dna recombinant plasmid 中文意思是什麼

dna recombinant plasmid 解釋
重組質粒
  • dna : 1. deoxyribonucleic acid 【生物化學】去[脫]氧核糖核酸。2. deoxypentose-nucleic acid 去[脫]氧戊糖核酸。
  • recombinant : n. 【遺】重組器官,復合器官。
  • plasmid : 質粒;原核質體
  1. 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。
  2. 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 。
  3. The recombinant transfer vector pbacpak - hbmp was constructed by insertion of the hbmp coding sequences into the multiple cloning site of transfer vector pbacpak. 8. bmn cell line was co - transfected with pbacpak - hbmp plasmid and linearized baculovirus bacpak6 dna by dosper agent

    將克隆到的hbmp基因通過適當的酶切插入到轉移載體質粒pbac - pak8的多克隆位點中,獲得重組轉移載體質粒pbacpak - hbmp 。
  4. By recombinant dna techniques, the vp2 gene of gpv hi strain was fused in frame with 6his gene of prokaryotic expression vector pproex - htb. the recombinant expression plasmid of goose parvovirus vp2 gene pproex - htb - vp2 was transformed into e. coli dh5a and induced with iptg. sds - page analysis showed an induced expression product band about 72ku, which correspond to the sizes of vp2, reported in the literature

    利用dna重組技術,將其結構蛋白vp2基因亞克隆至原核表達載體pproex - htb , iptg誘導后成功表達出與預期大小相符的約72ku的融合蛋白,光密度掃描對表達產物進行初步定量,表明表達產物約占菌體總蛋白的14 。
  5. The pbacph - egf plasmid dna was used to co - transfect bmn cell with the modified bombyx mori baculovirus bm - bacpak dna, which was first linearized by aocl. after two rounds of plaque isolation, the recombinant virus ( named bmbacph - egf ) was further verified with pcr and dot hybridization. the recombinant bmbacph - egf virus was used to infect bmn culture cells at a moi of 10

    重組轉移載體dna與經bsu36i酶切線性化的修飾型病毒bm - bacpakdna共轉染家蠶bmn細胞,兩輪空斑篩選和純化,獲得重組病毒rbmbacph - egf ,經pcr擴增、 dna點雜交等方法鑒定證實重組病毒中已正確插入ph - egf融合基因。
  6. 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 。
  7. Kurstaki strain hd73, were inserted into two copy sets of res sites. the res sites have same direction. when - the recombinant plasmid was introduced into crystal negative b. thuringiensis host bmb171, antibiotic resistance genes and other non - 5, thuringiensis dna can be selectively eliminated after the selection by antibiotic resistance marker

    將crylac10基因或壯觀黴素基因和蘇雲金芽胞桿菌的質粒復制起始區oril030連接在一起,置於兩個同向的解離區之間,再將基因操作中所必需的大腸桿菌質粒復制起始區和抗生素標記基因等與之相連構成解離載體。
  8. In this study, we designed a pair of primers based on the sequence of the upstream and downstream of chicken il - 2 gene. about 600 bp chicken il - 2 cdna fragment was cloned from cona - stimulated chicken splenocytes by reverse transcription - polymerase chain reaction ( rt - pcr ) and was subcloned into puc18 vector. recombinant clone was demonstrated by restriction enzyme digestion and dna sequencing. next, we construct recombinant plasmid pproex ? t - il - 2. the cdna of chicken il - 2 gene was subcloned into bamh i / hind iii sites of vector. the recombinant plasmid pproex ? t - il - 2 was transformed into e. coli dh5a and the bacteria was induced with iptg. it was demonstrated by sds - page and western blot that a 18kda protein which was equal to chicken il - 2 protein in molecular weight was expressed in e. coli dh5a. the expression level was up to 30 % of the total bacterial proteins. the purified protein was used to prepare the antibody against chicken il - 2 protein

