細粒載體 的英文怎麼說
中文拼音 [xìlìzǎitǐ]
細粒載體
英文
fine grained solid support- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 粒 : 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)
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 體 : 體構詞成分。
- 載體 : [化學] carrier; supporter; isotopic carrier
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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。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基因克隆到植物表達載體pbi121中,通過液氮冷凍法將重組質粒轉入農桿菌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體內產生有活性的高抗病毒的蛋白質。Sub - - clone of s, . / hbsag fusion gene : pbuescripts, . / hbsag and ppiczaa were digested separately by xhoi and xbai enzyme, and were linked under t4 dna ligase, ppiczaa s, / hbsag was constructed and transformed to e. coli
Hbsag質粒與ppiczaa載體分別經xhol和xbaln切,再在t4dna連接酶作用下進行連接,獲得工程菌表達型ppiczaas ; hbsag質粒,轉化大腸桿菌t0p10細胞,經xhol和xbal與sacll和xbal酶切電泳,證實s ; 。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 。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
本研究將已克隆的真菌細胞色素p450nor基因插入原核表達質粒載體prset和pet28的bamhi / hind位點,成功構建重組表達質粒prt - p450nor和pet - p450nor ,並轉化到e . colibl21 。The results showed that all six tfs displayed no autoluminescence in this two - hybrid system, and one of them, the atf3 displayed a strong interaction with restin. to verify the interaction of restin and atf3, a series of truncated fragments of atf3 were inserted into pact to be used in the further study
三、為了進一步驗證atf3與restin的相互作用,對atf3進行截斷並構建了一系列atf3的截短片段的雙雜交質粒(仍然構建於pact載體中) ,再次運用細胞雙雜交進行相互作用的探索。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。Since the plasmid is capable of independent replication in host cells of many dicotyledonous plants, it has been used as a cloning vector in gnetic engineering
在許多雙子葉植物中質粒在寄主細胞中是獨立的復制單元,所以可以在基因工程中用作克隆載體。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
本研究採用脂質體轉染方法,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體質粒psy681vp3lacz與fpv - 017共轉染雞胚成纖維細胞,經6輪蝕斑克隆、篩選、表達, pcr鑒定和dot - elisa檢測,證明該重組病毒已構建成功,並獲得了遺傳性狀穩定的鵝細小病毒vp3基因的重組禽痘病毒。According to above consideration, experiments was carried out as below : first, targeted gene - human serum albumin ( hsa ) gene was obtained via pcr technology. secondly, the hsa gene was liganded with a plasmidprla22 whose two arms carry dna sequences necessary for crossing with the human a - lactalbumin yac to form an integration vector prla - hsa, then the integration vector plasmid was co - transformated into the right yac - bearing yeast with another plasmid plrh33 which carrys a selective gene
因此,本試驗首先擴增出整合在酵母基因組里的人血清白蛋白( hsa )基因作為目的基因,並將人血清白蛋白基因插入到一個含有人-乳白蛋白yac同源序列的重組型質粒載體,以構建整合型載體,再與另一個帶篩選基因的質粒共轉化入含人-乳白蛋白yac的酵母細胞體內。Two strains of prrsv were isolated from the swine infected with prrsv in shangdong province and daqing area, in order to clarify the source and genetic background of porcine reproductive and respiratory syndrome virus ( prrsv ) from different parts of china, thus providing theoretic basis for the study of vaccine against it. the prrsv was cultured on mark - 145 cells for 5 ~ ~ 6 passages. when the cpe was obvious, the virus was harvested and purified
