recombinant plasmid 中文意思是什麼

recombinant plasmid 解釋
重組質粒
  1. First, to construct a recombinant plasmid pegfp - c - fos with c - fos promoter and egfp, and then transfect it into human bladder transitional cell carcinoma biu - 87 cell ; second, based on the changes of the expression of gfp in the biu - 87 cell which induced by the aconitine and hab toxins, the concentration of the hab toxins could be detected

    目的:構建一個含c - fos啟動子和egfp報告基因的pegfp - c - fos重組質粒載體。體外轉染膀胱癌biu - 87細胞后,利用赤潮毒素作用后細胞表達綠色熒光蛋白的變化來檢測赤潮毒素,初步建立一種以細胞為基礎受體水平的赤潮毒素檢測方法。
  2. The pcr product was inserted into expression plasmid pet - 32a ( + ) after restriction digest. then the recombinant plasmid was identified by endonuclease analysis, pcr ampliation and dna sequencing. the report showed that the recombinant plasmid had right open reading frame

    重組質粒經酶切鑒定, pcr鑒定和測序,結果證實豬肺炎支原體黏附因子p97基因的抗原決定簇r1區定向插入了質粒pet - 32a ( + ) ,且閱讀框架正確。
  3. Study of the expression of exogenous augmenter of liver regeneration recombinant plasmid in liver tissue of rat

    外源性肝再生增強因子重組質粒在大鼠肝組織中的表達研究
  4. 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 。
  5. The transformants were cultivated and the harvested cells were used in the procedure of conjugation by which the recombinant plasmid pid03 and pc05 were introduced into streptomyces avermitilis s - 2 respectively

    經過在mym平板上的傳代和抗性標記的篩選分別得到了同源雙交換的菌株aved24和avecg 。
  6. 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。
  7. Israelensis recombinants, which contained recombinants plasmid pmt4 and pmt9 respectively, were obtained by electroporation. the bioassay results showed that the recombinants b - pmt9 and b - pmt4 had toxicities both to resistant and susceptible c. quinqnefasciatus larvae during vegetative growth stage, having the lc ? o values similar to that of. fi. sssii - 1. however, the toxic levels of the final sporulated cultures of recombinants b - pmt4 and b - pmt9 differed, with a lcso value of 2 49mg / ml for b - pmt9 and little toxicity for b - pmt4 by using the plasmid pmt9, m txl gene from b. sphaericus was ligated with p20 and cytjaa gene, giving recombinant plasmid pmpx2

    含有pmt9和pmt4的大腸桿菌轉化子能表達產生mtx1毒素,發酵液對敏感和抗性致倦庫蚊幼蟲具有中度毒殺作用;含有pmt9和pmt4的蘇雲金芽孢桿菌轉化子b - pmt9和b - pmt4在營養體生長階段對敏感蚊幼和抗性幼蟲也具有毒性,毒力與野生型b . sss - 1相當,而不同轉化子在芽孢形成期的毒力因插入的mtx1基因轉錄方向不同而表現出差異,其中b - pmt4對目標蚊幼毒力極低( lc _ ( 50 ) 10mg ml ) ,而b - pmt9對蚊幼蟲具有毒性( lc _ ( 50 ) = 2 . 49mg ml ) 。
  8. 97 % identities in amino acids respectively. the e. coli strain dh5 transformed recombinant plasmid phn was induced with 0. 6 mmol / m iptg for n gene expression. the expressed product was identified by sds - page and westem - blot test, a fusion protein about 47ku as we expected was found

    將含有重組質粒phn的菌株dh5在37條件下培養,以濃度為0 . 6mmol / liptg誘導,重組質粒n基因phn融合蛋白獲得了表達:經sds - page , western - blot試驗,確定其表達的融合蛋白產物大小為預期的47ku 。
  9. After the recombinant plasmid pcdna3. 1 / ts87 was identified by digestion of hindlll and bamh i, it transformed into cos7 by lipofectamine. expression product was identified by immunohistochemical method, sds - page and western - blot. the immunocytochemistry result has shown that specific brown - staining grains were found in the cytoplasm of cells transformed by recombinant plasmid versus not seen in cells transformed by pcdna3. 1 or normal cells ; the sds - page result has revealed that a band about 3 8kb was found in cell lysis transformed by recombinant plasmid versus not in cells transformed by pcdnas. l or normal cells ; the western - blot result has showed that only the band about 38kd was recognized by sera from rabbit infected by t. s artificially and sera from rabbit immunized with soluble antigen of t. s and with protein expressed by ts87 gene and by a monoclonal antibody of t. s