    經酶切鑒定及dna序列測定,該基因為雞il - 2基因,其序列與sundick等報道的完全一致。在此基礎上,我們把雞il - 2基因亞克隆到大腸桿菌原核表達載體pproex ~ ( tm ) ht中,構建重組表達質粒並進行確證性序列測定,重組質粒測序結果表明將編碼雞il - 2成熟蛋白的基因正確地插入到原核表達載體pproex ~ ( tm ) ht的目的位點。重組質粒轉化受體菌dh5後用iptg於37進行誘導培養, sds - page和westernblot分析顯示,表達的雞il - 2融合蛋白分子量約為18kda ,表達的融合蛋白經薄層掃描發現目的蛋白表達量約占菌體蛋白的30 。
  9. 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 )原核高效表達克隆的構建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表達質粒的基礎上,應用聚合酶鏈式反應( pcr )對其cdna進行改造,通過dna重組技術構建成重組hpf4原核表達質粒pbv220 - rhpf4 ,用快速pcr檢測法、 dna測序分析,鑒定重組hpf4表達質粒的正確性。
  10. Then, the plasmid was transformed into jm109. the full length pstvd cdna recombinant plasmid was further identified by restriction mapping analysis and the nucleotide sequence of cdna cloned in pmd 18 - t vector was analyzed with ab1 377 dna sequence. test showed that the cdna of this chinese pstvd isolate was the same as pstvd - kf - 6 mild " type " isolate which originated from naturally infected potatoes in field of cornell university potato breeding program

    利用rt - pgr技術,設計一對引物,對田間採集的經鑒定含pstvd的陽性樣品進行全序列擴增,並將所得產物純化回收,連接到pmd18t - vector中,並轉化至大腸桿菌jm109中,挑選白斑進行雙酶切( saci / ecorv )鑒定證明插入片段為359bp大小,進行序列測定,所得克隆基因為pstvd全序列負鏈,大小為359bp 。
  11. First, the purified pezzis and pcr product of angiostatin are digested by ecor. i and xba i. after purifying the digested products respectively, we ligate these two kinds of dna by t4 dna ligase and construct the recombinant plasmid pezz18 - as. then transform it to the competent e. coli dh5a

    用限制性內切酶ecori與xbai對目的基因as 、表達載體pezz18行雙酶切,酶切產物純化后利用大腸桿菌t _ 4dna連接酶連接構成重組子pezz18 - as ,並轉化e . colidh5 ,經氨芐青霉素lb平板初篩后,以菌液pcr和重組子的單、雙酶切行進一步鑒定。
  12. The results were as following : 1. construction and identifcation of recombinant plant expression vector pbi ! 2i - th by dna recombination technology, sweet protein thaumatin gene was cloned into plant expression vector pbii2i. recombinant plasmid pbii2i - th was constructed successfully by enzyme cutting and electrophoresis

    甜蛋白thaumatin基因植物表達質粒pbi _ ( 121 ) - th的構建與鑒定利用dna重組技術,將植物甜蛋白thaumatin基因克隆至植物表達載體pbi _ ( 121 )中,通過酶切、電泳,鑒定thaumatin基因已成功構建到植物表達質粒pbi _ ( 121 )中。
  13. After digested with ecori and noti, the obtained dna fragment was linked with ppic9k by t4dna ligase and then the recombinant plasmid was transformed into competent dhscc. after positive transformants were sieved out by pcr, digesiting analysis and sequencing were also used to confirm the positive result more

    所得的dna片段經ecor和not雙酶切後用t _ 4dna連接酶與ppic9k載體進行連接,然後導入大腸桿菌dh5 ,用pcr法篩選陽性轉化子,並用雙酶切和序列測定方法鑒定重組質粒。
  14. The gene encoding tannase was amplified from the total dna of aspergillus oryzae by pcr and was expressed in e. coli and pichia pastoris. the gene was insered in the expression plasmid pse380. the recombinant plasmid pse380 - tan was transformed into e. coli strains dh5a, top10, bl21 ( de3 )

