plasmid vector 中文意思是什麼

plasmid vector 解釋
質粒運載體
  • plasmid : 質粒;原核質體
  • 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. In addition to avermectins, s. avermitilis produces oligomycin, a strongly toxic compound. gene deletion vector pxl05 was used to disrupt oligomycin polyketide synthase ( pks ) encoding genes ( olma ) in streptomyces avermitilis cz8 - 73, the producer of anthelmintic avermectins b and the cell growth inhibitor oligomycin. olma gene cluster in the chromosome was displaced by deletion allele on the plasmid via double crossover

    本研究以產阿維菌素b和寡黴素的阿維鏈黴菌cz8 - 73為出發菌株,構建了基因缺失載體pxl05 ,並將其轉入cz8 - 73中,通過缺失載體和染色體之間的同源雙交換,對染色體上長達90kb的寡黴素聚酮合酶( pks )基因簇( olma )進行了缺失。
  2. 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。
  3. 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。
  4. 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。
  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. 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 。
  7. Cut off beta fragment from plasmid prok. ii with hindlll and ecor i as insert, and cut pa into linear plasmid as vector fragment. link the insert and vector fragment together with t4 ligase, and the new vector with gene beta and gus was constructed

    用hind和ecor雙酶切prok質粒,獲得beta基因片段作為插入片段,用hind和ecor雙酶切a質粒作為載體片段,將插入片段與載體片段相連,即構建成含有beta和gus的雙基因載體。
  8. 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。
  9. 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 。
  10. The results shows that the vitro expressed protein of n gene by recombinant plasmid vector in the e. coli maintains anigenicity of tgev the recombinant protein was purified acconiing to the vector self characteristic ( hisk a polyhishdine tag introduced at the amino - acid terminus of the nucleoprotein allowed for the purification of protein by nickel - chelate dsity chromataography we explored all possibilities of pedcation and gained the modified purification method. several conditions, which include diffend ph buffer and concelltheion of imidazole, were selected to purify recombinan nucleorotein

    根據載體pproexhtb含有( his ) 6特點,將融合蛋白進行純化,在純化過程中經各項條件的探索,確定為在裂解液中含有1mmpmsf的條件下,分別經過2倍體積的buffera和bufferb洗脫后,再收集ph5 . 9 ,含有80mmol / l咪唑的1倍體積bufferc洗脫液,可得到純化的融合蛋白。
  11. 3. the effect of sporulation - independent promotor on toxicity of natural strain in order to study the effect of sporulation - independent promotor ( p3a ), p3a was spliced with the cry1c gene, then inserted into the shuttle vector pht304, and then recombinated plasmid pbmb827 was obtained. after transferring pbmb827 into strain ybt - 1520, it was surprising that the transformants had almost no potency against all lepidopteran larvae tested

    3非依賴芽胞形成icp的cry3a啟動子( p _ ( 3a ) )對野生菌株特性的影響帶p _ ( 3a )和cry1c基因的重組質粒pbmb827轉入ybt - 1520 ,轉化子對所測昆蟲的毒力下降非常明顯,芽胞和晶體也很難脫落。
  12. In order to express alkaline protease gene ( ap gene ) in bacillus subtil is, the recombinant expression plasmid was constructed. this plasmid contains a promoter bp53, also from b. pumilus un - 31 - c - 42, ap gene and the shuttle vector psugv4. after introduced into b. subtilis wb600, the transformants displayed the hydrolyzed zone on milk plate

    將來自短小芽抱桿菌un一31一c礴2的基因啟動子( bp53片段)和脫毛蛋白酶全基因( ap )進行融合,然後將重組基因(命名為bpap )插入到大腸桿菌-枯草桿菌穿梭質粒載體psugv4中,構建成表達質粒psu一bpap 。
  13. Using a pair of special primers, whole sequence of m gene of b95 were amplified by rt - pcr and be sequenced after being directly inserted in plasmid vector pbluescript sk

    結果表明: b95m蛋白基因全長1232bp ,共編碼364個氨基酸,其中堿性氨基酸有47個,酸性氨基酸有30個,等電點為9
  14. A method to construct 12 kb plasmid vector

    重組質粒載體的方法
  15. Result, we succeed in doing t - pa gene from fetal lung and construct a sort of eukaryon expression plasmid vector with pcdna3. 1 ( + )

    結果:成功地從胎兒肺組織中克隆了t - pa基因,並構建了以pcdna3 . 1 ( + )為載體的真核表達質粒載體。
  16. The recombinant plasmids pbmb121l, pbmb9821l and pbmb986l were constructed after transferring bacillus thuringiensis icps gene crylaal, crylaclo and crylca from their original plasmid vectors to different plasmid vector. the relevant recombinant strains were obtained after introducing the 3 recombinant plasmids into bacillus thuringiensis plasmid - free mutant strain 8mb 171 by electroporation. the transformation and expression properties of 8mb 171 were studied

    通過將蘇雲金芽胞桿菌殺蟲晶體蛋白基因cry1aal 、 cry1ac10和cry1ca轉移至不同質粒載體上,分別構建了重組質粒pbmb121l 、 pbmb9821l和pbmb986l ,並分別導入無質粒突變株bmb171 ,篩選得到攜帶相應icps基因的重組菌株。
  17. Rynai - w and xynb1 were all cloned into the plasmid vector ppic9 q, and were all overexpressed in pichia pastoris gs l 1 5

    將xynb1序列克隆進酵母表達載體ppic9上,在畢赤酵母gs115中得到高效特異性表達。
  18. 4 we observed that t cell vaccine activity could be greatly improved through immune - sensibilization to mice with hcv adenovirus vectors or plasmid vector before t - cell vaccine induction, and adenovirus vectors proved to be superior to plasmid vector

    在誘導t細胞疫苗之前,用v腺炳毒載體或質粒載體討小鼠進廳免疫致敏,可以明顯提高t細胞疫苗的活性;其中腺病毒載體的免疫致敏效果要明顯好於質粒載體。
  19. Put this fusion gene under the control of the promoter of ie1 gene, and then an eucaryotic cell expression plasmid vector pgem / ie1 " - gfp - actin resulted

    將該融合基因置於ie1基因啟動子的控制之下,構建成了真核表達質粒pgem ie1 - gfp - actin 。
  20. Two primers were desighed and synthesized. xynbj coding nature protein of xynb have been cloned by pcr. then xynd1 - s nyna ] - w and xynb1 were all cloned into the plasmid vector pet - 22b ( + ), and were all expressed in e coli

    將此序列克隆進表達載體pet - 22b ( + )上,在大腸桿菌bl21 ( de3 )中也得到特異性表達,並有正常的生物學活性,證明了基因xynb1的生物學功能。
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