dna cloning vector 中文意思是什麼
dna cloning vector
解釋
dna克隆用載體-
To test the p7 promoter activity, a series of constructs were obtained by cloning the different dna fragments into the luciferase gene reporter vector pgl3 - b. when the constructs were transiently transfected into thp - 1 cells, luciferase activity assay showed that the core region of p7 promoter located at - - 165 bp
第一部分的工作首先通過對人acat - 1基因p7啟動子序列進行5 '和3 ' -端的缺失的詳細分析，結果顯示最大報告基因轉錄表達活性位於- 612 - 165bp區段。 -
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 。 -
In this method, high fidelity dna polymerase ( pyrobesf * dna polymerase ) was used to ensure efficient and accurate amplification. after cloning and sequencing of the pcr products, one concatemer contains seventeen copies of grb ~ ast7 was attained. the grb - ast ? concatemer was cloned into pet22b expression vector
先用t4dnapolymerase構建成模板，再通過高保真dna聚合酶（ pyrobesttmdnapolymerase ） pcr進行擴增，從中得到一個含有17個拷貝的grb - ast _ 7的串聯體。 -
Firstly, the hyaluronate synthase ( has ) gene ( hasa ) was cloned into the cloning vector puc19 by pcr using the total dna sample of s. equi as template
本文研究代謝工程理論，對本實驗室的一株ha生產菌（ streptococcusequi ）進行了ha合成與分解關鍵酶基因及功能的研究。 -
The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins
將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。 -
Streptomyces low copy number plasmid scp2 * is also employed for the cloning and recovery of large dna fragment from streptomyces. as scp2 * can accommodate large dna insertions and is efficiently transmissible among its permissive hosts such as s. lividansbut seemed to be unable to replicates in streptomyces sp. fr - 008, it might be a suitable vector for the cloning of the entire fr - 008 pks gene cluster through gene replacement followed by conjugation with 5
Scp2 *可以在變鉛青鏈黴菌等許可宿主內復制並在許可宿主間有效轉移，但似乎不能夠在鏈黴菌fr - 008中復制，因此可能適合於在鏈黴菌fr - 008中通過進行基因置換及隨后的鏈黴菌fr - 008和變鉛青鏈黴菌間的接合過程來克隆完整的fr - 008生物合成基因簇。 -
A bt - e. coli shuttle vector pht315 was deleted its replication region of bt, then constructed a novel vector named pht315 - 1 which composed a multiple cloning site, erythromycin and ampicillin - resistance marker and could only replicated in e. coli. used pht315 - 1, a 5273 bps dna fragment carrying a novel bt plasmid replicon was isolated and registered in genbank as ay278324. sequence analysis showed that there were at least three orf ( open reading frame ) in the cloned dna encoding 501, 333, 183aas. orfl had 98 % identities with replicating related protein ori43 of bt strain hd263. the others were no homology to any published bt replicating related protein. after continuous cultured for 70h at 30 c without antibiotic selecting press. the stability of plasmid carrying cloned replicon in bt acrystalliferous mutant strain hd73 cry was more than 98 %. and growth curve also showed that the novel replicon was stable and could replicate normally
進一步序列分析表明該復制區至少有3個較大的orf ，分別編碼501 ， 333 ， 183個氨基酸。其中orf1蛋白序列與hd263復制蛋白ori43的同源性為98 ，而另外兩個orf和genbank己公布的bt復制相關蛋白無同源性。 30連續培養72h ，復制區質粒在bt無晶體突變株hd73cry ~ -中穩定性達98以上， 30h生長曲線也表明該復制區能夠在bt中穩定復制和遺傳，對受體菌株無明顯不良影響。 -
First, a pair of pcr primers was designed to isolate fmdv - vp1 gene according to the published fmdv - vp1 sequence. after pcr of dna isolated from the tissues, the fmdv - vp1 gene was cloned into cloning vector. positive clones were analysed with restriction enzyme digestions and further identified with sequence analysis
首先，根據已知的fmdv基因序列，設計特異性引物，擴增出fmdv - vp1基因，將克隆到的vp1基因連接到測序載體上後用dna測序儀對該序列進行測序。 -
An outline of the procedure for introducing a piece of foreign dna into a cloning vector is shown in figure 1. 3.
圖13列出了引出一段外源DNA進入克隆載體的大概步驟。 -
An outline of the procedure for introducing a piece of foreign dna into a cloning vector is shown in figure 1. 3
圖1 3列出了引出一段外源dna進入克隆載體的大概步驟。 -
In genetic engneering, nonviral dna can be inserted into a phage, which is then used as a cloning vector
在基因工程中，沒有病毒的dna可以被插入到噬菌體中，用作克隆載體。 -
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。
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