    本論文以米麴黴aspergillusoryzae的總dna為模板, pcr擴增了單寧酶基因( tan ) ,並分別嘗試了利用大腸桿菌( escherichiacoli )和巴斯德畢赤酵母( pichiapastoris )進行表達。
  15. In order to express the recombinant peptide of both gp52 and pp150 oterminal peptides from human cytomegalovirus ( hcmv ), which seem to show good antigenicity. recombinant dna technology was used to construct recombinant plasmid, which was transformed into the pichia pastoris to express the interesting peptide

    為了表達人巨細胞病毒( humancytomegalovirus , hcmv )中抗原性較強的兩段蛋白片段? gp52c末端和pp150c末端的嵌合肽,用基因工程技術構建適于酵母表達系統的重組表達質粒。
  16. Sequence analysis shows that they share 98. 75 % similarity at the dna, and 98. 67 % at the protein level. ns2 gene was cloned into the multiple cloning sites of prokaryotic expression vector pgex - 6p - l. the recombinant plasmid pgex - 6p - ns2 was constructed and transformed to the competent cell bl21 ( de3 ) plyss, positive bacterium strain was induced by iptg

    將ns2基因插入到原核表達性質粒pgex - 6p - 1的ecor 、 bamh多克隆位點之間,將重組原核表達質粒pgex - 6p - ns2轉化到bl21 ( de3 ) plyss感受態細胞中,獲得了表達ns2基因的陽性亞克隆重組子,在含amp的lb液體培養基中培養,經iptg誘導表達,用sds - page分析表達產物。
  17. A dna fragment was amplified from lactococcus lactis nizo r5 genome by means of pcr and cloned into pmg36e plasmid. the recombinant plasmid was transformd into e. colijm 109 and identified by restriction endonucleases analyzing. the recombinant plasmid was introduced into lactococcus lactis nz9800

    本實驗提取乳酸乳球菌nizor5的基因組dna為模板,用pcr方法得到乳鏈菌肽前體基因( nisa ) ,克隆到乳酸乳球菌表達載體pmg36e ,構建了表達載體pmg36e nisa 。
  18. Though the expression level of bl21 ( de3 ) / pt221 - hyuh was lower than that of m15 / pqe60 - hyuh, the target protein of bl21 ( de3 ) / pt221 - hyuh was principally in soluble form while the objective protein of m15 / pqe60 - hyuh was principally in insoluble form. both of the products in the two strains showed biological activity, but the former is 2 times higher than the latter. the hyuc dna fragment was inserted into ppic3. 5k plasmid to construct the ppic3. 5k - hyuc recombinant plasmid which was then transduced into pichia pastoris gs115 cells after being linearized by bgl ii digestion

    結果表明, sds - page分析在50kd處有一較強的表達帶,融合有分子伴侶的重組菌株bl21 ( de3 ) pt221 - hyuh與非融合表達的重組菌株m15 pqe60 - hyuh相比,乙內酰脲水解酶的表達量低一些,但其表達蛋白主要以可溶性形式存在,而m15 pqe60 - hyuh中表達蛋白則主要以包含體形式存在,且前者的酶活性是後者的2倍多。
  19. Through in situ hybridization and colony pcr, a positive recombinant plasmid was isolated from the genomic library and sequenced. the inserted dna fragment was about 4. 3 kb

    將pcr擴增片段用地高辛標記探針,利用原位雜交和菌落pcr從基因文庫中獲得含有陽性信號的重組質粒。
  20. 3. the amplified dna fragment was then ligated into the hindlll and ecori sites of pmg36e. the ligation mixture was transformed into jm109 for the initial cloning. the recombinant plasmid pmg36e / nisa isolated from jm109 transformants were analyzed by restriction enzyme digestion

    將酶切並純化后的pcr擴增產物與大片段連接並轉化e . colijm109 ,在含紅黴素的lb平板上篩選到含有重組質粒的轉化子。
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