為了弄清我國不同地區prrsv的來源以及其遺傳學背景,為疫苗學研究提供理論根據,本研究在ch - 1a株完整的基因組獲得以後,從流行於我國山東( sd )和黑龍江大慶( dq )地區疑似prrs的豬體內分離到prrsv ,在mark - 145細胞上盲傳5 6代,細胞出現明顯病變以後,收獲病毒液,然後提純,提取全病毒rna ,經過反轉錄、 pcr擴增獲得結構基因orf2 7的目的基因片斷,然後與pmd - t載體連接,轉化,得到陽性質粒后進行測序,並將其與ch - 1a株進行了比較分析,同時對這兩個毒株的結構基因組的理化性質進行分析。Methods : the rearranged gene fragment coding tcr y v region of the jurkat cell line was obtained by rt - pcr technique the pcr product was cloned into the eukaryocytic expressive vector pcdnas to construct pcdna3 / tcr y. after confirmed by sequncing. pcdnas / tcr y plasmids were amplified in bacteria extracted by alkaline lysismethod
方法:本文採用rt ? ? pcr的方法擴增jurkatt淋巴瘤細胞特異性重排的tcr可變區基因片段,克隆到真表達載體pcdna _ 3中,經序列測定無誤后,堿裂解法大量提取質粒,制備dna疫苗。Settling ofbearer of fine coal particle slime
細粒煤泥的載體沉降Then using ecbp21 antibody and immunogold transmission electron microscopy method, we studied the subcellular localization of ecbp21. the results indicated that the gold particles were mainly localized in the cell wall in callus cells and rachis cells of angelica dahurica. these results indicated that ecbp21 mainly localized in cell wall, which provide a direct evidence of the extracellular existence of ecbp21. furthermore, using ecbp21 antibody and immunohistochemical method, we studied the organic specially distribution of ecbp21, the results indicated that ecbp21 distributed in all organize, but it distributed more in leave n flower rachis than in leafstalk and root
首先,構建了ecbp21表達載體,誘導了重組蛋白的表達,並通過膠回收法獲得了大量純化重組ecbp21蛋白,制備了高效價、高特異性抗體;隨后,利用ecbp21抗體,結合免疫膠體金電鏡定位技術進行了ecbp21亞細胞定位研究,結果顯示:在白芷愈傷組織細胞和花序軸細胞中金顆粒主要分佈在細胞壁區域,而在細胞內未發現或僅有少量金顆粒分佈,表明ecbp21蛋白主要定位於細胞壁區域,這為細胞外cambp ( ecbp21 )的胞外存在提供了直接證據:進一步,利用ecbp21抗體,通過免疫組織化學分析研究了ecbp21組織特異性分佈狀況,結果表明ecbp21在白芷各組織中均有分佈,但在葉、花、花序軸中分佈較多,而在葉柄、根中分佈較少。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板上用pcr反應篩選出陽性菌落,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質粒成功地克隆了目的基因片段。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。用成對單鏈片段進行延伸反應,然後用其他單鏈片段作為引物,進行pcr擴增,用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,利用藍白斑遺傳學篩選法篩選陽性克隆,提取其質粒,採用nco和xho雙酶切鑒定,獲得了254bp的片段;用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。Result 1, human antisense cd40 rna eukaryotic expression vector was constructed successfully. 2, in the presence of cd40 / pcdna3, cd40 expression was significantly decreased, cell proliferation and antibodies generation were significantly restrained, compared to that of the controls ( p < 0. 01 )
2 、與轉染pcdna3空載體組或未轉染質粒組相比較,轉染cd40 pcdna3的健康人及sle患者b細胞系cd40的表達均明顯減少,增殖能力明顯下降, ig的分泌受到明顯抑制。Furthermore, we discussed the influence of immune - sensibilization before induction to the activity of t - cell vaccine, compared the immune - sensibilization difference between hcv - adenovirus vectors and plasmid vectors
此外,我們還探討了誘導前免疫致敏對t細胞疫苗活性的影響,並比較了hcv腺病毒載體和質粒載體在此免疫致敏功能方面的差異。Objective, clone tissue - type plasminogen activator ( t - pa ) gene and construct a new kind of recombinant vector containing human tissue - type plasminogon activator ( t - pa ) cnda neither cytotoxiaty nor actovating prot - oncogenes
目的:克隆組織纖溶酶原激活物( t - pa )基因並構建一種無細胞毒性、不激活原癌基因的真核表達的pcdna3 . 1 ( + ) / t - pa質粒載體。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。分享友人