    通過細胞的免疫組化,細胞裂解物的sds - page電泳, westem - blot分析檢測目的基因的表達情況。免疫組化結果顯示:重組質粒轉染的細胞質中有棕褐色顆粒,而空載體轉染細胞及正常細胞無此現象;細胞裂解物sds - page電泳結果顯示:只有重組質粒轉染的細胞在約38kd處有明顯的蛋白帶,這與理論計算的ts87基因表達蛋白的分子量為38kd基本一致; western - blot分析結果顯示:約38kd的蛋白帶能夠分別被旋毛蟲感染兔血清,成蟲蟲體可溶性抗原免疫兔血清, ts87基因原核表達蛋白免疫兔血清( ts87血清)以及一株具保護性的旋毛蟲單抗特異識別。
  10. Construction of recombinant plasmid pires2 - egfp cck and its expression in hamster

    質粒的構建及其在倉鼠體內表達
  11. It has been reported that the eiav s2 is not essential and does not appear to affect virus infection and replication in vitro. thus, we introduced a his - tag into the s2 gene of an eiav infectious molecular clone recombinant plasmid ( pok8266 ) by using soe pcr method and obtained a new recombinant plasmid with his - tag, designated as eiav - pok8. 2 - his

    本研究應用已構建好的eiav驢白細胞弱毒疫苗株的感染性分子克隆載體( pok8266 )為模板,通過soepcr方法在感染性分子克隆載體的s2基因獨特區內引入突變點,形成含有酶切位點( nspv )的突變體( p1p4 ) 。
  12. After linerization, the recombinant plasmid was transformed into pic hia pastoris by electroporation, which then were cultured in md plate free of histidine, from which the positive colones were propagated

    重組質粒線性化后,用電擊法將重組質粒轉化入巴氏畢赤酵母,在缺組氨酸的md板上篩選陽性菌落,然後用不同濃度的g418 ? ypd板篩選多拷貝插入單菌落。
  13. By blasting the homologous sequences in genbank databases, the sequence of grass carp gh cdna from pituitary is 98 % homologous compared with the previously cloned gh cdna of grass carp. the cgh cdna fragment was inserted into pgex - 4t - l to construct the expression plasmid. the recombinant plasmid was digested by bamh i and ecor i to identify whether the cgh cdna fragment was inserted into the plasmid, the pgcgh was transformed into e. coli bl21 competent cells

    將得到的序列在genbank和embl數據庫中進行了同源比較,結果顯示:本研究克隆到的草魚gh基因與genbank中登記的x60474草魚gh基因有12個堿基的差異,編碼的氨基酸有3個氨基酸殘基的差異,同源性為98 ,影響蛋白質高級結構的保守二硫鍵為2個。
  14. Salmonella typhimuriwn, one of the invasive bacterial species, can be attenuated without loss of invasiveness and thus used for delivery of eukaryotic expression vectors into host cells in vivo. the recombinant plasmid containing the target gene is released inside the host cells and gain entry into the nucleus, resulting in expression of encoded antigens and subsequent induction of humoral and cellular immune responses

    沙門氏菌( salmonellatyphimurium )是一種較為常見的侵襲性胞內菌,通過基因工程方法減毒后對宿主致病性顯著降低,但仍保留良好的侵襲力,可直接將真核表達質粒攜帶進入動物細胞內表達相應的蛋白而誘導特異性的免疫應答反應。
  15. Bp23 celb genes, b. pwnilus endoglucanase and b. polymyxa beta - 1, 4 - endoglucanase " genes, respectively. it was recognized as a new gene encoding for endoglucanase of b. mega terium. the recombinant plasmid tvchi ( pmd18 ~ t inserted with chitinase encoding gene from aplls ) and e. coli - bacillus shuttle vector physooplk were digested by ecori and sail completely, and the chitinase gene was ligated with shuttle vector, and the recombinant vector was used to transform b. megaterium ap25 competent cell

