重組體克隆 的英文怎麼說

中文拼音 [zhònglōng]
重組體克隆 英文
recombinant clones
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  • 重組 : bpr
  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基因到植物表達載pbi121中,通過液氮冷凍法將質粒轉入農桿菌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內產生有活性的高抗病毒的蛋白質。
  2. Screening target ' gene of artemisinin antimalarials using drug - western from cdna expressing library : 12 b - deoxoartemisinyl - ( 4 ' - oxyacetic acid ) phenyl ether was linked to bsa by using of edc cross ! inker and the product acted as drug - probe

    pmd一18一t及pqe一30表達載雙酶切,提取tctp基因和pqe一30空載並使二者,然後轉化m15 ,挑取陽
  3. Finally 4 right clones was obtained from 864 transformants by pcr detection. sequencing analysis showed that the hsa gene have been introduced into the right position of the human a - lactalbumin yac. furthermore, works to optimize the conditions of introducing the recombinant yac into goat f ibroblast via cell fusion was explorded

    經pcr檢測,從864個轉化子中獲得了4個陽性,測序表明,人血清白蛋白基因已正確的導入到人-乳白蛋白基因yac的特定位點上,並獲得了可進行細胞融合的yac載
  4. 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。將質粒pgem - 3abc和表達載ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞3abc基因至原核表達載ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及序列分析,發現到ptriex - 4neo載上的片段於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,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。
  5. Porcine transmissible gastroenteristis is an importan contagious disease endangering the development of swine. in other to establish a rapid diagnosis method and provide effective immunogenic products, the nucleoprotein ( n ) gene of porcine transmissible gastroenteristis virus ( tgev ) was cloned. expressed and its expressed product was purified

    為建立對豬傳染性胃腸炎快速有效的診斷方法,並試圖在預防上提供有效的免疫制劑,本論文首次在我國對豬傳染性胃腸炎病毒核衣殼蛋白基因進行了、鑒定、表達及核蛋白的純化;並在細胞上對核衣殼蛋白抗的中和效力進行了測定。
  6. Marek " s disease virus ( mdv ) phosphoprotein 24 ( pp24 ) gene was amplified from md11 strain by polymerase chain reaction ( pcr ). then we cloned it into the downstream of gst gene according to the right open reading frame ( orf ) in pgex - 6p - l vector

    本研究將型mdvmd11株的pp24基因的完整orf入原核表達載pgex - 6p - 1中,質粒pgex - pp24轉化bl21宿主菌后,經iptg誘導表達。
  7. 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,應用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,篩選出陽性質粒,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。
  8. The recombinant expression plasmids prt - p450nor and pet - p450nor were constructed by inserting p450nor gene into the bamh i / hind iii site of the prokaryotic expression vector prset and pet28, then they were transformed into e. coli bl21

    本研究將已的真菌細胞色素p450nor基因插入原核表達質粒載prset和pet28的bamhi / hind位點,成功構建表達質粒prt - p450nor和pet - p450nor ,並轉化到e . colibl21 。
  9. The recombinant b. thuringiensis subsp. israelensis b - pmpx2 can produce a rhombus crystalline inclusion body during its sporulation sds - page analysis proved that cytlaa had overexpressed during the sporulation of the recombinant. it was found that b - pmpx2 strain remained stable toxicity, whatever during vegetative phase or sporulation phase, which was similar to the expression of mtxl gene in the strain of protease ( s ) - deficient b. sphaericus

    同時,將來源於蘇雲金芽孢桿菌以色列亞種( b . thuringiensissubsp . israelensis , b . t . i )的cytlaa基因和p20伴侶蛋白基因連接到質粒pmt9中,並轉化到蘇雲金芽孢桿菌無晶型中得到轉化子b - pmpx2 ,電鏡觀察發現轉化子b - pmpx2形成一菱形晶
  10. The deleted mutant pap gene was also cloned into yeast secreted expression ppic9k vector to form ppic9k ~ 3, then the vector was transferred into pachia pastoris gs115 strain. the specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50 - 60 u g per millilitre measured by uv - absorbed methods in the supernatant of the medium via high density fermentation. sds - page results showed that there was one protein band in the gel which molecular weight was about 34ku

