the sequence into expression vector pbv220, and more, we construct fusion expression clone of echistatin with pcr, identify the recombinant vector by dna sequencing

    目的構建蛇毒鋸鱗蝰素（ echistatin ）的原核高效表達體系方法由genebank數據庫檢索蛇毒鋸鱗蝰素（ echistatin ）的氨基酸序列，結合大腸桿菌蛋白質合成體系對氨基酸密碼子使用的偏愛性，設計了echistatin編碼基因，體外人工合成編碼基因dna片段，通過適當的限制性內切酶位點插入表達載體pbv220 ，分別構建了echistatin的單拷貝表達克隆、雙拷貝串聯表達克隆；進一步通過pcr技術構建echistatin的融合表達基因克隆。
  6. In the third part of the thesis, a chlamydomonas reinhardtii chloroplast expression vector, pactbvpl, containing the fusion of the foot and mouth disease virus ( fmdv ) vp1 gene and the cholera toxin b subunit ( ctb ) gene was constructed. transformation of c. reinhardtii chloroplast was achieved by biolistic bombardment with pactbvpl

    論文第三部分主要敘述了將o型fmdvvp1與強黏膜免疫佐劑霍亂毒素b亞基（ ctb ）的融合基因克隆重組到衣藻葉綠體表達載體中，並採用基因槍法轉化衣藻葉綠體，獲得了具有壯觀黴素抗性的轉化子。
  7. A human lymphotoxin deletion gene fragment which lacking n - terminal 27 amino acid residues of the protein was pcr amplified using a pair of designed primers and cloned into expression vector pet36b ( + ) to construct a fusion protein with cbd tag, resulting a recombinant plasmid pet36b - lt 27. the recombinant plasmid was transformed into host e. coli bl21 ( de3 ) plyss

    採用pcr的方法擴增出人淋巴毒素n端缺失27個氨基酸的缺失體基因片段，將此基因片段克隆至表達載體pet36b （ + ）上，與t7lac啟動子控制下的cbdtag構建成表達融合蛋白的重組質粒pe736b - lt 27 。
  8. This expression vector plbcas - hsa - lgl has the following advantages : i ) the 1. 7kb promoter is able to drive cell - specific and hormone - dependent expression ; ii ) the inclusion of intron - 1 can increase expression level of fusion genes ; iii ) the 5 ' utr of bovine p - casein mrna may have a positive role in both transcriptional and post - transcriptional regulation ; iv ) the gfp gene make the selection of positive clone among embryos possible ; v ) the gfp gene can be easily excised via cre - mediated recombination between the two loxp sites after the expression vector has been integrated into chromosome ; vi ) the two incompatible lox sites, loxp and lox2272, would facilitate cre - recombinase mediated cassette exchange ( rmce ), which in theory will leading to develop a technology of site - specific gene expression in animal mammary glands

    該載體的特點是：具有可以調控外源基因在乳腺中特異表達的牛-酪蛋白基因5 `端側翼區和包括第一外顯子及內含子在內的5 `端調控區；將人血清白蛋白cdna準確地置於牛-酪蛋白基因第二外顯子中的翻譯起始密碼子atg之後，而且沒有增加額外的序列和使人血清白蛋白cdna移碼；引入標記基因gfp ，便於在胚胎期鑒定陽性胚胎，減少受體；引入cre lox重組系統： （ ? ）標記基因gfp的兩端的兩個loxp位點可以在表達載體整合到基因組后，刪除標記基因； （ ? ）餘下的一個loxp位點可以和前面的lox2272位點組成cre重組酶介導的盒式交換系統。
  9. In order to further investigate the role of axudl in human tumor carcinogenesis and the potential association between the axudl gene expression status and the stimulation of transforming growth factor beta in human cancers, the present study was performed in three aspects as follows : ( 1 ) cloning full length enconding region cdna of axudl and construction of eukaryotic vector that expression the fusion protein of axud1 and influenza virus hemagglutin ha epitope tag ; ( 2 ) exploring the time and dose effects of tgf - 1 on the expression - of axudl gene in hepg2 hepatoma cells and spc - a1 lung carcinomas cells, and studying the effects of overexpression of axud1 on the expression of cell cycle and apoptosis related protein in hepg2 hepatoma cells ; ( 3 ) construction and expression of human axudl in e. coli m15. the following main results and conclusions can be obtained from the present study : 1. the full length ecnoding region of human axudl cdna from human peripheral blood lymphocytes was successfully cloned using one step rt - pcr method, and constructed into a eukaryotic expression vector which can be expressed a ha - axud1 fusion protein with axud1 and influenza virus hemagglutin ha epitope tag. the recombinant plasmid was identified by polymerase chain reaction, restriction endonuclease maping and sequencing, this expression vector might be instrumental to further study the function of axud1 protein in tumor cells