    平板拮抗實驗同野生菌株相比,轉化子對麥長蠕抱菌的抑制作用最明顯,抑制百分數最高可達33 . 3 % ,而apll3和ap25分別是23 . 1 %和25 . 6 % ,同時轉化子對小麥紋枯病菌、棉花立枯病菌、棉花枯萎病菌和小麥的全蝕病菌也具有較為明顯的抑制作用。
  16. By genetic engineering methods, ureb gene and ureb - hspa fusion gene were amplified by pcr and cloned into a prokaryotic expression plasmid ptrc99a - asd, and identified recombinant plasmid was then

    口服、鼻飼免疫balb / c小鼠,在腸液和血清中可以分別檢測到針對hpylori的特異性分泌型iga和址g抗體。
  17. Pcr product was cloned to the downstream of gst gene according to the right open reading frame ( orf ) in pgex - 6p - l vector, and e. coli bl21 was transformed by the recombinant plasmid for expression

    Pcr產物經純化、酶切后,按正確的閱讀框架定向克隆到表達性載體pgex - 6p - 1中谷胱甘肽轉移酶( gst )基因的下游。
  18. Therefore, blys, its receptor or related antagonists may find medical utility in the treatment of b cell disorders associated with autoimmunity, neoplasia, or immunodeficiency syndromes. in this study, epo signal peptide sequence and hsblys gene were linked by soe method. the fusion product was cloned into eukaryotic plasmids. pcdna3, pcdna3. 1, pefneo, respectively. meanwhile, the epo signal peptide sequence was mutated so as to form a restriction enzyme cut site : bin i. thus the recombinant plasmid can be used as secreting plasmid expressing other gene

    本實驗通過3 』端互補,進行引物延伸合成epo信號肽序列:信號肽和hsblys基因採用重疊延伸拼接法形成融合基因;融合基因分別插入pcdna3 . 0 、 pcdna3 . 1 、 pefneo真核載體:引物延伸合成信號肽時,利用亮氨酸同義密碼,將信號肽基因的倒數第二個密碼突變,在重組載體上的信號肽序列之後,形成bln酶切位點,使三種載體成為分泌表達載體。
  19. Based on a 3. 1kb pst i fragment of genomic dna of a wild s. avermitilis, a 1. 5 kb apramycin resistance fragment was inserted into sph i site of avec gene in the 3. 1 kb fragment, then a recombinant plasmid pc05 was obtained by introducing above inactivated avec fragment into mcs region of phjl401. competent cells of et12567 were transformed by recombinant plasmid pid03 and pc05 respectively

    以含有avec基因的3 . 1kb基因組dnapsti片段為基礎,將1 . 5kb的安普黴素抗性基因片段插入到avec基因中的sphi酶切位點,再將此插入失活的avec基因片段連接到具有接合轉移功能(含有orit基因)的鏈黴菌-大腸桿菌穿梭質粒phjl401的多克隆位點區,由此得到重組質粒pc05 。
  20. Multicopy integrants were screened with g418 from pichia pastoris which contains recombinant plasmid, and induced with methanol to secrete interesting peptide. the supernate of pichia pastoris culture was analysed by sds - page and western blotting. a reactive band, which the apparent molecular weight is 36kd, can be detected with sheep anti - hcmv polyclonal antibodies

    重組質粒轉化巴氏畢赤酵母, g418篩選出多拷貝插入的單克隆,甲醇誘導多拷貝插入的單克隆酵母細胞分泌目的蛋白,培養液上清經sds - page電泳分析,在蛋白質印跡中檢測到培養液上清有一表觀分子量為36kd ,能與羊抗hcmv多克隆抗體發生發應的條帶。
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