    將缺失型pap基因于酵母分泌型表達載ppicgk構成,然後導入畢赤酵母( p8chianastoris )菌株gslls細胞中,在甲醇的誘導下,經過酵母高密度發酵進行pap的表達,經sds page分析,結果表明,在培養基上清液中含有一明顯的特異性蛋臼條帶,大小為34ku ,經western blotting分析,該蛋白與法國pap抗血清有特異性反應,外活性檢測表明該蛋白對tmv的侵染性具有高度的抑制性,說明該pap基因在畢赤酵母gs中也得到了正確表達。
  11. The purpose of this study was to clone the major structural protein vp3 gene of gpv hl isolate after pcr, and express by protokaryotic and eukaryotic expressing system, then develop molecuiar diagnostic reagent of goose piaque and construct recombillat fowlpox vina life vector vaccine

    利用pcr方法擴增和gpvh1分離株主要免疫原性蛋白基因vp3 ,並對其進行原核和真核表達,是建立小鵝瘟分子診斷方法、構建vp3基因禽痘病毒活載疫苗的基礎,具有極為要理論和實踐意義。
  12. Detection of antigen - binding affinity of mg7 recombinant phage antibody elisa was repeated to confirm the antigen - binding affinity of positive clones screened out in the former procedure ; these positive phages were examined by restriction analysis ( ecor i and hind iii ) ; competitive elisa was performed to test the inhibitory ratio of these positive clones to the binding affinity of mg7mab and its relevant antigen, the positive dones possessing apparent inhibitory effect were singled out for later use

    X陽性到駛知烘扳原kbbjg )濁對陽性進行限制隴臥賜析( uwi和hedlll )鑒定三用競爭elisatoljmg7噬菌對mg7單扶與其相應抗原結合忙的喇率,從中j ) ed出對mg7單抗與期眩抗原結合有抑余j效應的用於進一涉研究。
  13. 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

    到的hbmp基因通過適當的酶切插入到轉移載質粒pbac - pak8的多位點中,獲得轉移載質粒pbacpak - hbmp 。
  14. In this study, the recombinant fowl - poxvirus was transfected into expressing the vp3 gene of isolated gpv h1 strain into the cef cells with fpv - 017 by liposome, which have the lacz reporter gene, earlier / latter promoters lp2ep2 of fpv, promoters p7. 5 and p7. 1 of vaccinia virus, replication unnecessary region of fpv - 017. following 6 cycles screenings, clonings, purification of blue plaques, detection of pcr and dot - elisa, which verified the genetic stable vp3 - fowlpox virus recombinant constructed successfully. this study provided the theoretical and practical foundation for development of gpv recombinant fowl - poxvirus genetic engineering vaccine, as well as provided substance preparatory for prevention the high mortality gpv

    本研究採用脂質轉染方法,將含有完整gpvh1分離株vp3基因、報告基因lacz 、禽痘病毒早晚期啟動子lp2ep2 、痘苗病毒啟動子p7 . 5 、 p11和fpv - 017復制非必須區的轉移載質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑、篩選、表達, pcr鑒定和dot - elisa檢測,證明該病毒已構建成功,並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的禽痘病毒。
  15. Vp3 gene of hl isolate of goose parvovirus derived from recombinant piasmid pproex htb - vp3 was subcloned into ecorl site of psy538, and the reporter gene lacz with promoter pll was cloned into smai site of recombinant piasmid. both vp3 gene and lacz gene were cloned into noti site of psy681, recombinan fpv transfer vector containing vp3 gene of gpv was obtained. the result is basis of construction of recombinant fpv expressing vp3 gene of gpv and gpv genetic engineering vaccine