    為了進一步研究axud1在人類腫瘤發生中的作用及axud1基因的表達狀況與tgf -介導的信號通路的關系，本實驗研究分為三個部分： （ 1 ） axud1基因cdna全長編碼區的克隆和ha表位標記的axud1基因表達載體的構建； （ 2 ）探討肝癌細胞hepg2和肺腺癌spc - a1細胞中tgf - 1誘導的axud1基因表達的時間、劑量效應以及誘導表達的可能機理，並研究axud1的過表達對細胞周期和細胞凋亡相關蛋白表達的影響； （ 3 ） axud1原核表達載體的構建及其在大腸桿菌中的表達。本實驗的主要結果和結論如下： 1利用一步法rt - pcr成功地從人類外周血淋巴細胞中克隆出axud1基因編碼區cdna ，並將其構建入真核表達載體中，編碼的ha - axud1融合蛋白帶有流感病毒凝血素ha的表位標記肽段。
  10. Target gene was cloned into the procaryotic fusion expression vector pet28a ( + ), then subcloned into the eucaryote expression vector pcdna3. 1 ( + ) after sequence analysis

    將halr基因克隆到原核融合表達載體pet28a （ + ）上，序列分析后亞克隆到真核表達載體pcdan3 . 1 （ + ）上。
  11. In this study, vp7 gene and ctb - vp7 fusion gene expression vectors were constructed, and a high - efficient genetic transfomation system of carrot ( daucus carota l. ) was established. vp7 gene was amplified from cdna of rotavirus antigene by pcr and was inserted into expression vector pbi121 containing no gus gene

    本實驗以輪狀病毒的vp7為目的基因，構建了vp7基因的表達載體和vp7 - ctb融合表達載體；以胡蘿卜為受體材料，建立並優化了胡蘿卜的轉化體系，獲得了能正常轉錄vp7基因的轉基因胡蘿卜植株。
  12. Constructed the fusion protein expression vector of echistatin, . and identify it by dna sequencing. the vector can express echistatin fusion protein at a high level, the fusion protein molecular weight is about 16000 da in sds - page analysis, and the fusion protein consists more than 30 % of total protein, the fusion protein has specific antigen - antibody reaction with rabbit anti - echistatin polyclonal antibody. the fusion protein include : hpk5. his + 6tag, and echistatin. echistatin can be released by cnbr cleavage

    構建了echistatin融合蛋白表達載體，經dna測序鑒定正確后，溫控誘導表達，獲得了高效表達，表達產物經505一隊ge分析，分子量為16000oa ，符合預計的融合蛋白分子量，表達產物. ll 』菌體總蛋白的30 %以上， westem一blotting結果顯示，該日的蛋白能夠和echistatin多克隆抗體發生特異性抗原抗體反應，表明我們成功構建了eohistatin的高效融合表達克隆。
  13. After the pbd i and pbd ii gene ligated with the expression vector pinpoint ? a - 3, the recombinated plasmid ppd - 1 and ppd - 2 was transformed into jm109 strains, 4 positive clones were screened by restriction enzyme analysis, dna sequencing showed that two out of 4 positive clones inserted sequence of the constructed plasmid, which was the same as that of pbd - i and pbd - ii gene respectively, and its reading frame was correct, thus its could be used to express fusion protein

    將pbd - 、 pbd -基因與表達載體pinpoint ~ （ tm ） xa - 3連結后獲得的重組質粒ppd - 1 、 ppd - 2轉化于大腸桿菌jm109中。經抽提質粒、酶切分析及pcr擴增，分別篩選到4個陽性克隆，將其中二個陽性克隆由測序分析，證實1個含pbd i基因片斷， 1個含pbd 11基因片斷，且閱讀框正確，可用於融合蛋白表達。
  14. So, we subcloned emt - 1 gene into the prokaryotic fusion expression vector prsetb and generated a 24ku protein

    為此將emt l氨基末端基因克隆入融合表達載體prsetb中，轉化大腸桿菌bl 21 ，經iptg誘導，表達his6 emt l融合蛋白，表達產物分子量約為24ku 。
  15. Purification of the recombinant expressed endostatin in this work we have successfully cloned mouse endostatin gene, and constructed pbv220 - endostatin expression plasmid that is a non - fusion expression vector. the positive pbv220 - endostatin was transformed into dh5a, and expressed mouse endostatin protein successfully. this study is the basis of the endostatin gene - engineering production

