質粒克隆應用 的英文怎麼說

中文拼音 [zhílōngyīngyòng]
質粒克隆應用 英文
plasmid cloning use
  • : 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)
  • : 克i 動詞1 (能) can; be able to 2 (克服; 克制) restrain; control 3 (攻下據點; 戰勝) overcome...
  • : 隆Ⅰ形容詞1 (盛大) grand2 (興盛) prosperous; flourishing; thriving 3 (深厚; 程度深) deep; in...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. In this paper, a field strain of infectious bronchitis virus was isolated from proventriculus tissue, morphological observation by electron - microscope and the biological characterizations of the virus were studied, pairs of specific primers are designed and synthesized in correspondence with them, according to the published sequences of infectious bronchitis virus three structural protein ( spike protein s membrane protein m nucleocapsid protein n ) genes, the cdna of si gene, s2 gene, m gene. n gene of ib v isolate lx4 were amplified by rt - pcr and full sequences were first reported

    在此基礎上,根據國內外已發表的ibv基因序列,分別設計特異性引物,不同引物進行反轉錄合成cdna ,分片段對ibv的主要結構基因進行pcr擴增,並分別將各個目的片段到puc19載體上,在大腸桿菌dh5中實現目的基因的分子,經藍白斑篩選、限制性內切酶分析、 pcr鑒定,篩選出重組陽性,並對各個目的基因片段進行序列測定,從而獲得ibv主要結構基因全序列。
  2. Thus, immunologists have sought smaller molecules with the antigen - recognition capability of antibodies. the variable domains of the heavy ( h ) and light ( l ) chains are sufficient for antigen recognition but the non - covalent complex of the two variable domains ( fv ) is unstable. it is possible to genetically engineer a single - chain fv ( scfv ) with the h chain v region connected to the l chain v region via a 15 amino acid linker composed of serine and glycine amino acid residues

    二、日本血吸蟲單杭獨特型抗體np30的單鏈狐( scf )的構建、表達及對balbic小鼠誘導保護性作研究l 、日本血吸蟲單杭獨特型抗體np0的單鏈抗體歸cfv )的構建、表達通過pcr方法體外擴增並經測序驗證的重鏈、輕鏈可變區( vh 、 vl )基因先後重組入原核表達ptha90相的位點上,中間通過一連接肽( gly在er ) 。
  3. Objectives to improve the effect of a single mtb8. 4 dna vaccine, we constructed a chimeric mtb8. 4 / hil - 12 eukaryotic plasmid by linkage of mycobacterium tuberculosis mtb8. 4 gene to human il12 gene with a simple linker ( gly4 - ser ) 3. we analyzed the immunogenicity of chimeric dna vaccine and investigated the immune responses elicited when mtb8. 4 / hil12 was presented as endogenous ag

    目的:以il - 12作為分子佐劑,與結核桿菌新抗原mtb8 . 4基因連接形成嵌合分子,將其到真核表達中,構建成嵌合dna疫苗,研究其在小鼠體內誘導細胞免疫答的效果及對c57bl 6n小鼠的免疫保護作,為尋求安全、有效、廉價的結核病新疫苗打下基礎。
  4. As well as in eukaryocyte ( hepg2 and cos - 7 ), then detect their antigenity as a basis study and explore of the choice of immunogen for preventive and therapeutic vaccines of hepatitis b. methods : the gene fragments coding 152aa ( si ) and 124aa ( s2 ) of the carboxyl terminus of hbsag were amplified by pcr from plasmid pecob6 with a pair of primers containing different endonuclease sites and were cloned into multiple cloning sites of plasmid pbks ( + )

    為乙型肝炎的預防和治療性疫苗免疫原的選擇進行初步的研究和探討。方法:本研究利聚合酶鏈反( pcr ) ,通過設計帶有不同酶切位點的一對引物,從pecob6特異性擴增hbsag蛋白羧基末端152個氨基酸( s1 )和124個氨基酸( s2 )的基因片段,分別將二者pbks ( + )的多位點,篩選重組
  5. Purpose 1 construction of prokaryotic high expression vector of human platelet factor 4 ( h pf4 ) 2 expression and purification of r h pf4 3 bioassay of r h pf4 methods according to the modulation character of eukaryotic protein expression in prokaryotic cells, we design a pair of particular primers, and construct a prokaryotic expression vector pbv220 - r hpf4 by dna polymerase chain reaction ( pcr ) and dna recombinant technic. the expression plasmid was identified with pcr and dna sequencing. pbv220 - r hpf4 was transformed into e. coli dh5a, bl21 ( de3 ) and induced by increasing the temperature to 42. we identified the expression protein by sds - page and western - blotting

