vector expression 中文意思是什麼

vector expression 解釋
矢量式
  • 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...
  • 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...
  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質粒轉入農桿菌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基因的工程煙草植株,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質。
  2. ( 2 ) at translation level plant mutual sequence of starting translation aaca was added to start codon of t - pa gene by pcr ampliation and plant expression vector pbet was constructed

    ( 2 )在翻譯水平上通過pcr擴增的方式在t - pa基因起始密碼子處添加了植物翻譯起始共有序列aaca ,構建了植物表達載體pbet 。
  3. Methods : an artificial gene for fl extracellular domain cdna was synthesized by using favored genetic codons of pichia pastroris. by inserting human fl extracellular domain cdna coding 156 amino acid resi dues into pichia pastoris expression vector ppic9k containing aox1 promoter and the sequences of alpha secreting signal peptides, a recombinant expression plasmid ppic9k - fl was constructed, and integrated into the alcohol oxidase region of the host genome

    為了提高外源基因的表達量,我們根據畢赤氏酵母偏愛密碼子人工合成了編碼fl胞外區156個氨基酸的cdna序列,目的序列被定向克隆到酵母分泌型表達載體ppic9k質粒上,構建ppic9k - fl表達質粒。
  4. The target gene was then subcloned into plasmid vector and induced by iptg for its expression. after that, the recombinant protein was purified and used for the identification and characterization of its immunogenicity. the effect of the induced specific ige antibody on the hepatic granuloma formation and fibrosis after challenge infection with schistosome cercariae was evaluated

    Niptg誘導表達,產物沉澱中於約45kda處顯見高合蛋白表達帶, westernblot分析表明,該蛋白帶可被篩庫血清中特異性lge抗體識別;而載體本身表達的26gst蛋白帶則否。
  5. 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。
  6. 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) 。
  7. 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。
  8. 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
  9. 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。
  10. Usin g a silkworm baculovirus expression vector system ( bevs ), a large amount of appa phytase was obtained ( up to 7710 per ml hemolymph )

    感染五齡家蠶后appa植酸酶的表達量達到平均每毫升血淋巴7710u 。
  11. 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。
  12. Construction of eukaryotic expression vector of human telomerase reverse transcriptase in immortalized hepatocytes

    構建永生化人肝細胞系人端粒酶反轉錄酶真核表達質粒
  13. 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 。
  14. Cloning of monomial promoter of actin1 gene and construction of plant expression vector

    1的克隆及植物表達載體的構建
  15. Analysis of reflection property of cube - corner retroreflector with vector expression

    用矢量方法分析角錐棱鏡的反射特性
  16. The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model

    這些成果包括:建立考慮了時間相關的方差矩陣和時空相關的最優插值演算法;對卡爾曼濾波演算法進行了svd簡化以及建立了顯式的狀態轉移矩陣;將t p實時衛星數據進行調和分析並與數值模型進行同化處理。
  17. The coordinate system of turning polyhedron movement was selected and its vector model was established by way of analyzing the vector, and based on that, the vector expression of describing turning polyhedron movement was deduced, then the vector formula of the relative movement and the vector formula of the path of the lathe tool were built

    摘要通過矢量分析,選擇了車削多面體運動的標架,建立了車削多面體運動的矢量模型,在此基礎上給出了描述車削多面體運動的矢量表達式,建立了相對運動的矢量公式和刀尖軌跡的矢量公式。
  18. In addition, we also focused on constructing a plant virus - based gene vector pvx to express ltb - st fused gene by means of agroinfection. the possibility of producing vaccine was probed through plant virus - based gene vector expression system

    同時本研究還通過構建ltb ? st融合基因pvx病毒表達載體,並用農感染法轉化植物,探索了暫態表達系統生產疫苗的可能性。
  19. Based on the lorentz transformation on especial condition, making use of coordinate transformation and matrix theory, the matrix expression and vector expression of lorentz transformation about two inertial frames that relative speeds orientation is random and isnt follow axes of ordinate are educed. 2figs., 3refs

    從特殊情況下的洛侖茲變換出發,利用坐標變換和矩陣理論,導出了兩個慣性系的相對運動速度取向任意,且不沿任一坐標軸洛侖茲變換的矢量表達式和矩陣表達式.圖2 ,參5
  20. From a property of the triangle a vector expression is deduced with two practical corollaries. here two proofs are presented

    摘要從三角形的一個性質中得出三質點質心滿足的一個向量表達式,並得到兩個有實用價值的推論,同時對上一性質給出兩個簡潔的證明。
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