    本文成功克隆鼠內皮抑素基因，構建了內皮抑素基因的原核表達載體pbv220一endostatin ，該載體為非融合性表達載體，將pbv22o一endostatin成功轉化到大腸桿菌表達菌dh5a中，並誘導表達了鼠內皮抑素蛋白，為基因工程方法生產內皮抑素奠定一定基礎。
  16. The total rna was extracted from human normal kidney tissue and the cdna fragment of hnadcs was produced by rt - pcr, then was purified and inserted into pgem - t vector. after dna sequenc - ing, pgem - hnadcs was digested with ecor i and sal i, and ? the dma fragment was subcloned into the ecor i and sal i sites of the fusion expression vector ( pgex - 5x - 1 )

    從正常人腎組織中提取總rna ， rtpcr擴增hnadc3抗原表位區cdna片段，產物克隆至pgem嚇載體，測序正確后，將hnadc3抗原表位區dna片段再次亞克隆至pgex融合表達載體，構建重組質粒pgex十nadc3 。
  17. On the base of construction of pbi121vp7, we constructed the fusion gene expression vector pbi121ctbvp7 by the same sigle cloning site ( ndei and xbai ) of vector puc19ctb and pbi121vp7

    設計具有ndei和saci單限制性酶切位點的vp7基因引物，通過pcr擴增出vp7基因並經測序驗證。
  18. By yeast two - hybrid assay, aes was found to interact with gp130 intracellular region through its conserved q domain. results from the yeast two - hybrid assay, gluthione s - transferase fusion protein pull - down assay and immuno - co - precipitation assay indicated that the q domain of tle1 is capable of binding gp130 intracellular domain, and the intracellular membrane proximal region of gp130 containing conserved boxl and box2 motifs seemed essential for this interaction. to investigate the consequence of this interaction, tle1 - gfp fusion protein expression vector was constructed and co - transfected into nih 3t3 cells with gp130 expression vector

    在通過酵母雙雜交分析確定aes通過q結構域與sp130分子胞漿區結合的基礎上，為確定tle1分子是否也能通過保守的q結構域與gp130分子胞漿區結合，我們通過pcr擴增編碼gp130胞漿區與tleq分子不同結構域的cdna ，構建了含有這些不同結構域的酵母雙雜交載體，通過酵母雙雜交分析證實： tle1分子通過其氨基端的q結構域與gp130分子胞漿區近膜段結合。
  19. The yeast recombinant expression vector pplc3. 5k - ndrg2 was constructed, then the ndrg2 protein was expressed in soluable form in pichia. after purification by metal chelate affinity chromatography, we get 6his - ndrg2 fusion which be nature in structure and will be useful to reseach its functions in future

    為研究ndrgz的結構與功能，構建了ndrgz的酵母融合表達質粒，並在比赤酵母中得到可溶形式的表達；利用金屬螫合親合層析純化出了6his融合的ndrgz蛋白。
  20. In this study, pichia pastoris system had been utilized for expression of fmdv 2c3abc gene which aimed for establishing a sensitive and specific molecular dignosis method. first, 2c and 3abc genes were amplified individually from p2 and 3abc postive clones and ligated together using pcr method, then this 2c3abc product was cloned into pgem - t easy vector and transformed e. coli dh5a competent cell. a postive recombinant plasmid which contained whole 2c3abc gene had been confirmed by pcr, enzyme digestion and sequencing. after that, the 2c3abc gene was sub - cloned into ppiczaa expression vector and transformed e. coli dh5 a competent cell and selected by zeocin ? antibiotic. the postive recombinant expression vector was linerized and electro - transformed pichia pastoris smd1168 competent cell. a recombinant pichia pastoris had been obtained by zeocin ? antibiotics selection and induced with 0. 5 % methanol for target protein expression. the expression product was analysised by sds - page and western blotting assay. the result sh owed that 2c3abc gene was expressed successfully in pichia pastoris and the product was a 95ku fusion protein which could be recognized by anti - fmdv serum. the amount of target protein was over 15 % of the total bacteria protein by gel thin layer scanning analysis. this research had supplied materials for establishing a fmd diagnosis method to differentiate infected animals from vaccinated animals

    首先，用p2和3abc陽性克隆通過連接pcr方法獲得目的基因並將其克隆到pgem - teasy載體上，並轉化e colidh5a感受態細胞中，經pcr 、酶切以及測序證明得到了完整的2c3abc基因，並與國內外參考序列進行比較分析。然後，將目的基因亞克隆于ppiczaa表達載體並轉化大腸桿菌dh5a ，以zeocin ~ （ tm ）抗性篩選陽性克隆，大量提取重組表達質粒並用pme酶線性化后電轉化入畢赤酵母smd1168感受態細胞，通過zeocin ~ （ tm ）抗生素梯度濃度篩選，獲得重組酵母用0 . 5甲醇誘導表達，通過sds - page電泳、 westernblotting分析，結果表明， 2c3abc基因在畢赤酵母中成功表達，其表達產物為一95ku的融合蛋白，並能被口蹄疫病毒陽性血清識別。
分享友人
分享到 Line

分享到臉書