    目的1人血小板因子4 ( hpf4 )原核高效表達的構建2重組hpf4的表達及分離、純化工藝研究3重組hpf4的特性研究方法根據原核細胞表達真核蛋白的基因表達調控特點,設計合成一對特異引物,在pt7 - 7 - rpf4表達的基礎上,聚合酶鏈式反( pcr )對其cdna進行改造,通過dna重組技術構建成重組hpf4原核表達pbv220 - rhpf4 ,快速pcr檢測法、 dna測序分析,鑒定重組hpf4表達的正確性。
  6. The interesting gene fragment with ecori and noti were amplified by overlapping pcr, which inserted into vector plasmid ppic9k after degisted by ecori and noti, and the recombinant plasmid was transformed into competent dh5cc. positive clones were screened by pcr from the lb plate with amp. digesting analysis resulte shows that the interesting gene were inserted into the vector ppic9k with correct direction

    目的基因經雙酶切后連接載體ppic9k ,然後導入大腸桿菌dh5中,在含氨卞青霉素( amp )的lb板上pcr反篩選出陽性菌落,雙酶切結果表明目的基因已插入載體中,且方向正確,測序結果進一步證明人巨細胞病毒重組基因表達成功地了目的基因片段。
  7. After electrophorised on 1 % agarose gel, the pcr production was purified with agarose gel dna extraction kit. the segment was ligated with vector pmd18 - t and then was tranformed into the competent cell of dh5 a. a construction mstnd - pmd18t was generated by inserting the sequence of 254bp into pmd18 - t vector and selecting the sense clones. positive clone was identified by three ways : endonuclease digestion, pcr and sequencing. the result showed that the cloned sequence coincides with the designed sequence. this construction was digested with nco i and xho i and ligated the pet28a ( + ) vector digested with the same enzymes using dna ligation kit. the production of ligation reaction was transformed into the competent cell of bl21 ( de3 ). after 12 - 16 hours of culture, several colnes appeared on the plate. some positive clones were selected to extract their plasmid. these plasmids were digested by nco i and xho i and indentified by pcr. a contraction, mstnd - pet28a was generated. the result showed that the cloned sequence coincides with the designed sequence

    F _ 1長38bp , r _ 1長36bp ,其它片段均40bp長, f _ 1和r _ 1片段兩端分別加上限制性內切酶nco和xho的識別位點序列。成對單鏈片段進行延伸反,然後其他單鏈片段作為引物,進行pcr擴增,dna快速純化回收試劑盒回收所得254bppcr產物,與pmd18 - t載體連接、轉化dh _ 5 。受體菌感受態細胞,利藍白斑遺傳學篩選法篩選陽性,提取其,採nco和xho雙酶切鑒定,獲得了254bp的片段;pmd18 - t載體上的特異引物rv - m和m13 - 47進行pcr鑒定,獲得300bp的片段。
  8. 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,表達量為35和38 ,可於基因工程診斷抗原。
  9. The high titer specific ndrg2 antibody is indispensable to reseach deeply the functions or the tissue and subcellular distribution features of ndrg2, ha order to prepare ndrg2 antibody, the whole ndrgl sequence was cloned into prset - a vector and two truncated sequences of ndrg2 were cloned into pgex - 4t - l vector. after induced by iptg, the fusion proteins were expressed in e. coli ; rabbits immunized with the whole length ndrg2 protein were reinforced with two shortened fragments of ndrg2 ; after immunization, rabbits produced high titer antiserum against ndrg2. then antisemm was absorbed using ndrg2 antigen immobilized on nc filters, the purified product of antiserum shows high special to ndrg2 protein, and the separated inclusion body of 6his - ndrg2 will be useful for the further reseach