    本研究另從含有gpvh1分離株主要結構蛋白vp3基因的質粒pproexhtb - vp3中切取gpvh1株vp3基因片段,將其亞于psy538的ecori位點,然後將帶有痘苗病毒啟動子p11的lacz報告基因平端于上述子的smai位點,再用noti切下同時含有vp3基因和lacz報告基因的片段,再亞于psy681的noti位點,構建出含有vp3基因的禽痘病毒轉移載,為構建表達vp3基因的禽痘病毒從而制備gpv基因工程疫苗奠定了基礎。
  16. 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技術,將其結構蛋白vp2基因亞至原核表達載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總蛋白的14 。
  17. It has been demonstrated directly or indirectly - 7 - that ak auto ab is an important element in the immune network and plays a important role in maintaining physiological functions, clearing aged cells and metabolic products, regulating immune responses and protecting against infection. in some pathological states such as psoriasis and contact dermatitis, a certain serum level of the antibody could inhibit the progression of the diseases, and is beneficial to the recovery from the diseases. after a long time studies on the production and regulation mechanism of physiological and pathological auto antibodies, meanwhile, experiencing an intensive academic debating on whether naas a " horror autotoxicus " or a " gnothi seaution ( know yourself ) ", a common viewpoint has been achieved that naa is of clinical significance in the treatment of immunity diseases for it ' s function in the immune system stability, immunoglobulin y and polyclonal ak auto abs have been used in treating inflammatory dermatitis, and recombinant antibody is under investigating

    抗角蛋白自身抗( akautoab )是naa的成部分,以往實驗通過雜交瘤技術、免疫親和層析技術和噬菌庫技術分別獲得單akautoab 、健康人血清多akautoab和基因工程人akautoab ,並對akautoab免疫學特性及在生理和病理意義進行了廣泛的研究,直接或間接地發現akautoab是機正常免疫調節網路的成部分,在維護某些生理狀態的穩定、清理衰老細胞及代謝產物、調節免疫和抗感染等方面起到要作用;在某些病理情況下(如銀屑病、接觸性皮炎等) ,內akautoab的分和滴度會發生變化,而正常水平的akautoab則有利於限制病情的發展,促進損傷的修復。
  18. Total rna was extracted from the second stage larve of hypoderma sp, then single chain cdna was synthesized by reverse transcription using oligo ( dt ) 18 as a primer. the hypodermin c ( hc ) and hypodermin a ( ha ) gene specific primers were devised by dnastar software

    本試驗的目的旨在進行hypodeminc ( hc )和hypodermina ( ha )基因的、測序、構建表達載並誘導表達,獲得抗原,以解決天然抗原的不足並為診斷和免疫試劑的產業化奠定基礎。
  19. Hla - g1, which is a newly defined non - classical hla class i molecule, plays an important role in mediating immunotolerance and protecting embryo and even some kinds of tumors from nk cells attacking. the full - length coding sequences containing cdna of hla - g1 were cloned from placenta, monocytes and liver cancer tissue of chinese donors. sequence analysis reveals that it is a highly conserved human gene with only two amino acid mutation sites compared to foreign nationality. its truncated form was overexpressed in

    從中國人外周血單個核細胞胎盤織和肝癌織等樣品中了包含完整hla - g1讀框的cdna與國外同行獲得的該基因及其蛋白質序列比較分析表明,該基因雖然有著細微的種族特異性,但高度保守並獲得了它的截斷型蛋白,根據蛋白一級結構和同源比較方法,模建了它及其與特異性受kir2dl4形成復合的空間結構模擬,預測了它們之間相互作用的特徵。
  20. The library was rescued with phage m13k07 in order to display scfv on the surface of the phage and to form the recombinant phage antibody library. one of positive scfv clones, named pcsal, was selected with phage - elisa after panning and screening by bull sperm three times. scfv fragment, amplified from pcsa1, was ligated to pmd18 - t vector for sequencing analysis

    取陽性噬菌株pcsa1 , pcr擴增其scfv基因,篩選子進行序列測定,發現其序列符合小鼠抗基因的一般特徵,並且與幾株抗磷酸膽堿的抗鏈和輕鏈可變區序列的同源性達80以上;推測pcsa1scfv針對的抗原是磷酸膽堿類物質。
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