    為制備高效價的ndrgz抗體,分別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原核重組表達,並在大腸桿菌中誘導表達出相的融合蛋白;全長gstjqdrgz蛋白免疫兔,然後gst ndrgz人和gstjqdrgze片段加強免疫,經免疫得到了較高效價的兔抗人ndrz多抗血清,利固定於硝酸纖維素膜上的ndrgz抗原親和吸附純化抗血清,提高了ndrgz抗體的特異性;並對包涵體形式表達的6his ndrgz進行初步的分離純化。
  10. [ methods ] by using the overall rna of our previously cultured human melanoma cell line ( a375 ), full length fasl gene is detected by rt - pcr. using the cdna as template, . the extracellular domain of fasl ( fasl - ecd, 127 - 278aa ) is amplified by pcr. the pcr products are directly cloned into t vector pmd - 18t

    L方法採新鮮人黑色素瘤細胞( a375 ) ,抽提該細胞的總rna ,進行rt一pcr反分析a375內fasl全長編碼基因的轉錄表達,以a375細胞cdna為模板,pcr產物直接法擴增人fasl一ecd (人fasl胞外區)的編碼基因,即127一278位氨基酸殘基,而後將pcr產物直接于pmd一1st載體中,獲得重組pmd一t - fasl一ecd ,進行dna測序。
  11. Applications of animal ' s growth hormone are mostly studied by means of protein type, up to now, no other reports about gh gene directly used in animals have been found except one paper about the transfection of human gh gene into mice. in this research, we studied the changes in the bullfrogs after they are separately injected with the recombinant bullfrog gh protein ( re - bfgh ), bullfrog gh plasmid ( vb / gh ), grass carp gh plasmid ( vgcgh ) and expression vector vr1020 while the 0. 85 % salt - water as the control, for the purpose to determine the possibility of that the eukaryotic expression plasmid vbfgh and vgcgh are expressed in adult bullfrogs and affect their growth rate and plasma gh. we hope the results will help developing a new approach to promote the animal growth

    本研究首次以兩棲動物牛蛙為研究對象,進行了其生長激素基因的以及原核表達與真核表達重組的構建、重組牛蛙gh蛋白的生物活性和免疫活性檢測以及重組蛋白制劑和核酸制劑的制備及其體內促長作等表達效研究,研究目的在於求證重組真核表達是否能在牛蛙中表達、其促長效是否強于重組bfgh蛋白,為探索重組生長激素真核表達能否替代重組gh蛋白作為動物促長基因制劑等研究奠定理論基礎。
  12. This study we acquired the coding region of hcv ns5b gene by pcr of hcv full length genome and construct the recombinant plasmid pegep n3 - ns5b ; with the different concentration of g418 in the culture medium, we think the selection concentration of g418 for hepg2 cell is 800 g / ml ; the recombinant plasmid was transfected into hepg2 cell by lipofectamine2000 cells containing stable transformants were selected by the ability of resistance to g418 and isolated with the limited dilution. the stably transfected cell line expressing ns5b - egfp fusion protein was obtained by the detection under fluorescence microscope and rt - pcr

    本研究首先從hcv基因組中擴增出nssb基因,構建了nssb基因與報告分子egfp (增強型綠色熒光蛋白)基因的融合基因真核表達pegfpn30 ;通過含有不同g418濃度梯度的培養液培養hepgz細胞,確定了篩選g4181作濃度為800pg ml ;利體法將該重組轉染hepgz細胞,經過有限稀釋法和g4壓力選擇,熒光顯微鏡和rtpcr檢測,獲得可穩定表達nssbegfp融合蛋白的hepgz細胞
  13. After the examination of pcr, one non - fluorescent cell clone had the same result as the plasmid ploxifn - a 1000bp product ; another non - fluorescent cell clone showed a 500bp product, a deletion reaction was thought to happen between the two lox sites in the genome under the reaction of cre recombinase so that the gfp gene and neo gene etc were cut

    經pcr檢測后,有一個不發光細胞擴增出了與對照ploxifn相同的約1000bp的條帶,表明發生了替換反;另一個不發光細胞認為是在cre重組酶的作下其內部自行發生了剪切作,剪切了gfp基因,從而只擴增出了載體序列和一個lox位點的約500bp的條帶。
分享友人